Why does the iPhone screen not turn off automatically and what can I do about it? Why doesn't the iPhone screen lock during calls? iPhone doesn't go dark during a call

It must be turned off, otherwise it will be uncomfortable to use the smartphone. With the display turned on, you can accidentally launch an unnecessary offer or activate an incorrect function. The proximity sensor is responsible for turning off the screen during a conversation with an interlocutor. The element is triggered when the head of the smartphone owner approaches it. If it happens that the iPhone X screen does not go dark during a conversation, the proximity sensor is to blame. If you discover this problem, do not be upset, but rather contact the specialists of our service center. We provide prompt and high-quality service with a guarantee.

What is the cause of the breakdown?

In 95% of cases, the reason that the iPhone X does not go off during a call is related to the proximity sensor. During a conversation, we bring the smartphone to our ear, covering the light sensor, which directly gives a command to the system and turns off the display. You should also highlight other possible reasons why the iPhone X screen does not go dark during a conversation:

• Failure of the light sensor or cable due to mechanical damage and contact with liquid - the proximity sensor on the iPhone X must be replaced.
• Software malfunction. You can fix the problem by restarting your smartphone, as well as reinstalling iOS.
• The use of darkened accessories - protective films and covers, which interferes with the normal operation of the sensor.

How is an iPhone X repair performed?

If you find that your smartphone screen does not turn off during a conversation, contact our service center as soon as possible. Experienced specialists will provide an extensive range of services and perform high-quality IPhone X repairs. Contact us by phone, visit the nearest branch of the company or fill out an application on the website - we will place an order for repairs.

IPhone X diagnostics is the main stage in the restoration process. With its help, a specialist will accurately determine the breakdown, the reasons for its occurrence, as well as the cost and timing of its elimination. If the problem is in the proximity sensor, then you will need to completely disassemble the smartphone. Having replaced the faulty element, we test the functionality of the device and also inform you about the completion of the repair work.

Why us?

Our service center Re:Store has been servicing equipment from the Californian company Apple since 2009. Over an impressive period of time, we have studied all the intricacies of smartphone repair and are ready to fix the problem where the smartphone screen does not go off when making a call. Using high-precision equipment, we will diagnose the device, replace faulty components with new ones and provide a quality guarantee for up to 180 days.

• Reasonable prices, competent employees and high-quality results are why tens of thousands of customers have already chosen Re:Store!
• Free comprehensive diagnostics.
• Re:Store has been operating successfully for more than 8 years and has a reputation as a truly honest, fast and reliable service center.
• Our service center has extensive experience and experience.
• Employees of the Re:Store service center will competently and efficiently repair equipment of any level of complexity.
• Our team is highly qualified specialists with extensive experience in the field of electronics maintenance.

Dates: from 20 minutes.

Equipment: multimeter, plastic spatula, microscope, hair dryer, screwdrivers.

Materials: original components and high-quality analogues

Guarantee: 1-6 months.

Iphone X repair prices are provided in the table:

*The prices shown are approximate, to find out the exact cost, call us or leave a request

12.07.2017 Frank 77 comments

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

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

Moreover, 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 making an outgoing call, then most often the culprit is the proximity sensor.

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

This is done by detecting what is near your face and your phone. When the phone gets close to your ear, the sensor detects your head and the screen turns off to avoid draining the battery and to prevent you from accidentally disconnecting your call.

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

When it comes to damage to the proximity sensor, the mechanism described above stops working, so there is no way for the phone to infer whether it is currently near a person.

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

Causes of problems with a contactless sensor when the screen goes blank during a call

A problem with the sensor can occur either in software or in purely mechanical damage.

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

For example, by recalibrating the sensor, by restoring the phone to factory settings, or by reinstalling the software.

Screen calibration solves many problems. How to make it.

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

This often also happens when there is a “film separation” from the top of the case to the bottom of the phone (particularly on Sony Xperia).

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

The first solution when the phone screen goes blank when there is an incoming call is to remove the film or glass

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

Very often, the cause of problems with the proximity sensor can also be glass - in stores you can find tons of very cheap, low-quality products that are not reliable.

By tearing off the tempered glass, you can restore the normal functioning of the sensor.

Of course, for some this may seem funny, 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 blank when answering a call - calibration

Sometimes the problem is a software update, for example, which for some reason causes the proximity sensor to deregulate.

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

Using it is not difficult - a wizard will guide you through the entire process, and at the end you must confirm the new calibration, which will reboot the phone.

