PSP gamers seem to constantly talk about custom firmware and the benefits of having it on the console. You'll find hundreds of forums and websites containing guides, tips, tools, and downloads on CFW all over the web.
Here are some of the main features provided by CFW:
1. You can watch movies from all regions.
2. Run emulators for old console platforms such as NES, SNES, Genesis, Atari, etc.
3. PSP games can play directly from the memory stick.
4. Custom XMB themes can be installed.
5. Full support for third party homebrew applications.