I'm trying to install something, and it keeps saying "The cia is invalid". The weird thing is i have installed this cia on my 3DS before without any problems, now it just doesnt work. Should i try other cia installers? Half of my other cias wont install with the same error also... 11.0 SysNAND A9LH Luma3DS. Does anyone have this problem with random cia's also? If so how did you fix it? I already tried reformatting my 3DS SD Card and doing a System Restore, no dice. As a workaround i can use the .3ds version of the game with my Gateway but then i'd have to resort to playing everything on the GW Red Card.