Atmosphere Vs sxos custom boot
https://github.com/oxley192/Atmosphere-vs-Sxos
For boot.dat files
And
https://drive.google.com/folderview?id=1H9C4i-g8pTN1cthrx5CeYXxOQacqm7bH
For
sdcard set up so everything works fully please read the read me on GitHub