Backup failure: insufficient space. Backup in icloud or itunes fails, what to do and why it is not created. Unable to back up your iPhone, iPad or restore from an iTunes backup Backup failed

In order to save important data on your iOS device, Apple has provided the ability make backups. In general, it is recommended to make a backup before updating to iOS 11/iOS 12, before jailbreak or with some regularity for personal purposes. But sometimes It is impossible to back up to iPhone X/8/7/6/5.

There are two backup options available for iPhone owners: using iTunes or via iCloud cloud storage. In order to make a “backup” in iTunes, you need to connect your device to your computer using a USB cable and select the appropriate function in the media combiner. A backup via iCloud is made directly from the iOS device itself, but for this the user needs to make the appropriate settings. A copy will be automatically created daily, provided that the smartphone is connected to a Wi-Fi network and is locked. Data recovery is possible both from a backup made in iTunes and iCloud.

The official iTunes program often does not work stably. Errors, freezing, and malfunctions may occur. Creating a backup copy and restoring data from a backup usually takes a lot of time. An alternative solution can be considered the Tenorshare iCareFone program.

For Mac OS X 10.9-10.14

Tenorshare iCareFone has quite a wide range of functionality, including the ability to make backups and restore from backups directly without iTunes. In other words, the owner of an iPhone can save data with the possibility of later restoring it only by using Tenorshare iCareFone. And here the Tenorshare iCareFone utility has a number of advantages.

Firstly, Tenorshare iCareFone is significantly faster than iTunes, as it does not require downloading additional libraries. The process of creating a backup and restoring takes very little time. Secondly, the utility supports automatic systematization of all backups in iTunes. Thirdly, the user can easily manage backups, deleting unnecessary ones to further free up hard drive space.

The capabilities of the Tenorshare iCareFone program include selecting the type of data that can be saved (messages with attachments, notes, correspondence in popular instant messengers Viber, WhatsApp, voice recordings, notes, contacts, photos, videos and other data). You can export them directly from the program to your computer.

As for backups, Tenorshare iCareFone saves the backup and organizes it along with other backups. If the user needs to restore from backups made in Tenorshare iCareFone, there is an option to view them first. This is a big advantage. After viewing, you can separately select the files needed for recovery, or perform a full recovery from a backup.

Users will appreciate the Tenorshare iCareFone program. This is an excellent alternative to iTunes and iCloud in terms of backup capabilities. In addition, Tenorshare iCareFone allows you to quickly manage various types of files (videos, photos, music), clear your smartphone’s memory and increase performance, fix system errors, etc. You can download Tenorshare iCareFone from the official website. A free trial version and a paid version are available.

Users are reporting that their iPhone8/X is unable to restore from the latest backup due to various reasons. In this article, we have listed the reasons and corresponding solutions when you were unable to restore your iTunes or iCloud backup.

Part 1: Fix iTunes couldn't restore iPhone

When you have problems with iPhone not restoring from iTunes backup, below you can find useful tips.

iTunes backup is corrupted or incompatible

When you are in this situation, deleting corrupted backup files is a good way to fix the iPhone cannot restore backup error.

1. Firstly, you should find backups of your iPhone8.

On PC with Windows 7,8 and 10:

To find a list of backups, select \Users\(username)\AppData\Roaming\Apple Computer\MobileSync\Backup\

You can also do the following:
Find the search string:

In Windows 7, click the Start button.
In Windows 8, click the magnifying glass icon in the upper right corner of the screen.
On Windows 10, go to the search bar next to the Start button.

Type %appdata% in the search bar and press Enter, then click these folders: Apple Computer > MobileSync > Backup.

On Mac:

Step 1: Click on search in the menu bar.
Step 2: Type or copy and paste the following text: ~/Library/Application Support/MobileSync/Backup/
Step 3: Press Enter.

To find a specific backup, follow these steps:

Open iTunes. From the menu bar, click iTunes and select Preferences.
Select "Devices".

Control-click the backup you want and choose Show in Finder.

2. Copy your iOS backups to another location, such as your desktop or external drive.

3. Open iTunes on your computer and select "Devices".

4. Select all backup files and click "Delete Backup".

5. Copy all previous backup files back to the Backup folder.

6. Try restoring iTunes again.

If this doesn't help, you may want to consider deleting all backups and creating a new backup if the new iPhone doesn't see the iTunes backup.

Error when restoring a backup

If the message says unknown error, you cannot restore iPhone 8 from iTunes backup, you can turn to free Tenorshare TunesCare. Instead of trying possible solutions every time, Tenorshare TunesCare offers the ultimate solution to fix various iTunes sync/backup/restore errors.

iPhone is disabled or not recognized by iTunes

Make sure the new version of iTunes is up to date.
Check the USB cable and connections.
Restart your computer and iPhone 8.
Put iPhone into recovery mode with free one being detected.

Backup password is incorrect

If you enabled encrypted backup and accidentally forgot the backup password, there is no way to restore iTunes backup to your iPhone 8 unless you remove the password using third-party software such as. Learn more about how to remove iPhone backup password.

Part 2: New iPhone 8/8 Plus cannot restore data from iCloud backup

In another situation, if you are using iCloud backup and cannot restore iPhone from iCloud iOS 11, things are different. Most iCloud backup errors are caused by:

Not enough space on iPhone 8

If the previous backup file is large enough, you may be prompted to indicate that there is not enough space to restore from your iCloud backup. In this case, it is suggested to clear some space on your iOS device. is a good tool for recovering limited storage space.

iCloud recovery takes too long to complete

The problem of iPhone not finishing restoring from iCloud backup is mainly caused by slow network connection as well as large file size. Make sure your device is connected to a reliable and stable Wi-Fi network, then wait patiently.

Or you can try iTunes backup alternative - . Supporting both iTunes and iCloud backups, UltData processes recover with incredible speed. You just need to sign in to your Apple ID account and select the file to back up.

Some items cannot be recovered or iCloud recovery is incomplete

When your backups contain purchases made from more than one Apple ID, you will be prompted to send a message requiring you to sign your Apple ID, otherwise the iPhone cannot be restored from the backup. Click "Skip this step" and sign in later.

Hope these suggestions work for you. Share it if this article helps in resolving your iPhone 8/8 Plus/X will not be restored from iTunes/iCloud backup.

Each of us is accustomed to using technologies such as a smartphone. It makes life easier on all fronts.

Using it, we can call anywhere and anyone, do whatever we want and more. However, every smartphone has problems that we sometimes cannot solve.

And what do we do in such a situation? We use our beloved Internet. In this article we will try to figure out why iCloud backup fails and what to do about it.

Let's dive into the details

What is backup anyway? This is a function that allows save certain data, making a copy of them. It doesn't matter what kind of data it is. It is very useful in cases where you need to save some necessary information.

