Pro 6.20 Bootloader - Gigawiz/procfw GitHub Wiki
Introduction
The 620 PRO Bootloader Installer is a application which is part of the PRO CFW Project.
It installs a custom replacement XMB shell which exploits a security flaw in the Runlevel Execution of the 6.20 Kernel to auto-execute a Quick Start on system start.
Hold SELECT button during the bootstrap it will boot into OFW. Hold O+X+SELECT+START during the bootstrap the perament patch will emergency uninstall. Use it as a last resort.