It looks like iH8Sn0w is helping with the development of the iOS 6.1.3 and 6.1.4 Untethered Jailbreak as he has updated his blog stating that he is looking for people to help dump the kernels of their iPhone, iPod Touch or iPad running either iOS 6.1.3 or 6.1.4.
Why is iH8Sn0w seeking kernel dumps? The explanation is very technical and I will turn it over to iH8Sn0w to answer the question, but the short story is it is a required step to bring the Untethered Jailbreak to all devices.
The 6.1.2 kernel dumps are crucial for locating specific functions within the kernel that are static between iOS 6.1.x kernel builds. This means functions such as “_START” within the kernel, are located at the same location in 6.1.2 kernels and 6.1.3 kernels.
So, why do we need these?
Simple. We need some static offsets for functions within the 6.1.2 kernel to utilize them in the 6.1.3 kernel, and dump the actual 6.1.3 kernel. The 6.1.3 kernel is more essential as some kexts such as the sandbox kext, signature check kexts [AMFI], etc, are not static and tend to shift its location on every recompile.
Apparently certain files required for the Jailbreak shift locations on different builds of iOS and in order to locate them iH8Sn0w needs your help. He has a chart on his official blog that you can check out that details devices that have yet to be dumped. Here is a screenshot of it below, but ensure you check out his blog for an update to date scenario.
If you have one of the devices iH8Sn0w is looking for running iOS 6.1.3 or 6.1.4 and an Intel Mac (running 10.6 or above) then iH8Sn0w has said to “email a screenshot of f0recast for Mac with the device connected to iHaveOne@iH8sn0w.com.”
Why only Macs? According to iH8Sn0w “The client I wrote to dump the kernel over USB only runs on Intel based Macs.”
Once all the device’s kernels have been dumped it will help finish the Untethered Jailbreak. All that will need to be done at that point is begin writing the tool and then finalize everything. We will keep you guys updated on the progress of the Jailbreak.