This helps to limit yourself from losing the necessary data, which should not be lost under any circumstances. The same thing happens in iCloud, which saves some user information and allows you to use it in the future.

When copying, an error may occur that will put an end to everything. It will restrict copying access, which will lead to unwanted data loss. In this case, you need to ensure that such an error does not occur. Now we will provide you with several ways to help solve this problem.

The first reason why the save failed is low memory. This means that copying began and reached the point where the memory finally ran out. In this case, you need to release it and let the smartphone start copying again. This will allow not only to restore the action that was started before, but also not to free up memory for a new action in the future.

The second reason, due to which this problem occurs is a poor connection with enabling iCloud backup. In this case, you will need to take a number of actions so that this problem does not appear again. First you need to wait a certain time.

About ten minutes. Then you need to open a column such as “Settings” and select iCloud there. Scroll down the page and click on the “iCloud Backup” button. You need to make sure that this option is enabled.

If it was enabled, then you do not need to make any changes to it. Then, using the identifier, you need to go to the cloud and check there whether access to backup is available. In most cases, users do not even suspect that the problem is very easy to solve and begin to actively search for a solution on the Internet.

If this method does not help, then you need to contact Apple support and explain the whole situation to them. Experienced professionals will help you solve it in no time.

There is also a third problem that does not allow this action to be performed, and it is simply simple. It lies in the fact that... You just need to check availability of Wi-Fi. If you have a poor Wi-Fi connection, the backup may be interrupted at any time.

This does not only happen in this situation. In fact, there are a lot of them and they can all be interrupted due to unstable connection. Take a good look at this situation again from all sides and try to figure out what the problem is.

If it's really him, then try stabilize the connection. Please note that using the Internet from a cellular operator is impossible, because no matter how fast it is, it will still not be able to work stably and save backup data.

If you are convinced that everything is in order, then start copying again. We mentioned how to do this above. We hope this will help you solve the problem.

These are the simple ways that can solve your problem. Once and for all, and leave only a pleasant impression from using smartphones. It is extremely unpleasant when a situation like this happens and there is no way to solve it.

This concludes our article and in it we have examined all the options for solving this difficult situation. If none of these methods that we provided helped you, then there is only one solution left - write to Apple support. Perhaps a global error has occurred and this problem occurs not only for you, but also for other users.

The company's employees will be able to answer the question quickly and clearly, so write to them in case of failure. Check your Internet speed thoroughly again; perhaps the problem is not even with the smartphone or the company, but with your provider.

Who knows what could have happened and why the connection became so unstable. Not everyone can know in advance what will happen at one time or another. We hope that this article was of benefit to you, because you read it to the end and learned a few really useful ways solutions to this problem. See you soon and all the best to you!

The impetus for writing this article was the problems that I had when creating a backup copy in iCloud. But if I easily dealt with the lack of free space in the cloud by purchasing additional gigabytes, another problem forced me to think twice. I'll probably start with it. Then I will list other popular problems with iCloud backup and how to solve them.

Failed to complete the latest backup

This is exactly the error I got when copying to iCloud. Moreover, on the computer in iTunes, a backup copy also refused to be created.

Solution. Delete the old backup from iCloud. Settings->iCloud->Storage->Manage. Select the device and click the red Delete copy button.

The screenshot shows that my backup is 0 bytes. In fact, this screenshot was taken after the first deletion 2 minutes before. You just need to wait a while for iCloud to clear the remnants of the old backup. I don't know what was going on in the storage, but after a couple of hours I was able to make a backup copy.

This iPhone cannot be backed up because there is not enough free space in iCloud.

The easiest way to solve the problem is to purchase additional free space in iCloud. Settings->iCloud->Storage->Change storage plan. The following tariffs are currently in effect:

5 GB - free
20 GB - 39 rubles per month
200 GB - 149 rubles per month
500 GB - 379 rubles per month
1 TB - 749 rubles per month

In my experience, free 5 gigabytes are only enough for 1-2 devices, but without iCloud backup. If you turn on the media library and take photos, then 20 GB will not be enough. In general, nothing prevents you from increasing the tariff gradually. For example, with a whole zoo of gadgets, a 200 GB tariff is enough for me, where 40 gigabytes are occupied by photographs. 1 backup takes on average 2-4 gigabytes.

But where am I going with this? Everyone’s situation is different and often people want to stay within a certain framework, for example, a 20 GB tariff. In this case, you can start saving space in iCloud. What can be done?

Settings->iCloud->Storage->Manage. See which applications save their documents and data to iCloud. Delete unnecessary documents.
In the same place in the settings, look and be horrified by the size of the iCloud Media Library. Maybe it makes sense to delete unnecessary photos and videos from the device?

This iPad has not been backed up in 10 weeks. Backups are created while iPad is connected to your computer, locked, and connected to Wi-Fi

This message hints that you haven't made backups in a while. Don't ignore it if you care about the information on your device. If this message appears, I recommend that you try to create a backup copy manually: perhaps you have some problem with the automatic creation of a backup copy. This problem should be identified and corrected.

iPhone will no longer be backed up automatically on your computer when syncing with iTunes

Don't be alarmed by this message. It is only a warning after enabling automatic backup in iCloud. On your computer, you can create a backup manually through iTunes.

This iPad has not been backed up recently because the restore process is not complete. Do you want to finish downloading your remaining purchases and media files before backing them up, or want to delete them along with all program data?

This iPad is currently being restored. Then a backup copy will be created automatically

Both problems indicate that you have not yet completed the device recovery process. Wait for the recovery process to complete. If the problem does not go away after a long time and you are sure that the recovery is already complete, then try restarting the iDevice. And look carefully to see if all application icons are active (that is, not dimmed). If applications do not recover over time, then it may make sense to remove them and then install them again.

If you have any problems with backup and have not found a solution, ask your questions in the comments, clearly describing the problems. We will help as much as we can! :)

There are several common errors that may occur when backing up your iPhone or iPad to iCloud. The strangest of them is related to the fact that the copy creation process does not complete, while iOS does not give any recommendations on how to fix the problem. How to get rid of such an error is described in this instruction.

Method 1: Delete the previous backup

Step 1. Go to menu " Settings» → iCloud → « Storage».

Step 2. Select " Control", and then a backup copy of your device, which was created earlier.

Step 3. On the page that opens, click “ Delete copy" Note that the button appears after a short loading time.

Step 4: Confirm deletion.

Immediately after this, try to create a new backup in the " Settings» → iCloud → « Backup copy».

Method 2: Create a backup in iTunes

The error related to the inability to create a new backup in iCloud can often be solved by creating a copy through iTunes and then activating the backup in iCloud.

Step 1: Connect your iPhone or iPad to your computer and launch iTunes.

Step 2: In the iTunes window, select your device.

Step 3. On the " tab Review"check the box" This computer" and press " Apply».

