The screen turns on during a call. Causes of problems with a contactless sensor when the screen goes blank during a call. How to set up a proximity sensor on Android

If the screen on Android does not turn on after a conversation or does not go off during a call when you put it to your ear, then you should look for the cause of the problem in the work. If it breaks down, the device cannot correctly determine its position in space, so the screen does not light up, but the phone works.

This article is suitable for all brands that produce phones on Android 9/8/7/6: Samsung, HTC, Lenovo, LG, Sony, ZTE, Huawei, Meizu, Fly, Alcatel, Xiaomi, Nokia and others. We are not responsible for your actions.

Problems with the screen when making calls on Android

The main function of the proximity sensor is automatic switching on and turning off the backlight during a call. This allows you to save battery power and prevent accidental pressing of your ear or cheek on the touch screen of your gadget.

If your Android device does not turn off during a call, or the screen does not turn on after the call ends, then you should look for the problem in the operation of the sensor. The reasons may be as follows:

Poor visibility (covered/covered with protective film or cover).
Lack of RAM.
Problems with the firmware.
Moisture ingress.
Mechanical impact and damage to the cable or other components.

Before you start programmatically To resolve the problem, wipe the screen thoroughly. Special attention Pay attention to the top part, where the proximity sensor is located. If film or glass is glued to the display, then over time they may lose transparency and also interfere with the sensor.

Then check the call settings - perhaps the parameters are set incorrectly and the sensor is simply turned off. This option Not available on all phones, but worth checking.

Open Settings and go to “My Devices” or “Options”.
On the Calls tab, make sure there is a checkmark next to Proximity Sensor.

Increase

Also, make sure that the system has enough RAM to run the sensor. Open the list of applications in settings and on the “Running” tab look at how much RAM your phone is using. If you find a shortage, shut down unnecessary applications.

If everything is set correctly in the settings, but the sensor does not work, do backup copy important data and reset Android to factory settings. If the problem persists after a hard reset, you will have to reflash the phone. If no software methods, including flashing, fix the problem, it is recommended to contact service center to diagnose hardware faults.

Problems with the screen on Android after sleep mode

Another problem that may arise with the screen is that it does not turn on after sleep mode. It may or may not be black, but the phone works. If you are faced with such a situation, then know that the reasons can also be software or hardware in nature:

Lack of RAM.
Problems with the firmware.
Incorrect work power buttons.
Mechanical impact (impact, fall).
Moisture getting inside the housing.

If the phone does not turn on but vibrates when incoming call or performing other actions, there is a high probability that the problem can be fixed without contacting a service center. Clear RAM from unnecessary processes, completing unnecessary work in this moment applications. If this does not help, make a backup of your important data and reset the system settings to the factory state.

Increase

If a hard reset also does not fix the problem, you will have to flash the device. It is important not to forget to make a backup copy before each serious operation to interfere with Android.

Many users quite often encounter a problem when the smartphone screen does not lock during a call. Or vice versa, the display does not unlock after completion telephone conversation. It's all because of the proximity sensor. Or rather, its configuration is incorrect. In this article we will tell you how to properly configure the Android proximity sensor.

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What is an Android proximity sensor?

A proximity sensor is a small element of the device that is activated when the phone and any object are physically close. Thanks to proper operation proximity sensor during a conversation, the smartphone display turns off automatically as soon as the user brings it to the ear.

The Android proximity sensor is very useful and even necessary for at least two reasons, namely:

When the screen is turned off during a call, you will definitely not accidentally press any button on the touch screen, for example, with your ear or cheek
The Android proximity sensor allows you to save battery power. If the phone screen was turned on during a conversation, the battery charge would be consumed much faster, and this is extremely inconvenient for people who are used to or are forced to talk on the phone for a long time

The proximity sensor is located at the top of the smartphone. As a rule, it is located next to the front camera lens. On some devices the sensor is visible with the naked eye, and on some it is not so easy to detect. To determine the location of the proximity sensor, simply remove the device from your ear during a call and place your finger next to it. front camera. If the display goes dark, it means you have found the sensor.

How to enable proximity sensor on Android?

Usually, the sensor is turned on by default, but if it is not active for you or you accidentally turned it off, then you can always turn on the Android proximity sensor again.

To do this you need:

Go to the phone settings menu
Go to the "Calls" section
After that "Incoming calls"
Next, find the item “Proximity sensor”
Enable Android proximity sensor by activating the checkbox

How to disable the proximity sensor on Android?

