Xiaomi Phone Screen Goes Off Quickly

Turn off the screen automatically when you bring the phone to your ear during a call

Why does the screen go blank on the phone when I put it to my ear? In this article, you will find information on how to enable the screen lock during conversation in the Xiaomi settings. If on your Xiaomi smartphone, during an incoming or outgoing call, the screen stops turning off and locks when you hold the phone to your ear, then you may have disabled this function in the android settings. This could have happened completely by accident and you simply did not notice, or your children went through the phone settings and turned off the proximity sensor.

In our example, we will show you how to turn on the proximity sensor on Xiaomi Redmi 4X so that when you bring the phone to your ear, the screen is blocked and kerosene. Perhaps the information will apply to other Android smartphones and tablets.

To automatically lock the screen on Android when brought to your ear, you need to do the following. We open the “phone” icon on Xiaomi and get to where we usually dial the number to call. Next, click on the touch button “menu” in the form of three horizontal stripes. (On some android after opening “phone” “menu” you can also open it with a touch button in the form of three stripes located under the screen on the left side. This button must be pressed and held a little to bring up the menu.) See below on the Attached pictures, where the necessary icons and buttons are highlighted.

Next, in the menu window that opens on Xiaomi, select the item “Incoming calls” under which there will be a short description of possible settings (additional settings for the behavior of the device for an incoming call).

In settings “Incoming calls” on Hiaoma we find and select the item “Proximity sensor” under Which it will be written (turn off the screen automatically when you bring the phone to your ear during a call) and turn it on. Done, now, when you bring the phone to your ear, the screen will go dark and lock, thereby preventing accidental presses and touches of the touch screen.

Useful tricks when using Xiaomi smartphones

Article “Useful tricks when using WhatsApp”, as they say, went well. she already has under 80 thousand views. and I decided to continue to publish similar articles for the column “Educational program” for second applications and gadgets.

In today’s article, we will talk about various useful tricks when using Xiaomi smartphones. I have been writing reviews of Xiaomi smartphones for several years now, I have been using the Xiaomi Mi 9 smartphone as my main smartphone for several months, I have thoroughly studied the settings of the phones of this manufacturer, so I want to talk about some useful settings that can be done with them. over, Xiaomi is famous for the fact that they even have settings in the younger models. NOT stripped down and provide almost the same features as in the Flagship models.

(Interestingly, not all manufacturers are so generous: for example, I somehow bought a budget smartphone Moto E4 Plus to study and was simply amazed at how much the settings of this smartphone were cut in comparison with their mid-range smartphones.)

1. Proximity sensor

Xiaomi has a convenient option to turn off the display when you bring the phone to your ear during a call. so that there are no false positives. The proximity sensor is responsible for this. By default, the option is on, and users don’t even know where to look for it at all. The joke is that sometimes after the next update this option “flies”, that is, it turns off. And try to find it in the settings.

You can find it through the search in the settings “Proximity sensor” or through the application menu “Phone. Incoming calls”. By the way, there are also some more useful options.

2. Unnecessary notifications

The area of ​​quick notifications on a smartphone often receives notifications from applications that you do not need and only annoy. To turn them off, you have to go to “Settings. Applications”, search for the corresponding application there and disable notifications for it.

But there is a much easier way. In regular Android (that is, for most Android phones), the notification can be swiped left or right. the settings icon will appear there, which will transfer you to the notification settings of a specific application.

Xiaomi has made it even more convenient. The application needs to be moved to the left (if to the right. It will simply disappear from the screen). there will appear two icons: settings and postpone for a while.

Set aside for a while. disable notifications from this application for a while.

Settings. right on the same screen, you can turn off notifications for this application.

3. disable ads

Xiaomi smartphones can display ads at certain times, and this annoys many users. (Note that this is just such a business approach: Xiaomi smartphones are very cheap, bring minimal profit, and the company makes money from them through advertising.)

This advertisement in system applications can be disabled by completely standard means.

In the settings for accessing personal data of applications. disable such access in msa applications. By the way, it probably won’t work the first time. the system will write that they could not revoke access. The operation just needs to be repeated. then it will work.

“Settings. System applications. Safety” turn off “Receive recommendations”.

application “Cleaning”. turn off “Receive recommendations”.

application “Conductor”. “Menu. Settings. Information”.

Well, Similarly, in other system applications that you use.

4. Fingerprint animation

If you have a fingerprint scanner built into the screen, then there you can customize the animation when unlocking. “Settings. Blocking and protection. Fingerprint management. Fingerprint animation”.

