The primary purpose of the update was to remove the ability to create PlayStation Network (PSN) accounts or manage certain account settings directly from the PS Vita.
Sony provides several official ways to install the 3.74 update: PS Vita System Software (US) ps vita 374 firmware new
The fact that Sony bothered to release any update for the Vita in 2022—over a decade after the console's launch—was seen by some as a positive sign that the company remained committed to keeping the platform's online infrastructure functional for years to come. The primary purpose of the update was to