Enable Device Lock:

  1. On the home screen, swipe the “Notification” bar down
  2. Access “Settings
  3. Scroll to and tap “Display
  4. Tap “Lock screen” > “Select lock screen
  5. Choose one of the available lock screen options and follow the on-screen steps to set the desired lock screen

Change Device Lock PIN:

  1. Go to “Settings
  2. Tap “Display” > “Lock screen
  3. Tap “Select screen lock
  4. Select “PIN
  5. Enter the new PIN and tap “Continue
  6. Enter the new PIN again and tap “OK” to confirm

Change Device Lock Password:

  1. Open the “Settings” menu
  2. Tap “Display” > “Lock screen
  3. Tap “Select screen lock
  4. Tap “Password
  5. Enter the new password and tap “Continue
  6. Enter the new password again for confirmation and tap “OK

Disable Lock Screen Settings:

  1. Open the phone’s “Settings” menu
  2. Tap “Display
  3. Tap “Lock screen” > “Select screen lock
  4. Choose “None” and, if necessary, follow the on-screen instructions to enter the current password / PIN

Turn Emergency Alerts On or Off:

  1. Tap “Messaging” on the home screen
  2. Press “Menu
  3. Access “Settings
  4. Scroll to “Advanced settings” and tap “More
  5. Tap “Emergency alerts
  6. Enable or disable “Imminent extreme alerts”, “Imminent sever alerts” and / or “AMBER alerts

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

See More: LG X Screen: Manage Device Lock and Emergency Alert Settings