Sony built a PS1 emulator into the PSP. With CFW, you can convert your own PS1 discs (using PSX2PSP ) and play them perfectly. The 6.61 version includes "Popsloader" to mimic older PS1 firmware for problematic games.
Use plugins like cwcheat for cheat codes, or apply fan-translation patches to Japanese ROMs (like Trails in the Sky or Ys vs. Sora no Kiseki ).
To further expand your system's capabilities, you can install specialized plugins that the community often discusses on : psp custom firmware 6.61
This is the most critical section. Not every PSP can be "permanently" hacked.
Whether you have an original "Phat" PSP-1000 gathering dust in a drawer or a sleek PSP Go, this guide covers everything you need to know about the 6.61 Custom Firmware era—from the history of the update to the step-by-step installation process and the incredible features it unlocks. Sony built a PS1 emulator into the PSP
Installing Custom Firmware (CFW) on version 6.61 is the modern standard for unlocking any model (1000, 2000, 3000, Go, and Street/E1000)
Firmware 6.61, released in 2015, is the final official update Sony issued for the PSP. Modding this version is essential for: Use plugins like cwcheat for cheat codes, or
: Enables custom animated themes (CTF files) that overhaul the look of the XMB.