When you perform a system software update on a PS Vita—whether via Wi-Fi, PlayStation Content Manager, or recovery mode—the console downloads a file named psp2updat.pup . Inside this file lies encrypted, signed firmware data: the kernel, system modules, drivers, and security patches.

Handling psp2updat.pup files requires caution.

The file is typically placed in specific directories depending on the tool being used:

Before downloading any psp2updat.pup , search for its SHA-256 sum on vita.hacks.guide . If the sum doesn’t match the official database, delete it immediately. Your Vita’s life depends on it.