: This update removed the ability to transfer content between a PS3 and a PS Vita via a USB cable. How to Install the 3.74 Firmware Update There are three primary ways to update your system:
Create a folder named PSVITA on a USB drive, and a subfolder named UPDATE inside it. Place the PSVUPDAT.PUP file in the UPDATE folder.
: You can no longer create a new PSN account or manage certain account details directly from the Vita. ps vita 374 firmware link
Despite the security focus of 3.74, the handheld remains fully exploitable. PS Vita System Software (US)
You can download the official update file (PSVUPDAT.PUP) directly from Sony's regional support pages. To download, right-click the "Download Now" link on these pages and select : PlayStation US Support - PS Vita System Software PlayStation UK Support - PS Vita System Software PlayStation Canada Support - PS Vita System Software : This update removed the ability to transfer
For those looking for archival copies or specific MD5 hashes for verification, Darthsternie’s PS Vita Firmwares and the Internet Archive also host the 3.74 firmware files. Key Changes in Firmware 3.74
: Go to Settings > Start > System Update > Update Using Wi-Fi . : You can no longer create a new
: Traditional PSN passwords no longer work for logging in on a Vita. You must generate a "Device Setup Password" via your account settings on a PC or mobile browser.