Originally Posted by TTLayland
I'm a tad confused as to how I'm supposed to go from mf3 to kit Kat while keeping root. If anyone could help out it would be great. I'd also like to know if staying on mf3 BL is better incase the bootloader is exploited again. Or is the work being done on current BLs.
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Your best bet is to go to MK2. Work is taking place across different bootloaders, but a good amount of work is on MK2 including Hashcode's kexec exploit which functions on the root method for MK2 that allows the kernel memory to be modified. You can sideload the MK2 OTA or just flash the ODIN files if you don't mind wiping the internal data/storage. Once that's done, install Safestrap, and using the different guides you can either go to KeepRoot OTA to put yourself on the stock system with root or flash any 4.4.2 TouchWiz ROM with the KitKat Magic Toolkit.