181w ago - Today liquidzigong of the Chinese board A9VG.com (linked above) has released PSP Custom Firmware 5.03 and 5.50 Prometheus, which enables recently released PSP Firmware 6.20 games such as Metal Gear Solid: Peace Walker and Kingdom Hearts: Birth By Sleep to run without patching required.
For those who missed it, an updated PRXDecrypter and PSPCipher by hrimfaxi reportedly allows the same, and the latest PSARDump by coyotebean also now supports Sony's PSPgo console.
The 5.03 Prometheus PSP CFW above is intended for PSP 2000 - TA088v3 and PSP 3000 users, with more details on the release available HERE.
Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter and be sure to drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene updates and homebrew releases!
Just a follow-up on, below is the last Prometheus-4 PSP Custom Firmware for 5.00, 5.03 and 5.50 which includes support for the Japanese version of Monster Hunter Portable 3rd from Liquidzigong via http://bbs.a9vg.com/thread-1508398-1-1.html. Installation:
For Custom Firmware 5.03:
Install and run ChickHEN (or MHUSpeed)
Install CFW 5.03 GEN-C
Extract Prometheus 5.03 in ms0:/PSP/GAME
Start the program
Press X to install
For Custom Firmware 5.50:
Install 5.50 GEN-D3.
Extract the file CFW 5.50 Prometheus
Copy the folder into PSP/GAME/ and run the installer