1st method

  • Enter *2767*3855#
  • Wait until phone reboots

 

2nd method

  • Go to Settings -> Security -> Master Clear
  • This will format your phone

 

3rd method

  • Power off the phone
  • Press and hold the F(5) Key (Blue) and power on the phone by pressing the power on key (Yellow)
  • Select Master Reset with key E(1) or Master Clear with key R(2) to proceed with the format
  • Confirm with Yes, Y key
Samsung GT-B7330 Omnia Pro Hard Reset
Samsung GT-B7330 Omnia Pro Hard Reset