What should I do if the phone screen does not light up when the call comes in, and the phone screen

This is a black screen phenomenon, and the reasons for the black screen of the phone are as follows:

1. The phone is overheated: After opening too many programs, the CPU load of the phone is too high, the phone is hot, and the screen is not powered enough to cause a black screen, so it is recommended to close other programs running in the background;

2. Imperfect jailbreak: When imperfect jailbreaking, sometimes there will be bugs such as black screen.

3. Cable failure or poor contact: If the black screen cannot be removed after eliminating the above reasons, and the cable fault is suspected, it is recommended to go to the mobile phone after-sales point for inspection and repair;

4. It is also possible that you have turned on the call interception function.

Is your phone Android?

Are you flashing the phone?

I've been in this situation before.

It's the rom's problem.

It is recommended that you find a reflash that suits your phone (the right rom doesn't just look at the phone model.

You've got to finish brushing it. Use it for a while.

to know. I brushed it up to 4 times a day).

Open the phone settings Okay, enter the system app settings, and select **. Then go to the status page when the call comes in and find the proximity sensor to be enabled If the switch next to your wife is on, select Off.

2. After opening the tool page, choose to click the "Settings" option, 3. After entering the settings interface, choose to click the "Status Bar and Notifications" option, 4. Finally, turn on the switch button behind the "Bright Screen Reminder".

If the screen of the incoming phone does not light up, it may be that your phone is malfunctioning.

Because unless you turn on the airplane mode, or some other reasons, generally call and call, the phone screen will automatically light up, even if you turn off the sound, turn off the jitter mode, he will also light up, he does not light up, generally can only be the fault of the system, it is recommended that you can take the phone to the local repair point, to check it, if so, it is recommended to repair it as soon as possible, if it is for other reasons, it can also help you solve it as soon as possible.

Reasons and solutions for mobile phone screen not to light up.

This is because Xiaomi phones have a proximity sensor on the top, and when you are talking and the top of the screen is blocked, the screen will go black. When there is no covering, it will be lit. This is to achieve the purpose of saving electricity. All major touchscreen phones have this feature.

If your phone has a black screen when the proximity sensor is not obstructed when you are talking, it is recommended that you restart your phone and try to see if it is normal. Or check to see if your protective film is blocking the proximity sensor above.

Still can't work, it is recommended that you try the following operations in the normal state of your phone:

1. You calibrate the proximity sensor.

Enter * on the dial-up screen

2.Select the twelfth item "Proximity Sensor Test" in the hardware test that pops up

3.Click Start Calibration (Note: Do not obscure the proximity sensor during calibration).

4.The calibration passed, and it was successful! (You can dial and set the anti-false touch mode to test whether it is normal).

5. If the calibration fails, you can tear off the film on the right side of the MI character and try to recalibrate it.

6. Try to restore your backup to factory settings.

Back up data: Go to Security Center > Backup > Create Backup, and select all data for backup, which usually takes 3-5 minutes. Factory Reset:

Tap the phone menu key - System Settings - All Settings - Backup & Reset - Factory reset - Turn on Delete Apps, turn off Format SD card, and click Reset Phone below.

7. If you don't need this function of the proximity sensor, you can turn off and enable the proximity sensor in the call-menu key-settings-status setting when calling.

2. After opening the tool page, choose to click the "Settings" option, 3. After entering the settings interface, choose to click the "Status Bar and Notifications" option, 4. Finally, turn on the switch button behind the "Bright Screen Reminder".

What should I do if my phone is covered by oil?

Troubleshooting method for screen not lighting up when vivo phone calls come in:

1. Turn off Do Not Disturb Focus mode.

Go to Settings - Sound & Vibration Sound Vibration & Mute - Focus Do Not Disturb - Turn off the function. If the function is turned on, the screen will not turn on when the call is made.

2. Check whether the position of the infrared sensor is blocked by the finch slippery track.

If there is oil stains, or if you use opaque film (non-original film) or non-original protective case, it may block the infrared sensor and cause the function to fail. It is recommended that you remove the oil, remove the protective case or opaque film, and use the official standard protective case.

Infrared sensor window location View method: Go to Settings - System Management - Customer Service - User Manual - Mobile Phone Overview and Quick Start - Introduction to Mobile Phone Appearance - Light Sensitive & Infrared.

3. Check whether the system is up to date.

The new version improves compatibility and stability, go to Settings - System Upgrade, it is recommended to observe after upgrading the system.

4. Service center testing.

If the above methods fail to solve the problem, please back up the mobile phone data in advance, bring the mobile phone and purchase voucher to the vivo customer service center for testing, customer service center address: enter the vivo official website vivo**app - my - service outlets or vivo official website - slide down the bottom - service support - service outlets query - select the province and city to query the customer service center address. It is recommended to contact ** in advance before going to avoid running empty, plan your itinerary reasonably, and travel safely.

In general, it is caused by the phone turning on Do Not Disturb mode.

1. Find the settings icon on the main interface, and click to enter the settings interface.

2. In the phone settings list, find "Do Not Disturb", and click to turn it off.

3. On the DND interface, turn off the DND open and slide knob below to complete the operation.

If your Samsung phone doesn't turn on the screen or the screen doesn't show up when a call comes in, follow these steps:

1.Restart your phone and try it.

3.Please uninstall the recently installed third-party software and restart your phone.

4.Back up your data and try to do a factory reset.

If the problem persists, it is recommended that you bring the purchase invoice, repair card and mobile phone to the local Samsung service center for professional engineers to help you test.