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Go to and launch PRO Update (or LME Installer). Press X to install the firmware.
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The "PSP 6.61 Infinity 2.0 CFW Pack" archive files extracted onto your PC. Step-by-Step Installation Guide Phase 1: Update to Official Firmware 6.61 Connect your PSP to your computer using the Mini-USB cable. Navigate to the PSP/GAME/ directory on your memory card. psp 661 infinity 20 cfw pack by mrmario2011
: The PSP Infinity 2.0 Install Guide by MrMario2011 provides the most up-to-date walkthrough for versions 6.60 and 6.61.
As mentioned, this is the biggest selling point. You don't need to worry about your PSP losing its hack if the battery dies or you power it down for travel.
: Install your chosen custom firmware (e.g., PRO-C2) as you normally would. This public link is valid for 7 days
MrMario2011 is a highly respected figure in the console modding community, known for his crystal-clear, step-by-step video tutorials. His custom compilation pack simplifies the entire modification process by gathering all necessary tools into a single, clean directory structure. Benefits of the Pack:
This guide explores why this pack is the standard, how it works, and how to utilize it to transform your PSP into the ultimate handheld emulation machine. What is the PSP 6.61 Infinity 2.0 CFW Pack?
If you're ready to breathe new life into your PSP, start by searching for . Follow the video step-by-step, ensure your console is powered and your memory stick is backed up, and you'll be enjoying the full potential of your handheld in no time. Can’t copy the link right now
The isn’t the only way to mod a PSP — but it’s easily the most beginner-friendly and reliable for 6.61. If you have a dusty PSP in a drawer, grab a MicroSD adapter, follow his video guide, and unlock the handheld Sony should have built from day one.
And the best part? Power off completely, turn back on — still modded. No re-activation needed.
So, what makes the PSP 661 Infinity 20 CFW Pack so special? Here are some of its most notable features: