: Move the downloaded themes to your PSP's memory stick. The exact location may vary depending on the theme format and your PSP model.
A PSP CTF theme pack is a collection of custom themes, wallpapers, and other visual elements that can be installed on a PSP device. These theme packs are designed to enhance the overall aesthetic of the PSP, allowing users to personalize their device to suit their style. CTF theme packs are specifically designed for PSP firmware versions 6.00 and higher, including the popular 6.60 firmware. psp ctf theme pack 660
Move your .ctf files into the PSP/THEME/ directory. : Move the downloaded themes to your PSP's memory stick
In short, a CTF patches the XMB (XrossMediaBar) in real-time, hooking into sceVsh* modules. It’s a form of . psp ctf theme pack 660