When you search for the ISO, you will often see suffixes like -Extra, -v2.5, or -Complete. The "Extra" edition that accompanies the V2 patch typically refers to one of three things:
Thus, "Final Fantasy Type-0 -English Patched V2- Psp Iso -Extra" is the complete, uncut, definitive fan edition. Final Fantasy Type-0 -english Patched V2- Psp Iso -Extra
You will also see "Final Fantasy Agito" in your search results. That was a mobile spin-off. Ignore it. The -Extra version of Type-0 V2 sometimes includes a bonus "Agito Chapter 0" – a prologue video explaining how Class Zero was recruited. Watch it before you start the main game. When you search for the ISO, you will
Unlike later HD ports (which censored blood and removed the "Ace of Spades" intro), this V2 patch retains the original M-rated content. You get the full, gritty opening movie where a child is stabbed. You get the "Class Zero" crystal jammer visuals. Everything is uncut. Thus, "Final Fantasy Type-0 -English Patched V2- Psp
Getting this specific version running is straightforward. Do not use outdated prepatched ISOs from 2013.