iBrick iPhone

How to Hard Reset Your iPhone
Tuesday, 20th November 2007, 10:11 pm
Instructions on how to perform a hard reset on your iPhone.

To perform a hard reset on your iPhone you can follow these steps:
Step One
Press and hold the Home button and the Sleep/Wake button at the same time.

Step Two
The iPhone screen will go black after a few seconds. Release both buttons once the Apple logo appears on the screen.

Zdroj: http://www.iclarified.com/entry/index.php?enid=368