Installing updates and the Master Trials or The Champions' Ballad DLCs is incredibly difficult when using a single WUX image.
You can accomplish this using a community tool called or JWUDTool . These tools use your encryption keys to decompress and unpack the .wux image into the standard code , content , and meta folders. Once unpacked, you can easily install the latest BOTW updates (version 1.5.0) and DLCs via Cemu’s built-in file installer, allowing you to use graphics packs to push the game to 60+ FPS and 4K resolutions. botw wux file