I'm wondering (as my KV is still a serial-virgin) if we can create a FB03 (Recovery v2) update - that is designed exactly for flashing system partitions.
I'll brick... I mean I'll test it tomorrow
EDIT:
Code:
> kindletool extract update_kindle_all_new_paperwhite_5.14.1.bin tmp
> rm tmp/*.sig tmp/*.dat # signature rubish
> rm -r tmp/imx60_wario # bye bye uboot+kernel!
> cd tmp && kindletool create recovery2 -d voyage . ../update_kindle_all_new_voyage_5.14.1.bin
Package is there, looking at me, waiting to be flashed, but I'll be strong and resist till morning before the flashing (attempt)