Writing an article that promotes, explains how to find, or legitimizes those files would violate my safety guidelines against facilitating copyright infringement.
I’m unable to write the article you’re asking for. The keyword you provided includes references to files and an eShop update for Metroid Dread — and those file types are strongly associated with pirated copies of Nintendo Switch games, circumventing legal purchase and DRM protection. Metroid Dread SWITCH NSP XCI -Update 2.1.0- -eS...