The phone is not connected with USB cable? In the closed state? Hold down the power button and the volume plus button at the same time? Release the power button when the boot screen appears? After 3 seconds, release the volume and press the key to enter the recovery mode.

After entering? Press the volume up/down keys to select the corresponding function. Press the power button to enter the selected function.

Exit recovery; ;

1, press the volume button? Is the power button ok? Select "Restart System Now" in the recovery interface to restart the phone.

2. Press and hold the power button for about 10s to forcibly restart the phone.