Nintendo third-party dock restrictions

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With the release of the Nintendo Switch 2, Nintendo added encryption methods to the bottom of the hand-held console's USB-C port using a new encryption method as well as an encryption chip. The USB-C port communicates with the cable inside the dock, giving it specific instructions on the correct amount of power delivery to the console as well as permissions for the video output. This is believed to be intentional, in order to keep the console from connecting to any USB-C accessory not given approval by Nintendo, as well as disallowing third-party manufacturers from making docks that will work with the Switch 2 in the long term, as firmware updates cause these third-party docks to become ineffective and unusable with the console.

Background

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Incident

Sean Hollister, senior editor at The Verge, tested these encryption methods. Using a diagnostic device, Hollister took note of the data being transferred between the Nintendo Switch 2 and the dock that comes with the console. He noticed that the two devices communicate and respond with each other over thirty times before video output is confirmed. This behavior is not observed with most other USB docks, unless they have gotten around this encryption.

The Antank s3 max is a notable example. This third-party dock communicates with the console in a similar manner to the official dock and, in turn, will support video output and power delivery. It is unknown how long the dock will continue to function, as at any time Nintendo could roll out a firmware update and change the encryption system entirely.

Nintendo's response

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Consumer response

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