Step 4: Click " Create a copy now" and wait for the backup process to complete.

Step 5: On your mobile device, go to the menu " Settings» → iCloud → « Backup copy" and activate the switch " iCloud backup».

After enabling the backup feature, the problem with the inability to create a backup copy should disappear.

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Hi all! You need to make backups - that's a fact. And, as we know, Apple offers us two excellent options for backing up information - using iCloud or iTunes. And if with iTunes everything is more or less clear - connected to the computer and “OK”, then with iCloud there may be problems. Which? The most varied.

For example, just recently my iPhone began to “delight” me with a notification with the following text: “iPhone - backup failure. There is not enough free space in iCloud storage to back up your iPhone data." You take your phone off the charger, and then there’s this error. You see he doesn't have enough space!

Let's see why this happens and what can be done about all this? Let's go!

General information or why iCloud copying fails?

Here I will not describe at length and in detail about the “cloud” service itself (especially since I have a separate one), but I will highlight some main points.

So, iCloud is, in addition to an account, also a remote storage location for information (photos, videos, program data, messages, contacts, notes, backups and much more) of your iOS devices.

But the size of this storage is not infinite - Apple allocates only 5 gigabytes for free for any user. And when you do not fit within these limits, the error “Backup failed - not enough free space” appears.

What can be done and how to fix the problem?

There are several options to get rid of the backup error.

Method number 1 – Pay

Everyone wants money and Apple is no exception. For a relatively small amount of money, you can simply change your iCloud plan and go from free (5 GB) to any other plan with more storage. So to speak, buy extra space in the “cloud”. How to do it?

Open “Settings – Your account – iCloud – Storage – Buy more space” and select the tariff that suits you.

After payment, iCloud storage increases, which means there is already enough space for your data - a copy begins to be created without any failures.

Method number 2 – Free, but relatively long

Don't want to pay anyone? I fully understand your desire - there is never too much money, and then Apple will write off the subscriber every month. We were completely stunned!

Well, you can do it for free. But then you will have to “keep within” 5 GB of cloud storage. To do this, go to “Settings – Your Account – iCloud – Storage – Management” and see what documents and data are stored there.

Do you see how something extra is taking up precious space? Feel free to turn it off.

It’s also worth paying attention to “iCloud Photo Library” (Settings – Photos and Camera). If this option is enabled, then your photos and videos are forced to be sent to the “cloud”, thereby “eating up” storage space.

But sometimes a situation like mine can happen - there is as much as 4.9 GB of free space (out of 5 GB free), and when creating an iCloud backup it still fails. Why is this happening? The thing is, the size of the next copy is much larger than 5 GB - the iPhone cannot create it because it will not fit into the allotted limit.

You can also view this information for yourself by opening the “Backups” tab in iCloud Storage. Moreover, here you can always correct the data that will make up the copy (in order to “fit within” the allotted 5 GB) and, perhaps, you will even succeed!

Method number 3 – Free and fast

However, you can get rid of all these annoying signs indicating backup failures in a simpler way.

It is enough to disable the creation of copies in iCloud and use the same iTunes for this, where the space for your data will be limited only by the size of the computer’s hard drive.

To do this, open “Settings – Your account – iCloud” and move the slider opposite the corresponding menu item.

That's it, there will be no more failures. Victory!

Now a backup will be created on your computer automatically when you connect and sync with iTunes. And it’s better not to put this matter off for a long time, but to go and do it right now - it certainly won’t hurt, believe my little experience :)

P.S. Want more free iCloud storage? Me too! Let's unite our efforts - put "like" and click on the social network buttons. I’ve already put my “+1”, it’s up to you! :)

P.S.S. After reading the article, do you have any questions or questions? Be sure to write in the comments - we’ll try to figure it out together!

Solution 2: Sign in to your iCloud account again to activate the service

If solution 1 doesn't work, you can re-register your iCloud account, which will help resolve the iCloud backup support issue.

Step 1. Go to Settings on your iPhone or iPad and then access iCloud.

Step 2. Click on the Apple ID banner for your iCloud account.

Step 3. Click "Sign Out" to sign out of your iCloud account.

Step 4. Sign in to your iCloud account again using your Apple ID and password.

Solution 3: Reset Network Settings for iCloud Backup

iCloud backup is closely related to the Wi-Fi environment. So, you can try to check your network settings and reset it if something is wrong.

Step 1. Check your Wi-Fi network
Turn on your router, make sure Wi-Fi is on, and then make sure your iPhone is within range. Click on the Wi-Fi name to connect to the network.

Step 2. Reset Network Settings
Go to Settings>General>Reset>tap "Reset Network Settings" and then you can restart your iPhone to fix "There was a problem turning on iCloud Backup".

Solution 4: Delete unnecessary iCloud backup

The problem with enabling iCloud backup may be due to limited iCloud storage, and you can delete the unnecessary backup to enable iCloud again.

Step 1. Access iCloud Storage on iPhone
Go to Settings>iCloud>Storage>Manage Storage, you can select junk files under BACKUPS section.

Step 2. Delete iCloud backup files
Click on your device's name in the Backups section to delete them completely.

If you want to retrieve some data from a backup that you delete, just get iCloud Restore first.

Solution 5: Update your operating system to enable iCloud

The problem may be because the system on your device is outdated. So you need to update your device and your device can enable iCloud backup again.

Step 1. Test the new operating system
Click Settings>General>Software Update, you can update the operating system to the latest version.

Step 2, Updating the operating system
If the latest version of iOS is available, feel free to update your device. And you need to enter your password if required.

Solution 6: Sign in to another iCloud account

Another reason that causes problems with enabling iCloud backup is that there is something wrong with your iCloud account. You can try changing another iCloud account and backing up your data.

Solution 7: Hard reset iPhone/iPad/iPod to enable iCloud

Apart from restarting your iPhone, you can also hard reset your iPhone to fix the “There was a problem turning on iCloud Backup” issue. Just follow the instructions to hard reset your iPhone 7.

Step 1. Find the "Power and Volume Down" buttons on the device.

Step 2. Press and hold the key combination
Press and hold the "Power + Volume Down" buttons and your device will be reset. After the reset, iCloud will be enabled.

Part 2: Alternative Way to Backup iPhone/iPad/iPod

When using the above 7 solutions, you may encounter most of the issues related to enabling iCloud backup. If the above solution does not work or you want to avoid data loss, you can also choose an alternative method to backup iPhone/iPad/iPod. We advise you to use . It can help you backup all the data from your iPad or iPhone and export the data selectively.

