Cloning WFC Config for two DSes ?

Hutch3G · 2026-08-25T23:21:36+0100

I was wondering if it's somehow possible to clone the WFC configuration from one DS to another. DS games with WFC are tied to the system. Doing a WFC transfer will allow you to move your config and keep your profiles when playing cartridges on another DS. But I can't find anything about this online, I was wondering if there was any way to have two systems act as if they're the same when connecting, as it can be a minor inconvenience to only use one device for online games. Unless that's considered illegal for the servers, however I would just be using one or the other.

Hutch3G · 2026-08-26T19:39:13+0100

Update on this: I was able to clone the WFC ID using the DSi Wi-Fi Manager program: https://github.com/tasken/dsi-wifi-manager

Essentially, the WFC ID is stored in slot 1 for the wifi configuration, so as long as you have a connection there, this program will back up all the data in that slot which also includes the WFC ID. So I transfer my WFC config from one DS to this DSi, back it up, then transfer it back to the original DS and restore the backup on DSi, now you can have duplicates!

If you do this, probably best to avoid connecting these at the same time. Although this would never be illegal as you are allowed to transfer the configuration back and forth normally.

Cloning WFC Config for two DSes ?

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