A Sony Memory Stick Pro Duo (or MicroSD adapter) with at least 500MB free. Step-by-Step Installation Guide
: Customize your PSP experience with plugins that allow you to take screenshots, categorize your game folders, or overclock the PSP processor for smoother frame rates. To ensure your setup is perfect, tell me: What PSP model (1000, 2000, 3000, or Go) are you modifying?
Press the directional button on your PSP pad to enter the firmware selection screen.
Infinity 2.0 can work on the Street model, but it carries a higher risk of bricking and requires extreme caution. Many developers recommend using temporary CFW for the Street series instead. Materials Needed A compatible PSP console.
Infinity 2.0 allows you to actually choose between PRO or LME firmware within the same install. Modern Fixes:
As you can see, for a fresh installation on a PSP in 2026, the is the recommended standard due to its continued development and modern feature set.
If you have a PSP gathering dust in a drawer, this CFW pack is the perfect excuse to charge it up and start playing again.
: This method works on the PSP 1000, 2000, 3000, and PSP Go. (Note: PSP E1000 Street models can use Infinity 2.0, but extra care must be taken with firmware choices).
The PlayStation Portable (PSP) is a legendary handheld console that has been a favorite among gamers for years. One of the most exciting aspects of the PSP is its ability to be customized and enhanced with various firmware packs. Among the most popular and enduring of these is the PSP 661 Infinity 20 CFW Pack by MrMario2011. In this article, we'll take a deep dive into the world of custom firmware and explore the features, benefits, and installation process of this iconic pack.
Because of these features, the is the top result on Google for anyone searching “how to hack PSP 6.61.”
The PSP 661 Infinity 20 CFW Pack by MrMario2011 is an exceptional custom firmware package that unlocks the full potential of your PSP-661 console. With its Infinity Mode, Adrenaline plugin, and customization options, this CFW pack offers a unique and enhanced user experience. While installation requires some technical expertise, the benefits and features of this pack make it well worth the effort.