Key Functions

Backup iPhone, iPad and other devices with one click
Support backup and restore of all types of iOS devices
Recovering data from backup files
iOS data backup and restore function only reads data, no risk of data loss
Recover data from two or more iOS backups

How to Backup iCloud Files Using iOS Data Backup & Restore

Step aerobics 1 . Connect iPhone to computer

Launch this iOS tool to backup and restore data on your PC/Mac and click "Backup & Restore Data". Connect your iPhone/iPad/iPod touch to your computer via a USB cable. By default, the iOS Data Backup and Restore tool will soon detect your iOS device.

Step aerobics 2 . Select file types to backup

Once your device is successfully connected, iOS Data Backup & Restore will detect the file types on your device and you can select the file types to backup. Then click "Backup" after selecting.

Step aerobics 3 . Selectively export or restore backup files

When the backup is completed, you can check all the contents of the backup file in the program categories. To avoid data loss while troubleshooting the issue of enabling iCloud backup, you need to check your iCloud backup files for recovery.

Conclusion

The 7 solutions to enable iCloud backup provided above are the best methods we suggest. We hope this article will help you solve your problem when you receive the message “An error occurred while enabling iCloud Backup.”

After fixing the iCloud enable issue, you can easily backup and restore your data to iCloud. Take iMessages as an example and learn

Method 1: Delete the previous backup

Step 1. Go to menu " Settings» → iCloud → « Storage».

Step 2. Select " Control", and then a backup copy of your device, which was created earlier.

Step 3. On the page that opens, click “ Delete copy" Note that the button appears after a short loading time.

Step 4: Confirm deletion.

Immediately after this, try to create a new backup in the " Settings» → iCloud → « Backup copy».

Method 2: Create a backup in iTunes

The error related to the inability to create a new backup in iCloud can often be solved by creating a copy through iTunes and then activating the backup in iCloud.

Step 1: Connect your iPhone or iPad to your computer and launch iTunes.

Step 2: In the iTunes window, select your device.

Step 3. On the " tab Review"check the box" This computer" and press " Apply».

Step 4: Click " Create a copy now" and wait for the backup process to complete.

Step 5: On your mobile device, go to the menu " Settings» → iCloud → « Backup copy" and activate the switch " iCloud backup».

After enabling the backup feature, the problem with the inability to create a backup copy should disappear.

When creating a backup copy of data on an iPhone, iPad or restoring from a backup copy in iTunes, warnings may appear informing you that it is impossible to restore from it. The reasons indicated may be of different content:

“...because an error occurred”;
“...because an unknown error occurred -1”;
“...because the backup could not be saved on this computer”;
“...because the backup session failed”;
"...because the session could not be started";
“...since the request was rejected by iPhone”;
"...because there is not enough free space."

Before performing further procedures, we recommend that you save the previously created backup copy of your data just in case.

Where are iPhone or iPad backups stored?

Mac:~/Libraries/Application Support/MobileSync/Backup/
Here the tilde symbol (~) corresponds to the user folder and if there is no Libraries folder in it, click the Go menu while holding down the Option key.
Windows XP:\Documents and Settings\(username)\Application Data\Apple Computer\MobileSync\Backup\
Or you can try to find the Application Data folder yourself by opening Start and selecting Run. In the input field that appears, enter the line %appdata% and click “ok”. This way you will have access to the Application Data folder, from which you can go further to \Application Data\Apple Computer\MobileSync\Backup\
Windows Vista, Windows 7 and Windows 8:
\Users/(username)\AppData\Roaming\Apple Computer\MobileSync\Backup\
Alternatively, open the Start menu, type %appdata% in the search bar, and press Enter. Then follow the rest of the path AppData\Roaming\Apple Computer\MobileSync\Backup\

Failed to backup iPhone, iPad data to iTunes

Possible options for resolving problems associated with the inability to create a backup copy of iOS device data in iTunes:

First, reboot: Restart your computer and iPhone or iPad, and then try backing up your device again.
Update yourself. Update your software: Download the latest version of iTunes, install any necessary updates for your Mac, update iOS.
Check whether there is free space on your hard drive. Insufficient free space may prevent you from creating a backup copy.
Check your security settings. You may need to update your security software or disable it for a while. After that, try again to back up your iPhone or iPad data in iTunes.
Disconnect your iPhone, iPad from your computer and reset the Lockdown folder. by reset is located. Then reconnect your mobile device to your computer and repeat the backup procedure.
Apple support.

Failed to restore from iPhone, iPad backup in iTunes

Possible options for resolving problems associated with the inability to restore iPhone and iPad data from a backup copy in iTunes:

Restart your computer and iPhone or iPad, and then try backing up your device again.
Update your software: Download the latest version of iTunes, install any necessary updates for your Mac, update iOS.
Check the free space on your iPhone or iPad. Lack of free space on your mobile device may make it impossible to restore from a backup. In this case, go to Settings on your iPhone or iPad and go to General > Reset > Erase Content and Settings. Then try restoring your data from the backup.
Check your security settings. It may be necessary to update your security software or disable it temporarily. After that, try restoring from your iPhone or iPad backup in iTunes again.
Disconnect your iPhone, iPad from your computer and reset the Lockdown folder. Detailed reset instructions are available. Then reconnect your mobile device to your computer and repeat the restore procedure from the backup.
Try restoring from a backup on another computer. First, copy the backup copy to the backup folder on the new computer. Where data backups are stored is indicated above. You may also need to create a Backup or MobileSync folder.
If all else fails, contact Apple Support.

If you haven’t found the answer to your question or something didn’t work out for you, and there is no suitable solution in the comments below, ask a question through ours. It's fast, simple, convenient and doesn't require registration. You will find answers to your and other questions in the section.

A couple of days ago I tried to do it in iCloud, but, unfortunately, without success: in the window located at “Settings” - iCloud - “Backup”, I was greeted with a message that it was impossible to create a backup of the device. Why did it happen? The answer to this question was left behind the scenes, but not the solution from idownloadblog.

If you also encounter a similar error, first of all, delete the old backup copy of your gadget from the cloud storage. You can do this on your iPhone or iPad in the “Settings” - - “Storage” section. Click Manage, select the backup, and delete it.

It happens that for unknown reasons it is not possible to delete a copy from the device. In this case, the computer comes to the rescue: on OS X, open “Settings” - iCloud (this is the iCloud control panel). Click “Manage” again and in the list of backups that opens, delete the unnecessary one.

Did not help? Then try logging out of your iPhone or iPad and then logging in again. Resetting your network settings in the General section of your phone settings may also help.

By the way, it is quite possible that the copy is not created due to the poor quality of the Internet connection. Connect to another Wi-Fi network and start the copying process again.

KiruHaHa View profile Send PM KiruHaHa Find all posts by KiruHaHa. I start synchronization and the SyncServer window immediately pops up - an error has been detected. We apologize for the inconvenience. MobileDeviceHelper - an error has been detected. Then it writes that tuna was unable to load data class information from the synchronization services, then a window pops up: MobileBackup - an error has been detected.

