George Hotz is back !!! Post beta 4, the ramdisk hack stopped working. Sorry Zibri, guess you’ll have to steal another exploit. They also changed the recovery mode USB protocol to use the control endpoint to send commands. The possiblity of unlocking, which is very distinct from jailbreaking,...

The device failsafe utility (or Device firmware upgrade as someone says), better known as DFU it’s a failsafe basic (and quite trivial) bootloader present on the iPhone. This is the weak point of the iPhone 2G and hopefully 3G. This post maybe means nothing to you, but before anyone will say I...