Hard Reset SAMSUNG i900 Omnia

First method:

  1. Select this function under Main menu -> Settings -> System -> Hard Reset.

Second method:

  1. Turn device off.
  2. Press and hold Call + End keys for a few seconds. Hard Reset SAMSUNG i900 Omnia

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.

Help! This doesn't work