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roaming protocol with the original network you have been in.
Network selection:
New search: Start to find the network again.
Select network: Select the network which you prefer.
Selection mode: Press the Dial key to choose Done or press the Hung_Up key to
exit the submenu.
Preferences:
Pre-store several networks you prefer.
3.5.4 Security settings
SIM security settings:
SIM lock:
You can set security options in this menu to avoid illegal operation of the mobile phone
or SIM card.
PIN code: PIN code can prevent you SIM card from illegal operation.
If the PIN code is disabled, choose Enable and you can start PIN code protection.
The mobile phone will ask you to enter PIN code the next time you turn on the
phone. If the PIN code is enabled, choose Disable and you can stop PIN code
protection. Choose Change PIN code and you can set new PIN code. Please input
old PIN code, new PIN code and repeat new PIN code according to the prompt.
Note: If you enter invalid PIN code for three times consecutively, the SIM card will be
locked and you need PUK code to unlock the SIM card. The PIN code and PUK code
may be provided together with SIM card. Please contact your network operator if not.
The default PIN code is 1234. Please change it into your own private password as soon
as possible.