5. Permanently on screen

Many Xiaomi smartphones have an always-on screen mode, when the date and time are shown on the off display. This is included in the section “Settings. Screen. Automatic Turn on the screen”.

In the same section “Settings. Screen”, by the way, there are also such useful options.

6. Gesture control

The control mode switching in Xiaomi was shoved into a very vague setting called “limitless screen”. There, instead of on-screen buttons, you can enable gesture control. it is more convenient, and extra screen space is freed up.

7. Disable the lock screen

Some smartphone owners. well, for example, me. DO NOT use the lock screen because they do not want to make unnecessary movement when turning on the phone. There is no way to disable the lock screen in the settings. However, it can be done. through the hidden settings item “For developers”. To enable it, you need to go to “Settings. In phone” and there click on the item 8 times “MIUI version”.

After that, the developer mode will become available in the “Settings. Advanced settings”. And turn on there “Skip lock screen”.

8. Increase the sound level (and turn on face recognition)

For some models, Which, in principle, have a face recognition function, this option is not available when setting Some types of regions. for example, Russia. To enable this option, you need to set a different region. for example, India: “Settings. Advanced settings. Region”. This will NOT affect the convenience of working with a smartphone, but at the same time, firstly, face recognition will become available, and secondly, the maximum volume level of the Xiaomi smartphone will noticeably increase.

9. Creating a clone of the application

A very convenient option for those who use two different accounts of the same application. (Personal page, company page), Whatsapp (personal and work messengers) and so on. When this option is enabled, the smartphone will create a clone application that can be configured separately.

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When launching an application, it will then ask which application to launch. main or clone.

10. Two spaces

Xiaomi smartphones have such an interesting opportunity as the creation of a second space. read, profile. What does this mean? This means that there are two non-intersecting spaces living in a smartphone. with their installed applications, multimedia and so on. When creating a second space in relation to the first, it will look like a smartphone in which a factory reset has been made. How can this be used? Well, for example, to create a profile that will store secret data. For example, the first space. for everyone, the phone can be used by a work colleague or a child, but the second. only for myself. Access to the first and second space is password protected, you can also set access by fingerprint.

A second space is created and accessed. in the section “Settings. Second space”.

An icon will appear in the second and first spaces “Transition”. to change space.

11. Buttons and gestures

“Settings. Buttons and gestures”. The AI ​​button seems to be only in Xiaomi Mi 9. It can be used for various actions.

Also useful features. Launch the camera when you double-tap the power button and take a screenshot with a three-finger gesture. works great and is an order of magnitude more convenient than a Samsung picture with the edge of the palm, which works very, very crooked.

Well, it seems that these are all the main features, which are not obvious to many users. Hope this is helpful to someone.

Solution three when the phone screen goes out on outgoing call. restore factory settings

Another option you can try is to factory reset your phone.

Unfortunately, this option deletes all data from your phone, so don’t forget to copy files, photos, music. contacts, SMS and others to a safe place.

Then go to Settings Backup reset” and select “Factory settings”.

Factory settings may also be located in a different location depending on the brand and the installed software version.

After confirmation, the phone will reboot and all data will be deleted, and the device settings will be reset to factory default.

When you turn on the phone for the first time, you need to re-enter the settings (select language, sign in to your Google account, etc.).

After completing the operation, make sure the screen is working properly during a call and does NOT go out.

Solution one when the phone screen goes out with an incoming call. Remove the film or glass

First of all, remove the film or tempered glass from the phone screen. In some smartphones, due to their design, they can cover the sensor and cause erroneous detection distance.

Tearing off the tempered glass can restore the normal functioning of the sensor.

Of course, for some it may seem ridiculous, but uncle Google or Yandex will give you hundreds of records from their “warehouse”, where users complain about problems with the proximity sensor after gluing poor quality glass.

Solution two if the phone screen goes out when you answer a call. calibration

Sometimes the problem is a software update, for example, which for some reason contributes to the deregulation of the proximity sensor.

In this case, you can use a free application that, when installed in several stages, can calibrate the sensor, for example, Proximity Sensor Reset.

It is not difficult to use it. the wizard will guide you through the entire process, and at the end you must confirm the new calibration, which will restart the phone.

After that, you can make sure whether the calibration helped and now the phone screen does NOT go out during a call.

Causes of Proximity Sensor Problems When the Screen Turns Off During a Call

The problem with the sensor can occur both in the software and in purely mechanical damage.

If the problem is software related, you can often fix it yourself.

For example, by re-calibrating the sensor, by restoring the phone to factory settings, or by reinstalling software.

Screen calibration solves many problems. How to make it the guide is here.

If the problem was the result, for example, the phone was dropped, then there was probably a mechanical damage to the sensor.

This often also happens when there is a “film tearing” from the upper part of the case with the lower part of the phone (in particular, on the Sony Xperia).

Of course, purely mechanical problems are best dealt with by sending the equipment to service, because replacing the sensor is not easy.

Why does Android screen go blank during a call

On your Android, when you call, the screen immediately goes blank and turns black? If so, then the problem is most likely with the proximity sensor in the phone.

This problem can appear in any phone, for example, sony xperia, mi xiaomi, Lumi, compact, Samsung, asus, xiaomi Xiaomi, but it has been noticed that most often the screen goes blank on sony z3.

over, it happens that it goes out and does not turn on. this is no longer a joke. If this happens when answering a call or when making an outgoing call, then most often the culprit is the proximity sensor.

What is a sensor and how does it work in Android? Proximity sensor has several functions, but the most important task is to automatically dim and backlight the display during a voice call.

It does this by identifying what’s next to your face and phone. When the phone approaches your ear, the sensor detects your head and the screen turns off to avoid draining the battery and to prevent accidental disconnection of the conversation.

In turn, when you remove the phone from your ear, the screen lights up so that you can disconnect the call or use other functions (numeric keypad, switch the conversation to the speaker, etc.).

When it comes to damage to the proximity sensor, the mechanism described above stops working, so the phone cannot infer whether it is currently near the face.

The problem with the proximity sensor usually manifests itself in the fact that the screen immediately goes out during a call and lights up only after a call, or vice versa. the screen does NOT go out, even if you put it to your face during a call.

Phone Screen Still Goes Off. A Few Proven Tips

Some owners were helped by the option of cleaning the speaker mesh. Sometimes there is a motion sensor. Take a small brush and clean everything neatly. suddenly it will help you too

There are cases that with strong pressure on the top of the screen, even a click is heard inside the Xperia Z3 and the problem disappears.

Some smartphones have a smart processing option in the call settings. try turning it off if you find.

In Sony phones, the screen very often peels off from the case and such a problem arises. neat gluing solves it.

You can also disable the incall ui application in the application settings. If this does not help, then in the notification settings try to enable notifications for this application.

Of course, other reasons are NOT excluded in any way, I will end here. As they say, what I could, so I helped. success.

Solution four if the phone screen goes out. disabling the sensor

If your phone is no longer under warranty, and all other solutions did not help, then the sensor is probably physically damaged, so the screen goes blank immediately after the call starts.

If you do NOT want to spend money on service, then Turn off the screen off during a call.

As a result, the screen will be constantly lit during a call, and you can use the On-screen buttons to activate the speakerphone or remove the keyboard.

The disadvantage of this solution is that when we speak with a lighted screen, we can accidentally press the buttons.

In order to be able to disable the proximity sensor, you will need to install a special Xposed Framework module.

To do this, you need to Get ROOT (root rights) to Get administrative privileges,

93 comments

I have a problem with the glasses. The glass has removed the norm, it works. But when I call it, the screen turns off.

I put the glass of the Russian assembly, there were similar problems with the sensor. I removed and installed the Korean original glass and everything works well.

Screen turns on spontaneously due to dirt

The reason that the display glows by itself may be dirt and dust accumulated in the charging port. Contamination interferes with the normal power supply (phone charging), causing the screen to light up.
Cleaning the ports with a toothbrush or compressed air will help.

Why Xiaomi Redmi phone screen lights up by itself. reasons and how to fix it

Users of Xiaomi Redmi smartphones note that the display of their device may turn on for no apparent reason. It happens that this happens quite often and gives the owner of the device discomfort.

There can be many reasons why the Xiaomi phone screen itself lights up: the operation of some services and applications, sending notifications, problems with the operating system, physical defects of the phone components (board, processor, etc.), accumulated dirt.

  • Application operation and sending notifications
  • Operating system problem
  • Screen turns on spontaneously due to dirt
  • mechanical damage
  • : Why does the Xiaomi Redmi phone screen light up by itself
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Operating system problem

The spontaneous switching on of the display for no reason often happens with old Xiaomi models, they just start to malfunction due to wear and tear. When the screen of a new device lights up by itself. most likely the matter is in the firmware.

