Released in late 2019, Firmware 3.73 was Sony’s penultimate update for the Vita (followed only by 3.74 in 2021). Officially, 3.73 was a minor security patch that "improves system stability." Unofficially, it was Sony’s attempt to block popular hacking methods like h-encore and Trinity.
Avoid YouTube sketchy links. Use:
Remember: A Vita on stock 3.73 is a frustrating experience. A Vita on hacked 3.73 (downgraded) is one of the best handheld emulation machines ever made. Download smart, hack carefully, and enjoy your revitalized PS Vita. ps vita firmware 373 download better work
Disclaimer: Modifying your Vita’s firmware voids your warranty and may violate Sony’s terms of service. This guide is for educational purposes on devices you own.
If you can’t connect to Wi-Fi, use QCMA on your PC to serve the 3.73 PUP file over USB. This is the preferred method for users preparing to hack. Released in late 2019, Firmware 3
Crucial Note for "Better Work": Do not stay on stock 3.73. Sony’s firmware alone will not make your Vita work better. The magic happens after installing custom firmware (CFW) like Enso or temporary hacks.
Does the PS Vita firmware 3.73 download work better than previous updates? No. It works exactly the same—which is to say, slowly and with occasional hiccups. If you’re updating just for the sake of being on the latest version, save yourself the headache. If you need it for PSN access, follow the PC-based manual update method to avoid endless “download failed” messages. Remember: A Vita on stock 3
The Vita is a discontinued gem, and 3.73 is a minor footnote. Your time is better spent actually playing games than wrestling with a firmware update that doesn’t improve a thing.