Turn on the phone and enter the Recovery mode (generally, press and hold the volume "-" and power button on the Android phone to enter the Recovery mode. Huawei emui should be pressed and held at the same time
Volume up key, volume down key, and power on key. Release the power off key after the phone vibrates (volume up key and volume down key remain pressed)
）There are two lines after entering:
wipe data/factory reset
wipe cache
The partition volume is selected up and down, and the power key determines
Hello! The system upgrade fails. You can only go to the RECOVERY mode for double clearingmobile phoneThe method is to first turn off the phone, press the "HOME+power on key" to enter RECOVERY, enter the WIPE option, select "restore factory data/factory res", and finally restart the phone.However, this method will lead to the loss of mobile data.
