Samsung i997 Infuse 4G Hard Reset

1. Mobile Switch Off

2. Volume Up + Volume Down + Power Button In Hold 5 sec

3. Samsung Logo Appear, Then Release Power Key Only

4. Wait Until You Are Into "Recovery Menu" , Then Release All Keys

5. Volume Down Key Select Wipe data / Factory Reset

6. Ok Then Home Key

7. Volume Down Key Select Yes- Delete All User Data

8. Ok Then Home Key

9. Select Reboot System Now 

10. Ok Then Home Key

11. Thats All