: The primary purpose of this update was to improve account security. It removed the ability to create a PlayStation Network (PSN) account or manage certain account details directly from the PS Vita system. Device Password Requirement : Users must now generate and use a Device Setup Password
: The update patched some existing entry points, but the scene quickly adapted. Tools like VitaDeploy were updated to support 3.74. Downgrading : Users who accidentally updated to 3.74 can still use ps vita 374 firmware