Giggles View profile Send PM Giggles Find all posts by Giggles. The iPhone and computer must be set to the same time zones and time. Had the same problem - everything worked.

Apparently it is connected with the transition to winter time. Thanks, now everything is finally working. I would never have thought that such a small thing could cause such problems! Today, due to this synchronization error, all contacts and music were completely lost. Theme options Printable version. View options Linear view Combined view Tree view.

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Problems when creating a backup copy in iCloud - solutions

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The backup is saved to the location you choose in the same format as backups created using iTunes. For me, the message “iTunes could not create a backup of the iPad...” appears not in iTunes, but on the iPad. What should you do if an error like this occurs: “iTunes was unable to back up your iPhone.” And what to do about it, deleting the backup did not help.

If all the methods described above did not help you avoid some mistakes when creating a backup copy, then you can do this using this Apple service.

True, my message was “iTunes was unable to create a backup copy of the iPad...” and the reason seemed to be different, but it doesn’t matter. There is a problem with creating a backup copy and it needs to be solved somehow.

At the very least, if some process in the operating system is blocking the backup files, then a reboot will probably solve the problem. Also, beginners will find the information given in the article useful: iPad backup, which explains why it is needed at all and how to completely disable it, etc. The backup takes a long time, and after some time the connection with the iPad may disappear for a moment.

Therefore, first of all, I advise you to save a copy on another drive, and the second point is to create a fresh account with administrator rights, which you can use to transfer it. Thanks for the instructions, there really is a problem, but the question is, how much of a backup is needed? Well, it doesn’t create it, so it doesn’t create it... Thanks for the answer, there is some awareness of the purchased product (iPad) and the importance of the backup copy. Thank you!

Created (in Windows 7) folders with the specified names and in the same sequence (missing ones). 1. In Settings -> The device tab in the window (name and time is assumed) is empty. No one ever... 2. I have windows 7. Users\[username]\AppData, etc. AppData being hidden now will be visible? This is just the beginning, what will happen next if I get to the backup copy. And another question, if I may be off topic, but this is because of the top five tomorrow.

1. The second screenshot in this article makes it clear that the name and time of the last copy have been recorded. I decided to create a new backup copy..... And I couldn’t, it says it failed. I deleted the old copy, but a new one is still not created. Computer 7 and HP laptop. On a laptop, backups are created without problems and quickly, but on a computer, the process simply “freezes” at the very beginning.

I tried to find backup copies using all the indicated methods, but they are nowhere to be found. I have Win XP. I don’t have many programs and everything else yet, but I would like everything to work fine.

Fixing the error “iTunes could not backup iPhone”

A multi-day struggle with “failed to create a backup copy” ended in victory, thanks to the reinstallation of Tuna and the removal of EVERYTHING that was manufactured by Appel, as recommended by sputnik1818.

The solution to changing the clocks helped. There was an error: iTunes could not restore the iPhone because the backup session failed. 33 GB, but it was not restored, it said that it was not possible to save the backup copy, but what if I found it through drive C. I clicked to create a new copy, the backup now weighed 27 GB, why?

Unable to Backup iPhone, iPad or Restore from iTunes Backup

COMPETENT in your questions. maybe I'll get lucky too. explain to the teapot - I got a window - iCloud copy, backups have not been created for 5 weeks. etc. Today we will tell you, dear readers, how to make a backup copy of your iPhone/iPad, what is included in the backup copy, where it is better to save a copy of your iPhone, and how to delete it. To protect personal data since the introduction of the iPhone in 2007, Apple has provided a simple but extremely important Backup tool.

A copy of the data is created on the iPhone/iPad and automatically uploaded to the iCloud cloud service. In order to be able to create backup copies of data stored on an iOS device directly from the device, you need to enable “Copy to iCloud” in the device settings.

How to create a backup directly from iPhone?

On the Apple support website (support.apple.com) in the “Selecting an iOS backup location” section, developers give advice on how to speed up backup directly from your iOS device. This will allow you to get the backup file on your hard drive and have full access to it even when your PC is not connected to the Internet. Note: We recommend saving backups to an external high-capacity hard drive or USB drive.

Alternatively, you can clear the main system drive so that iTunes can finish the backup. Perhaps many people face this problem, and an article about it will be useful. The problem is that this iTunes error can be caused by anything.

Can't Back Up Your iPhone, iPad, or iPod touch Using iTunes

Let's try to collect them all in this material. If this turns out to be useless, do a full reset (Settings-General-Reset-Delete content and settings). After this, you can take your iPhone to the service.

iTunes can't back up iPhone due to insufficient free space on computer

Surely, many iPhone/iPad/iPod owners have at least once encountered problems backing up their devices. Step-by-step instructions for overcoming annoying errors when backing up iPhone/iPad/iPod in iTunes. Another frequently encountered problem when backing up a device is that the computer simply cannot recognize the device.

In “Settings”, select the required section and click the corresponding “Storage and copies” button. At this time, iTunes freezes a little. Further nuance: if you do not find this path in Windows Explorer or in Finder Mac OS, then the easiest way to solve the problem is with file managers. In these programs, you must enable the display of hidden files. If the iPad freezes during this process and does not turn off (I had this happen too), then press the power button and Home button again and hold it.

It says that the backup session failed. Guys, help...))) Everyone doesn’t make a backup copy, but for me everything is worse... So, in order. Now you know where your iPhone backup is saved and how to find it faster than usual. Fortunately or unfortunately, an iPhone backup does not include all the information stored on the device or downloaded to it by the owner. If there is no backup in the device tab or it is not deleted, you can delete it manually from the operating system.

I encountered this problem a long time ago, but I never got around to figuring out how to cure this disease. The most interesting thing is that I have three devices for iOS: two iPads and an iPhone. There were no problems with iPads, but the iPhone refuses to create a backup copy from the moment of purchase. In general, today I figured it all out and am sharing it with you.

I am aware that Apple devices are not a mass product these days. This is primarily due to the exchange rate of the ruble and their prices. However, judging by the search queries, the topic of life hacks for treating minor software problems is very relevant. For example, “”, written in the summer of 2014, is still at the peak of popularity in search queries:

People go, read and say thank you. I am very pleased that my posts help solve problems.

Let's go back to the backup. As we know, backup in iOS is available in two ways: through the iTunes program and copying to iCloud cloud storage. I always use the latter. This is very convenient, because... no need to connect the device to the computer, press any buttons... all you need to do is put your phone on charge with wi-fi connected and go to bed. A copy will be created in the morning. It is also very convenient to restore your device when purchasing a new device. Just connect to your account and restore from the latest copy.

So, two ways to restore copying if it is not carried out automatically.

1. You need to go to Settings-iCloud, go down the menu and log out of your account. When you exit, the system will ask whether to leave the content, we answer - yes:

If a copy is still not created, then you can try the second method. You need to delete the previously created copy of this device. It is best to do this not from the device, but from the computer. I have a Mac, so the screenshots will be from Mac OS. On Windows, you need to go to the iCloud application and find a similar function.

