Following this update and the concurrent PS3 4.89 update, users can no longer transfer games or content directly between a PS3 and a PS Vita via USB or Wi-Fi due to the new authentication requirements. How to Update Your PS Vita
If you are already on a custom firmware (CFW) like 3.65, you do not need to update to 3.74. Instead, you can simply change your Version Spoofing setting to "3.74" in the Henkaku settings to maintain access to the PSN store and online features. PlayStationhttps://www.playstation.com PS Vita System Software (US) ps vita 374 firmware
To sign into PSN, you can no longer use your standard account password. Instead, you must generate a unique "Device Setup Password" through the Sony Account Management site on a PC or mobile browser. Following this update and the concurrent PS3 4