As this involves modified hardware and pirated DLC, it is not supported by 2K Games or Microsoft.
The "Uncut" label usually refers to the German version of BioShock, which was famously censored to remove blood and dismemberment. This specific release likely provides the files to restore that missing content to the German version or provides the uncensored International version in a format compatible with modified consoles. Bioshock Uncut [Jtag/RGH DLC]
Downloads found under this specific title on various forums or file-sharing sites often come from unofficial sources. Using them may carry risks of malware or corrupted data for your console's operating system. As this involves modified hardware and pirated DLC,