If you have an unpatched Switch running Atmosphere or SX OS (legacy), follow this step-by-step:

If we interpret "Steven Universe: Unleash the Light - Switch NSP, D UPD" as a reference to a hypothetical or real video game scenario:

Steven Universe: Unleash the Light (2020) is a turn-based RPG developed by Grumpyface Studios. On the Nintendo Switch, it is distributed via the eShop as a licensed digital title. The string “switch nsp d upd” refers to a decrypted, installable package (NSP) that includes base game plus an update. Such files circulate outside official channels, often used with custom firmware (e.g., Atmosphere).