– Sony used to offer system updates through their website or Content Manager Assistant, but official direct links for older firmware versions are generally no longer available. You can try searching Sony’s official support site for “PS Vita system software update.”
There are several reasons why you might need to download and install the PSP2UPDAT.PUP file: psp2updat pup download link
Transfer it to your Vita's memory card ( ux0: or ur0: ) inside the tai/ or VitaDeploy/ folder using FTP or USB via VitaShell. – Sony used to offer system updates through
If you are trying to update, downgrade, or re-install the system software on a PlayStation Vita or PlayStation TV, you will eventually encounter the requirement for a PSP2UPDAT.PUP file. This PUP file is the core system software for the console. psp2updat pup download link