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New 3DS microSD Management - connecting from Linux

Author

Ava Richardson

Published May 08, 2026

Anyone managed to get the "microSD Management" (on the New 3DS) tool to work on anything other than Windows yet?

From Windows I can see my 3DS, and browse the SD card share, but I've yet to be able to connect to it from Linux (which can connect to other Windows shares fine) or my Android Tablet (using ES File Explorer, which again can connect to other Windows shares without issue)

More info, if you've got no idea what I'm talking about:Nintendo support site

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2 Answers

I scan ports, microsd management use port 139 (netbios). Give a permanent private adress to your 3ds (ex : 192.168.0.2) Try this adress on your browser windows: smb://192.168.0.2

Or find a apps about netbios accès.

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This has been driving me nuts forever but I finally got it working by manually mounting it from the command line like this:

mount -t cifs //<name>/microSD /path/to/mount -o user=<username>,password=<password>,ip=<ipaddress>,servern=<name>
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