An official Switch update package (in NSP format) generally contains:
Place the .nsp update file onto your Switch's MicroSD card, or prepare it on your PC for USB/Network installation. LEGO Harry Potter Collection Switch NSP UPDATE
The collection includes Character Packs (Godric Gryffindor, Helga Hufflepuff, etc.). Without the update, the Switch would frequently "forget" these unlocks upon entering Sleep Mode. Update 1.0.3 patches the NVN API calls to ensure your DLC remains active. An official Switch update package (in NSP format)