Are you having trouble with a during the update process? How to Update Software on Nintendo Switch
To avoid manually checking in the future, you can set your console to download patches automatically: Go to from the Home Menu. Scroll down to the System tab at the bottom. TUNIC Switch NSP Update (eShop)
Go to your User Page (your icon in the top left), select User Settings , and choose Update Download Progress to see if a task is stalled. Are you having trouble with a during the update process