Sometimes the sensor does not work correctly, and for their convenience, some consumers want to turn it off. This can be done very quickly and easily. To disable the proximity sensor on Android you need to complete all the steps above instructions, but do not check the activation box or remove it.

If you have any questions, ask them in the comments below!

How to set up a proximity sensor on Android?

If you have the proximity sensor turned on but not working, you need to calibrate it or, in simple words, configure. The simplest and safe option to solve this problem - download free application"Proximity Sensor Reset" from Play Market.

To set up a proximity sensor on Android using this program you need:

Download and install the application “Proximity Sensor Reset”
After starting the program, click Calibrate Sensor
Close the proximity sensor with your hand and select Next
Remove your hand and select Next again
After that, click Calibrate and Confirm
Give the program access to root rights. In the window that opens, click “Allow”
Wait until the device reboots
Check that the sensor is working properly

If these steps do not solve the problem, and your proximity sensor still does not work, then you may need to calibrate the display. For information on how to properly calibrate the display, read our article -. Reflashing the device can also improve the operation of the sensor. You can find out information and select the firmware specifically for your phone on our corresponding website.

In some situations, it happens hardware failure, and for correct operation The proximity sensor needs to be replaced. In this case, we recommend contacting a service center for specialist help.

If you have any questions about how to set up the Android proximity sensor, write in the comments. We are always happy to help.

Video on how to set up, enable or disable the Android proximity sensor

Answers on questions

How to check the Android proximity sensor using the engineering menu?

To check the Android proximity sensor using engineering menu, you need to enter the combination *#*#3646633#*#* in the dialing menu. In the menu that opens, select the Hardware Testing tab, then select Sensor and click Light/Proximity Sensor. After that - PS Data Collection, and you will be taken to the proximity sensor testing window menu. You need to click Get One Data, and the number “0” should appear in the second line. Next, place your hand on the proximity sensor and press Get One Data again, the number “255” should appear. If everything is as in the above instructions, then the proximity sensor works correctly.

The proximity sensor in a smartphone, including the iPhone, performs such a function as turning off the screen during a call. The function is activated the moment it comes into contact with something opaque. When a person makes or answers a call, that something is the ear. Today we will talk about why the screen does not go off when talking on the phone and what you can do in this case yourself, without the help of a specialist, including how to check the proximity sensor.

Most often, the proximity sensor in a smartphone loses its functionality after replacing the touchscreen. In order to solve this problem, just stick a small piece of tape in this place and paint over it with a dark marker, preferably black. This method has been tried many times and has always been effective.

Instead of tape, you can use a rubber band. Cut a piece about 5mm long and place it between the light and distance mechanisms. This method, as experts note and ordinary people, also helps solve the problem when the function of turning off the display on the iPhone does not work as expected when you approach a non-transparent object.

Of course, in order for the distance sensor to be accessible for repair, the device will have to be disassembled, at least removing the display module. Instructions on how to do this iPhone owners different models, the Internet is full. First, familiarize yourself so as not to make any mistakes or spoil a valuable spare part. Screens are very fragile and, if removed incorrectly, turn into a pile of glass shards.

As a rule, the distance sensor does not work after replacing the display if the procedure was carried out by people who are not familiar with all the intricacies of opening and iPhone repair 5 and other products from Apple. Therefore, to replace the display on an iPhone, it is best to contact real professionals in their field, specialists in whom you are 100% confident, preferably an official service center.

In addition, only there you will receive a guarantee for work and spare parts that lasts several months, unlike private service providers who limit warranty obligations 2-3 weeks.

Transparent protective film or glass

In addition to replacing the touchscreen, a situation when the sensor does not work iPhone proximity, may be caused by protective film or glass. To be more precise, its dark shade. Due to shading, the distance sensor, although fully functional, will not respond. The solution to this problem is to remove protective film or glass and replace it with another, transparent one, which is quite logical.

Currently available on the market great amount similar accessories, so there should be no problems with choosing the right one. The main thing to remember is to take only transparent protective glass!

It should be noted that if you have put a protective film or dark-colored glass on your iPhone for a long time and before similar problems If it didn’t, then most likely the sensor on the phone failed for another reason. IN in this case It is strongly recommended to contact a specialist.

