Restart the phone normally
Press and hold the Power button
Tap Restart
If Restart is not available, tap Power off
Turn the phone back on after a few seconds
Make sure no volume buttons are stuck
Remove the phone case if it presses any buttons
Check for stuck or damaged hardware buttons
Uninstall any recently installed apps
Clear the cache partition if your device supports it
Remove and reinsert the battery if the phone has a removable battery
Update the phone software
Factory reset the phone if Safe Mode keeps returning