If you have already updated to 3.74, you can still jailbreak your system to install homebrew applications, emulators, and plugins.
The 3.74 firmware update represents the final chapter of Sony's official relationship with the PS Vita. Instead of locking down the system forever, it inadvertently made the console easier to mod than ever before thanks to browser-based entry points. By updating to 3.74, utilizing the Henlo exploit, and downgrading to a stable custom environment, you can preserve and enhance your handheld for years to come. ps vita 374 firmware
Following this update and the concurrent PS3 4.89 update, users can no longer transfer games or content directly between a PS3 and a PS Vita via USB or Wi-Fi due to the new authentication requirements. How to Update Your PS Vita If you have already updated to 3
Some notable firmware updates for the PS Vita include: By updating to 3