How to Factory Data Reset or Hard Reset Samsung Galaxy SIII (GT-i9300)

Note: Performing these steps you will loose all your contacts, messages, all application settings and all installed applications.

If you have trouble with phone software and you want to reset the phone to factory state, you can try factory reset using below steps:

1. Go to System Settings and then select Privacy.
5. If the password is required,enter it. Then confirm by selecting ERASE EVERYTHING. 

If you’re unable to access the settings menu of your Galaxy S III, to Hard Reset the try this method:

1. Turn phone POWER OFF, or pull the battery out and put it back again.
2. Press the Volume UP + Home Button.
3. Keep pressing these 2 buttons + press POWER button for 2-3 seconds.
4. Release only power button but keep pressing Volume Up, Home button.
5. A Boot Menu will then show, Use the volume up/down to choose and home to select.
6. Select Wipe data/factory reset option and press Power button.

7. Now select Yes - delete all user data and Press Power button.
8. Once Wipe Completes, select reboot the system now.

This reset method is especially useful if your phone continually freezes or fails to respond or you’ve forgotten the security locks you’ve set up to access the phone


  1. my s3 is not booting what should i do?

  2. my s3 is not booting what should i do?

  3. Had you tried reset as mentioned in the post. But be sure that you have enough battery available and also your data and applications will be lost.

  4. i have tried above option on my Samsung galaxy s-3 but still its not working for my phone.its just show me the message"Unable to complete encryption due to interruption.perform factory data reset(erasing all your data)before use.after resetting,try encrypting device again"
    please help me out


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