Help with jailbreaking and Cydia for iPhones, iPads, and iPod touches.

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I have iPhone 3GS with version 4.1 (8B117) and the model is MB715LL. also modem firmware is 06.15.00

The phone is jailbreak and how can I upgrade it's current version to latest iOS version or at least higher one?

Thank you!!!

asked 05 Jan '13, 14:52

miro23's gravatar image



(06 Jan '13, 01:06) adityabit adityabit's gravatar image

@adityabit please make your own question instead of bumping others with your own question in each. Thanks

(06 Jan '13, 09:06) theiphoneguy ♦ theiphoneguy's gravatar image

Run redsn0w on it and downgrade the baseband, then you may upgrade again to the latest firmware providing it is unlocked. If you rely on a hacked unlock then do not update


answered 08 Jan '13, 10:22

neb120's gravatar image


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Asked: 05 Jan '13, 14:52

Seen: 483 times

Last updated: 08 Jan '13, 10:22

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