Earlier today Apple seeded iOS 6.1 beta 5 to developers. It is possible to jailbreak iOS 6.1 beta 5 on iPhone and iPod touch, provided that they’re the ones running on an A4 processor. Newer devices obviously can not be jailbroken on this beta firmware. This jailbreak can easily be done in a few minutes by using redsn0w jailbreak tool, and this guide will show you exactly how to do that.
This new beta of iOS 6.1 is the fifth one since the beta program started back late last year. It does surprise us a little bit as recent reports had indicated that Apple was going to seed the GM build. Now there’s another beta version, but it looks like that this is going to be the final one. Regardless of that, it is indeed possible to jailbreak iOS 6.1 beta 5 albeit on older iOS devices that run on an A4.
The reason for this limitation is that the A4 based devices are susceptible to the Limera1n bootrom exploit, a hardware based exploit which makes jailbreaking any new firmware a piece of cake. Unfortunately no hardware based exploit has been found for A5 or A5X based iOS devices, meaning that devices such as iPad 2, iPhone 4S, iPhone 5, iPad 3, iPad 4, iPad mini and the iPod touch 5G are proving to be hard to jailbreak, though considerable progress has been made on that front.
Just to be absolutely clear, you can use redsn0w to jailbreak iOS 6.1 beta 5 only on iPhone 4, iPhone 3GS and the iPod touch 4G. The procedure to do that is extremely easy and will not take more than a few minutes of your time. Do bear in mind that this will be a tethered jailbreak, meaning that if your device is shutdown or runs out of charge it needs to be connected to a computer for a tethered boot.