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Click the power button to turn on the screen.
Volume button
The volume button is located on the left side of the phone.
When playing music or video, press the volume button to
adjust the media volume.
Press the volume button during a call to adjust the call volume.
Press the volume button to silence the ringtone when you get
an incoming call.
Shortcut keys
You can perform quick actions using the shortcut keys.
Press and hold the power button and volume up button
simultaneously to turn off the device.
Press and hold the power button and volume down button
simultaneously to take a screenshot.
Press and hold the power button and volume down button
simultaneously to access recovery mode when the device is
powered off.
Long press the power button and volume up for 10 seconds
to force a power off.