: A PSP, a computer, a mini-USB cable, and a memory stick (preferably a Memory Stick Pro Duo adapter with a microSD card) .
Open the PSP’s storage. You should see a folder named PSP .
For a visual step-by-step walkthrough, you can refer to MrMario2011's Tutorial on YouTube .
The is a trusted, curated, and exclusive bundle that simplifies permanent CFW installation on any PSP firmware 6.61 unit. It remains one of the most downloaded community-made packs for PSP modding, especially recommended for users who want a single, tested set of files rather than hunting for components individually. psp 661 infinity 20 cfw pack by mrmario2011 exclusive
Go to System Settings > System Information . If successful, the version 6.61 will be followed by an infinity symbol ( ∞infinity Why This Pack is Still Essential in 2026
Run the Pro Update/LME installer from the Game menu to install the CFW.
: It functions perfectly on every single PSP model , ranging from the original 1000 to the budget-friendly PSP Street (E1000) and slide-screen PSP Go. : A PSP, a computer, a mini-USB cable,
, developed by Davee, resolved these legacy issues. It brought universal compatibility, rock-solid stability, and an incredibly low risk of bricking. MrMario2011’s exclusive pack bundles Davee’s revolutionary Infinity 2.0 tool with official Sony 6.61 firmware updates and the latest PRO and LME custom firmwares, creating a foolproof, drag-and-drop toolkit. Key Features of the Exclusive Pack
Run either the or LME Installer tool. (PRO-C2 is highly recommended for standard homebrew and ISO compatibility).
The custom engines that run your homebrew, emulators, and ISO backups. For a visual step-by-step walkthrough, you can refer
Connect your PSP to your PC via USB and format your Memory Stick/Internal Storage ( Settings > System Settings > Format Memory Stick ).
Unlike temporary CFWs that vanish upon a full shut down, Infinity 2.0 allows you to run PRO-C2 permanently. You won't need to re-run a hack every time you turn on your console.
: Often included in these packs to help users revert to a clean official firmware if they were on a previous, buggy mod.
To truly understand the power of this pack, you must first understand its individual parts.
Run backups of your UMD library directly from the Memory Stick.