Previously Dev Team warned iPhone users not to upgrade their iPhone to iPhone OS 3.1 beta firmware. But it seems not all users listen to the warning, they still upgrade to OS 3.1 Beta firmware both accidentally or intentionally, and now most of them end up looking for a guide to downgrade to the previous iPhone OS 3.0 Firmware. It’s worth noting that the only downgrade able is from iPhone OS 3.1 to 3.0 but baseband will remain 05.08.01. (more…)
On July 7, 2009, In How To, By admin