How to hard reset Samsung Galaxy S smartphone

This is a simple step by step guide to hard reset Samsung Galaxy S smartphone including T-Mobile Vibrant, AT&T captivate etc.

1. Power on the phone.
2. Go to Settings -> Privacy -> Factory data reset
3. Confirm Reset phone

If your phone is stuck and unable to get to the settings page. Try the following:

1. Power off the phone
2. Hold volume down button and the power button.
3. Release the power button once the phone boots up
   
4. After a few seconds you should see a menu. Release the volume button
   
5. Choose "clear storage" or "delete all user data" with Volume down button to change your selection and power button to select.
6. Now reboot the phone and it should be restored to factory fresh state.

Note: If above does not work, try hold down the middle of the volume button rather than just the volume down button.