Switch 20.4.0: Stability and internal tweaks for both consoles

Last update: 02/09/2025

  • Update 20.4.0 focuses on stability improvements for Switch and Switch 2.
  • The community has detected internal changes to the web browser and controller management.
  • There may be unannounced improvements in backward compatibility and performance, yet to be verified.
  • An update is required to continue using online services; quick installation guide.

Switch Firmware Update 20.4.0

La New system revision is now underway on both Nintendo consoles. The version Switch 20.4.0 It is available through System Configuration, with a phased rollout beginning in early September.

In line with the latest firmware releases, this iteration puts the emphasis on Stability improvements and minor internal tweaks, with no user-visible features. The previous 20.3.0 update followed a virtually identical pattern, as the 20.1.5 update.

What's included in version 20.4.0

Switch System Update 20.4.0

Nintendo's official notes remain brief: The patch applies system stability-oriented tweaks to optimize the experience. No new features or interface changes are detailed.

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The scope is joint and affects equally Switch 2 and the original modelNintendo's regional documentation reflects the same message and confirms the download's availability from the console's menu.

Beyond the official statement, the well-known DataMiner Oatmeal Dome points to modifications under the hood. Among them, a setting in the internal web browser that uses the system.

It has also been touched upon code related to the management of the controls, although the exact impact is not specified. It could be minor corrections or preparation for future changes.

There are no signs of any other visible changes so far. Everything suggests a maintenance patch with silent tunings aimed at strengthening general functioning.

Compatibility and performance: what it may hide

How to update Switch 20.4.0

It wouldn't be the first time that an update of this type Incorporates improvements in game execution without appearing reflected in the notesIn a previous review, the community reported fixes that benefited Switch titles on the successor.

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With 20.4.0, the reasonable expectation is for a smoother and more stable operation, pending extensive testing. Community testing will clarify whether additional optimizations exist.

Caution is advised: there is no official confirmation on backward compatibility or performance increases specific in this patch, but any technical refinements could result in fewer one-off bugs.

How to update and other practical details

Internal Changes in Switch 20.4.0

To install the firmware, go to System Configuration > System > Upgrade systemIf your console is connected to the internet, the download should start automatically and complete within a few minutes.

Updating is a requirement for continue accessing online servicesIf you plan to take advantage of any active Switch Online promotions, be sure to keep the console up to date to avoid access blocks or failed multiplayer matchmaking.

Before proceeding, check that the battery is charged and that you have a stable connectionIf you notice strange behavior after the patch, a hard reboot and checking for free space often resolve minor issues.

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What remains, therefore, is a continuation scenario: an update focused on stability for Switch and Switch 2, with internal adjustments to the browser and controller controls, and the possibility of unannounced improvements that the community will be revealing in the coming days.

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