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Sony D2005 User Manual

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To enable touch tones
1
From your Home screen, tap  .
2
Find and tap 
Settings > Sound.
3
Mark the 
Dial pad touch tones and Touch sounds checkboxes.
SIM card protection
You can lock and unlock each SIM card that you use in your device with a PIN
(Personal Identity Number). When a SIM card is locked, the subscription linked to the
card is protected against misuse, meaning that you have to enter a PIN every time
you start your device.
If you enter the PIN incorrectly more times than the maximum number of attempts
allowed, your SIM card will become blocked. You then need to enter your PUK
(Personal Unblocking Key) and a new PIN. Your PIN and PUK are supplied by your
network operator.
To lock or unlock a SIM card
1
From the Home screen, tap  .
2
Find and tap 
Settings > Security > Set up SIM card lock.
3
Mark or unmark the 
Lock SIM card checkbox.
4
Enter the SIM card PIN and tap 
OK.
To change the SIM card PIN
1
From the Home screen, tap  .
2
Find and tap 
Settings > Security > Set up SIM card lock.
3
Tap 
Change SIM PIN.
4
Enter the old SIM card PIN and tap 
OK.
5
Enter the new SIM card PIN and tap 
OK.
6
Re-type the new SIM card PIN and tap 
OK.
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.
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