Phone recovery

If it is not a matter of replacing the touchscreen and dark protective film or glass, then the sensor may not work due to failures in the operating system. Therefore, before going to the official service center to repair the iPhone 5 or any other gadget from Apple, we try to reboot. This is very easy to do - look at the picture and press the marked buttons.

In order to reset all errors to software you need to format your phone. This can be done with iTunes help. How exactly the procedure is performed, read and see in this article.

Repairing the cable

A situation where the screen does not go dark, in addition to everything that was mentioned above, can be caused by the breakdown of a cheap spare part called a “cable”. Fixing this is not particularly difficult, but skill and experience are required. This process can be divided into the following stages:

Disassemble the iPhone, remove or disconnect the battery.
Pull out the speaker and the connector that is used to secure the headset.
Take apart the key called “Home” by unscrewing the screws one by one.
If there are traces of corrosion on the parts that come into contact with the cable, then carefully clean this area. A cotton swab dipped in an alcohol solution is suitable for this.
Reinstall the parts.
Turn on the iPhone and check the proximity sensor – whether it works or not.

Remember that the cable is very fragile and can be damaged with literally one careless movement. Therefore, if you decide to repair it yourself, then do it carefully, without using sharp or cutting objects.

Removing contaminants

The cause of the problem we are considering may also be the notorious dust, which penetrates inside the device when the seal is broken. In order to wipe the phone from the inside, you will need to disassemble the case and carefully, without pressing, wipe the circuits and case from visible particles of debris.

Disabling a module

If, on the contrary, you are wondering: “How to disable the proximity sensor on an iPhone,” then you can use one of the following methods:

Download Smart app Screen Off. The program allows you to calibrate and adjust the moments of switching on and off.
Dial the combination “* # * # 0588 # * # *” — software method shutdown, hardwired by engineers into the depths of the iOS operating system.
Disassembling the smartphone and removing the proximity sensor is perhaps the most radical way.

Conclusion

Now you know what to do if the screen does not go off when iPhone conversation 5S. The warranty on an iPhone, regardless of the model, is not 1, as many people think, but 2 years. Therefore, if this time has not yet expired, then it is best not to engage in amateur activities, but to seek help from an official service center. They will fix the problem quickly and free of charge. If the module has not failed as a result of drowning or falling of the device.

And finally. You should not buy an iPhone second-hand, since in this case, the cell phone may be a Chinese product assembled from used parts, even if there is documentation confirming the quality. Be careful and careful how to check iphone authenticity, read the next article. That's all, see you again on the pages of the site!

Video instruction

Apple products are one of the highest quality and most reliable in the world, but sometimes its owners may encounter the fact that their screen does not turn off when talking on the iPhone. At first glance, a breakdown of the sensor may seem insignificant, but it entails heating up the phone and additional consumption of battery power, and there is a risk of accidentally activating one of the commands by moving your ear closer during a conversation.

If you do not identify the cause of the malfunction in time and do not understand why the screen turns off, then more serious problems may soon arise.

Why doesn't the screen go dark on my iPhone?

There are not many reasons for the breakdown due to which the screen does not automatically turn off when talking on the iPhone. The most likely of them:

The screen does not turn off due to moisture getting into the device
the phone has mechanical damage
you used non-original phone accessories
the display does not go dark because it was previously performed poor quality repairs using Chinese spare parts
there is a manufacturing defect - although Apple company and strives for perfection, this fact cannot be excluded one hundred percent

Try to fix the problem yourself and understand why the display does not turn off while using the phone.

How to solve the active screen problem

The first method recommended for iPhone screen started to fade out again when talking, it's " hard reboot" The term itself means restarting the operating room iPhone systems. Most often, it is used when the iPhone freezes, that is, when the screen turns off or the device does not respond to commands. If the screen does not go dark during a conversation or after a call on the iPhone, this method also often helps.

To hard reset your iPhone, hold down the Home and Sleep/Wake buttons at the same time for 5 seconds. After this, the iPhone will turn itself off and then start working again. Very often, such manipulation restores the automatic shutdown of the screen, and replacing the sensor or replacing the cable will not be necessary.

If the first method did not help, and the display on your iPhone still does not turn off during a call, try another solution to the recovery problem touch display. If the iPhone screen does not go dark, you need to do the following:

connect your smartphone to your computer
go to iTunes
find the appropriate software
update operating system iPhone

After the update, there is a chance that the proximity sensor will work, and the screen will begin to dim and turn off during a conversation. In most cases, the first two methods help solve the problem of the active screen when talking on the iPhone.

