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Chapter 10: Managing Your Phone
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10.4 Protecting Your Phone
You can protect the device from unauthorized users by requiring the PIN code or
entering a password.
Enable SIM Card Lock
When PIN code is enabled, you are required to enter the PIN code before making a
call.
1. Tap > Settings > Location & security.
2. Tap Set up cards lock.
3. Tap Slot1 card lock setting or Slot2 card lock setting.
4. Select Lock SIM card to require PIN to use the device.
5. Enter the current PIN code.
6. To change the PIN code, tap Change SIM PIN.
7. Enter the old PIN code.
8. Enter the new PIN code and confirm.
Enable Screen Lock Protection
You can increase the device security by locking the screen with a pattern, PIN or
password. When enabled, you must draw the correct unlock pattern on the screen to
unlock and regain access to the device.
1. Tap > Settings > Location & security.
2. Tap Set up screen lock.
3. Tap any of the following:
• Pattern: To draw a pattern to lock and unlock screen.
• PIN: To enter a PIN code to lock and unlock screen.
• Password: To enter a password to lock and unlock screen.
4. Follow the on-screen instructions to complete screen lock setup.
10.5 Resetting the Device
You can reset your phone to its factory defaults.
1. Tap > Settings > Privacy.
2. Tap Factory data reset.
3. Tap Reset phone to erase all data on the device.