Yea, that's my plan. I can't play Ultimate SM.
I'd like to upgrade to current Luma, from a9l to boot9strap & aureinand to Luma via this link:
https://3ds.hacks.guide/a9lh-to-b9s.html#a9lh-to-b9s
I wouldn't even know how to start everything over from scratch. My backups are long gone.