I hardmodded my DSi XL, get my CID, Console ID, injected Sudoku, but every time i got a green screen freeze.
So i mounted my NAND_DEC and deleted the public.sav and flashed the NAND back, but i think it was the decrypted NAND and i got the "0000FEFE" Error every time i start my DSi XL.
I flashed...