So, I decided I wanted to install Zelda Four Swords (Which I had but I lost it when I installed the GW). But I have to little memory, I used to have tons of DSiWare on my 3DS and had only 19 blocks left. None of these tiles can be found on the home menu (sysNAND) nor in the data management in settings. But I still only have 19 free blocks left. I tried formating sysNAND again but it doesn't work . Does anyone know how I can fix this?!