|
MfgTool boots using a custom u-boot bootloader, so it is possible that your u-boot image on the mmc is damaged. You may need to reflash it with fastboot. A good uboot image can probably be extracted similarly to how kernels get extracted (a new variation of the getkernels.sh script). There are currently no u-boot forensic images online that I am aware of.
Until you can reflash u-boot, you are stuck with an MfgTool "tethered boot".
BTW, did you try setting the bootmode var to main with fastboot?
Does anybody here have time to extract a K4 u-boot and provide a link?
|