Brand and model of the smart plug?
And what model SmartThings/Aeotec hub do you have?
Matter is still very new and different platforms are rolling it out in a different sequence with different features and everything can be a little glitchy. But in most cases with a little extra work, you can get it to connect appropriately.
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did you connect the plug to Google home via matter or via a native integration? (This is one reason we need to know the brand and model)
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did you connect it using an iPhone or an android phone? And was it the same device for both Google home and SmartThings?
Also, did you use a Samsung galaxy phone? That has an additional integration option with Google for matter home that may or may not work well.
- is this the first time you’ve connected a matter device to SmartThings? If so, just take a quick look through the following checklist:
FAQ: What do I need to add a Matter device to the SmartThings app? Do I need a bridge router device?
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make sure the firmware on the device is up-to-date. This may require using its own app, even though you’re not supposed to have to do that with matter.
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after you added it to Google home, what exact steps did you take to add it to SmartThings? In particular, did you use the Google home app to generate a matter pairing code for it? When you want to use a device with more than one platform, you start by adding it to one platform and then you have to use that platform to generate a matter code to add it to any other platform . So you can’t use the same process with each platform: the process for the very first platform will be different than for all of the others.
If you started with the Google Home app, and you then want to add that device to SmartThings via matter, you have to go to the device details in the Google home app and choose “linked Matter apps and services” and generate the join code from there. Then you open the SmartThings app, say you want to add a matter device, and use the code that you generated in the Google home app.
(You may have done all that, I just wanted to be sure.)