Psp2updatpup -

If a user’s Vita is in a bootloop or has a corrupt system update, the system can be restored by placing this file in ux0:data/PSP2/UPDATE/PSP2UPDAT.PUP and running a system update in Safe Mode.

No, the official file from Sony is not a virus. However, third-party rehosted files can contain malware. Always verify the SHA-256 hash. psp2updatpup

In the world of PlayStation hacking and maintenance, understanding what does is the difference between a successful system refresh and a permanent "brick." What is PSP2UPDAT.PUP? If a user’s Vita is in a bootloop

Custom firmware, such as HENkaku Enso, allows users to install a specific 3.60 or 3.65 PSP2UPDAT.PUP to gain homebrew capability and "permanent" hack status. such as HENkaku Enso