After this, you can see if the calibration helped and now the phone screen does not go dark during a call.

Solution three when the phone screen goes blank during an outgoing call - restore factory settings

Another option that you can try is to restore your phone to factory settings.

Unfortunately, this option deletes all data from the phone, so be sure to copy files, photos, music, videos, contacts, SMS and others to a safe place.

Then go to Settings > Backup & Reset and select Factory Reset.

Depending on the brand and software version installed, the factory settings may also be located in a different location.

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

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

After completing the operation, make sure that the screen works correctly during a call and does not go dark.

Solution four if the phone screen goes dark - turn off the sensor

If your phone is no longer under warranty and all other solutions have failed, then the sensor is likely physically damaged, causing the screen to go blank as soon as a call starts.

If you don't want to spend money on maintenance, then disable turning off the screen during a call.

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

The disadvantage of this solution is that when we talk to the illuminated screen, we may 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() to get administrative privileges,

Phone screen still goes blank - some proven tips

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

Judging by the reviews, most often the screen goes blank when making calls on a Sony z3 compact phone. Many people managed to solve this problem by pressing on the upper right corner (the sensor should be located there).

There are cases that on the Xperia Z3, when you press hard on the top of the screen, you can even hear a click inside and the problem disappears.

Some smartphones have an intelligent processing option in the call settings - try turning it off if you find it.

On Sony phones, very often the screen peels off from the body and this problem arises - careful 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 turning on notifications for this application.

Of course, other reasons cannot be ruled out, but I’ll leave it at that. As they say, I helped as much as I could. Good luck.

77 thoughts on “Why does the screen go blank on Android during a call”

I had this happen with the factory film, I removed the film and everything worked.

Answer

Thank you.
The plastic case on the S9 was in the way.
Corrected it - it worked!

Answer

The app helped Thank you

Answer

Answer

After installing the application the phone went out completely

During conversation mode, the iPhone screen must be turned off; otherwise, using the device is very inconvenient. An always-on display will respond to touches with your face and ear, and will also drain your smartphone’s battery. In the material below we will talk about what the causes of such a malfunction may be.

In contact with

iPhone screen does not turn off during a call

In 99% of cases, the breakdown is associated with the so-called proximity sensor. During a conversation, we bring the smartphone close to our ear, thereby covering the light sensor, which immediately gives the corresponding command to the operating system and turns off the screen. Otherwise, the following are the most likely causes of failure:

• Damage to the sensor or cable as a result of a fall or contact with moisture will require a replacement, which will cost $20-50 depending on the iPhone model;
• Poor quality assembly after replacing the display. In this case, hardware repair of the device will also be required;
• The use of opaque accessories - films or covers that interfere with the normal operation of the proximity sensor;
• A software glitch that can be fixed by hard or ;
• Another possible reason for the screen to be on during a call is active (the “Speaker” button in the call menu), which is provided for in the basic settings of the operating system.

iPhone screen won't turn off after notifications are displayed

If in the first case the breakdown is most likely related to hardware features, then this problem can almost certainly be solved using software methods.

First, make sure that the time is set in the iOS settings ( Settings → Basic → Auto-lock).



If the screen is still lit after receiving SMS or notifications, then you should try rebooting or completely reinstalling iOS. It is possible that problems with the system are also related to installed applications or, in this case, you can try to remove the latest plug-ins downloaded to your smartphone.

It happens that the screen on the iPhone 8 does not turn off when the mobile device is in standby mode or during a conversation. It would seem that this is not the most serious problem, because your favorite device performs the main functions. In reality, everything is not like that. Such a situation may indicate a breakdown of individual components, and also lead to rapid drainage of battery power.

What to do if the iPhone 8 screen does not turn off?

There can be many reasons why the iPhone 8 screen does not turn off. Here is a list of the most common of them:

• penetration of moisture, which damaged individual contacts of the motherboard;
• mechanical damage to the smartphone;
• poor-quality repairs or installation of non-original components;
• system error;
• software settings.

Some problems can be solved with simple manipulations. There are often cases when more serious intervention is required, involving the replacement of individual parts.

Simple measures to solve the problem

First of all, try to reboot, because some system errors can lead to similar glitches. For this:

1. Hold down the device's power button for a few seconds.
2. At the same time, press the volume down rocker.
3. Once the screen lights up, stop holding the power button first, and then you can release the volume rocker.
4. Now your phone has successfully rebooted.

