It is highly likely that Psvupdat.pup is a typo or a corrupted version of the official PSVUPDAT.PUP (without the second 'p' in "update"). The official Sony file for the PlayStation Vita is case-sensitive and typically named exactly PSVUPDAT.PUP.
Therefore, if you typed "Psvupdat.pup", you probably meant the legitimate PS Vita firmware file. Psvupdat.pup Download
PSVUpdate.pup is the official firmware update package file for PlayStation Vita (system software). It’s used to update or restore Vita system software via a PC or directly on the device (when provided by Sony). People use .pup files for manual updating, offline installs, or for restoring a bricked Vita. Understanding the "Psvupdat
Yes. The safest method is Settings > System Update > Update via Wi-Fi. Only use the manual .pup file method if your Wi-Fi is broken or you are troubleshooting a specific error. Update fails or device stuck: Reboot and retry;
A: Not inherently. The legitimate PSVUPDAT.PUP is safe. However, a file named exactly Psvupdat.pup (with the extra 'p') is not an official Sony file. If you did not download it from playstation.com, treat it as malware and delete it.
Cybercriminals exploit search terms like psvupdat.pup download to distribute: