You might ask: “Why not just use Chronoswitch or the official Davee installer?”

Your PSP/GAME/ should now look like:

Follow the on-screen prompts from Sony, accept the user agreement, and let the system flash the update.

: Copy the PSP and seplugins folders from the pack to the root of your memory stick.

Check your System Information page; it will now read (or LME), but it is still temporary. If you turn off the console now, it will revert to stock.

Popular tech creator compiled a comprehensive, all-in-one pack. It eliminates the guesswork of downloading separate files from fragmented forums, uniting the Infinity bootloader with the two most reliable Custom Firmwares (CFW) available: PRO-C2 and LME-2.3. Supported PSP Models

While Sony sold PS1 classics on the PlayStation Network, a modded PSP can convert almost any original PS1 game disc image into a playable digital format ( PBP files) utilizing the PSP’s native built-in hardware PS1 emulator. 4. Custom Themes and Plugins

This is the beauty of Infinity 2.0.

The Ultimate PSP Modding Guide: Deploying MrMario2011’s PSP 6.61 Infinity 2.0 CFW Pack

The raw Infinity 2.0 installer is purely a "bootloader manager." It doesn't actually include the custom firmware itself. You would normally need to: