Ensure you are using the correct DLC Unlocker NSP. It is a small file (typically around 150 kb to 150 kb). Attempting to use incorrect or corrupted unlocker files is the primary reason quests like "March of the Dead" or "Thirst" fail to start.
: Essential for bug fixes and stability. Major updates, such as the Anniversary Update the elder scrolls v skyrim switch nsp update dlc portable
Skyrim is a demanding title. Expect about 3–4 hours of battery life on a standard Switch and slightly more on the Switch OLED or Lite. Carrying a power bank is highly recommended for long trips. The Anniversary Edition Upgrade Ensure you are using the correct DLC Unlocker NSP