Smtiva-usa-(undub)-cia-ziperto.7z.002

You must have .7z.001 , .7z.002 , and any subsequent parts (like .003 ) in the same folder .

Open only the first file ( .7z.001 ) using a program like 7-Zip or WinRAR. SMTIVA-USA-(UNDUB)-CIA-Ziperto.7z.002

If you are missing .001 , you cannot extract the data. You must have

UNDUB (English text with original Japanese voice acting). You must have .7z.001

.cia (CTR Importable Archive), used for installing games on a hacked 3DS via FBI .