I was just reading on another forum that this is possible so long as you have no ban worthy content installed to the sysnand of the hacked switch.
The process requires initiating the save transfer tool to transfer to the hacked switch booted into sysnand, rebooting the hacked switch into cfw to...
Nuh it was a joke, but I used to bite my nails when I was young, but when I started doing construction work and seen what crap was under my nails, I stopped.