Downgrade iPhone 4 Baseband From 04.12.01 to 04.11.08, 04.10.01, 01.59.00
Here’s how to downgrade your iPhone baseband from 04.12.01 to 04.11.08 or 04.10.01 or 01.59.00 if you upgraded to a newer iOS version and lost your jailbreak/unlock. A friend asked me…