lock code (if required).
Note:
If the RUIM card is invalid, the phone displays 'RUIM card rejected', please contact your network service provider.
In the instances above mentioned, press 
key to only dial emergency call.
2.6.1 Entering your RUIM card PIN Code
You can set protection code (PIN CODE) in order to prevent random using of your phone by others. Each time you restart your phone, the phone will prompt
you to enter PIN code (The default PIN is 1234). In this condition, press 
key to dial emergency call.
Input PIN code (supplied by network service provider. For security, an * will be displayed on the screen to in place of the number you enter.)
If you make a wrong enter, you can press
key to
Press 
key, and after a short time, your mobile phone will confirm its correctness and begin to register on the network. Once the network name is shown on the screen, you can call or access any of the functions of your phone. If no network name is shown on the screen, you may need to register again.
Note:
If you have entered the PIN code incorrectly continuously for max retry limits, 17