There are many different glitches in some versions of Miui OS firmware, you can get rid of them only by flashing.

Errors in the operating system, as well as problems arising as a result of user actions can also lead to uncontrolled switching on of the display.

Application operation and sending notifications

Many companies whose services you use can send messages in the form of service alerts, and the phones simply display them on the display (for example, notifications from Google).

Various applications, including social networking sites, periodically send notifications to the phone to receive updates. In this case, the screen of the device turns on, and after a while (specified in the phone settings) goes out. Often, not only does the display light up, but the notification is accompanied by an audible signal.

To get rid of this, in the smartphone settings on the tab “Applications” Disable program specific notifications.

Another reason is that the Xiaomi phone is reporting a connection resumption. If the base station is rebooted, the connection may be lost, and when the base station is restored, the display may light up.

mechanical damage

The problem of self-turning on the display of a Xiaomi phone may be the result of mechanical damage or defect. The board inside the device must be checked for microcracks. You should also make sure that the power controller and processor are NOT damaged. For this, it is better to contact a specialist.

So, the reasons why the Xiaomi phone screen itself lights up can be different. Disable unnecessary notifications from specific applications in the settings, check devices for viruses, clean them from contamination. If you fix the problem yourself Failed. take the device to a specialized repair service.

Bugs in firmware

The developers of the Firmware for Xiaomi themselves do NOT fix the problem with the erroneous actuation of the proximity sensor. This is fixed like this:

Enter the general settings;
go to “system applications”;
hereinafter. “calls”;
then. “incoming”;
start the proximity sensor.

If there are problems and after starting the component, check the item in the same list. “lock in the “. You will need to turn it off as it may cause your device to malfunction. Solution from the creators of the smartphone It hasn’t come out yet. you need to do so and Follow the blocking yourself.

Microcracks in the screen are fraught with a break in the power circuit. If this happens, then you will have to change the screen. Fortunately, in China they are several times cheaper.

It happens, and the malfunction lies in the incorrect installation of a SIM card, or a flash drive. Try to take them out and check what will happen.

A map with problems can be repaired by restoring broken clusters using a PC.

If shaken, a poorly positioned plug from the display may fall out. What will entail the disconnection of the image transmission module, or partial disconnection.

Remove the cover of the device, and plug the ribbon cable into the socket. If it is inserted, take it out and insert it. In this case, do not forget to disconnect the power cable from the battery.

When the quality of pixels is determined, and among them it was possible to find “burnt out”, you can start looking for applications that will correct the situation:

  • JScreenFix is ​​easy to use, you need to use the Fix Stuck Pixels button to get started. The developer promises 30 minutes to complete this operation, but the service center masters recommend leaving the devices. NOT less than 10-12 hours for a more complete check;
  • Pixel Fixer: Another program similar to JScreenFix. To restore pixels, you also need to click on the green button;
  • Dead Pixel Cure: The Platform Not only tests a mobile phone for dead pixels. And then “heals” them, but at the same time reveals other defects in the display.

What to do if the Xiaomi screen goes blank and does not turn on when you call.

When using a Xiaomi phone for its intended purpose (in the talk mode), an unpleasant bug may appear. the screen does not turn on when the ear is moved away from it. Usually, such problems disappear when the device is rebooted to unload “heavy” applications from memory. serious cases include incorrect firmware, incorrect calibration or instrument malfunction.

When you call, Xiaomi screen goes blank and does not turn on

When you call, the Xiaomi screen goes blank and does not turn on, I can not drop the call. Now you have to press to turn off the phone.

On Xiaomi, the proximity sensor has failed. Tell me what to do.

When you press the call, the display on Hiaoma turns off, and the call is NOT dropped. Help solve the problem.

A screen glitch appeared on Ksaoma, when I answer a call, the screen turns off, along with a touchscreen. I hear the interlocutor talking, and he hears me, but I can’t switch off.

Light sensor check

To carry out the operation, you need to go to the “dialer”, and then follow the instructions:

Dial “###” without quotes and pressing the call button; in the service menu that appears, select the “Single item Test” item;
in another submenu go to “Proximity Sensor”;
the screen will display the words “close” and “far” when you close the phone with your hand and move it away.

The display will not change in the event of breakdowns or incorrect calibration. To configure it, you need to go to Recovery: Turn off the phone, and then start it using the volume up and power buttons (hold them together). Be prepared for the menu to be in Chinese:

Select the item “中文” (located at the bottom right above the blue button)
next. item above (PCBA test)
place the phone on a flat surface;
press the “Calibration” button (there should be NO light on the display).

