Always ensure your Vita is connected to a power source during firmware updates or downgrades to avoid "bricking" (permanently breaking) the device.
If the official PlayStation page is redirecting you to version 3.74, you can find the 3.73 PUP file through trustworthy archival sources. The PSDevWiki notes that as of November 9, 2020 (the date of the 3.73 release), Sony made the PUP files available at the above URL, and they have been archived on Archive.org for preservation. Always verify file hashes when downloading from third-party archives to ensure integrity. The official MD5 hash for the 3.73 PUP file is 034ab948bbf1a002e0a058c602184b32 . ps vita firmware 373 download better work
Once you have the firmware file (named PSVUPDAT.PUP for PS Vita or PSP2UPDAT.PUP for PS TV), you have several installation methods available: Always ensure your Vita is connected to a
Open Vita3K, go to File > Install Firmware , and select your downloaded .PUP files. Always verify file hashes when downloading from third-party
Released as an official system update by Sony, version 3.73 primarily targeted system stability and patched minor webkit vulnerabilities without fundamentally changing the underlying kernel.
When downloading from unofficial sources, always scan files with antivirus software and only download from reputable community sources to avoid corrupted or malicious files.
Optimizing Your PS Vita: Firmware 3.73 Download and Performance Guide