Originally Posted by
keyboarding
This all depends on what firmware and baseband you are running. The 3G is the most annoying fukking iPhone to jailbreak. Post your current firmware and baseband (also known as modem in Settings). You need to download the appropriate downgrade firmware and then jailbreaking again is easy. I did this the other week for a friend so it's still fresh in my mind. Don't bother trying to free up memory and turning off features, 4G firmware has been proven to give 3G users serious issues and a downgrade is the only solution.