If your console is already on official firmware (OFW) 6.61, skip to Step 3. If you are on an older firmware version: Disconnect the PSP from the PC. Navigate to on your PSP XMB menu. Launch the PSP Update ver 6.61 . Follow the on-screen prompts to update your console.
Note: Always backup your Memory Stick files before modifying the PSP. Step 1: Prep and 6.61 Official Firmware Connect your PSP to the PC.
This article is based on the 2026 standard for PSP modification. Always ensure you are using the latest version of Infinity 2.0 from authorized sources. If you are planning to do this, I can provide:
The PlayStation Portable (PSP) remains a favorite for retro handheld emulation, and the is the definitive modern toolkit for modifying it. This comprehensive guide details what this custom firmware (CFW) pack is, why it is essential, and how to safely install it on your device. What is the PSP 6.61 Infinity 2.0 CFW Pack?
This pack works on all PSP models (1000, 2000, 3000, Go, and Street). psp 661 infinity 20 cfw pack by mrmario2011
Check your . It should now read 6.61 PRO-C∞ (the infinity symbol confirms it is permanent). What Can You Do After Modding?
Open the extracted folder and locate the PSP directory. Copy this directory and paste it directly onto the of your PSP memory stick (merge/overwrite if prompted). Step 2: Update to Official Firmware 6.61 (If Needed)
Run your own legal backups of UMD games directly from the memory card, decreasing load times and saving battery.
Run flawless emulators for the Game Boy Advance, Super Nintendo, Sega Genesis, NES, and PlayStation 1 (PSX). If your console is already on official firmware (OFW) 6
: Re-open the Infinity app, navigate left to the CFW selection screen, and highlight your installed CFW (an asterisk should appear next to it) to make it permanent. Why Use Infinity 2.0?
, simplifies the process of installing on any PSP model, including the previously difficult-to-mod Go to product viewer dialog for this item. Go to product viewer dialog for this item. PSP Street (E1000) What is 6.61 Infinity 2.0?
No need to re-run a "Fast Recovery" tool every time your battery dies or you hard-reboot the console.
Yes, the 6.61 Infinity 2.0 pack is fully compatible with the PSP Street model. Launch the PSP Update ver 6
The final official update files required for standard PSP models and the PSP Go.
First, let’s decode the name:
: The PSP Infinity 2.0 Install Guide by MrMario2011 provides the most up-to-date walkthrough for versions 6.60 and 6.61.