Homebrew 11.4 help downgrade

[robcast]

so i bought a "new" 3ds for a friend, i got it on offer up for cheap. but i want to mod it so. is their a way i could downgrade it. i have a 2.1 sysnand back up

 

[Ryupower]

see https://3ds.guide/ to get started

you might need to hardmod or have a 2nd system