Place the PSVUPDAT.PUP file inside the UPDATE folder. Enter Safe Mode: Turn off your PS Vita/PSTV completely.
Before you run that update, run through this checklist to ensure you have followed the "better verified" process:
Confirms the file matches the official Sony release using MD5 checksums.
Before installing, you can verify the integrity of the downloaded PSVUPDAT.PUP file: ps vita firmware 373 download better verified
The historical URL for downloading PS Vita system software directly from Sony was: https://www.playstation.com/en-us/support/hardware/psvita/system-software/
The vast majority of Vita plugins (like SD2Vita storage drivers) are optimized natively for 3.60/3.65, resulting in far fewer system crashes. Troubleshooting Common Installation Errors
The Vita will detect firmware 3.73 from your computer. Follow the on-screen prompts to complete the installation. What to Do After Installing Firmware 3.73 Place the PSVUPDAT
These are the official Sony update files ( .PUP ). They are cryptographically signed and 100% safe.
Hey fellow PS Vita enthusiasts!
The official 3.73 PUP file is approximately Before installing, you can verify the integrity of
Create a folder named PSVITA on your computer. Inside that folder, create another folder named UPDATE .
The homebrew community universally recommends as the golden standard. Why Custom Firmware Users Downgrade to 3.60/3.65
For users who have a PlayStation 3, this method offers a reliable alternative that doesn't require a PC.
To avoid issues, you must use a verified .PUP (PlayStation Update Package) file.