is there a problem in doing so? and if you can do the https://3ds.guide/uninstall-cfw on a a9lh console?


This is correct. The new method of region changing based on the bible doesn't have to change the secureinfo anymore so I'm not 100% sure if we can now remove the cfw on a region changed 3ds. I haven't tested it yet since I've sold my hardmodded 3ds. Maybe I'll wait for ntrboothax before tesing this one out.It depends on how the region was changed
If the SecureInfo was manually edited, it won't start without a CFW that patches the SecureInfo verification
If it was taken from a real console of that region, and signed critical system titles of that region are installed, it will work fine without
You can use this non-cfwI haven't tested it yet since I've sold my hardmodded 3ds. Maybe I'll wait for ntrboothax before tesing this one out.