The update introduced significant restrictions to how users interact with PSN directly from the console:
Download the Sony Content Manager Assistant onto your computer. Plug your PS Vita into the computer using a USB data cable. ps vita 374 firmware new
If your system is below 3.74, you can update through these methods: System Update Update Using Wi-Fi PC (Content Manager) : Connect your Vita to a PC running the Content Manager Assistant and select Update by Connecting to a PC PS TV Safe Mode The update introduced significant restrictions to how users
Following this update, the ability to create a new PSN account or log in via the PS Vita itself has changed, pushing users towards modern two-step verification methods on newer devices (like PS4/PS5 or web browsers) to generate device setup passwords. Should You Update to 3.74? Should You Update to 3