I downgraded using ChoiDujourNX from 9.1.0 to 4.1.0 but now get error 2002-4315. I have a backup of the eMMC raw GFF when is was on 4.1.0 originally but did not backup the eMMC Boot0/1. Also I have backed up tsec keys and fuse and kfuse info prior to the upgrade to 9.1.0. What is the safest...