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To unlock a blocked SIM card using the PUK code
1
Enter the PUK code and tap .
2
Enter a new PIN code and tap .
3
Re-enter the new PIN code and tap .
If you enter an incorrect PUK code too many times, you need to contact your network operator
to get a new SIM card.
Screen settings
To adjust the screen brightness
1
From your Home screen, tap
.
2
Find and tap Settings > Display > Brightness.
3
Unmark the Adapt to lighting conditions checkbox if it is marked.
4
Drag the slider to adjust the brightness.
Lowering the brightness level increases battery performance.
To set the screen to vibrate on touch
1
From your Home screen, tap
.
2
Find and tap Settings> Sound.
3
Mark the Vibrate on touch checkbox. The screen now vibrates when you tap
soft keys and certain applications.
To adjust the idle time before the screen turns off
1
From your Home screen, tap .
2
Find and tap Settings > Display > Sleep.
3
Select an option.
To turn off the screen quickly, briefly press the power key
.
Smart backlight control
The smart backlight control keeps the screen on as long as the device is held in your
hand. Once you put down the device, the screen turns off according to your sleep
setting.
To turn on the Smart backlight control function
1
From your Home screen, tap .
2
Find and tap Settings > Display > Smart backlight control.
3
Drag the slider beside Smart backlight control to the right.
Daydream
Daydream is an interactive screen saver that automatically displays colours, photos
or a slideshow while your device is docked or charging and the screen is idle.
To activate the Daydream screen saver
1
From your Home screen, tap
.
2
Find and tap Settings > Display > Daydream.
3
Drag the slider beside Daydream to the right.
To select content for the Daydream screen saver
1
From your Home screen, tap
.
2
Find and tap Settings > Display > Daydream.
3
Drag the slider beside Daydream to the right.
4
Select what you want to display when the screen saver is active.
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