Lock the keys
Lock the keypad to prevent accidental keypresses.
Lock the keypad
Select
Menu
, and press * within 3.5 seconds.
Unlock the keypad
Select
Unlock
, and press * within 1.5 seconds. If requested, enter the lock code.
Answer a call when the keypad is locked
Press the call key. When you end or reject a call, the keypad locks automatically.
Further features are Automatic keyguard and Security keyguard.
See "Phone
settings", p. 18.
When the device or keypad is locked, calls may be possible to the official emergency
number programmed into your device.