Sony ST27i User Manual
To unblock a locked SIM card
1
When Enter PUK and new PIN code. appears, enter the PUK code.
2
Enter a new PIN code and tap OK.
If you enter an incorrect PUK code too many times, the SIM card becomes blocked. If this
happens, contact your service provider to get a new SIM card.
Setting a screen lock
To set a screen lock
1
From your Home screen, tap > Settings > Security > Screen lock.
2
Select an option.
To create a screen unlock pattern
1
From the Home screen, tap .
2
Find and tap Settings > Security > Screen lock > Pattern.
3
Follow the instructions in your device. You are asked to select a security
question that will be used to unlock the device if you forget your screen unlock
pattern.
To unlock the screen using a screen unlock pattern
1
Activate the screen.
2
Draw your screen unlock pattern.
If the unlock pattern you draw on the screen is rejected five times in a row, you can select to
either wait 30 seconds and then try again, or to answer the security question you have
selected.
To change the screen unlock pattern
1
From your Home screen, tap .
2
Find and tap Settings > Security > Screen lock.
3
Draw your screen unlock pattern.
4
Tap Pattern.
5
Follow the instructions in your device.
To disable the screen unlock pattern
1
From your Home screen, tap >
Settings > Security > Screen lock.
2
Draw the screen unlock pattern.
3
Tap Swipe.
To create a screen unlock PIN
1
From your Home screen, tap > Settings > Security > Screen lock > PIN.
2
Enter a numeric PIN.
3
If necessary, tap to minimise the keyboard.
4
Tap Continue.
5
Re-enter and confirm your PIN.
6
If necessary, tap to minimise the keyboard.
7
Tap OK.
To disable the screen unlock PIN
1
From your Home screen, tap > Settings > Security > Screen lock.
2
Enter your PIN, then tap Next.
3
Tap Swipe.
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