I need some help, I've got 1.1.3 jailbroken, it says I need 1.1.2 to get the latest jailbreak on, how can I downgrade to 1.1.2 without losing all the apps and music? or how can I upgrade from 1.1.3 to 1.1.3-1 ?? I have the jan soft upgrade... does this fix any bugs? / will customize work on this?