If your screen is frozen in standby mode, you will need to reset the settings. Do the following:

1. Go to Settings and select the General tab.
2. Click on the "Reset" button.
3. Activate the "Reset all settings" command.
4. Analyze how the mobile device began to work.

Also, while in the “Settings” mode, check the individual “Screen and Brightness” parameters: whether the auto-lock function has been activated and whether you have disabled the “Raise to Activate” option. All these settings can influence the current situation in one way or another.

Why doesn't the iPhone 8 screen go dark?

There are several possible problems:

1. Your iPhone does not automatically turn off during a call.
2. The screen does not turn off after you receive a notification or put it into standby mode.

In the first case, your smartphone’s light sensor either came off or was simply broken. Therefore, when you bring the iPhone to your face, the smart device cannot read such information. Replace the part, especially since it is inexpensive.

Another reason for incorrect operation may be the use of a low-quality cover or protective film, which interferes with the functioning of the light sensor. Simply replace the accessories with original ones.

Also, the screen may be turned on when you are talking to a caller due to settings. Disable the “Speakerphone” mode in the “Call” menu using the speaker button. Perhaps the problem that has arisen will be solved.

In the second situation you will need:

1. Go to “Settings” and select “General”.
2. Click on the “Auto-balancing” option.
3. View the set mode. If it is set to “never”, then cancel this setting, because it is precisely this that causes the display to not go off after an SMS arrives.
4. Set the exact interval for the screen to go dark, for example, 1 minute.

If such manipulations do not lead to a positive result, try reinstalling the iOS software application. There have been cases where the screen did not work correctly due to the installation of individual applications or jailbreak tweaks. Try to remove recently downloaded plugins on your iPhone 8.

Thus, to eliminate the problem and save battery power, determine in what situation the screen on the iPhone 8 does not turn off. Try to reboot, restore the OS, or adjust the settings. In case of the previous situation, replace the light sensor.

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Constantly active backlighting during a call leads to many related problems: the battery begins to discharge quickly, extraneous buttons are pressed, and during a call there is no way to hang up the call in time.

When the screen does not go off during an IPhone conversation, you should immediately determine the cause of the breakdown and fix it, otherwise the phone may heat up excessively.

Causes of the problem

The type of repair (hardware or software) depends on the cause of the backlight problem. Let’s take a closer look at why the iPhone screen doesn’t go dark during a conversation. The following cases are identified that could cause a breakdown:

• Phone falling. Even if the phone was dropped only once and no visible damage is visible, this does not mean that they did not appear inside the case. Also, any deformation of the case can cause a malfunction of the physical parts of the device;
• A protective screen or film causes unstable operation of the sensor. All of these additional screens are made from different materials, and some of them may interfere with the sensor's ability to recognize movement. Remove the film or case and wipe the proximity sensor with a dry, clean cloth to improve its functionality. In the future, purchase case protectors made of higher quality and thinner materials;
• Poor quality repairs. You may have recently changed your camera or body. As a result of unprofessional actions of the technician, the light filter could be damaged or the replaced part could be a fake;
• A large amount of moisture gets inside the phone and condensation forms on parts. In this case, you should dry the iPhone, leaving it unassembled for a day.

Reset

In practice, there are cases when the locked screen on an iPhone does not go dark after an SMS or system notification arrives. In this case, you should simply reset your phone to factory settings. After rebooting, the device will work normally. To avoid losing user data, create a backup copy in iTunes or iCloud in advance.




Replacing the proximity sensor

The proximity sensor is a component built into the iPhone that allows you to automatically detect the user's proximity to the device during a call. When you bring the phone to your ear, the sensor automatically detects this action and the backlight turns off to prevent other keys from being pressed. A broken sensor may not recognize movements at all or detect them only once.

If software solutions do not help you fix the problem, you should replace the sensor with a new part. Please note that the original proximity sensor must have a special UV filter (its presence is indicated by a light pink coating on the sensor). Please pay attention to this feature when purchasing original components:




The location of the proximity sensor is shown in the figure below:




The sensor cannot be purchased separately. If the screen does not go dark when talking on your iPhone, you should replace the front camera. Its hardware configuration includes a proximity sensor.

The repair is that you need to detach the display module from the back of the case. Then you should unscrew the front camera plug:




Perhaps dust or dirt simply got into the sensor, so its operation was malfunctioning. If this is the case, you should clean the part using a dry cotton swab. If there is no contamination and the sensor does not work, continue the repair.

The next step is to disconnect the camera using a spudger and tweezers and replace it with a new part. This way you will get an updated motion sensor.