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As the battery is being charged while the device is on, a charging icon appears
in the title bar of the Home screen. After the battery has been fully charged, a
full battery icon appears in the title bar of the Home screen.
Warning: • Do not remove the battery from the device while you are charging it
using the AC or car adapter.
• As a safety precaution, the battery stops charging before it overheats.
1.4 Starting up the device
Power on/off
To power off your phone, press & hold POWER. On release, the Phone options
menu opens. Select 'Power off' and confirm.
To power on again, press & hold POWER.
Silent mode
To silence your phone quickly, press & hold the – volume button to zero volume.
Or on the Home screen, touch
and select Settings > Sound &
notification > 'Silent' check box.
Screen sleep
After a period of inactivity, your screen will go to sleep (display will turn black).
In sleep, your phone uses less battery power. You can control this behavior:
Set screen timeout period
1. On the Home screen, touch
and select Settings.
2. Select Display > Sleep. Select a time from the menu.
Prevent sleep while charging
1. On the Home screen, then touch
and select Settings.
2. Select Developer options > 'Stay awake' check box.
Lock screen & put phone to sleep
Except when on a phone call, from any screen, press POWER (immediately).
While not on a call, to lock your control buttons and screen from accidental
touch activation, press POWER.
You can increase the security of your phone by setting 'Screen lock' pattern.
Once set, in order to unlock your screen, you'll have to draw the correct unlock
pattern. You can set your screen unlock pattern as follows:
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