Sony recently released system software update version 3.74 for the PlayStation Vita and PlayStation TV. While the handheld is over a decade old, this mandatory update introduces critical changes to how users access the PlayStation Network (PSN) and manage their accounts. Key Changes in Update 3.74
Installing 3.74 over a modified system will remove your custom firmware. ps vita system software update 374 updated
Users must now generate and use a "Device Setup Password" via the Sony website for increased security. Sony recently released system software update version 3
You can no longer create a new PSN account directly from the Vita hardware. ps vita system software update 374 updated
Select the Security tab from the sidebar.
Certain account management features have been removed from the console menus to streamline security. Why Sony Released This Update