Archive for the 'iPhone How To' Category

How to downgrade iPhone 3G 3GS from iOS 4 to iOS 3

I was having problems with my 3G iPhone after upgrading to iOS4. It made my 3G iPhone very very slow and battery management was a BIG problem. On a few occasions, the iPhone battery just drained itself from 100% to 0% when I was not even using it. I was very unhappy with this update. […]