Instead, modern PS Vita modding exploits vulnerabilities in the existing firmware after the official update has been installed. You always start with a on your device and then run a temporary exploit (e.g., via the web browser or email app) to gain access.
: By booting the Vita into "Safe Mode," they feed this file to the system. If successful, the device reboots, now capable of running everything from retro emulators to community-made ports. Bios Ps Vita Psp2updat.pup