When you use a for Uncharted: Golden Abyss , you are not hacking the game; you are tricking the Vita into thinking you bought it directly from the PlayStation Store. The ZRIF contains the RSA signature, the content ID, and the license type (Application, Update, DLC).

The main game works perfectly via NoNpDrm or cartridges. The problem is the . Sony never packed the "Top 30" filter or the weapon skins onto the physical cart. You need the license to tell the game to look for them.