So I have pokemon moon and I got a code from gamestop is a code to get a pokemon I try redeeming the code in the pokemon game but it keeps asking me I need to update my 3ds to do it. My 3ds is on version 11.2.0 it's not a CFW 3ds only have hombrew on it i used ctr-httpwn but it keep saying I need to update anyone know what's wrong?