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Flash a non-startable android. Problems with the software. Preparing for self-flashing

There are several reasons why a device running Andorid OS may stop turning on: incorrect flashing, an unsuccessful attempt to acquire ROOT rights, and any actions aimed at changing OS system data. But in most cases all this can be solved by simply flashing it, so I’ll tell you how to flash Android if it doesn’t turn on.

Solution

The problem can be solved if the bootloader is not touched. You can make sure that it is operational by pressing the “Power” button: the display should at least somehow respond. It could be a lying robot, an Android, or just an exclamation mark; all this will show that the problem is in the system, and that means - in 90% of cases - there is nothing wrong.

Note: There were times when the display did not respond at all to being turned on. Then you should connect the device to the PC and try to press the “Power” or “Power” + “Vol–” button: if the computer sees a new device connected, then there is also a chance to flash a dead Android.

Restoring using the manufacturer's program

One of the simple options is to restore the functionality of the gadget through software from the manufacturer. Not everyone has this functionality, but the LG campaign provided this option. To do this you need:

How to reflash Android: Video

If custom Recovery CWM is installed

I will also show how you can flash a brick Android if you have access to . Let me remind you: to get into it, you need to hold down “Power” + “Volume -”.

If this mode starts, then you should:

Through a custom application for Windows for firmware

Also, if Android does not turn on after flashing the firmware, you can reflash it using one of the unofficial flashers for PCs. Each company has its own program and may have its own steps, but they are all very similar.

  • For LG use KDZ Updater.
  • For Samsung – Odin.
  • For HTC – Android SDK Platform Tools.

Execution steps

  1. Install the required firmware on your PC.
  2. Download the firmware for the desired model.
  3. Launch the program.
  4. Connect the gadget to the PC with a cord and press “Power” + “Vol –”, a new device will appear in the window.
  5. Through the utility, select the file from Android and click “Start”.
  6. Wait until the end of the procedure.

How to install custom firmware on Android: Video

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    Sergey 01/09/2016 04:09

    Hello!
    DNS MW7851 with a slot for an sd card, but when entering recovery there is no item in the menu install zip from sd card….. I select apply update from internal sdcard, I get to the internal memory menu. What should I do? The tablet starts up and the DNS sign hangs like a stake. Already with the help of recovery I cleared everything and rebooted it a thousand times.
    Thank you in advance

    Hello. Can you run the firmware mode? That is, you need to start the firmware mode (Download), connect the device to the computer and flash it using a program, for example, ODIN. The firmware must be installed using the official service firmware, without root. You tried to root your device and got hemorrhoids, these consequences need to be taken into account before moving on to any risky actions. I hope in the future you have taken this into account and will not experiment again. Regarding firmware, you need to look for them on the w3bsit3-dns.com forum. There are also instructions, drivers and programs for flashing and user reviews. In general, look for the required firmware, switch the device to firmware mode and sew. If you can’t do it yourself, then take it for repair. You simply have no other options.

    Team V-ANDROIDE 01/13/2016 20:34

    Hello. Upload the firmware to the internal memory of the device (if possible). If not, then only flash the firmware using a computer. In this case, you will need to download the official service firmware to your PC, drivers for your device (install on the same PC) and a flashing program. Firmware can be single-file or multi-file. It is best to install a multi-file one, but if there are none, then you can also use a single-file one (in principle, they are no different, only in a multi-file one it is possible to select the firmware of individual components, such as a modem, and so on). As a rule, devices are sewn with the ODIN program. To do this, you need to enter the “Download” mode (firmware mode) on the device being flashed and connect the device to the PC in this mode. The ODIN program should detect your phone as COM1 or COM2... Now you put the firmware into the program (the path to the firmware should be as simple as possible). However, remember that the ODIN program must be launched with administrator rights. More detailed instructions, drivers and firmware are available on the 4PDA forum. Search specifically for your device model. There will be all the necessary information, files, instructions, and so on.

    Egor 01/18/2016 18:54

    Hello! I have a prestigio brand phone. When I turn it on, a black screen appears and the phone immediately turns off. I have sent it in for repair several times already. The phone will work for 2 weeks at most and then the same thing. Tell me what to do?

    Team V-ANDROIDE 02/09/2016 12:09

    Hello. Buy a new phone from some other brand, for example, Samsung or LG. Such problems practically never happen with these brands. In your case, most likely it's a firmware issue. I would advise you to return to the service center where your phone was repaired and report that 2 weeks have passed and the phone is broken again, what kind of repair is this. Or try to reflash the device yourself. I won’t tell you where to find the firmware, just enter your phone model in a search engine and ask a request, for example, “Download firmware for the Prestigio **** smartphone” (instead of asterisks, indicate the model). That's it, read on to see what you find.

    Team V-ANDROIDE 02/09/2016 12:12

    Hello. It looks like the firmware has crashed or the bootloader has been damaged. This can be solved by flashing the device. Charge your phone to 100%. Find the official service firmware, download drivers and the firmware program, as well as the firmware itself.

    Team V-ANDROIDE 02/09/2016 12:52

    Here are short instructions on how to flash your phone:
    1. Download the firmware, firmware program and driver for the phone.
    2. Install LGUnitedMobileDriver (driver)
    3. Install msxml.msi
    4. Charge the phone until it is fully charged (or almost fully charged)
    5. Connect the phone and wait until the drivers are installed (if you connected it for the first time)
    6. Launch the flasher KDZ_FW_UPD.exe (firmware program)
    7. In the Type field, select 3GQCT (3G Qualcomm CDMA Technologies)
    8. Specify the path to the firmware file in .kdz format by clicking on the button to the right of the KDZ file field
    9. Click the Start software update button
    10. The firmware process has begun! Don't disconnect your phone!!!

    Team V-ANDROIDE 03/11/2016 10:26

    Hello. Flashing the firmware using a computer will help you. In this case, you will need to download the official service firmware to your PC, drivers for your device (install on the same PC) and a flashing program. Firmware can be single-file or multi-file. It is best to install a multi-file one, but if there are none, then you can also use a single-file one (in principle, they are no different, only in a multi-file one it is possible to select the firmware of individual components, such as a modem, and so on). As a rule, devices are sewn with the ODIN program. To do this, you need to enter the “Download” mode (firmware mode) on the device being flashed and connect the device to the PC in this mode. The ODIN program should detect your phone as COM1 or COM2... Now you put the firmware into the program (the path to the firmware should be as simple as possible). However, remember that the ODIN program must be launched with administrator rights. More detailed instructions, drivers and firmware are available on the 4PDA forum. Search specifically for your device model. There will be all the necessary information, files, instructions, and so on.

