Lock the keys
To avoid accidentally making a call when your phone is in your pocket or bag, lock the
keys.
Select
Menu
, and press the function key.
Unlock the keys
Select
Unlock
, and press the function key.
Set the keys to lock automatically
1 Select
Menu
>
Settings
and
Device
>
Automatic keyguard
>
On
.
2 Define the length of time after which the keys are locked automatically.