If the components are fully functional, the message “Succesfully” will light up. You will be returned to the engineering menu, and the device will turn off. Be sure to charge the device before performing the operation.

Actions how to proceed in such a situation

Changing graphics to low resolution will help. You want to limit the power consumption mode. DO NOT continue to play when turning on the phone charger. Remove the phone from the case, allow general ventilation of the case. Disconnect phone, remove battery.

If the smartphone has been in a damp place or has been exposed to moisture. This is especially true for the USB input, and leakage into the smartphone. Oxides can lead to leakage current, and this contributes to the heating of the apparatus. To fix, you need to clean the USB. Take a thin stick and wrap a cotton swab around it. Dip it in white spirit or alcohol, and Wipe the contacts in the entrance.

If water gets inside, then you need to disassemble Meizu. And, the same operation is carried out with the contacts, which are attached to the board. But before doing this, disconnect the battery cable to avoid shorting.

If the microphone does not work in Meizu M8, for this you need to do the following:.

Open the security settings, look for root access and press accept, restart the device. Open the “phone” and enter the given combination ### or ###. Scrolling to the right and find “Hardware Testing”. audio. Audio Playback set the Heaset PGA value to 160. Exit the menu and reboot the phone.

Also, programmatic methods can be applied. But, they can only help if there are no faults in the device itself. This method is one of the simplest, we open the settings on the mobile phone. And, select the command “reset settings”. Please note that this means deleting all data from your smartphone.

In order for the stripes on the Meizu M8 screen to NOT bother you, you need:

Xiaomi Phone Screen Goes Off Quickly
  • Ensure integrity and reconnect the display module cable
  • Replace the screen completely if there is real damage;
  • Update Flyme firmware and shell.

In the first situation, contact could simply be broken. The connection came loose due to a shock, the contacts are clogged, or the display was not fully connected at the factory.

In the second case, it is recommended to contact a warranty specialist or an independent workshop. The third option indicates that you bought a phone with an outdated software version. Which has flaws fixed in the update.

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To carry out this procedure, you must:

  • Enter the device settings;
  • Select the item “about phone”;
  • In the submenu, you will need to select the check for updates. when you turn on Wi-Fi, everything will start downloading;
  • the device will reboot.

The appearance of stripes during use can be eliminated immediately after purchase by updating. This does not void your warranty. Unlike a full flashing or self-repair during the same period.

A trivial way, it’s just to go to the notebook on the device.
Click the “Delete mi account” item below.

In this case, the account will be disconnected from the mobile phone. There will be no more lunge message when the device is loading.

If Xiaomi has lost sound, you should first check the audio settings. If there is an active mode (with sound), then we continue to look for the problem.

Necessary. clean the headphone jack.

If the headset icon is lit on the screen of the xiaomi smartphone, and the headphones are not connected, then the contacts have shorted. Therefore, the sound is transmitted to the headphones, even though they are not physically connected.

After cleaning, restart your phone.

If during a call the interlocutor does not hear you well, then this function may be disabled. Go to the settings “sound and vibration” and move the slider “noise reduction” to the value “on”.

If it is activated, and crackling and noise during a conversation are present, then try turning off the function.

The built-in mobile assistant can also interfere with normal microphone operation. Go to the “settings” menu, search for “Google”. Next, turn off the “voice recognizer” function.
Reboot xiaomi phone.

Account reset can be done using Xiaomi support.

To do this, you must have documents on your phone. to confirm that He is not stolen.

How to talk to Xiaomi tech support.

Go to your mail service type and your.

Click create message. In the first line, we write this address: mishu@xiaomi.com Or this one: service.us@xiaomi.com In the subject you can write (Unlocking we account). You must write in English. Use online translator.

Next, we write what is required. I want to reset mi account on Xiaomi redmi 6a. This procedure is long and can take 2. 3 weeks.

We choose English and any country;

We make an Internet connection using Wi-Fi or cellular data;

Go to “Privacy Policy” and highlight any piece of text. We click on the three dots, “Web Search” and “Google App”. Next, we can go to the settings, clicked on the entry “Settings”. We are looking for the item “About Phone” and click on it.

After entering, click on “Software version (Miui version)” on which you need to quickly click several (about 5) times, until a notification appears about the grant of “Developer rights”. We return and go to “Second Space”, and then “Turn on second space”.

