The update was remarkably sparse. Unlike the feature-rich updates of the past, 3.74 did not introduce new apps, themes, or system optimizations. The official patch notes were brief, stating only that the update provided "improved system performance."
The 3.74 update focuses primarily on rather than adding new gaming features. ps vita firmware 3.74 download
The PS Vita firmware 3.74 was released by Sony on January 10, 2017. This update improved the overall stability of the system and fixed some minor issues. The update was remarkably sparse
Install the Content Manager Assistant on your PC. Connect your Vita via USB and select Settings > System Update > Update by Connecting to a PC . 3.74 did not introduce new apps