    Jokha87 03/31/2016 05:48

    Hello, expert saviors! Please, help! There is a phone LG L Fino D295. A few months ago the firmware crashed. I asked again. Worked great. BUT after two months it crashed again and I reflashed it again. And today, a perfectly working phone suddenly turned off and won’t turn on again. No response to the on button. Even to connect to a charger or to a computer. The battery works (tested on the same phone). I cleaned the contacts. I installed a working battery, but it doesn't work. An acquaintance (who runs his own small service center for repairing such devices) said that it was necessary to flash it. But how to flash it if even the computer doesn’t see it. That is, the firmware mode does not start on the phone. While holding the volume up button, I connect to the computer via a USB cable. Zero reaction. In Windows Device Manager there was a new device without drivers. I had the following data USB\VID_05C6&PID_9008. I googled it and downloaded the driver. (Called ALKATEL). But still no reaction. Please help me what to do!
    P.s: When connecting to another computer, in the task manager in the “Other devices” section there is a new device called “QHSUSB_BULK”. Has ID USB\VID_05C6&PID_9008

    Team V-ANDROIDE 04/13/2016 08:49

    Hello. You need to install drivers specifically for your phone on your computer. What you downloaded may not be the drivers for your phone. As a rule, such drivers have the designation “USBdriversLG” or something like that in their names. Try removing everything related to your phone (drivers, programs, connections, etc.) from your computer. And then connect the phone and try to find the necessary drivers. If you have a friend who does repairs, why can't you turn to him? It’s difficult to say and decide something remotely. You need to look at the device itself, try different options. It is possible that your phone is beyond repair. According to the symptoms you described, he is “Dead” and nothing can be done. You need to disassemble it, check the tracks and circuits, see if a button is coming off somewhere, or maybe the motherboard is “dead” or something else (maybe the CPU). So you can guess for a very long time. It is best to contact a service center.

    Team V-ANDROIDE 04/13/2016 08:52

    Kulibin 05/14/2016 19:27

    Hello! Such a problem, viruses appeared on the tablet, they were installed as system ones, after receiving root rights, I deleted them, accidentally deleted something else, the MB launcher or something else, the tablet froze, turned it off, turned it on and continued loading forever. Onda V819 tablet. There is no official firmware anywhere, even on the official website it has disappeared. What to do?

    Team V-ANDROIDE 05.25.2016 12:52

    Hello. How did you diagnose that your phone has a broken preloader? In general, most likely you will have to reflash the phone. If you don’t know how to “sew” yourself, then take it to a repair shop. I have no other advice for you.

    Hello. In general, devices from Smsung are flashed using Samsung Kies. No drivers are needed for this. But, Kies will only let through the official firmware. I will add on my own behalf that Samsung provides quite strong support and you should understand that the original official firmware is much more stable and reliable than third-party firmware from left-wing developers, especially, you should not install Cyanogen firmware. Believe my experience, native official firmware for Samsung works most stably, I personally checked this more than once. Well, I can’t help you with finding drivers, sorry. look for it yourself.

    Team V-ANDROIDE 06/01/2016 20:53

    Hello. If you cannot find the required firmware, then take it for repair, because in your case, as far as I understand from your description of the problem, there is only one thing left to do - reflash it. But, since you cannot find the firmware, then take it for repair. Sorry, but there are no other options. I can’t help you find the firmware, but I don’t have such software.

    Team V-ANDROIDE 06/01/2016 20:56

    Since you cannot find the required software (firmware), contact the service center for help. I don’t see any other ways to solve your problem other than firmware. Therefore, you simply have no other options. I can’t help you find the right firmware, since I need other data (except for the name of the gadget), and also, not all firmwares work properly. All this needs to be checked, and for this you need your tablet so that I can personally work with it. I cannot help you with your problem remotely. Therefore, the conclusion is to take it for repair.

    Boris 06/17/2016 11:49

    Hello. I have this problem, I have umi zero, after replacing the SIM card I turn on the phone and then please enter the privacy protection password to unlock, I can’t log in, the phone did Recovery, it’s still locked. I wanted to flash it through the computer. The computer doesn't see my phone. Help in any way possible.

    Sergey 07/11/2016 05:53

    My prestigio tablet started to freeze when the tablet was loading, I decided to reset it to factory through recovery and froze on the fact that it started to reset, I rebooted it and when it turned on, an android appeared with the boot above it and with a circle made of a triangle in the stomach, and so it spins endlessly, if you press When you turn down the volume it will say Formatting /data... and it freezes. What to do? (does not connect to PC)

    Anastasia 07/12/2016 04:19

    Hello, I have a Lenovo A319, it turned off and won’t turn on, it connects to the computer, but there is no response from the phone. I know that the problem is in the firmware, but I don’t know what exactly to do. When you press “Power” + “Vol –” there is also no reaction.

    Team V-ANDROIDE 07/13/2016 20:04

    Team V-ANDROIDE 07/13/2016 20:20

    Hello. Maybe a password is needed for the SIM card? That is, some kind of PIN code? Or is it the phone that is blocked? I don't know the password, but resetting should have helped. If the requirement to enter a password remains, then most likely it is the SIM card password. Try to take out the SIM card and turn on the phone, will it require a password? If so, I don’t even know what to advise you. If you can’t flash it via PC, then bring it in for repair. Read this article -. Perhaps you will find the answer there.

    Oleg 07/23/2016 10:59

    Hello, when I tried to redistribute memory on a Chinese tablet, something went wrong and as a result, when turned on, the colorfly company logo appears and then a white screen, but after a while the tablet itself locks, when you press the unlock button and the screen it unlocks but the screen is black , but you can see that it is on and when you click on the screen (I have a screenshot icon at the bottom) you can take a screenshot of the screen (I can tell by the sound that a photo has been taken), I tried to reset the settings and lost the root rights, what should I do?

    Hello. This means that the firmware (or firmware loader) has crashed. In any case, you need to reflash your tablet. If you cannot reflash the tablet yourself at home, then take it for repair. There are no other solutions to this problem.

    Team V-ANDROIDE 07/28/2016 10:43

    Hello. This means that the firmware (or firmware loader) has crashed. In any case, you need to reflash your smartphone. If you cannot reflash your smartphone at home, then take it for repair. There are no other solutions to this problem.

