71Chapter 17 . Settings
4. Tap Back button to verify the settings.
• Use fingerprint as app lock method
1. To use fingerprint as app lock method, you need to add fingerprint and enable fingerprint
verification first.
2. Tap App lock, place your fingerprint on the sensor to enter App lock.
3. In the UNENCRYPTED APPS list, turn on the switches next to the apps that you want to
encrypt.
4. Tap Back button to verify the settings.
Change App lock password
1. Tap App lock, and then use the app lock method (either pattern, PIN, password or fingerprint)
to unlock.
2. Tap > Change password.
3. Choose another app lock method and follow the onscreen instructions to change the password.
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. 11 System navigation
On the Home screen, tap 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.
Gesture navigation
1. Select Gesture navigation (recommended) as the navigation mode.
2. Use the following gestures to control your phone:
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