1st method

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

 

2nd method

  • Go to Menu -> Settings -> Memory Settings
  • Select Clear Memory

 

3rd method

  • Power on the phone
  • Press and hold Volume up button (Green) + Lock Button (Yellow)
  • While pressing the buttons reset with stylus (Red) and keep pressing the buttons
Samsung GT-B7610 Omnia Pro Hard Reset
Samsung GT-B7610 Omnia Pro Hard Reset