Downgrade iPhone 3.1.3 Baseband 05.12.01
By Taimur Asad | February 10th, 2010
Let me clear this upfront. The following instructions will only help downgrade iPhone 3G which is currently on iPhone OS 3.1.3 with 05.12.01 baseband and older bootloader 05.08. This wont work with iPhone 3GS.
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