Disconnect the USB cable and navigate to the menu on your PSP. Launch the PSP Update ver 6.61 .
Your PSP must be on Official Firmware (OFW) version 6.61. If you are on an older firmware (like 6.60 or lower), you must download the official Sony 6.61 update file for your specific model (Standard PSP or PSP Go) and update your console normally before proceeding. 2. Battery and power essentials Never attempt to flash permanent files on a low battery. Charge your PSP battery to at least 78%.
This guide explores what makes this specific pack exclusive, why Infinity 2.0 is a game-changer, and how it simplifies the modding process for every PSP model. The "Infinity" Breakthrough
The PlayStation Portable is a timeless device, but without CFW, it is locked in a time capsule of UMD spinning and limited PSN access. The is the master key. psp 661 infinity 20 cfw pack by mrmario2011 exclusive
Once the Infinity 2.0 pack is installed, the PSP becomes a powerhouse of portability. You gain the ability to play game backups (ISOs) directly from the SD card, which significantly improves load times and saves battery life compared to using UMD discs.
While the individual files for Infinity 2.0, LME, and PRO CFW are available across the web, —a legendary figure in the console modding community—curated an "all-in-one" pack. Benefits of the Pack:
: Includes both PRO-C2 and LME-2.3 firmware files, letting you choose your preferred environment. Disconnect the USB cable and navigate to the
All files are verified to work together without bricking risks.
Highlight the custom firmware you installed in Step 3 (e.g., ) and press X . An asterisk ( * ) should appear next to the firmware name, indicating it is now set as the permanent boot target. Press the Home/PS Button to exit Infinity.
The PSP stays in custom firmware mode even after a full shutdown. Universal: Works on PSP-1000, 2000, 3000, Go, and E1000. If you are on an older firmware (like 6
From your downloaded pack, copy the following to your memory stick:
The Infinity pack mitigated this risk significantly. It included a "Chronoswitch" mechanism that allowed users to downgrade or switch firmware versions if they desired, and a recovery menu that was robust enough to save a semi-bricked console.
: Convert your favorite original PlayStation 1 games into EBOOT.PBP files and place them in PSP/GAME/ to play PS1 titles natively with custom button mapping.
: Run optimized emulators for the Game Boy Advance (gpSP), Super Nintendo (SNES9xTYL), and Sega Genesis (Picodrive).
Format your Memory Stick Pro Duo (or MicroSD via Adapter) using the PSP’s system settings. This clears corrupted data. Connect the PSP to your PC via USB.