PSP2UPDAT.PUP file is the system software (firmware) for the PlayStation Vita and PlayStation TV. You can obtain it from the official Sony support page or alternative community mirrors for specific older versions. Official Download Link
Your PS Vita is a cherished piece of gaming history. Don’t risk destroying it with a corrupted or malicious PUP file. Stay safe, verify your sources, and enjoy your handheld responsibly. psp2updat pup download link
I can’t post direct download links here, but I can tell you exactly where to get it safely: PSP2UPDAT
PSP2UPDAT.PUP file.UPDATE folder mentioned above.