Why does your phone turn off or restart automatically?

1. Check whether the battery of the mobile phone is sufficient.

Please keep your phone fully charged, low battery will cause automatic shutdown, it is recommended to charge it in time when the battery is about 20% left.

2. Check whether the power button and volume button are touched by mistake.

If the power button and volume button are stuck in the case, or if they are squeezed in the pocket for more than 12 seconds, it may cause the phone to restart, please be careful to avoid squeezing the buttons.

3. Check your phone settings.

Go to Settings - Quick & Auxiliary - Timing Tasks - Timing Power On and Off to see if the timer power on and off task is set.

4. Check whether the mobile phone is in an environment where the temperature is too high or too low.

If the temperature is too low or too high, the low temperature or high temperature protection function of the mobile phone will be triggered, resulting in automatic shutdown or restart. Please try to keep your phone at an ambient temperature of 0 35.

5. Uninstall incompatible software.

If you have installed the software through a non-app store, it may be incompatible and cause the phone to shut down or restart, it is recommended to back up the app data and uninstall the software before trying.

6. Check whether the storage space is sufficient.

It is recommended to use iManager to clean up the storage space of the mobile phone in time, and uninstall the software that is not commonly used to keep the remaining storage space at more than 20%.

7. Reset all settings.

Note: Restoring all settings will not delete any data or ** files, only all settings of the phone will be restored, some third-party application accounts need to be re-logged in, please confirm that it does not affect the use of the software before operating, if there is important data It is recommended to back up in advance;

8. Repair the system.

Enter"System Repair Mode", and then tap"Install the system software"Enter"Networking updates to the latest version", click"OK"(It is recommended to connect the charger) - Connect to the available wifi, when the upgrade package is detected, tap"** and install"Update your phone's system.

Ways to enter System Repair Mode:

Models released before September 2017 (models before x20): Press Shutdown status"Power button"with"Volume up key"Enter recovery mode;

Models released after September 2017 and new models (X20 and later): Press Shutdown status"Power button"with"Volume up key"Enter fastboot mode, then enter recovery mode through the menu selection, select: install system software, and then select:

Networking updates to the latest version

NEX 3 NEX 3S: Press and hold the top round button for about a second in the shutdown state, then press and hold the volume up button to enter fastboot mode, press the volume down button to move to"Go to Recovery", press the power button to confirm to enter recovery mode.

9. Service center testing.

If the above methods fail to solve your problem, please back up your mobile phone data in advance, bring your mobile phone and purchase voucher to the vivo customer service center for testing, pay attention to WeChat *** "vivo" or "vivo customer service" to inquire about the service center address**, it is recommended to contact before going to ensure that there is a staff to receive you and then go over, so as to avoid delaying your precious time and letting you run in vain.

Check the battery, or check the power contact, if there is no problem, it is basically not recommended to repair it, it is not worth it.

The phone shuts down and restarts by itself, which may be a bug in the mobile phone system, and you can try to upgrade the system to solve it; It may be caused by a virus in your phone.

If there is nothing wrong with the phone, it will automatically shut down and restart when the system is upgraded, or you can see if you have set fixed shutdown and boot settings.

First check whether the battery is in good condition, if there is no problem with the battery, it is a problem with the motherboard chip, and the poor heat dissipation effect causes damage to a certain part of the motherboard.

Explain the chip of the mobile phone, there is a bit of a problem. Some will become normal after a period of time.

Precautions for the use of the equipment:

1.Try to avoid using your phone in low, high, or large temperature differences. The mobile phone has a built-in temperature protection function, the temperature of the whole machine is too low may trigger low temperature protection, the temperature of the whole machine is too high may trigger thermal protection, and the temperature is too high or too low will cause automatic restart.

2.Observe whether the buttons of the device are stuck, and the power button will be squeezed for more than 10 seconds, and the device will automatically restart.

If you are using a Huawei phone and your phone restarts automatically, try the following methods:

1.Try Smart Detection.

Please enter the service app, click "I want to test" to enter the detection, and intelligently detect the mobile phone. If a hardware problem is detected, back up your data (third-party apps such as QQ and WeChat must be backed up separately) and then bring your purchase voucher to the Huawei Customer Service Center for testing.

2.Check if an incompatible application is running.

1) If you have recently installed some incompatible applications through non-HUAWEI AppGallery channels, we recommend that you uninstall the application software and try it.

3.Try a system repair or factory reset operation.

Huawei Customer Service Center.

Repair spare parts** inquiry.

Boarding service.

Hello! It may be caused by a system failure, it is recommended that you restore the factory settings to try it, if the system is still restarted frequently after restoring, it may be a hardware problem, it is recommended that you go to the master who repairs the mobile phone to check it.

You need to back up the important data on your phone first, and then restore your phone again and try again.

First of all, make sure that the mobile phone system is abnormal, you can flash the test, if the problem is still there, please disassemble the machine to check whether the original power supply circuit is false soldering and damage.