2. On the Mac, go to Settings - iCloud

At the bottom of the window, click the “Manage” button:

In storage management, select “Backups” on the left and the copy of the device that needs to be deleted. As I already said, copies have never been created on my iPhone, for this reason there is simply no previous copy. If you previously created copies and suddenly stopped, then the last copy will be here. It needs to be removed:

After deleting, go to the device menu Settings-iCloud-Backups and click “Create a backup copy”

That's all! I hope you find this useful.

The gadgets of the American corporation Apple are rightfully considered the most reliable in the world. Despite this, even they can sometimes fail. So that the joy of buying a smartphone is not overshadowed by the sudden loss of a huge amount of information, you should first take care of its additional preservation. Among the existing methods, it is most convenient and reliable to use special cloud applications. Particularly convenient is that cloud copies will ensure complete recovery of saved data at any time convenient for you, no matter what model of iPhone or other Mac device you use.

Backup failure - description of the essence of the problem for Apple mobile devices

First of all, let's find out:

What is backup?
What does backup failure mean on iPhone?
why does the crash occur?

If you have lost, damaged, accidentally broken yours, or want to have access to information through other Mac devices, then additionally saving data from your iOS device to external media (backup) will save a lot of time, nerves and money. For this purpose, Apple has created an Internet service (cloud storage) for data - iCloud (we read - ICloud). The iTunes branded media player is perfect for storing and playing movies or music.

If the process of saving information does not proceed correctly or for some reason is not carried out at all, the system notifies about this by displaying “− backup failure.” It is logical that after this a trivial question arises: how to remove the iCloud backup failure? Let's take a closer look.

Causes and solutions to the error

If an iCloud backup failure still overtakes you, do not panic and immediately run to the Apple service center. It is quite possible to deal with this problem on your own, without resorting to the help of a “guru”. Depending on the source of the error, we select a suitable or convenient way to eliminate it:

Problems with Apple servers

The problem with servers is two-way, since the connection between “smartphone” and “server” is assumed. How can we find out which of them prevents us from sleeping peacefully? It turns out that it is quite possible to check the status of the servers yourself in a short time, without nervously calling friends, frantically searching for news on the Internet and other dubious options. To check, use the System Status tool. Information is provided in real time. As you understand, we can’t fix Apple’s problem in any way, so we just have to wait until the servers are repaired and try saving again.

If everything is fine with the servers (and most likely it is), you need to look for the problem directly in the smartphone. First of all, difficulties may arise with identifying the device directly on the server. These include an error connecting to the Apple ID server.

Server problems often occur after updating an iPhone. First, you should check the identifier for functionality. This is easy to do: go to the company’s official website and enter your account information. What to do if it doesn't open? − You can create a new one. If, fortunately, everything is fine with your account, then the reason for the failure is related to other problems.

Network problems

The Internet is the link between the smartphone and the clouds. It is logical that the absence of a network makes it impossible to transmit information, resulting in a failure.

The simplest way to make sure everything is ok with the network:

Connect other devices to the network;
Connect the iPhone itself to another network.

If other devices connected to the Internet work, or the smartphone works when connected to another network, then most likely the culprit of the misfortune has been found.

The speed of operation should also be taken into account. Excessive fluctuations may cause failure.

System problems

The most common problem, the following methods are used to solve it:

The simplest way to treat many hanging diseases is to restart all processes that were running in the background. It is quite suitable for eliminating the specified error and helps in approximately a third of cases.

To reboot, you must simultaneously press and hold the buttons for 5-7 seconds:

Home and side button (for iPhone 6, iPhone 7 and later models, and iPhone X);
Home and top button (for iPhone SE and earlier models).

After this, the company logo should appear on the screen. Then repeat the procedure for creating a backup copy in the chain: “Settings” - “iCloud” - “Backup”.

Deleting old backup versions

If the previous method did not give results, you should try deleting old backups. You can do this:

Through a smartphone along the chain: “Settings” - “iCloud” - “Storage and copies” - “Manage”. Clicking the last button deletes the old backup
Via a computer using the iCloud utility for Windows OS X, using the “Storage Management” section.

After completing the procedure, you need to disconnect the smartphone from the computer, then reset the network settings using the chain: “Settings” - “General” - “Reset” and try again to create a cloud backup.

By the way, too many backups can also cause a failure.

iOS software update

A fairly common cause of errors. To fix it, you need to check for software updates. The check is carried out along the chain: “Settings” - “Basic” - “Software update”. If the system offers updates, install new versions.

Buying additional space

If the failure is due to the fact that there is not enough free space in iCloud, the problem can be solved by purchasing additional gigabytes. The thing is that Apple provides free data storage only up to 5 GB. If the volume of your backups exceeds the free limit, you can simply purchase the missing gigabytes. To do this, you need to perform the following sequence of actions: go to “Settings” and then go to “Account”. After that, select “iCloud” and “Storage”. In the “Buy another seat” option, select the appropriate tariff and pay. It should be remembered that this fee is a subscription fee, not a one-time fee, and if the payment is delayed, some functions may not be available.

Freeing up space

If the amount of free space has been exhausted, and you don’t want to pay for additional gigabytes (for various reasons), you can solve the problem by removing excess, unnecessary, irrelevant, outdated, and junk information from the storage.

If there is nothing special to delete or it’s a pity, try optimizing the space. In this case, enabling several functions will help that force photos and videos to be sent to the storage, thereby significantly reducing its space. You can use the function as follows: follow the “Settings” - “Photos” chain, enable the “iCloud Photo Library” functions , “Optimizing storage on iPhone” and “Uploading to My Photo Stream”. Result: the “heaviness” is relieved, but not lost, and the phone’s memory is freed up for further comfortable work.

Disabling the option

If you're tired of constantly clearing media garbage into your storage, simply go to settings and turn off this option on your iPhone. This is not about disabling automatic copying of information “to the cloud”, but about preventing the smartphone from dragging everything there. For example, bad photos you take that are completely unnecessary automatically fly away and litter the cloud space, making it impossible to save truly valuable information. What to do in this situation? − Everything is the same as in the previous paragraph, only for the purpose of disconnecting.

Setting up folder synchronization

Folder synchronization helps iOS and iCloud agree with each other, and also provides access to other Mac devices. The easiest way to do this automatically is using the iCloud Drive utility. It is installed and launched one-time, creating a folder of the same name directly in the user’s folder. To synchronize, just move the files to the iCloud Drive folder and they will automatically go to the storage.

Contact Apple Support

If none of the proposed methods help resolve the problem, you will have to contact the Support Service specialists who will provide qualified assistance.

If you find an error, please highlight a piece of text and click Ctrl+Enter.

