Insert the disc into your PS2. If you have a modchip, just turn it on. If you are using MechaPwn (unlocked slim), it will boot natively.
The screen flickered. DISC IDENTIFIED. APPLYING PATCH: [NEW_FIX_V12.BIN] codebreaker ps2 v12 iso fixed new
The "Codebreaker PS2 v12 ISO Fixed New" refers to a community-patched version of the original PlayStation 2 cheat device software. This specific modification addresses long-standing compatibility issues that plagued official releases, particularly version 10, when used on modern hardware or homebrew setups. Key Features and Improvements Insert the disc into your PS2