How to reset Samsung galaxy s2 I9100 mobile

Steps for hard resetting of Samsung Galaxy S2:-

1.     Remove battery for few seconds then place it inside.
2.     Press Volume up and Home button together.
3.     Press Volume and Power button together for few seconds.
4.     Press volume up or down key and go to Delete all user data or Wipe Data /                            Factory Reset.

    Your mobile will reset now.