A second space is created here and the device is already quite ready for use. Nevertheless, after the reboot, everything will be reset and you have to do everything again, so we continue. Go to the settings, then “About Phone”, “Additional Settings” and “Developer menu”. Move to switch USB Debugging to the enable position.

We connect to the computer using USB and launch Switch. Download “Minimal Adb and Fastboot” and turn it on. We go to the first desktop, and on the computer we type “adb devices “. Here we enter the following command: adb (input command) shell pm uninstall (parameters).k.user 0 (values) com.xiaomi.finddevice (communication with the server)

Delete “Find my phone”.

Nuances after such a decoupling.

After that, the gadget is ready for full use: you can go online, use various programs, etc.

However, it is worth choosing that it will not be possible to use Xiaomi services. Which is explained by the absence of the account itself. On the Xiaomi account, there are many complaints from users due to poorly executed software, and it is quite logical that it is deleted.

Screen goes blank on incoming voice call on Xiaomi

When a full-screen notification appears on an incoming call, the Android operating system turns on the sensor. In the normal case, it detects that there is nothing near the screen and therefore the display is activated. However, if the phone is in your. or lies on the table with the screen facing down, there is sound, but there is an image. For the same reason, the screen is turned off during a call to save energy, because you cannot control Xiaomi at this moment.

In case of a software glitch, when the screen goes blank and does not turn on during a voice call, you can do the following:

  • Turn off and then turn on the proximity sensor
  • Calibrate it

Let’s try a simple option first and turn it off, and then turn on the sensor in the hope that this is an accidental software glitch. To do this, go to “Settings”, find the “System Applications” menu. Now find “Phone”. Select “Incoming Calls”. We are interested in the Proximity Sensor menu. Disable it and then enable it again. To be safe, restart your phone in the usual way. In most cases, this helps, provided that there was NO mechanical damage (the phone did not fall, was flooded with water, was not exposed to extreme cold or hot temperatures). If this procedure did not help, we will try to calibrate the sensor using the engineering menu.

Xiaomi screen goes out too quickly after an incoming call, or does NOT go out at all. what to do?

The display turns off during a voice call and if the option is enabled. This is done in order not to press the touch buttons of the Cheek during a call, or so that the buttons are NOT accidentally pressed while the smartphone is in your .

There is a possibility of software failure or mechanical failure of the sensor, in which normal operation stops. In this article, I will discuss the most popular cases and methods for resolving them.

Calibration of the sensor through the engineering menu Xiaomi

To enter the engineering menu of Xiaomi, open the applications for dialing a phone number to make a call, but dial the following symbols: ### You will be taken to the engineering menu, we are interested in the item “Proximity sensor”, select it. The health checker starts. Upper digits Should change to 0 when an obstacle approaches the place where the sensor is installed (near the speaker). If without an obstacle it has a digital value, but as it approaches it changes to 0, then the sensor is working properly. If not, calibrate.

If the upper numbers do not change at all, then either it is out of order, or something is interfering with it. Often, a protective glass that is not glued correctly, or dust on the sensor, or water can become an obstacle to normal operation. If the protective glass is stuck on, remove it and check the sensor again. Make sure there is no dust or other foreign objects near it.

In this case, you need to turn off all functions that are tied to the sensor. Follow the above path and Disable the “Proximity Sensor” option in the “Phone” app.

The display does not go out during a call on Xiaomi

If the display does NOT go out when you are on the phone and hold it in your ears, the problem is exactly the same. you need to follow the procedure described at the beginning of the article.

You can check the performance in a simple way, for which you need any other phone with a camera. Turn on the camera on it and bring it to the sensor being tested, then call Xiaomi. During an incoming call, the sensor will turn on and you will see its flickering on the screen of the second phone. If there is flickering, then the sensor is either disabled at the operating system level, or is broken.

The most popular reasons that lead to the fact that the screen either goes out too quickly, or does NOT go out at all:

  • Poorly adhered protective glass, there is either an air bubble or a large piece of dust at the location of the sensor, which interferes with normal operation
  • If the native or protective glass is broken, and the crack passes over the sensor, this can lead to its inoperability.
  • Dirt, dust and any other foreign objects will also interfere with its operation, clean the screen
  • During an incoming test call, try to slightly squeeze the screen and body in the place of the intended location of the sensor, but do not cover the sensor itself with your hand. If the result appears, it means that the glass is peeling off, or a gap has formed between the front and back of the Xiaomi case. This problem is solved by repair in a service center
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