The Nsp File Is Missing A Programtype Nca Upd

stands for Nintendo Submission Package . It is the digital distribution format used by the official Nintendo eShop. An NSP file is essentially a container (much like a .zip or .rar ) that holds one or more NCA files plus a certificate ( .tik ) and a metadata file ( .cert ).

nscb builder -i "update.nsp" -t nsp --unpack the nsp file is missing a programtype nca upd