When you're not using your phone, the keys and screen lock automatically after a
while. You can set the length of the delay.
Set how long before the keys and screen lock
1 Select
> Settings and Phone > Display > Screen/keylock time-out.
2 Set the length of time after which the keys and screen are locked automatically.
Set your phone to lock automatically
Want to protect your phone against unauthorised use? Create a security code, and
set your phone to lock itself automatically when you're not using it.
1 Select
> Settings > Phone > Phone management and Security settings >
Phone and SIM card.
2 Select Phone autolock period > User defined, then set how long before the
phone locks itself.
3 Create a security code using at least 4 characters. You can use numbers, symbols,
and upper and lower case letters.
Tip: To type in letters or symbols, press and hold #.
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