Are you setting this up for or trying to get RetroArch working on a physical Vita ?
There are several PS Vita BIOS options available, each with its own strengths and weaknesses. Here are some of the best PS Vita BIOS options: ps vita bios best
When searching for the "best PS Vita BIOS," it is important to clarify that unlike older consoles (such as the PS1 or PS2) that require specific .bin files dumped from hardware, the for its modern emulators. Are you setting this up for or trying
: Open your emulator (Vita3K) and select File > Install Firmware . Step 3 : Select the .PUP file you downloaded. ps vita bios best