Impossible on a PSP 3000/Go/Street. Infinity 2.0 does not touch the "IPL" (initial program load) on those models. On a PSP 1000/2000, if you brick, use a + Magic Memory Stick to recover. The MrMario pack is tested to avoid bricks.
The story of the PSP 6.61 Infinity 2.0 CFW Pack by MrMario2011 psp 6.61 infinity 2.0 cfw pack by mrmario2011
Custom firmware (CFW) is a modified version of the PSP's operating system that allows users to run homebrew applications, play games from other regions, and enjoy features not available on the standard firmware. CFW packs like the Infinity 2.0 offer a wide range of enhancements, including improved performance, new user interfaces, and compatibility with a vast array of homebrew software. Impossible on a PSP 3000/Go/Street