The Vita processor is underclocked by default to save battery.
Do not expect 3.75. The Vita’s update server infrastructure is running on legacy hardware. Each update costs Sony money to validate. They only issued 3.74 because the previous TLS certificates expired, which would have rendered the digital store unusable for everyone. ps vita system software update 374 hot
In the homebrew community, it was discovered that 3.74 introduced changes to the vs0 partition, specifically targeting the VitaShell and package installer mechanisms. However, most notably, the update did not patch the "Hannah Montana" vulnerability (a specific method used to install custom themes), nor did it patch the psvgamesd plugin compatibility fully at launch. The Vita processor is underclocked by default to