    Damir 07/29/2016 06:26

    hello) such a problem on the lg d325 the firmware has crashed, it is impossible to call the BIOS and the phone does not start, only the Samsung icon is on and will not load further, and the battery has stopped charging, tell me what to do

    Sasha 07/31/2016 08:42

    I have a fly evo tech 4 phone, after frequent use of the charger the battery swelled, I noticed this, after it immediately began to discharge, another 2 weeks passed probably like this and then it turned off and did not charge, then I took out the battery and ordered a new one, it lasted for a month , and the phone lay untouched. After I inserted a new battery and put it on charge, it turns on until the charging icon and goes out and continues this until I turn it off, but the phone does not charge, I tried leaving it overnight. I charged it with a frog, but it didn’t turn on. I turned on the charger and pressed the power button, then the brand logo appeared and switched off again, when connected to the computer it either saw or didn’t, in an interval of about 2 seconds. Is it possible to do something myself? Or just for repairs?

    Philip 08/04/2016 06:40

    Good afternoon. I encountered this problem: when I tried to install a custom recovery menu, the phone turned off completely, there was no way to enter the recovery or download menu. Before this, there was a similar problem, but I was able to enter the download mod and restored the phone with the official firmware. Model Samsung Galaxy s3 I9300I. If you can help I will be grateful.

    Alexander 08/04/2016 21:47

    Hello. Tell me, where can I find a summary table of EMMC compatibility? I have been repairing phones relatively recently. I have practical and theoretical skills. Only the database is not enough. A Google search did not give any meaningful results. You can’t ask for information on a teaspoon per hour on authoritative forums. The impression is created , that the people who sit there were fixing phones long before they appeared. Can you suggest a forum with a good information base and so that the almighty “GURUS” don’t kick you? I’ll be very grateful!)))

    Alexander 08/04/2016 21:55

    Philip, I can’t tell you (I just don’t remember), but somehow I accidentally downloaded the “SuperFlash” program. It’s in Chinese, but there is an option to change the language to English. It lifts Samsung, LG, HTC, Xiaomi, Zopo and some other bricks very well. then the model. It works online. It finds the drivers itself (and for any mode.) The main thing is that the computer somehow picks up the body. Even usb bulk 9008.

    Hello. Did you install the drivers? In order for the computer to be able to properly detect the connected device, drivers must be installed for that very connected device. Without them, the computer will not be able to properly identify the phone (tablet).

    Team V-ANDROIDE 08/10/2016 21:30

    Hello. If your device won't charge, it could mean several problems. First, you need to check the battery. The battery controller may have burned out or the battery itself has expired. In this case, the device will not charge and, accordingly, will not turn on. Secondly, you need to check the connector into which you connect the charger. Perhaps the connector cable is frayed or the connector itself is loose and charging simply does not occur due to lack of contact. You need to conduct a visual inspection, try to move the charger connector in the phone connector. You may also need to disassemble the phone and visually inspect the cables. Thirdly, the problem may be in the tablet itself. Although, this is unlikely, since even if the firmware is flashed, the phone should be charging when turned off. It’s also worth checking the charger itself (try charging another device with it), and try charging your phone with a different charger.

    Team V-ANDROIDE 08/10/2016 21:30

    Hello. Here is a great article that explains everything -. Most likely, the bootloader or the firmware itself has crashed. It is treated by stitching. If you yourself are afraid or doubt your capabilities, then it is better to immediately bring it in for repair.

    Team V-ANDROIDE 08/10/2016 21:30

    Hello. Can you connect your tablet to your PC and see if the screenshots are normal or not? That is, we made a screen (as you described), connected the tablet to the PC and look, if the screen is normal (you can see the screen and all the icons and everything is as it should be), then most likely the cable from the screen is damaged. The second option is that the firmware itself may be buggy. Did you do a factory reset or just tried it? If you haven't done it, then do it. If you did it but it didn’t help, you’ll have to reflash it – (). If you can’t flash it yourself, then take it to repair.

    Abdulla 08/15/2016 10:41

    Hello, LG G3s D722 after installing root AutoRec the phone does not turn on the display, but when I connect it to the laptop it sees it and the disk volume is 60 MB. I want to restore via LG Mobile Support Tool, it says that the battery charge is low, but the battery is 100% charged. through LG Flash Tool 2014 the firmware reaches 4% and says that the phone is disconnected!? I do not know what to do? please help(((Thank you so much for your help in advance))

    Oksana 08/19/2016 09:32

    Hello!! Tell me how to flash an Alcatel One Touch 4030D (s’POP) phone. ? It turns on and stops at the alcatel sign when loading and that’s it.... And the computer doesn’t find the phone, I can’t install the driver in order to flash it... I reset the settings via Recovery. and it’s useless.. Tell me what to do?

    Maxim 08/21/2016 07:44

    Hello! Asus ZenFone 5 A500KL after normal use began to disable applications and display an android.process.acore error. After that, I did a full factory reset, but I started experiencing a “cyclic boot”. I went into “Recovery mod”, but when I reset to factory settings or when clearing the cache, it tells me that it cannot find the files, and if I just look at the internal memory folders, they are not there at all! The computer also cannot see the internal memory of the phone. What to do? in S.C. carry?

    Maria 08/22/2016 14:15

    Good afternoon, I have a lg E455. For a couple of days the google gaps app stopped warning, I rebooted it and everything was fine until I rebooted it and it didn’t turn on anymore. I tried to do a hard reset and it showed me a dead android. I tried to reflash it, but every time I downloaded the firmware to the phone, the computer stopped seeing it (the phone) and gave an error. I think that maybe it’s not a matter of firmware at all, but what do you think?

    Hello. I think that in your case, it’s better to get it repaired straight away. The point is that you can try to flash it. But I won’t give you the exact instructions; you have to look for it on the Internet. Yes, and it will be difficult for you to figure it out. Therefore, it is better to immediately take it for repair.

    Team V-ANDROIDE 08/25/2016 11:15

    Hello. The problem may be that the phone needs to be switched to flashing mode. In addition, you need to install drivers for the tablet you want to flash on your computer. How to switch to firmware mode - you need to read the instructions on the Internet (or read the instructions (manual) for the tablet). As a rule, press and hold the Power + Volume up buttons simultaneously until the device reboots. Sometimes you also need to add a Home button (but this is different for different devices). This scheme does not work the same for all tablets. That is, you try to do this, if it doesn’t work, then you need to look for Instructions on the Internet. I can’t help you remotely with this issue, since I just need to pick up a tablet and try different options. You also download drivers on the Internet.

    Team V-ANDROIDE 08/25/2016 11:15

    Hello. Sorry, but I won't give you any advice. On forums, this is how you gather the necessary information bit by bit. Communicate with people, create topics and discuss issues that interest you. There are many different forums. But, most often, I personally use w3bsit3-dns.com.

