sharifgd - April 20, 2013 at 6:13am
yes its possible, i have an iphone4 i install ios5.0.1 firmware 2 time and jail break my phone (and i was stressful) .... i switched from ios 6.0.1 to ios5. .. if you search in you tube "How to down grade IOS" or how to upgrade .... i hope you will find the solution... thanks