The latest firmware for the PS Vita is version 3.60, which was released in 2018. This version includes various improvements and security updates. If you're looking for the most stable and secure experience, this might be considered the best.
PSVUPDAT.PUP (for the full update) or specific decryption keys if your emulator requires them (Vita3K usually asks you to install the firmware file directly). ps vita bios best
The easiest way for most users:
The PS Vita’s security model is built on a chain of trust starting in the Boot ROM. Understanding which firmware version provides the most access (or stability) is key for developers and enthusiasts. The latest firmware for the PS Vita is version 3
You need the PS Vita Firmware 3.60 file ( PSP2UPDAT.PUP ). ps vita bios best