    Ivan 08/25/2016 12:00

    Good afternoon, how can I flash a Samsung galazy note 2 if it freezes on the phone model inscription and doesn’t go any further, and also when charging, the battery freezes while loading and that’s it! But the main problem is that the power button does not work for me, is there any way to flash it without it?

    Kirill 08/28/2016 16:51

    Good afternoon, I have a Lenovo P780, when I tried to install new firmware, the phone stopped starting. When connected to a computer, the indicator on the phone lights up (as when charging) and immediately goes off. There is not a single hint in the device manager about connecting the phone.

    Sergey 09/06/2016 10:33

    Hello. I was flashing LGE730 on CM9, everything seemed to be fine, but after installing the firmware I turn on the phone and the firmware is constantly downloading. Now I can’t go into recovery. The phone constantly hangs at loading the OS, if you turn it off, it immediately turns on and everything is new on loading. What can I do? I've already tried everything.

    Team V-ANDROIDE 09/08/2016 11:17

    Hello. Do a factory reset - . And you should no longer create root rights, as this greatly affects the stability of work. Please note that you are opening access to system files not only for yourself, but also for applications that can change system configurations, causing various failures, conflicts between software, and so on. All this has an inactive effect on the stability of the system. It may lead to the firmware crashing and the phone failing. The result is expensive repairs.

    Team V-ANDROIDE 09/08/2016 11:18

    Hello. I won’t be able to tell and show you everything remotely. Here you need to clearly demonstrate in order to teach. Therefore, either try to search for video tutorials yourself (maybe articles specifically for your phone), communicate on forums, and so on. But, I do not recommend that you try to flash it yourself, as there is a fairly high risk of completely damaging the phone. I recommend that you contact those who have experience in flashing phones and who can flash your phone. If you don’t know anyone like that, then take it to a repair shop. This will be easier, faster and more profitable, since independent repair attempts usually lead to even more expensive repairs.

    Hello. The firmware has crashed. If you know how to flash it yourself, then flash it. You need to flash it using a computer and appropriate software. Only install the official service firmware. If you don’t know how to flash it yourself or it’s not possible, then take it to the service center.

    Team V-ANDROIDE 09/08/2016 11:19

    Hello. The firmware has crashed. You did the right thing in trying to flash it. But, please clarify, how exactly did you try to download the firmware? You only need to flash it via PC. You can, of course, install custom firmware (flash it through recovery), but I highly do not recommend doing this. It is best to install the official firmware. If you know how to flash it yourself, then flash it. You need to flash it using a computer and appropriate software. Only install the official service firmware. If you don’t know how to flash it yourself or it’s not possible, then take it to the service center.

    Team V-ANDROIDE 09/08/2016 11:19

    Hello. No. You need to activate the flashing mode. This is done by pressing and holding the Power + Volume Up (+) button. If the button does not work, then you need to disassemble and clean the contacts or change the button. Maybe the cable has simply come loose, maybe the contacts have oxidized (or become dusty). In general, you need to disassemble the device and repair the button. Only after this should you try to flash it. In your case, I recommend taking it for repair. You yourself are unlikely to be able to repair anything at home. Trying on your own can lead to even bigger problems.

    Alexey 09.09.2016 22:24

    Hello, I have philips xenium v387
    I reset the phone to factory settings, an image of an android appeared with the word ERASE. But then it disappeared, the phone turned off, turned on again, the image appeared again, and so on in a circle. Cyclic reboot. I can go into recovery, but only for a couple of seconds, after which the phone reboots. What should I do, please tell me?

    Stanislav 09/13/2016 08:54

    Good afternoon. I tried to reflash HTC desire hd. Something went wrong, the firmware was not installed. I accidentally pressed reboot. Now it's just a dark screen. I made a backup, but the thing is that, unfortunately, the Volume + – buttons do not work to call the recovery. How to restore now? Thanks in advance.

    Alisher 09.15.2016 18:28

    Hello. I have a Beeline Smart 5 phone, I wanted to reflash the phone via the sp flash tool, from the first I made the format using the same program auto format flash and format whole flash except bootloader after the format the phone does not turn on at all I connect it to the computer, it also does not find what to do please help... thanks for previously

    Team V-ANDROIDE 09.21.2016 19:43

    Hello. Which connector is not working? I think that even if the service centers don’t want to take it on, then you’re unlikely to be able to do anything on your own. In your case, it is better to buy a new gadget (and do not buy cheap Chinese devices). It’s better to pay once, but you will get an excellent gadget that will serve you for a long time and without problems. Believe me, brands are more expensive than others for a reason, there is something to pay for. As a last resort, I can recommend Chinese manufacturers Xiaomi or Meizu. These are two fairly high-quality manufacturers who have not yet managed to raise their prices - this is if you want to save money and at the same time buy a high-quality gadget.

    Team V-ANDROIDE 09.21.2016 19:43

    Hello. Try to contact a service center (send it in for repair). Since you are unlikely to do anything on your own. If an error pops up. The fact is that you can guess for a long time. Maybe you're trying to install the wrong firmware, maybe the firmware itself is buggy, maybe there's something wrong at the hardware level. There are a lot of options here. It's better to contact a service center.

    Team V-ANDROIDE 09.21.2016 19:43

    Hello. I strongly do not recommend installing custom firmware, especially on branded devices (LG, Samsung, etc.). These models have very strong support and official firmware works most stably and efficiently. Therefore, there is only one way out for you - to reflash your LG to the official service firmware, which will work perfectly. And in the future, never even try to install firmware from Cyanogen or from other supporters of firmware business - you will not end up with troubles. Regarding flashing, here is an article -. If you can’t do it yourself, it’s better to take it to repair.

    Danil 09/24/2016 21:50

    Hi all! Folks, I have such a problem! The firmware on the Fly IQ 4414 was glitchy, resetting it to factory settings didn’t help, Android was constantly loading, I waited for about an hour and it still didn’t start. I tried to reflash it through Recovery, but an error kept popping up. I tried it through the Flash Tool, the firmware was installed successfully, the phone stopped responding altogether, and did not turn on at all even when the charger was connected. The device seems to be dead, BUT! When trying to connect to a computer, the connection is in VCOM mode. It is flashed via a flash drive without errors, I tried only the official firmware SW 17 and SW18, but the end result is the same (Who has encountered this? What could this be connected with?

