Open Settings
Tap Notifications
Tap Government Alerts or Emergency Alerts
Turn off Amber Alerts
Turn off Emergency Alerts if desired
On Android, open Settings
Tap Safety and emergency or Notifications
Tap Wireless emergency alerts
Turn off Amber Alerts
On some phones, open the Messages app
Tap Menu
Tap Settings
Tap Emergency alert settings
Turn off Amber Alerts
If the option is missing, check your carrier settings or device manual