If you are already on official 3.74 and want to mod your system, you can still use tools like VitaDeploy
The PlayStation Vita firmware version 3.74 is the latest official system software update released by Sony. While it primarily offers "system performance improvements," it also introduced mandatory changes to account security, such as the requirement for Device Setup Passwords. ps vita 374 firmware link
When Sony released firmware 3.74 for the PlayStation Vita, it was less a headline-grabbing overhaul and more a quiet punctuation in the handheld’s twilight. By then the Vita had long outlived Sony’s flagship support push, yet its passionate community and unique hardware kept it alive—often in ways Sony never intended. If you are already on official 3
: Sony removed several account management features directly from the Vita. Users can no longer create new PlayStation Network accounts or manage certain account settings on the device itself; these must now be handled via a PC or smartphone. By then the Vita had long outlived Sony’s
Some users have reported that transferring content between PS3 and PS Vita via USB is no longer supported following this and the concurrent PS3 4.89 update. PlayStation Installation Methods PS Vita 3.74 Firmware | What It Really Does!
The official PlayStation Vita system software version 3.74, released on May 10, 2022, can be downloaded directly from the official Sony support pages.
To download and install the PS Vita 3.74 firmware, you'll need to find a reliable link. Here are the steps to follow: