Lock the keypad
, and press * within 3.5 seconds to lock the keypad.
Unlock the keypad
, and press * within 1.5 seconds. If the security keyguard is activated, enter
the security code when requested.
Set automatic keypad lock
, and set the length of
time, after which the keypad locks.
Answer a call when the keypad is locked
Press the call key. When you end or reject the call, the keypad locks automatically.
When the device or keypad is locked, calls may be possible to the official emergency
number programmed into your device.