/ekx/ recover save file

Get Checkpoint
>https://github.com/FlagBrew/Checkpoint/releases/tag/v3.7.3
The nro file.

Run homebrew, open checkpoint, make a savebackup and open your sd card in your comp.
Navigate through checkpoint -> saves -> the code of the game -> and there is your main file
pkhex magic
overwrite the file and go back to checkpoint to restore it.
Check ingame that it did change whatever you wanted to change and proceed to do a local transfer to your legit switch for online features.