    Dark Folab 04.10.2016 15:29

    Good afternoon, I have a phone LG-E730, after flashing it manually (I have a little experience in flashing and repairing phones), I did everything according to the instructions and everything went smoothly, then when I flashed it, I started turning it on and it starts endlessly in a circle, only the LG brand logo is loaded, and then I haven’t tried it, I reinstalled newer versions of the firmware, or somehow fixed it because it was already installed, nothing helps, please help!!

    Team V-ANDROIDE 06.10.2016 21:53

    Hello. You did something wrong, which caused the firmware bootloader to crash (or the firmware itself was deleted). In your case, you will have to flash your phone. The firmware must be installed from the official service firmware. If you can’t find the firmware yourself or are afraid to flash it, then it’s better to immediately take it for repair.

    Team V-ANDROIDE 06.10.2016 21:57

    Hello. No. Just save the photo to your computer or flash drive. Flash the phone, and then put the photos (from a PC or flash drive) back into the phone's memory. Everything is obvious and quite simple. And regarding your question - at the time of flashing the firmware, the entire internal memory of the device is formatted and rewritten down to the file system. Therefore, absolutely all information is deleted.

    Hello. In any case, you need to enter the menu for flashing or the recovery menu (if you are flashing files in the root of the memory). So first you will have to repair the volume buttons, and only then try to flash it. If you can’t do it yourself, then there’s only one way out – take it to a repair shop. I don't see any other options.

    Team V-ANDROIDE 06.10.2016 21:58

    Hello. Of course, the phone won't turn on. You have completely formatted the memory, removing absolutely everything, including the firmware. Your task is to put the phone into mode for flashing via a computer or enter recovery. To get started, check out this article -. Here is general information about the firmware options. If you can’t switch the phone to the desired mode (recovery or “Dowload” mode), then take it in for repair, since you won’t be able to flash the phone any other way.

    Team V-ANDROIDE 06.10.2016 21:58

    "Hello. Where and how do you go? Please clarify your question. How to enter recovery mode on your tablet? Try this: 1. Turn off the tablet. At the same time, make sure that the battery is fully charged or connect the tablet to the network.
    2. Enter Recovery mode by pressing a combination of certain buttons. Since different tablet manufacturers offer different hotkey combinations, I will give a few of the most common key combinations to enter the recovery menu:
    Simultaneously hold down both the “volume” keys and the “power” key;
    simultaneously pressing one of the “volume” keys and the “power” key;
    simultaneously hold down one of the volume buttons, the “Home” button and the Power button (the button to turn on the device).
    The buttons are held until the recovery mode appears on the display. If you do everything correctly, you will go into recovery mode. I repeat once again - make sure that the battery is charged at least 75%.
    “

    Hello. I don’t even know how to help. I can’t really tell you anything remotely. Even if the firmware does not become available. I don't think it's worth wasting any more time and effort. Moreover, an independent attempt to flash the device led to even greater problems. It is better to immediately take it for repair if it is still repairable. Perhaps you need to flash the recovery menu first. If you flashed through recovery, please clarify, did you flash the recovery menu itself (it changed - that is, after flashing the menu itself changed its design)? If yes, then first you need to return the recovery to its original state, and then try to install the firmware itself.

    Team V-ANDROIDE 10/19/2016 20:09

    Hello. Did you install native or custom firmware? The fact is that custom firmware is usually flashed along with the recovery menu. In this case, there may be various failures. Try to find the official service firmware and install it. Moreover, you need to flash it via a PC and preferably with multi-file firmware (if there is no such firmware, then single-file firmware, but still via a PC). Even if the official service firmware does not work, then take it in for repair. I have no other advice. Perhaps the problem is at the hardware level. It might be worth trying to format the internal memory. But you need to be extremely careful with this.

    Newichok 10/27/2016 10:26

    I flashed the phone to 5.0, everything was done successfully. After an unsuccessful attempt to reset the settings (in the army), the system does not boot, but the backlight just turns on when turned on. When I go to twrp to reset the settings, it says failed.
    I downloaded the official firmware to the SD card in zip, but I don’t remember how to reinstall it (
    But the computer doesn’t see the phone, even in the workshop, everything is fine with the entrance.
    Prestigio 4044
    twrp version 2.6.3.0

    Igor 01.11.2016 13:03

    Hello. Recently they brought me a copy of the iPhone 6 mtk 6572 to flash. Downloaded the drivers and installed them. After that I was going to flash it. I turned off the phone and connected it to the computer. And in the end it says that the device is not recognized. As a result, the phone stopped turning on and responding to anything. Can you recommend anything?

    Dmitry 03.11.2016 17:54

    Hello!) After an unsuccessful firmware update of my smartphone (meizu m3s mini), it stopped showing signs of life, I connect it to the computer and there is sound, but after three seconds there is another sound (shutdown) and everything repeats again. How can I bring it back to life? (I took it to the SC, but the man there probably doesn’t know much about phones, he told me that he couldn’t find anything on the Internet)
    I will be very grateful for your help))

    Anton 04.11.2016 17:45

    Hello, after receiving root rights on my Android 4.4, the Prestigio Multipad wize 3008 tablet began to delete all data after each reboot, and today it completely froze and turned off, after trying to turn on the screen with the name of the tablet lit up, I launched recovery, clicked on Wipe data/factory reset after Why did the deletion begin, but it froze there too, what should I do?

    Ofka 11/13/2016 09:48

    Hello! I have a Samsung galaxy note2 gt-n7100, I did a restore and reset through the settings, the phone turned off and now does not turn on, it only shows the teamwin splash screen, blinks blinks, and so on endlessly. I'm trying to reflash it via Odin, but it doesn't work. Help!!!

    Hello. These are Chinese characteristics. You can try using the Flash Tool to try to reflash the preloader. Moreover, you can take it from another device with the same chip (CPU). Here you can read the forums yourself. Better yet, take it to a service center.

    V-ANDROIDE Team 11/17/2016 10:52

    Hello. It is possible that you just need to put the phone into firmware mode (Download). In this case, you need to install the appropriate driver on your computer so that the system can recognize the phone. If the computer still refuses to see the phone, then it is possible that the problem is more serious. In this case, you need to flash the recovery menu, and perhaps change the preloader. Preloader is a firmware that launches the “Download” system (I don’t know how to explain it so that it would be clear). In general, you need a truly experienced technician who can resuscitate your phone. Try contacting another service center or surfing the forums. There is plenty of information on the Internet.

    V-ANDROIDE Team 11/17/2016 10:53

    Hello. The bootloader file and, most likely, the firmware itself were damaged. Therefore, you will have to reflash your tablet. If you decide to try to flash it yourself, then first read this article -. If I'm not mistaken, your tablet is flashed through the Flash Tool program. If you can’t flash it yourself or are afraid, then take it to the service center.

