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i0n1c’s Untether Killed by iOS 5, Is This The End of Untethered Jailbreak?

If you have been keeping up with the news about Apple, then you know that the company just previewed their latest mobile operating system, the iOS 5 during a keynote presentation at the WWDC. And if you can recall, we also shared to you a wonderful news that the iOS 5 was already jailbroken mere hours after it was made available. But before you rush and apply a jailbreak to your iOS 5, you might want to read this first.

iOS 5
After Steve Jobs unveiled the highly anticipated iOS 5 at the WWDC, MuscleNerd of the iPhone Dev-Team has managed to develop a tethered jailbreak solution to the latest iOS. This tethered jailbreak utilizes the same Limera1n exploit that has been widely used to jailbreak iOS 4 to 4.3.3.

However for some users, a tethered jailbreak simply doesn't cut it because it can be quite tedious since one needs to plug the device to a computer in order to boot it into its jailbroken state on every restart. So the jailbreak community was somehow hoping that i0n1cā€™s untether might just be a viable option to have an untethered jailbreak for the iOS 5. Unfortunately, that doesn't seem to be the case now.

In a recent tweet by Stefan Esser aka i0n1c:
i0n1c Tweet iOS 5

R.I.P. ā€“ I just heard Apple killed the ndrv_setspec() integeroverflow and his friends in iOS 5.0b1 ā€“ if this is true the untether is dead.

If this is the case, although we are likely to see a tethered jailbreak for the final version of the iOS 5, an untethered jailbreak on the other hand seems to be unlikely. This is a solid proof that Apple is tightening its security for their latest iOS offering which in turn makes the process of jailbreaking a lot harder.

Stefan Esser aka i0n1c is a jailbreak developer who authored numerous untethered jailbreak solutions most prominently the untethered jailbreak for the recent iOS 4.3.x. As of this writing, he has yet to find a workaround for iOS 5.

We'll just have to wait and see what the jailbreak community can come up with!

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    Jimmy ā€¢ 5 years, 4 months ago

    Well, we should look at it at a more positive way, even though the old exploit is fixed. There should be more code added with the new iOS 5, so there may still be a chance of finding a hole and expend it.