Safe Mode - Samsung Galaxy S III

Safe Mode temporarily disables all applications that have been installed via the Android Market. Performing this troubleshooting step is necessary to determine whether a 3rd party application is the cause of an Operating System / Application issue. Safe Mode should always be performed prior to a hard (factory) reset.
With Safe mode enabled, test device and application functionality. If the previous issue fails to occur, the cause has been isolated to a 3rd party application and all recently installed / updated applications should be uninstalled. With Safe mode disabled, reinstall then test each application, one at a time, to identify which is causing the problem.
Enable Safe mode
Disable Safe mode


Enable Safe mode

1. Ensure the device is powered off.
   1. To power off, press and hold the Power button.
      
   2. Select Power off.
      
   3. Select OK.
      Allow several seconds for the device to power off.
      
2. Press and hold the Power button until the Samsung logo appears then release.
   
3. With the Samsung logo on-screen, press and hold the Volume down key.
   
4. Continue to hold the Volume down key until Safe mode appears in the lower-left of the unlock screen then release.
   This may take up to 45 seconds.
   

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Disable Safe mode

1. Press and hold the Power button.
   
2. Select Restart.
   
3. Select OK.