  1. Elisha 20.11.2016 17:18

    Hello, I flashed my phone to root more than once and everything is fine, recently the phone switched to the official firmware with updated Android and everything is fine, the cable was not damaged even then, I want to flash it to root again, I found all the drivers and firmware, but as you understand the cable is damaged.
    Attention, the question is, will anything happen to the phone when flashing the firmware with a damaged cable, and charging goes on without interruptions and it charges as before, the phone is Samsung Galaxy Note 3 NEO (SM-N7505), the cable is original, it’s 3 years old (like phone)
    Thanks in advance)))

  2. Vlad 12/14/2016 18:50

    Thank you very much, I brought my body (Lg L65\ d285 dual, Android 4.4.2) back to life using the LG Mobile Support Tool program. After extensive deletion of the system file, the body refused to launch anything, a reboot aggravated the situation to the endless launch of the brick. Hard reset did not help (including the body, I pressed vol - and power, after the logo appeared, I released power for one second and pressed it again, the standard reseta menu appeared. After YES twice, he deleted something there and refused to install it and again the infinity “Lg, life is Good” . Panic!! There was no desire to reflash. Having installed the LG Mobile Support Tool application, I followed the instructions. But there is a slight deviation. By connecting the brick to the computer, I start it as it was said via power + Vol -, the program does not see the body, even though I launched it in the usual way. Having launched the “endless download”, the program saw it and began downloading the software onto the body and installing it, not paying attention to the eternal reboot, everything went well). Thanks again for the post, it really helped, otherwise it would have been just the firmware((

    Oleg 01/02/2017 15:52

    Help me please!
    After installing the rashr flesh tool program, I pressed the reboot recovery button and got a brick.
    When loading it shows only a green man in a blue circle. Is this something that can be treated, or is that it? The tablet is Chinese.

  3. Christina 01/03/2017 01:35

    Hello. Help me understand what happened to the Lenovo a328 phone? During normal operation of the phone, errors from absolutely all applications popped up with messages like “an error occurred in the Mail application,” and so on with all applications. While I close the errors by clicking on OK, they pop up again, and so on in a circle. Resetting to factory settings does not help. Resetting with or without archiving does not help. Applications are not deleted! A hard reset doesn’t help either, everything is in place, everything has errors that can be closed forever. My husband tried to reflash it, but now it won’t turn on at all. We did not switch to flashing mode; we installed the firmware when connecting via USB. So what's now? Where do the errors in absolutely all applications come from? Thanks for the answer.

    Igor 01/09/2017 01:29

    Hello! Please tell me, is it still possible to repair the Doogee X6 Pro after unfinished firmware (brick)? It doesn’t turn on at all, doesn’t vibrate, there’s silence on the screen, not to mention the recovery, completely zero. When connecting to a PC, when trying to flash it again in the sp flash tool, the following operations occur:
    1.Download DA 100%
    2.Format 100%
    3.Boot Load 100%
    4.Download flash 0%
    When I select Download Only, it happens Download DA 100% and Download Flash 0%
    Doesn't want to load Flash

  4. Anton 01/26/2017 18:14

    Hello. I have such a problem, I put the phone on charge and then took out the battery and turned it on and after that the logo started appearing on the screen when loading and the loading does not happen and the same garbage with (dowland) Does it need to be re-flashed? And How? samsung gt-s7390

    Valentina 01/31/2017 21:27

    Hello. Please tell me the phone is Altacatel onetouch idol3 6045y. The battery ran out, the phone turned off, I connected it to charge and began to connect it, a vibration signal went off, the charging indicator lights up, but the phone no longer turns on. I took it to the service center, and there they told me that the memory in the phone had died, they couldn’t fix it. (And 4 months before that, I updated the software and after that my PC stopped seeing the phone via USB.) I would be grateful if you will answer me by email.

  5. Alexander 02/04/2017 02:28

    Hello, the smartphone does not load beyond the splash screen, the recovery says an error loading the system, cache, data and memory (emmc) phone deхp ml5 with custom firmware and recovery. This happened on its own while playing music from approx., and suddenly errors started appearing after a reboot and an attempt to reinstall the firmware through recovery.

  6. Borka 02/15/2017 19:40

    Such a problem. Samsung Galaxy 4s phone. When turned on, the Samsung inscription lights up, an animation plays and a black screen appears. It seems to be a problem in Android. Is it possible to fix this by flashing it and what is the best way to do this? (Through off, custom or neo program?)

    Ivan 04/09/2017 17:04

    Hello. My LG L70D325 does not turn on when connected to a computer in the device manager, it is identified as Qualcomm HS-USB QDLoader 9008 in the properties of the com port it says that the device is working normally. The computer does not recognize it as a separate device or drive; it is visible only in the device manager. LGMobile Support Tool does not see the phone either. Is it possible to revive him? Thank you.

  7. Svetlana 04/17/2017 01:32

    Hello. Is it worth purchasing a tablet without firmware, does this happen, the tablet of the year does not have an operating system, and where did it go? Maybe the seller is not telling me something. The tablet is good, the price is right, but what should I do with it then?
    Tell. It is possible to install the firmware on a Samsung galaxy note sm-p901 tablet without a computer, or what is the best and easiest way to do it.

    Stanislav 06.16.2017 18:34

  8. Hello, I flashed the phone using a flash tool, the firmware went through without errors, but after the firmware the phone does not turn on, does not enter the recovery menu, and does not respond to charging. The computer is detected for a second and disappears, then after a second it is detected again and disappears, what could it be? phone jinga basco s2

    Olga 06/24/2017 23:07

  9. Hello everyone, my husband encountered a problem: megaphone login + took a long time to load (about 3 minutes), after loading, not a single application worked, errors popped up. I tried to reset it to factory settings - it gave me the error E: Unable mount ‘/cache’ After that it stopped loading altogether. I tried to reflash it via FT, it supposedly worked but there was no effect. It turned out that when connecting via USB to a computer, the connection periodically (about 2 seconds) is lost and reappears. It doesn't matter whether you connect it with a battery or without it. (The smartphone appears and disappears in the device manager, and so on in a circle.) Accordingly, it is not possible to flash it. What can you do about it?

