User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-69.140.237.23-20120224222728/@comment-70.54.115.173-20120225013819

The update doesn't magically change the fact that Monster Hunter 3G was not built with DLC support. The newer 3DS development tools with DLC support were not distributed until after 3G was released. 3G was built with an older development kit that did not have DLC support.