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1.3 Cell phone Keyboard Introduction
(power key
）
Power off status, long press this key for starting phone.
Power on statues, short press this key for lock screen.
Power on statues
，
long press this key open corresponding
menu.
Press this key open current interface menu.
Press this key for return main menu.
Long press this key to open Google Search
Press this key to return previous screen
Press this key to exit running program.
