1 - 3 hours
screen broken and rear case with too much miles.
The on/off button doesn't work and there was no volume up/down button
Oh! And the battery was almost dead :)
Thanks to the guide, i had no trouble to make it work.
stick to the guide ;)
iPhone 3G and 3GS Front Panel Adhesive Strips
iPhone 3GS Front Panel
iPhone 3GS Replacement Battery