[How to] Downgrade iPhone 3.0 to 2.2.1 ?

[How to] Downgrade iPhone 3.0 to 2.2.1 ?

Few days back I had given links for Free download of iPhone 3.0 beta firmware. Many of the people who downloaded were happy with the upgrade but few of them faced issues with it and wanted to downgrade to 2.2.1 firmware version. Below are the steps to do the same (via Crenk) How to downgrade iPhone 3G 3.0 back to […]