QUOTE(ventrilocks @ Jun 24 2011, 09:16 AM)
volume up + home button + power button
This will get you into RECOVERY mode not hard reset.
This is how you hardreset :
Software Reset
1. Go to the Home screen.
2. Go to Settings.
3. Select Privacy.
4. Select Factory Data reset.
5. Select Reset Phone.
6. Select Erase Everything.
You devices should be resetting now.
Hardware Key Reset
1. Switch off the phone. Pull out the battery if you device is not responding.
2. Now press and hold down the volume up + volume down button. Then press and release the Home/Power button.
3. Next the phone will present a menu for you to choose, select Clear Storage.
4. Confirm if you want to go ahead.
Alternative
Also you could try to key in *2767*3855# and press dial.