Why does the mobile phone always turn off automatically? Is it the battery or the phone?

I'll tell you for sure, it's your motherboard that's broken. I used 6120c This problem has appeared 2 times, and it has been fixed, and mine is still under warranty so I don't need money.

What is the reason why your phone is taken for repair, and is it also because it often shuts down automatically? If the battery can be turned on, it is definitely not the cause of the battery. It's a problem with the phone, and you can take the line you just changed to the repair department and check it for you.

Also, your battery should be able to be replaced with a drum for 2 years.

It may be that the battery is in poor contact Maybe it would be good to wipe the contact piece with an eraser.

2 It's all related. Either it's bad contact. Either there's a problem with the motherboard or battery.

It may be a problem with your battery, and there are too many junk files on your phone itself, just clean it up.

The battery is broken, it is not fully charged, although it looks full, but it is already a very low power.

There may be the following reasons why your phone will automatically shut down:

1. The phone is out of battery, please charge or replace the battery;

2. If the battery and the mobile phone are in poor contact, the battery can be removed and reinstalled;

3. Set up automatic power off, please check the phone settings and cancel the settings to try again;

Fourth, if the mobile phone fails, you can take it to the mobile phone after-sales maintenance department to check it.

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 select recovery mode through the menu, 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 check Hu and return to 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.