Open the Settings app. Tap on the search bar and type scheduled power on/off. Select the Scheduled power on/off setting from the results. Tap on Scheduled power on/off again. Select one of the preset times from under Scheduled Power Off and set the time for when you want your phone to turn off. Tap on the tick mark. Press and hold the Power button and the Volume Up button simultaneously for a few seconds. When you see the Huawei logo , release both buttons. You will then be routed to the EMUI or Android Hold your palm 20–40 cm (8–16 in.) from the screen until appears at the top of the screen, then make a fist. To answer a call, or pause/resume audio/video playback using air gestures: Hold your palm 30–40 cm (12–16 in.) from the screen until appears at the top of the screen, move your palm closer to the screen, and stop when it is about Power Your Device On and Off. To power off your device, press and hold the Power button for a few seconds, touch Power off and Touch to power off. To power on your device, press and hold the Power button for a few seconds until your device vibrates and displays the logo. Check it out | how to reboot huawei. Step 1: Locate the Power button on your Huawei device. It is most probably located at the right side just below the volume button. Step 2: You need to press and hold the Power button for a while (10 to 15 seconds) or until the device screen is totally black. Step 3: Now, the device will reboot by itself. uI30E.