i tried downloading Itunes 8.2 and downloading a 1,2 iphone 3.1.2 but i get a 1015 error, also i tried downloading irecovery and Recboot to fix 1015 error, but it only freezes my whole computer, i am running a PC Windows 7, can anyone help me? i want to downgrade it to 3.1.2 so i can jailbreak with blackra1n? or does someone know how to get Internet Tethering with 3.1.3, i just need Internet Tethering plz, but i'd like to get a downgrade to 3.1.2