For those updating via PC or USB, the update file is typically named PSVUPDAT.PUP PSP2UPDAT.PUP depending on region/method). PlayStation Key Changes in Version 3.74
: Connect your Vita to a PS3 (running version 4.00 or later) with a USB cable and select System Update Update by Connecting to a PS3 System Via PS Vita Card ps vita system software update 374 download upd
