From the Home screen, swipe up to view your apps.
Tap the Settings icon.
Scroll to General management.
Tap General management.
Tap Reset.
Tap Reset all settings.
Resetting your settings will reset all customized settings on your phone. Personal information will not be deleted.
Tap Reset settings.
Resetting your app preferences will reset all customized settings on your phone. Personal information will not be deleted.
Tap Reset.
You've completed the steps!
