Install the update NSP over your existing base game. It will automatically overwrite the older version metadata. Consolidated Method (All-in-One)
: This update introduced HDR support for compatible TVs and GameShare support specifically for newer hardware. Super Mario Odyssey SWITCH NSP -Update-
For users who have obtained a legitimate copy of their game or are working with backups, here is the standard method for merging a base NSP with the file. Install the update NSP over your existing base game