Enable / Disable Device Lock:

1. Tap “Apps” on the home screen
2. Go to “Settings”
3. Scroll to “Personal”
4. Tap “Security” > “Screen lock”
5. Select an available lock screen option, and follow the on-screen steps to set it up
6. To disable device lock, select “None”

Change Device Lock PIN / Password:

1. Open the apps drawer
2. Launch “Settings”
3. Scroll to “Personal”
4. Tap “Security” > “Screen lock”
5. Tap “Password” or “PIN”
6. Enter and verify your PIN / password
7. Tap “OK”

Manage Emergency Alerts:

1. Tap “Apps” on the home screen
2. Open “Settings”
3. Tap “More” under “Wireless & networks”
4. Tap “Emergency alerts”
5. Enable or disable the desired alert types

NOTE: Presidential alerts are enabled by default and cannot be disabled.