    Yuri 07/17/2017 10:52

  10. Hello, friends!! The phone with the problem does not turn on, does not charge. I checked the battery was discharged, charged it with a frog to 3.7, no reaction. I'm trying to flash with the official firmware, I sewed with all the jackdaws, the phone was determined by the flash tool as a preloader, the firmware went fine after the jackdaw in the circle was completed, I switched off, I juggled the battery, the phone turned on but stopped at the logo, when I connected the LBP, the consumption was 300 mAp. I tried to flash the format + dovload, the firmware passed the norm . but the phone stopped showing signs of life. I flash the download again, the firmware passes, but the phone does not turn on

    Hello. Samsung Galaxy S 4 mini. During the day the OK application froze a little. In the evening, when I tried to open the vk application, the error “application has stopped, send a report” popped up. I rebooted the phone and when I opened the application again, a similar error occurred. I reboot again, and a window opens almost full screen “Google services have stopped, send a report” I press cancel, the window disappears and appears again. And so on ad infinitum. I reboot again, the “Android update” window appears, although I did not allow or launch any updates. After that it freezes, the screen goes dark and it won’t turn on again. When you press the power there is a vibration and nothing more. When you press power + home + volume key - downloading opens. When you try to reflash the system, the following happens: one sees the phone, but when you press start, initalzation is displayed... and that’s all! I tried everything, ports, cord original and not original, tried it on another computer, changed versions one, tried installing recovery, the result is the same initalzation... Also, when you try to enter the recovery menu, when you press three buttons, vibration occurs and on that's all! black screen. What could have happened to the phone...

    Auto test; Manual test; Item test; Test report; Debug test; Clear eMMC; Version; Reboot. If you click Reboot, everything repeats, endless loading. The computer does not see the phone.
    Are there any options to revive it? Or is Bobby dead?

The Android platform is the most common among mobile device users. It is quite stable, but there are still a number of factors that can affect the performance of gadgets. In particular, a common problem for tablets is firmware crashes. This is a serious violation, so it is worth understanding its causes and consequences. Experts from the Kabanchik.ua service shared information about this.

Causes of problems with firmware

The firmware in Android devices usually crashes due to:

  • damage to the device by a virus program;
  • independent attempts at flashing;
  • using “homemade” firmware;
  • violations with root access (this is the main administrator mode);
  • interrupted wireless update;
  • accumulated over long-term use of system errors.

In almost all cases, tablet repair is needed, the price of which depends on the source of the problem. The choice of a master is of great importance: it is better to contact direct specialists who have reviews and a portfolio.

Signs that the firmware has failed

The main “symptom” is partial or complete loss of functionality. For example, the tablet stops responding to any commands given through the screen or buttons. Another indicator is an information window about problems with the gadget’s RAM. The fact that the firmware has crashed is also indicated by an error when turning it on, indicating that further loading of Android is impossible. Well, the most common symptom is that the tablet does not turn on or “comes to life” for 2 seconds before turning off again.

How to restore factory firmware?

This is possible if the tablet still turns on, partially functions, but constantly displays error messages or freezes, does not load completely, or partially does not respond to touches.

The solution to the problem is to find the original factory firmware (usually it is posted on the official website by the manufacturer, if it is not a Chinese “noname”). You need to install new firmware by connecting the device to your computer. For a specialist this is a fairly simple task. Therefore, it is better to contact a specialist who repairs mobile phones and order a service from him, making sure of the proper level of professionalism. The work will take a little time.

Rollback firmware to previous version

The easiest way to update a partially damaged firmware on Android is to roll it back to a backup copy made in advance. It is best to make such copies each time before installing unknown applications. Special programs will help you make backups. You can consult with a specialist who is knowledgeable about your specific device to help you choose the best app for you.

How to solve the problem reliably and inexpensively?

If, for one reason or another, using the two listed methods does not work, you definitely need to contact a specialist without performing any additional actions. To save on mobile device repairs, it is best to find a specialist without intermediaries.

The Kabanchik.ua service will help with this: just fill out the task, and in just 5 minutes you can choose a proven specialist with reviews, portfolio and rating. In addition, the customer himself sets the price and time frame for restoring the firmware. But in order to prevent repeated problems with the firmware, it is better to install a good anti-virus program, prevent the installation of unverified applications, do not use administrator rights without understanding the processes, and install updates only with a stable Internet connection.

Other news

After incorrect firmware, your phone may become non-functional, or as it is called on the Internet, it will become a “brick”. Then the question arises of how to restore the Android brick yourself. Most sources will advise you to immediately contact the Service Center, but we recommend that you first try all available “resuscitation” options. In this article we will describe all possible options for making a functioning smartphone from a “bricked” Android.

This article was last updated on March 29, 2018.

We completely remove the consequences of unsuccessful firmware

Let's start with the first few steps, which will need to be done one after another. In order not to call Android a “device” and other names, in the future the word “phone” will be used, it’s more convenient and clearer.

Reviving your phone/tablet via Recovery

If the phone is still on, turn it off. Next, hold down the volume button and the power button at the same time. After this procedure, the smartphone will open double recovery menu. Two options will be presented:

  • Restore the backup (this point is the main requirement for the firmware; if the smartphone was flashed, then the backup was restored). Select the early position of your system, then the backup will start in Backup and Restore.
  • Chapter Install zip from sd card allows you to start the firmware installation process. At this point you need to specify the exact path to the archive with the firmware. This option deals with system recovery. Especially if the phone was turned off during the installation of important files.
    You may also be interested in the article.

But sometimes when starting the firmware it may not be possible to enter Recovery. Then the situation can only be resolved with the involvement of third-party programs. Typically this application TWRP Manager, ROM Manager or Installer, which are the most popular in this area.

These programs allow you to select all the necessary components for a specific version of the operating system, automatically detecting the gadget and launching Recovery.

If none of these programs helped launch Recovery, then you can try to find a program that can launch it on a specific smartphone model.

Above, we discussed how to restore your Android if it still had a chance of a painless “resurrection.” Now let’s consider what to do with it if the device was completely damaged and became a “brick” that does not function at all. If you think that this process is very complicated, then you should not immediately run to the workshop and pay a specialist, first try to do it yourself. Let's try to fix the situation ourselves at home.

This instruction is based on restoring phones and tablets from Samsung. If you have a different brand of device, then you need to select a different program or choose the option using FlashTool. Having trouble finding the right one? Write to us in the comments - we will help you!

Let's follow a few simple step-by-step steps:

  1. Install the latest USB drivers for Samsung on your PC;
  2. Download and install the latest version of the program Odin(https://4pda.ru/forum/index.php?showtopic=648344);
  3. Next you will need download official(non-author's) firmware for your model;
  4. Turn off the device, then press “-” on the volume key and “Home”.

After a while a warning will appear.

  1. Press “+” on the volume key, after which the smartphone will enter Odin mode;
  2. After, we connect it to the computer;
  3. Launch Odin, then press PDA, after which we designate the file in it tar.md5 in the directory in which the firmware is located;
  4. Next, click "Start", we launch the recovery program, after which the smartphone will be ready for use.