The third method you can try for independent decision Problems automatic shutdown screen during conversations - downgrade - return to previous version Software on iPhone. While using this method to restore normal functioning display, data is deleted.

All listed methods It also helps if the screen remains on after pressing the lock button. When the screen does not go dark after receiving various notifications or SMS, try the following:

go to your phone settings
select "auto-lock"
install exact time when the screen should go dark
restart your phone

Another way to “make” the display go dark is to methodically remove the last installed applications.

If, after carrying out all the manipulations, when the ear approaches or after blocking, the screen also does not go off, contact Yudu service specialists to solve the problem and repair the sensor failure.

Professional diagnostics and quality repairs

To understand the cause of the breakdown and find out why the display does not go out, you need comprehensive diagnostics iPhone. After this, it will be clear why the screen does not go dark during conversations. As a rule, the cause of a malfunction of the touch display is the failure of the proximity sensor after moisture or mechanical damage housings.

To solve the problem of the screen turning off, follow these steps:

sensor replacement
replacing the cable (most often necessary when moisture gets in)
replacing the lock button (performed if the iPhone screen does not go dark after pressing it)
screen replacement (in extreme cases)

If the iPhone screen does not go dark, it is best to order renovation work from trusted specialists. To ensure that the phone screen functions properly in the future and turns off when necessary, use only original spare parts.

Why is it worth ordering the services of private specialists represented on Yuda?

Yudu specialists have extensive experience working with Apple devices and have repeatedly solved the problem that the screen on the phone does not go dark. You will also receive the following benefits:

There are always free performers on the site who are ready to carry out diagnostics and understand why the display stops going dark
all masters undergo a thorough check - you can be sure of the accuracy of the data they provide
The site has reviews from previous customers - you can study the recommendations before ordering a screen repair
You can order screen repairs around the clock

The services of private specialists are provided without intermediaries, so the specialists determine the reasons why the display does not go off and do it much cheaper.

To order the services of private Yudu specialists, leave a request on the website or in mobile application. Indicate in the task that the screen does not go dark when talking on the iPhone, and available performers will contact you shortly to clarify the details.

Mobile phones have given us the luxury of communication, the ability to receive information and entertainment anywhere. Which device can be called ideal? Opinions will differ, but most users will prefer reliability: so that it works everywhere, discharges slowly.

Manufacturers compete to release new, modern, powerful communicators. Their filling copes with video demonstration, allows you to open website pages as on a regular PC, and spend your leisure time playing full-fledged games. The feature set of smartphones is truly impressive.

Habit to large smartphones with convenient 5-6-inch displays appears quickly, return to models smaller size I don't want to anymore. Similar to buying a car: after trying a foreign car, a person is unlikely to be satisfied with a domestic car.
The extensive capabilities of smartphones as mini-computers in your pocket do not eliminate the functions of a telephone. We are so used to calling from everywhere and always that even small malfunctions begin to irritate us.
In order to extend the life of the device without recharging, manufacturers have made an automatic function for turning off the screen when brought to the ear. When the phone's display does not go dark during a conversation, the battery drains faster, and accidental taps on the screen disrupt the conversation.

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We will diagnose your phone for free, select an original part, agree on the cost and perform it with high quality urgent repairs phone and provide a company guarantee!

Technical methods for solving proximity sensor problems

In smartphones with touch screen There is a proximity sensor at the top of the front panel. This sensor is needed to save energy and prevent accidental activation of the sensor during a conversation. When you move the phone close to your face during a call, the proximity sensor turns off the display and sensor. If the sensor does not work correctly, then the display either does not go out at all during a conversation, or goes out immediately when the conversation starts, and it is impossible to end the conversation. Correction options:

Remove the protective film and wipe the screen. Film or dirt on the front panel may cause the sensor to malfunction.
Do a general reset. This will help if the sensor calibration is lost. A reset may return it to factory settings and the sensor will start working normally.
A temporary solution - to turn on the display during a call, you can press the buttons, insert the headset or charger, the display will light up, and you can reset the call.
If the problem is in the sensor itself, then it needs to be changed. DIY repair telephones by the user of such a defect is impossible. Our authorized service centers will replace the sensor with a new one.