If you enter wrong PUKs for a specified number of times
consecutively, the SIM card is invalidated permanently. Contact
your service provider for a new one.
Locking the Keypad
When the keypad is locked, you can still answer incoming calls or
make emergency calls by pressing Send key.
1. Press and hold # key to lock the key pad.
2. Press Left soft key, and then press Right soft key to unlock the
keypad.
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