In this simple way, we returned the “brick” to its original state of a normal functioning device.

  1. We charge the phone to the maximum so that it does not turn off during recovery (let it sit on charge for a couple of hours);
  2. We take a smartphone that has turned into a real “brick”;
  3. Next, download the official firmware from FTF format;
  4. After which you will need to install the Flashtool program along with the firmware installation files on your computer;
  5. If your antivirus program often complains about other programs, then it is better to disable it for a while so that it does not interrupt the firmware process.

The operation itself to restore Android via Flashtool:

  • Turn off Android;
  • Place the FTF file with the firmware at: C:\Users\UserName\.flashTool\firmwares;
  • After launch, select the correct PC bit depth (32 or 64);
  • Press the key with lightning logo;
  • Turn on the “ Flashmode”;
  • Next, a drop-down window will appear in which you select the available firmware in this program;
  • At the moment when the firmware is ready, the program itself will inform you that it is time to connect to the PC;
  • First, the program detects the device and then the Android recovery will begin. After everything is successful, a sign “ Flashing finished”;
  • After this, you need to disconnect the smartphone from the computer and everything will work.

Video instruction


Answers to your main 4 questions about Android resuscitation

Check the serviceability of the installed drivers, reinstall them if necessary, disable the antivirus. And the most common thing is to check the USB cable and connectors.

The smartphone turned into a brick as a result of a fall, and not due to unsuccessful firmware. Is it possible to save it yourself?

The Android operating system on each individual device has its own system, that is, software components. If it happens that your device has become a “brick,” then it is best to find instructions for a specific smartphone.

Articles and Lifehacks

Devices running on the Android operating system are very popular today, but with them, like with any other devices, all sorts of problems can happen. After all, “humanoid” - devices running this OS, like people, have their own “illnesses”, which can cause shock to many users. Today we'll talk about what to do if Android crashes? How does this problem manifest itself and can it be solved?

Signs that Android has crashed

A sign that the operating system has crashed is the complete or partial loss of functionality of the mobile device, which manifests itself as follows:

Android stops responding to any buttons (on-screen or panel);
- the device does not turn on;
- a window constantly appears on the screen indicating a problem with the gadget’s RAM;
- or when you turn on the device, the system gives an error and says that it is impossible to load the Android operating system (and even more so impossible if this was planned).

There are many reasons why this can happen. This includes independently flashing the operating system in order to modernize your device, and the use of programs that can improve the performance of a mobile device, and the use of custom firmware that is created by users independently and is experimental (that is, the manufacturer is not responsible for them).

What to do if Android still crashes

You can try to solve this problem either independently or with the help of specialists, the main thing is not to panic. If the operating system has crashed, then it would be logical to assume that it needs to be reinstalled. To do this, you need to find on the Internet the official operating system for your mobile device model (you need to keep in mind that there are different versions of operating systems that are suitable for some Android devices and not for others) and install it on your device. In order to do this, you will need a USB cable, the operating system itself and a special program for installing it. Following the instructions of the program, you need to install Android, after which the gadget should work as before. Those who are afraid to install Android on their device themselves are advised to take it to a service center, where technicians will be able to carry out high-quality repairs and give useful advice on what it is not recommended to do with your gadget in order to avoid recurrence of a similar problem.

Sometimes after an unsuccessful update, installation of an application with a virus, or unofficial firmware of the device, the gadget begins to malfunction. In particularly difficult cases, you can remove both the firmware and the bootloader, then the smartphone will not be able to boot the system at all or reset the settings to factory settings. We will describe simple and effective methods that can help restore the firmware on Android.

Reflash the phone using a PC

If Android crashes completely, you need to flash the operating system. For now, we’ll tell you how to return the factory version using the example of Samsung gadgets. There is a completely official way to update using Kies software.

Flashing procedure:

There will also be a recovery code here, which you can copy into the appropriate field. To start the process, just click on the “Restore” button.

If the program does not offer a recovery code, flashing will not be possible.

A universal way to flash Samsung using Odin

The Odin program works under Windows with all Samsung devices. All data is destroyed after flashing, so it is necessary to back it up before doing this.

Preparation:


After this you can do a flashing. To do this, first launch Odin on your PC and put your Android device into Recovery mode. On Samsung devices it is usually launched as follows:

  • turn off the device;
  • simultaneously press and hold the Home, “-” and Power buttons;
  • then the “+” button once.

After the device enters Recovery Mode, connect it to the PC with a USB cable. Further:


All you have to do is wait for completion, after which the device will reboot. Next, you will need to do the standard procedures - return the old account, etc.

Restoring the firmware of LG devices

The methods to remove the old version and update the firmware via a computer are largely universal. You can see this using the example of another LG device. To restore the latest factory firmware:


Unofficial LG flashing

If problems in the phone do not allow you to do an official flashing, then you can resort to using unofficial methods. For Samsung, as we noted earlier, this is the Odin program, for LG - KDZ Updater, for HTC - Android SDK Platform Tools.

Using LG as an example, let's look at how to flash the firmware if Android crashes:

  1. Download and unpack the archive on KDZ Updater in the system partition of your disk;
  2. Go to the application folder and run the msxml.msi installation;
  3. For your device model, download the firmware from the Internet at http://lg-phone-firmware.com/, during which time recharge the device by at least 50%;
  4. Launch KDZ Updater;
  5. Connect the device using a USB cable, wait until the USB drivers are installed on the PC;
  6. Make sure that USB debugging is enabled on your smartphone (Settings section, “For Developers” folder);
  7. Turn off the device and disconnect the cable from the PC;
  8. Next, you will need to remove the battery (this is not required for all models), press and hold the Volume Down button, and reconnect the gadget to the PC using the USB cable;
  9. The display will show S/W Upgrade;
  10. In the Device Manager of the Computer folder, disable LG Mobile USB Modem;
  11. Go to the folder with the firmware application and run the KDZ_FW_UPD.exe file as administrator;
  12. In the program, in the Type drop-down list, open 3GCQT;
  13. In the PhoneMode field, specify the DIAG parameter;
  14. In KDZ File, specify the path to the previously downloaded firmware;
  15. The process is started by clicking on Launch software Update; during flashing, the smartphone may reboot several times.

As you can see, the old Android OS can be returned in a way that is standard for all manufacturers. Using non-original flashing tools is not always easy, and this process carries the risk of turning the device into a “brick.” However, in some situations, only this method can help deal with complex system problems in your gadget.