How to Downgrade Your iPhone 3GS, 3G Baseband for Unlock (Windows)

How to Downgrade Your iPhone 3GS, 3G Baseband for Unlock (Windows)

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EzequieL - October 24, 2014 at 2:12am
THANK YOU SIR! ITS WORK I WAS DOWNGRADE MY MODE FIRMWARE 6.15.0 TO 5.14 Thank you!