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Method 1: If the phone is turned on, please turn it off first, and in the case of power off, press and hold the power button + home button at the same time until the recovery interface appears.
Method 2: If the above methods cannot be entered, then turn on the computer again, first press and hold the volume + button, and then press and hold the power power button until the recovery interface appears.
Recovery flash, the steps are as follows:
Flash the ROM from the corresponding mobile phone on the Internet, and then copy it to the root directory of the SD card, the ROM is in ZIP format (you can open it to verify it, the ZIP package must have meta-inf This folder is the flash package, but do not change the files in the ZIP package), do not unzip. After the copy is complete, you can disconnect the phone and the computer.
Shut down the computer completely (it is best to pick the battery after shutting down), and then enter the recovery interface through the special button combination.
Select the third item, wipe data factory reset, press the power button to confirm, and then press yes with the selected yes; Then select the fourth item, wipe cache partition, press OK, and select yes to OK. (This is the legendary double WIPE, friends who know about flashing must have heard of it).
Select the fifth option, install zip from sdcard, press the power button to confirm, then select the second option, choose zip from sdcard, press the power button to confirm, then select the rom flash file, press the power button to confirm, and then select yes and press the power button to confirm to start flashing.
After brushing, that is, the interface after the progress bar is finished, return to the main interface of recovery. At this time, select Reboot System Now and press the power button to restart the phone. The first reboot takes a long time, so be patient! That's the end of flashing.
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It may be a hardware problem, such as the battery, the non-original battery, which may not be compatible with the mobile phone and will also cause a restart. At this time, you need to replace an original battery to try, if it still can't solve the problem, it is not a problem with the phone battery.
The easiest way to solve the conflict between software and software or software and hardware is to restore the factory value, and then observe whether there is still a problem with the phone without installing any software, if there is, it is not a software problem.
Poor contact of the battery contacts can also cause this situation, the solution: open the back case, it is recommended to adjust the position of the contacts by yourself with a needle.
1. Equipped with automatic on/off software, it will automatically turn on or off every day.
Solution: Adjust the automatic book-opening time of the software or delete it.
Second, the battery is not powerful, some batteries may be insufficient after a long time, and the electric group posture required when the mobile phone is turned on is relatively large. I'll give you an example: My xiaomi used the battery I bought from the stall like this, and it was restarted as soon as it was turned on, and it wouldn't be with the original one, and then I opened a xiaomi accessories ** store, and with the battery in my own store, it can be used for about a day and a half like the original; Easiest, buy a new battery.
3. The mobile phone software is not compatible with the system, some mobile phone software may not be compatible with the system, if it is the software that starts automatically at boot, it may cause the phone to restart automatically when it is turned on. Or there are too many programs to start at boot, and the phone will automatically restart as soon as it is turned on and can't stand it. Remove incompatible software and disable some programs from booting up.
Fourth, the problem of the mobile phone system, this problem is easier to solve, just find a better system to brush up.
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There could be several reasons for this:
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