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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. 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 off, reboot or turn
on/off airplane mode.
Volume key
Volume key situates at the right side of the phone. You can press it to adjust ringer volume.
2.3 Functions of icons
Menu icon
Touch this icon to access options of a selected function;
Home icon
Touch it to open home screen. If you’re viewing the left or right extended Home screen, touch it can
enter the home screen.
Back icon
Touch this icon to return to the previous screen;
