How to: Downgrade iPhone 6.15.00 (iPad Baseband) on iPhone 3G/3GS

On June 23, 2012, in Fixes, Unlocks, by Ian Ziyar

If you previously unlocked your iPhone 3G or 3GS, chances are you are on the 6.15.00 baseband. This baseband is also known as the iPad baseband and many users have reported inconsistent GPS signal. Follow the step-by-step video below to get your baseband downgraded to a more stable, unlockable, version. In this video, we will […]

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