The PARAM.SFO file was correctly modified to reflect the 3.55 firmware requirement, preventing system-level launch blocks.

Designed specifically for the BLUS30524 (US) or BLES00942 (EU) versions of the game.

Highlight Max Payne 3 and press the button to open the Game Settings menu.

For a long time, firmware version 3.55 was the holy grail of PS3 customization. It was the highest firmware version that allowed users to easily install custom firmware without hardware modification. However, as newer games were released, Sony mandated that they include keys requiring higher firmware versions (such as 4.11 or 4.20) to run. The Role of the EBOOT.BIN File

However, this progress was abruptly curtailed. As Sony released Firmware updates beyond 3.60, a new obstacle emerged: newer game discs and digital releases required minimum firmware versions higher than 3.55. These "FW 3.60+" games were unplayable on standard 3.55-based CFW.

: According to Digital Foundry , the PS3 version often provides a slightly sharper image than the Xbox 360, though it may lack some anti-aliasing refinements.

: The modified file, along with accompanying .sprx (PlayStation system library) files, was re-signed using the public 3.55 keys.

Max Payne 3 Eboot Patch PS3 CFW 355 Duplex: A Guide to Restoring Performance