iPhone Mods fixed

[.: Mac :.]

When the update installs itself using iTunes, it also checks for changes that have been made to the phone’s firmware, the hackers said. When changes are detected in the old firmware, the update wipes the phone and then reinstalls the updated firmware, erasing any modifications that a user made.

http://www.macworld.com/news/2007/08/01/iphonemod/index.php

Just like Apple breaks illegally modified OS X installations on PCs with every update they are showing that they will not tolerate the iPhone being modified either