Jailbreak iPhone Running on iOS 6.1 beta 4 Using Redsn0w

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Early this morning Apple pushed out iOS 6.1 beta 4 to developers. Just like the previous beta releases, We can jailbreak fourth beta running on pre-A5 iPhone models with the help of Redsn0w. Though the iPhone Dev Team’s Redsn0w doesn’t support any beta release officially, but with a little trick we can get what we want.

The jailbreak community sometimes divide the iOS devices into two categories: Pre-A5 devices, also called as A4 devices and A5 devices. This categorisation is based on the processor. iPhone 4S, iPhone 5, iPad 2/3/4 and iPod Touch 5G run on A5 processor whereas iPhone 4, iPhone 3GS, iPad 1, iPod Touch 3/4G run on pre-A5 processors.

 

The reason involved behind this grouping is that pre-A5 devices have a bottom level exploit which can be used to jailbreak them on any iOS. On the other side A5 powered devices don’t have such exploit due to which they can’t be jailbroken easily.

Jailbreak iOS 6.1

To conclude only iPhone 4, iPhone 3GS and iPod Touch 4G officially support iOS 6.1 and these devices are also pre-A5 devices. So we can jailbreak these devices with the help of Redsn0w.

How to Jailbreak iOS 6.1 beta 4 with Redsn0w:

Step 1: First of all upgrade you device to the latest iOS 6.1 beta 4 release.

Step 2: Download iOS 6.0 final version for your iPhone model.

Step 3: Download the latest Redsn0w version for your PC (Mac or Windows) and Run it.

Step 4: Back up your iPhone and run Redsn0w.

Step 5: Go to Extras -> Select IPSW and point redsn0w to final iOS 6.0 build.

redsn0w 0.9.15b3-2

Step 7: Now go to the main screen and use the jailbreak button to initialise the process. On the next screen you will be asked to put your device into DFU mode. Simply follow the on-screen instructions to get the Pwned DFU mode.

redsn0w 0.9.15b3

Step 8: Wait and let the jailbreak finish its job until your device restarts. At this point your device may stuck at Apple logo, or if it passes, you won’t see Cydia icon.

Step 9: Now open Redsn0w software again. Go to Extras->Tethered Boot feature which will again ask you to put the device into DFU mode.

Step 10: After your device restarts, you will see the fully functional Cydia icon.

This jailbreak is tethered right now. So you’ll have to perform the Step 9 every time you reboot your device to bypass the Apple logo. There is no untethered iOS 6.1 jailbreak so far.

We recommend not to try this tethered jailbreak on your device if your iPhone is already having a untethered jailbreak. This main purpose of this guide is to give developed an opportunity to test their Cydia apps before the release of iOS 6.1.

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