Ok, so i downloaded 3.0 and used shift restore to update it, that went well... then i decided to jailbreak it 5 minutes after that. That went ok too, but i noticed that my connection to the wifi was weaker, and cut out. I decided to restore but the wifi wouldn't connect at all!... i thought if i restore back to 2.2.1 it would work again (as it always worked fine) i downloaded the 2.2.1 firmware and restored to that successfully, but still no wifi connection, it appears as one bar signal and when i enter the password correctly it just says im unable to connect! So im left with no options on what to try, can i still take it back to apple considering i jailbroke it?... what shall i try next?!