Enable Device Lock:

  1. On the home screen, drag the “Status” bar down
  2. Access “Settings” in the upper-right corner of the screen
  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 prompts to complete the setup

Change Device Lock Password:

  1. Access the phone’s “Settings” menu
  2. Tap “Display” > “Lock screen”
  3. Tap “Select screen lock”
  4. Select “Password”
  5. Enter the new password and tap “Continue”
  6. Enter the new password again to confirm, and tap “OK”

Change Device Lock PIN:

  1. Swipe the “Status” bar down on the home screen and access “Settings”
  2. Tap “Display” > “Lock screen”
  3. Tap “Select screen lock” > “PIN”
  4. Enter the new PIN and tap “Continue”
  5. Enter the new PIN a second time to confirm and tap “OK”

Disable The Lock Screen:

  1. Access the phone’s “Settings” menu
  2. Tap “Display”
  3. Tap “Lock screen” > “Select screen lock”
  4. Tap “None”. If necessary, follow the on-screen prompts to complete the setup

Enable / Disable Emergency Alerts:

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

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


See More: LG G5: Change Device Lock and Emergency Alerts Settings