The recommended options for playing Scarlet/Violet with Cheats for Horizon 16 OS:
Uninstall hbg shop if you are using it, Tinfoil without hbg shop is fine. It can interfere with controls in EdiZon and may cause other issues. I recommend creating save backups with JKSV.
Downloads:
1. Atmosphere 1.5.0 pre release (new fix for tesla crashes) – Extract to root of SD card.
2. EdiZon-Overlay (v1.0.4) download ‘EdiZon-Overlay.zip’ and extract the ‘switch’ folder to the root of your SD card.
3. EdiZon (v3.8.36) – extract to the root of your SD card.
4. JKSV (For backing up your game) – Put this .nro in switch/ folder
5. Newest Release of Hekete.
This post will be updated as new releases and methods come out. But this is the very latest.