A little less than a month after the last update, Nintendo’s hybrid console firmware still has files to download and install to ensure you have a more decent overall experience.
See also: Japan: Nintendo Switch exceeds 20 million mark
Do not be fooled. With Nintendo Switch updates 12.0.1 and 12.0.2 released on April 19 and May 11, respectively, 12.0.3 works in the shadows and remains completely unclear about the changes made.
That’s what Sticky notes
Version 12.0.3 (released June 7, 2021)
Overall console stability improvement for the best user experience.
To update your Nintendo Switch or Nintendo Switch Lite manually, just go to the Console Settings menu and then go to the Console submenu at the bottom of the left column if this is not suitable for you. There you will find the Update Console option.