During initial startup, select > Install Firmware from the top taskbar.
When unpacked, this PUP file reveals the core components that dictate how the PS Vita's ARM processors and custom GPU operate. These include:
There are three primary scenarios where you will need to source and use a PSP2UPDAT.PUP file: 1. Console Modding and Custom Firmware (Modoru)
The file is the standard firmware update file for the PlayStation Vita and PlayStation TV systems. It is primarily used for manual firmware updates, downgrading via homebrew tools, or setting up emulators like Vita3K . Key Uses of PSP2UPDAT.PUP