Data backup and recovery technologies have become more efficient over the past few years, but most administrators use them only as a last resort. Only if all other methods have failed do we try to restore the data from the backup. But to do this, you need to have confidence that the necessary data will be available at the decisive moment. However, Exchange administrators make several common mistakes that prevent backup and restore operations from being successful.

Incorrect choice of archiving method

The two main methods for backing up Exchange data are online and offline. In online mode, a Microsoft API (such as the Extensible Storage Engine - ESE, custom APIs, or the Microsoft Volume Shadow Copy Service - VSS) enables copying of selected Exchange data while Exchange services are running and the target database is mounted and active. The APIs provided by Exchange archive and optionally truncate transaction logs.

In offline mode, the Exchange database and log files are copied until the database is mounted. Some solution providers claim that Exchange data is copied without using the Microsoft API or dismounting the databases. The article "XADM: Hot Split Snapshot Backups of Exchange" (http://support.microsoft.com/?kbid=311898) explains that Microsoft classifies such backups as offline backups.

For typical production purposes, hot copies are preferred because they provide a complete copy of the Exchange databases without interrupting user access. However, in some cases, offline backup is useful. For example, it is recommended that you take a full offline backup of your Exchange database and logs before you install Windows or an Exchange service pack, or before you move the database to another server. Creating offline copies is more time-consuming than online archiving, but many administrators choose to supplement regular working copies with periodic offline backups to improve security.

Saving unverified backups

A failure in the backup process may go unnoticed, but users will likely raise alarm if the administrator is unable to recover email data. I know of one company where the administrator accidentally corrupted the mailbox database. When attempting to restore it, the administrator discovered that more than four months of backups were corrupted because the installed version of the third-party backup agent was incompatible with Exchange. The agent attempted to back up the files but was unable to because the Exchange Information Store (IS) files were open. Even a quick glance at the backup program's reports or the application's event log would reveal problems in copying Exchange data. Unfortunately, no one controlled the backup process. To avoid such a mishap, you should regularly check your backup program logs. You need to make sure that:

the program copies the necessary data; check the correctness of the copy type, time and content;
The backup process is completed, the requested data has been copied; look for possible errors;
the copied data is suitable for recovery; if a tape is used, it must be read in another tape drive.

Make sure that the data can be recovered on the server and that Exchange can retrieve the information.

If one of the three checks fails, the cause of the failure must be found and corrected. For example, during a hot copy, Exchange calculates a checksum for each page and compares it to the checksum of the page on disk. If the checksums do not match, error 1018 is issued and the copying process stops. If errors are detected during the scan, the administrator will have a chance to correct the problems before stopping the copying procedure.

Even good backups may become unusable over time due to changes in the environment, backup software, Windows or Exchange configuration. The most reliable guarantee of success is regular checks, and the fastest and easiest way to ensure that your backups are working is to check the event log, applications and reports generated by the backup program. The event log should not contain any errors generated by Exchange during the backup period. The backup program report contains information about missing files and other errors.

Incorrect transaction log processing

The ability to recover an Exchange database is determined by the state of the transaction logs. If there is a valid set of log files for the database, then it is possible to recover the database from the point of failure. Conversely, if logs are lost or corrupted, the likelihood of full recovery is reduced. During the recovery process, Exchange attempts to replay log files sequentially, starting with the first log needed by the database (also called the low anchor log) and ending with the last available log (high anchor log). If there is no log file between the bottom and top anchors, log playback stops. The restore procedure cannot resume until the missing log file is restored.

Online backups automatically include log files as part of the backup set. During normal operation, Exchange continues to create new log files as transactions occur. These log files remain on disk until a full or hot copy is performed, at which point the Exchange IS process truncates or deletes the files. You cannot delete log files yourself. In some cases, you may need to copy the log files to a separate directory for safekeeping. The Microsoft article "Offline Backup and Restoration Procedures for Exchange" (http://support.microsoft.com/?kbid=296788) recommends saving copies of transaction logs to a separate location before restoring data from an offline backup.

When restoring with NTBackup, logs are not replayed unless the Last restore set checkbox is selected (or a similar checkbox in another backup program). The database being restored cannot be mounted unless this option is selected or the Eseutil /r command is used to manually start log processing.

If there are no transaction logs or at least one log file is corrupted, you should use Microsoft's free Exchange Server Disaster Recovery Analyzer (ExDRA). This tool analyzes the dismounted database, reports existing and missing log files, and possible options to resolve any problems found. ExDRA is a valuable tool when the recovery process fails unexpectedly, but the administrator still needs to understand the intricacies of the disaster recovery process and consult with Microsoft Customer Service and Support (CSS) or other experts.

Lack of time to copy

The backup process takes time. Each server configuration has a throughput metric that reflects the amount of data that can be copied or restored in a given period of time. A common mistake is to underestimate the time required for recovery. Taking too long to recover sometimes results in service level agreement (SLA) violations and often leads to user dissatisfaction.

Microsoft recommends measuring the time it takes to back up your data and allowing twice as much time for recovery. Why does it take twice as long to restore than to copy? Let's say we need to get a 60 GB copy of a database using a backup system with a write speed of 12 GB/hour. Five hours is an acceptable time for a backup. However, when preparing to restore data, remember that simply reading the data will take five hours. The recovery process also requires the following steps:

Find the appropriate backup media (if using removable media such as tape) or find the appropriate disk volume (if using VSS or SAN-based backups).
Transfer the backup data to the server from which you are restoring.
Create a recovery server or Recovery Storage Group (RSG), if necessary.
Read the data from the backup media and fix any errors or problems.
Replay transaction logs.
Move data from the recovery server or RSG to production mailboxes.
Successfully mount the database.
Fix any related problems.

Meeting the requirements of this list is a serious task; If problems occur at any point in the process, subsequent restore operations will fail. The more experienced the administrator, the smoother the process goes. He more accurately estimates recovery time and has the skills to troubleshoot common problems in a specific environment.

Forgotten little things

Discussions about Exchange backup issues often revolve around copying and restoring data; this leaves out many other objects and data elements that also need to be copied and restored. For example, if there is a catastrophic hardware failure, the hardware must be replaced and Windows and Exchange installed on the new server before Exchange database and transaction log backups can be used. By backing up your Exchange server state, it is easy to restore your server and Exchange data and greatly speed up the return to normal operation without wasting time searching for CDs, product serial numbers, etc. If your Exchange environment contains antivirus programs, spam filters, X.509 certificate authorities (CAs), fax connectors, or other supporting services, you must make copies and restore their configuration, along with important data (such as private keys and filter lists) to restore these services to their original working state.

