Operation Manual

71Chapter 17 . Settings
Set up SIM card lock
Enable SIM card lock to prevent others from using your SIM card. You will need to enter your SIM card PIN each
time you turn on your phone or insert your SIM card into another phone.
1. Contact your local carrier to get the default SIM PIN for your SIM card.
2. Tap SIM card lock, and select a SIM card.
3. Tap Lock SIM card, enter the SIM PIN and tap OK.
Change SIM PIN
1. To change a SIM PIN, you need to set up a SIM card lock first. See Set up SIM card lock.
2. Tap SIM card lock, and select a SIM card.
3. Tap Change SIM PIN, enter the old SIM PIN and tap OK.
4. Enter a new SIM PIN twice, and tap OK.
Note:
When you change you SIM PIN for the first time, contact your local carrier for the default SIM PIN (old SIM PIN).
Remove SIM card lock
1. Tap SIM card lock, and select a SIM card.
2. Tap Lock SIM card, enter the SIM PIN you have set before, and then tap OK.
17. 13 System navigation
Go to Settings -> System navigation, and then you can choose one of the following navigation modes as
desired:
Navigation buttons
1. Select Navigation buttons as the navigation mode.
2. Select a button setting, and then the virtual buttons on your screen will change as desired.
Navigation gestures
1. Select Navigation gestures as the navigation mode.