Using Multiple Sim Cards; Screen Settings - Sony Xperia T2 Ultra dual User Manual

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.

Using Multiple SIM Cards

Your device works with one or two SIM cards inserted. You get incoming communication
to both SIM cards and you can select which number you want to place outgoing
communication from. Before you can use both SIM cards, you need to enable them and
select which SIM card will handle data traffic.
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
To Enable or Disable the Use of Two SIM Cards
1
From the Homescreen, 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 Homescreen, 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 Homescreen, tap
2 Find and tap Settings > Dual SIM settings > SIM card for data traffic.
3 Select the SIM card you want to use for data traffic, then tap OK.
For higher data speeds, select the SIM card that supports the fastest cellular network, such
as 3G.

Screen settings

To Adjust the Screen Brightness
1
From your Homescreen, 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 Homescreen, 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 Homescreen, tap
2
Find and tap Settings > Display > Sleep.
3
Select an option.
To turn off the screen quickly, briefly press the power key
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