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2.2 Functions of Keys
The mobile phone provides the following keys:
Power key
Power key situates at the right side of the phone. While using the phone, you can press this key to lock
screen; if you press and hold this key, a phone-options dialog would pop out. Here, you can select to power
on/off, restart and turn on/off airplane mode. Long press the Power key for more then 14s to restart.
Volume key
Volume key situates at the upper side of the power key. You can press it to adjust ring volume.
Smart key
The physical button on the left side of the phone is a smart button. In a specific scenario, short press
the smart button to provide certain actions or functions. Press and hold the smart button to start the set
application. You can reset the launched application in Settings -> Buttons -> Smart Button.
2.3 Functions of icons
Home icon
Touch this icon to return to the main interface.
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