You can forward calls that come in on SIM card 1 to SIM card 2 when SIM card 1 is
unreachable, and vice versa. This function is called Dual SIM reachability. You must
enable it manually. See
Forwarding calls
on page 60 .
To enable or disable the use of two SIM cards
1
From the Home screen, tap
.
2
Find and tap Settings > Dual SIM settings.
3
Drag the sliders beside SIM1 and SIM2 to the right or left.
To rename a SIM card
1
From the Home screen, tap
.
2
Find and tap Settings > Dual SIM settings.
3
Select a SIM card and enter a new name for it.
4
Tap OK.
To select the SIM card that handles data traffic
1
From your Home screen, tap
.
2
Find and tap Settings > Dual SIM settings > SIM card for data traffic.
3
Select the SIM card that you want to use for data traffic, then tap OK.
For higher data speeds, select the SIM card that supports the fastest mobile network, for
example, 3G.
Screen settings
To adjust the screen brightness
1
From your Home screen, tap
.
2
Find and tap Settings > Display > Brightness level.
3
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 & notification > Other sounds.
3
Drag the slider beside Vibrate on touch to the right. 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 to the right.
Screen pinning
Use screen pinning to set your device to display only the screen for a specific
application. For example, if you are playing a game and you accidentally touch the
Home navigation key, the screen pinning feature prevents the active game app
44
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