Step by Step Guide to Downgrade from iPhone Firmware 2.0 to iPhone Firmware 1.1.4 | Hi, I’m Trent
« Mobile safari GET High Marks for standard support | 1 million 3G iPhones sold, 10 million App Store downloads »If you have upgraded your first generation iPhone to iPhone firmware 2.0 by mistake and have SIM locked it, then don’t worry as some clever folks have figured out a way to downgrade back to iPhone firmware 1.1.4 so that you can unlock it again for SIM freedom. All you need to do is follow the step by step guide to downgrade your iPhone from firmware 2.0 to firmware 1.1.4 after the jump.