System state backup using NTBackup collects all system data on the local computer, including the registry, Active Directory (AD) Directory Information Tree (DIT) files on the domain controller (DC), Windows Certificate Services data, DHCP and DNS server databases and other required data. Most third-party backup utilities also have this feature, but you can get by without these tools; With NTBackup, you can schedule a copy of the system state to a file on disk, and then inject that file into each Exchange backup. This method guarantees a timely updated copy of the system state. Don't forget to periodically update your Automated System Recovery (ASR) disk. It can often fix damaged Windows installations without completely reinstalling the operating system.

Neglect of practice

It is best to master the data recovery process before problems occur. You can perform recovery even if the enterprise has only one database and a single server. To do this, you need to get a copy of Microsoft Virtual PC 2004 or VMware Workstation, build a test server and practice data recovery. When working with Exchange Server 2003, you need to learn about RSGs and how to use them. You need to learn how to restore data from the original server to another server using a backup program. The installation CDs and product serial numbers must be in a safe location (not in a text file on the server that you want to restore). It is useful to regularly train, restoring elements that will need to be returned to working order in the event of a real accident; Depending on your environment, these elements can be individual mailboxes, individual messages, databases, storage groups (SGs), or entire servers. The time spent training will pay off if a failure occurs.

We spend time, save money

Many companies spend a lot of money on disaster recovery and resiliency solutions, only to find out too late that simply purchasing cutting-edge hardware and software is not enough. Using the free NTBackup utility and an inexpensive tape or disk backup system, you can build a complete disaster recovery solution. To do this, you need to become familiar with backup and recovery, avoid the common mistakes discussed in this article, practice backing up and restoring data in your environment, and constantly monitor the processes. And then, in the event of an accident, you can successfully use your skills.

Paul Robichaud- Chief engineer of 3sharp, has MCSE and Exchange MVP certificates. Author of several books, including The Exchange Server Cookbook (O'Reilly and Associates). Maintains the Web site http://www.exchangefaq.org. He can be contacted at

You've just had a long day and the last thing you need is for something as important as an iCloud backup to stop working. Unfortunately, this is an area where iOS 11 does a really good job of addressing its issues.

Of the many backup-related errors, you might get the message "Some files were unavailable during the last backup" is probably the worst, especially since you have no idea what exactly was wrong to begin with.

This usually happens for a number of reasons, ranging from poor network connections, backup management failures, and conflicting files. And that means working on a number of fixes that should hopefully resolve this issue.

So, without wasting any more time, let's get down to business.

Note. You must manually create a backup after each patch. The easiest way to do this is to find and access iCloud using Siri Spotlight Search, tap iCloud Backup on the next screen, and then tap Back Up Now. Read also: Safari Open PDF in iBooks missing from iOS 11: here's how to find it

Check connection

iOS 11 backups require a Wi-Fi connection, and a strong one at that - ideally you should have a full Wi-Fi meter. There is a known issue where iOS software updates won't download simply because the Wi-Fi connection counter is half full, so don't expect backups to be protected from anything like this. So consider moving closer to your Wi-Fi router and establishing a good connection.

While doing this, also consider disabling and reconnecting Wi-Fi. Often your connection may just freeze for no reason, and doing this will do wonders in fixing the situation. Just swipe up from the bottom of the screen and double-tap the Wi-Fi icon to make it happen.

You can resolve connection problems by resetting your network settings. Please note that you will need to manually re-add Wi-Fi networks, as well as reconfigure any other changed network settings after the reset. Find and open Reset Network Settings using Siri Spotlight Search, then tap Reset Network Settings to perform a full network reset.

Try starting a backup. Was it completed successfully? If not, move on.

Reboot your device

iOS 11 isn't completely immune to common technical glitches, and there's nothing like a hard restart to clear things up.

To restart your iPhone or iPad, press and hold the power button until the "Slide to Power Off" prompt appears. After your device turns off, press and hold the Power button again to turn it on again.

The iPhone X uses a slightly different shutdown procedure, which requires you to quickly press and release the volume up and down buttons. Once you do this, immediately press the Power button to bring up the "slide to power off" prompt.

If restarting the device did not allow the backup process to complete normally, continue.

Enable/Disable iCloud Backup

Since restarting the iOS device did not solve the problem, it may simply be a problem with iCloud Backup being faulty. The fix involves turning iCloud Backup on and off, after which the backup should run fine.

Step 1.

Step 2: Scroll down and tap iCloud Backup.

Step 3: Click the switch next to iCloud Backup to turn it off. In the pop-up window, click "OK" to confirm your actions.

Step 4. Wait ten seconds, and then tap the switch next to iCloud Backup to turn it back on. Click OK again on the confirmation pop-up window.

Step 5: Click "Backup Now" to perform a new backup.

Hopefully you should now see that the entire backup completed successfully. If you are still receiving the error message “Some files were not available during the last backup,” let's move on to the next fix.

Also read: How to fix missing folder issue on my iPhone or iPad in iOS 11 Files app

Sign out and come back to iCloud

The latest fix focused on iCloud Backup glitches and how turning the option on and off might resolve the issue. Since that didn't work, let's take it one step further and log out completely and go back to iCloud. Hopefully this will fix any remaining glitches and other anomalies associated with iCloud Backup.

If signing out of your iPhone or iPad deletes a certain amount of data, such as contacts associated with your account, you don't need to worry because all the deleted items are synced when you sign in again.

Step 1. On the Settings screen, tap your profile name and then tap Sign Out.

Step 2. Insert your Apple ID password when prompted to turn off Find My iPhone/iPad.

Step 3: Click "Sign Out" in both pop-ups. Wait a while for locally cached account data to be removed from your iPad.

Step 4. Return to iCloud using the Sign in to your iPhone/iPad option in the Settings screen.

Step 5: Click "Merge" in the prompts that appear to complete your iCloud sign-in.

After logging in, try running the update. If you still can't complete it successfully, it's time to get a little serious.

Delete previous backups

There are numerous complaints popping up on forums that previous backup files actually conflict with iOS when trying to create new backups, hence the infamous "Some files were not available during the last backup" error. If this is the case, then deleting the old backup should fix the situation.

Warning. Deleting an existing backup creates the risk of losing all data in the event of a sudden hardware failure. If you have access to iTunes, try creating a backup on your PC or Mac first before attempting to fix this.

Step 1. On the Settings screen, tap your name and then tap iCloud.

Step 2. In the Storage section, click Manage Storage.

Step 3. On the iCloud Storage screen, tap Backups.

Step 4. Under Backups, tap your iOS device.

Step 5. Scroll down and then click "Delete Backup". Click "Uninstall" in the "Turn Off and Uninstall" pop-up window. iOS should now delete any existing backup file from iCloud.

Step 6. Deleting a backup also automatically disables iCloud Backup. Go to the iCloud Backup screen and then tap the switch next to iCloud Backup to turn it back on.

Now tap the Back up now option to start and complete a new backup. This time, your backup has a huge chance of completing successfully.