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September 4, 2025

Nintendo Switch System Update 20.4.0 Patch Notes

byAlex Seedhouse

1 minute read

Nintendo has released a new Nintendo Switch system update worldwide, with the portable home console’s current firmware version now 20.4.0.

The patch notes state that this has implemented “system stability improvements,” offering little insight into what the company may have implemented.

From this system update, tinkerer OatmealDome has observed that “the controller-handling code and the web browser were updated.”

Nintendo Switch System Update Version 20.4.0 Patch Notes

General system stability improvements to enhance the user’s experience.

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About the Author Alex Seedhouse 26,252 posts

Alex Seedhouse has specialised in covering Nintendo within the games industry for 16 years, attending the Electronic Entertainment Expo (E3), gamescom, and other events to do so. He has led Nintendo Insider's coverage through three console generations, and, as a Metacritic-approved critic, his reviews have helped shape the critical conversation for hundreds of games. Follow him for expert insights into Nintendo Switch 2 hardware and the latest games coming to the portable home console successor.

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