What should I do if my Huawei phone has a black screen in use?

If the Huawei phone has a black screen in use, you can press the power off button and then turn it on.

Here's how to fix the sudden black screen of your Huawei phone:

1. It is recommended to restart the phone to try: Press and hold the power button and the down volume button at the same time to restart the device.

3. If it comes with the system software, it is recommended to update the system version of the mobile phone.

5. If the problem still exists, it is recommended to bring the purchase invoice, warranty card and mobile phone to the local mobile phone purchase office for repair or to a nearby mobile phone repair shop for repair.

If you want to use the mobile phone effectively, you must communicate with the technician in time to repair it, so you can achieve good results, so you should pay more attention to it when you usually use the mobile phone.

1. Conduct a self-test on your phone. Most brand phones have a deep sleep mode, and once you enter this mode, it often causes the phone to go black and cannot be turned on.

Solution: Press and hold the power button of the phone for more than 10 seconds to see if you can force restart. Or press and hold the volume up button and the power off button at the same time, and feel the phone vibrate and force restart. Generally speaking, this step can solve the problem of black screen on most mobile phones.

2. The battery is dead or malfunctioning. Solving this problem is as simple as connecting the charger for a while and then trying to turn it on. You can also directly buckle the battery and charge it with a universal charger to see if the connector of the battery is loose.

If it can be turned on after charging, it means that the battery is just dead. If it still doesn't work, you can try a different battery. Check if the battery is faulty and no longer has power.

3. In addition, a violent fall on the mobile phone may also cause the mobile phone to have a black screen. This is a troublesome situation, and it is likely that the hardware of the phone is malfunctioning, so it will have to be repaired.

Extended Information: Common troubleshooting of mobile phones:

Symptom: The phone crashes.

1. There are too many programs running in the background.

Open an app, after using it, most people return to the desktop of the phone by pressing the back button of the phone, thinking that this is to quit the app, but in fact there is no real exit from the app. As a result, more and more apps run quietly in the background over time, and when the number reaches a certain level, it will cause the phone to crash.

Many people will be too lazy to upgrade the app, but when the app version is too low, it will be incompatible with the mobile phone system. In the same way, when the mobile phone system version is too low, it will not be able to meet the requirements of APP operation. As a result, there will be a flashback.

3. Mobile phone poisoning.

Mobile phone application software installed from unknown channels** may carry malicious **, resulting in mobile phone poisoning or interception by anti-virus software.

4. Software conflicts.

There are too many software installed on the phone, and due to the different degrees of optimization of each, it is easy to have conflicts and crashes. In particular, if there are too many installations of the same type of software, this phenomenon is more likely to occur, after all, there is a competitive relationship between each other.

Solution: Check your phone once in a while, and uninstall some apps in time if you don't use them. Try not to install too much software of the same type, and it is recommended to replace it with a small program if you use it occasionally.

This is mainly for Android phones, due to the characteristics of the Android system, the phone will produce more and more cache files, and the phone will crash when it exceeds a certain load.

Solution: Regularly clean and accelerate the mobile phone, and clean up the application software that occupies a large amount of memory.

1. Check whether the mobile phone battery is still charged, first connect the mobile phone to the charger for charging for 20 minutes, and then turn it on, and rule out the reason that the mobile phone cannot be turned on because it is out of power. If the phone battery is dead and can't be turned on, it can be turned on after charging.

2. If the battery is charged, enter the "recovery mode" for "factory reset". Press and hold the power button and the volume + button at the same time, and press and hold for about 10 seconds to enter the recovery operation interface.

3. Use the volume + key and volume - key to move up and down, select the "wipe data factory reset" command, which means "erase all data" in Chinese, and then select the yes - delete all user data command, which means "yes - erase all data" in Chinese, and confirm to start the factory reset.

4. After finishing, select the "reboot system now" command to restart the phone.

5. If the system files are not damaged, you can use this method to boot up. If this method does not work, then the system is damaged, and it is recommended to take the phone directly to a Huawei professional repair shop for repair.

Force shutdown and restart to try, if it still can't be restored, you can only send it to the repair to solve it.

The phone black screen can't turn on the solution:

1. In the power-off state, press and hold the power button and the side volume button down button at the same time to turn on the phone.

2. Press and hold the volume button down for about 15 seconds until the phone screen shows the Android icon and the phone enters recovery mode.

3. Tap the bottom right corner of your phone's screen, and a menu option will appear.

4. Press the lower button of the side volume button to display "Wipe Data Factory Reset", and then tap OK in the lower left corner of the screen.

