Davee’s Infinity permapatch will let users keep a Custom Firmware permanently on their PSP console. Most of the existing patches for latest PSP models are “lost” anytime one reboots, and you have to launch the exploit again. This is in general not a big burden, but hey, permanent is cool too)
Download Chronoswitch 7.0
You can download Chronoswitch 7.0 from Davee’s site here.