Here, use this: https://gbatemp.net/threads/how-to-install-run-any-switch-firmware-unofficially-without-burning-any-fuses.507461/
First thing's first, ONLY USE SXOS 1.2! 1.0 will burn your fuses, and 1.1 doesn't bypass the fuse checks.
Second, you'll need to boot into the firmware you're...