This contains the core operating system and serves as the "BIOS" for emulators. 2. The Font and Resource Package

This is the main executable file inside a PS Vita game folder. It is not a system BIOS.

Here is the story of how you actually "download" the necessary system files to get your games running: 1. The Official Firmware (The "BIOS" Equivalent)

Look for the PS Vita System Software Update file (usually PSVUPDAT.PUP ).

Visit the official PlayStation System Software Update page .