Press the volume button on the side of the screen to display "yes--delete all user data" in the reverse color, and then tap OK at the bottom of the screen to erase all user data stored on the phone.

5. Press the side volume button and the lower button to display "Wipecache Partition" in the reverse color, and then tap OK in the lower left corner of the screen to clear the cache partition in your phone.

6. Press the volume button on the side to display "Reboot System Now" in the reverse color, and then tap OK in the lower left corner of the screen to restart the phone system.

What should I do if my Huawei phone has a black screen? If the screen is black, restart it and try it.,If you still don't believe it, it's estimated that you'll have to change the screen.。

The screen of the Huawei mobile phone suddenly went black in use, either there was a problem with the system of the mobile phone, or there was a problem with the Huawei mobile phone, you can go to Huawei's after-sales service for repair, is it a problem with the product itself or in the process of use, uh, the system shares the problem.

If the screen suddenly goes black in use of Huawei mobile phones, the first thing to consider is whether the battery is not powered, if the battery is charged, it should be a loophole in the system.

Force restart phone recovery;

FunTouch OS and later models: Press and hold the "Power button" + "Volume Down button" at the same time for more than 10 seconds;

You need to dry the water that goes into your phone.

This would have required pressing and holding the volume down button and the power button at the same time for more than 10 seconds) to force restart the phone.

1.Check whether the screen is black in the following scenarios:

The phone screen goes black during a call. In order to increase the battery life of the mobile phone, during the call, if the distance sensor is blocked, the mobile phone will automatically turn off the screen, and the screen will be turned on again after being far away.

The phone reaches the set sleep time. The screen will automatically turn off when the phone reaches the set sleep time, and manually turn on the screen when you re-enter.

2.Check if there is an abnormality when using the phone while charging:

This condition can cause the phone to overheat, which can cause an abnormality. It is recommended that you try to avoid playing with your phone while charging.

3.Check your phone storage:

Please check the remaining storage space of your phone, if the storage space is less than 10%, the system performance will drop sharply, it is recommended that you ensure that the storage space of your phone is as much as possible, it is recommended to reserve 20% space.

How to view: Go to your phone's settings, search for storage, and check the available space and remaining space. If you have less space left, we recommend that you open Phone Manager, select Cleanup Acceleration, and clean up some unused files or apps.

4.Confirm that you are running an incompatible application:

Multiple apps running in the background can take up too much memory or other resources, and the phone may be overloaded. It is recommended that you try to avoid running multiple applications at the same time.

Some third-party apps are not compatible with the system, which may cause the phone to freeze, the system to freeze and cause a black screen or restart, it is recommended that you go to the latest version of the app market ** and update the phone system to the latest version. Please back up important data (QQ and WeChat need to be backed up separately).

5.Check the system version:

It is recommended that you check whether the system version of your mobile phone is the latest version, go to Settings, search for software update, and then click Check for updates, if not, it is recommended that you upgrade the system to the latest version, and please back up important data (QQ, WeChat need to be backed up separately).

6.Confirm whether system files have been deleted by mistake

When the system is running, it cannot find the corresponding file, which causes confusion and causes the phone to malfunction. Try restoring the system version of your phone via Huawei Phone Assistant or eRecovery.

7.Confirm that you have a microSD card installed

Please check if the problem persists after reinserting the microSD card. If the problem is not there, it may be a poor contact, and if the problem persists, it may be that the microSD itself is damaged or incompatible with the phone system. It is recommended to replace a high-quality microSD card.

8.Still can't solve it?

It is recommended to charge the phone first, charge it for a while and try to turn it on again, if the screen is still black, then go and test it.

The screen suddenly goes black during use, and it may be out of power. Plug the charger in and give it a try, if the reboot doesn't already exist. **In this case, it is recommended to go to an official location for repair.

When you use your mobile phone, the screen suddenly goes black, it means that there is a problem with your mobile phone, it may be that the parts of the ** are loose, and there will be problems with smartphones after a long time. Even if the screen doesn't go black, it will run slowly.

If the black screen of the Huawei mobile phone is occasionally black, there is no problem, it may be that the memory is too small to run and do not move to cause the black screen, but if the old black screen is old, it means that there is a problem with the program in you, and you should re-flash the phone.

It may be caused by too many applications, causing lag, system crash, or something wrong with the system.

What should I do if my Huawei phone has a black screen in use? I think there's a reason for the black screen, as long as you get it to Huawei, it's all solved.