1. Copy `<date>_<serialnumber>_sysnand_##.bin`, `<date>_<serialnumber>_sysnand_##.bin.sha`, and `essential.exefs` from the `/gm9/out/` folder on your SD card to a safe location on your computer
+ Copy these backups to multiple locations (such as online file storage, an external hard drive, etc.)
1. Supprimez `<date>_<serialnumber>_sysnand_##.bin` et `<date>_<serialnumber>_sysnand_##.bin.sha` du dossier `/gm9/out/` de votre carte SD après l'avoir copié