![I've been trying for 4 months to get my New BOOTROM iPhone 3GS to iPhone OS 3.1.3 but everything I've tried has failed. It's currently on iOS 4.1, does anybody have anything I've been trying for 4 months to get my New BOOTROM iPhone 3GS to iPhone OS 3.1.3 but everything I've tried has failed. It's currently on iOS 4.1, does anybody have anything](https://preview.redd.it/x1vnvgzu25a91.jpg?width=3024&format=pjpg&auto=webp&s=91e2205df6b3e50656a70dfea36eb6e7e8fb5c12)
I've been trying for 4 months to get my New BOOTROM iPhone 3GS to iPhone OS 3.1.3 but everything I've tried has failed. It's currently on iOS 4.1, does anybody have anything
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How to Unlock an iOS 4.2.1 / 4.1 iPhone 3G / 3GS by flashing the baseband to 6.15 « Smartphones :: Gadget Hacks
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