According to the official PlayStation blog, firmware 3.73 included the following changes:
Do not use the "Update via Wi-Fi" option unless you want the absolute latest (3.74 or 3.75, which are harder to hack). We need the specific 3.73 update file. Ps Vita Firmware 3.73 Download BETTER
For enthusiasts, 3.73 is often seen as a "bridge" firmware. Many users download it to ensure their system is up to date before utilizing tools like to unlock the console's full potential, such as using SD2Vita adapters for expanded storage or running custom themes [2, 5]. Troubleshooting Common Issues If you encounter errors during the download: According to the official PlayStation blog, firmware 3
For many enthusiasts, downloading 3.73 is the first step toward unlocking the console's full potential. Many users download it to ensure their system
If your Vita is not already on 3.73, you can update officially via the PlayStation Support site PS Vita System Software (US)
For advanced users: