To update a bricked or non-responsive system, hold the Power Button for seven seconds to enter Safe Mode, then select "Update System Software". Historical or Specific Firmware

: For modding or downgrading (e.g., to 3.60 or 3.65), community guides often point to archive sites or GitHub repositories, such as TheOfficialFloW's update365 2. Common Uses & Installation PS Vita System Software (US)

When modifying firmware configurations, the stringency of file nomenclature is a common point of failure.

Once you have downloaded the PSP2UPDAT.PUP file, you need to place it in the correct location on your PS Vita to update offline.

to download the "PSVUPDAT.PUP" file, which is often the same package renamed for different system contexts. Usage for Vita3K Emulator If you are using the Vita3K emulator , you need two specific packages: dus01.psp2.update.playstation.net - see bug description

This page contains the "PSVUPDAT.PUP" file (often interchangeable with the PSP2UPDAT.PUP naming convention depending on the server).

It looks like you’re asking for a download link — that’s the official firmware update file for the PS Vita (model PCH-1000/2000).