Using generic NFC Tags to unlock Smart Lock U200 - problems connecting the tag to the keypad

[JohnD]

Hello and welcome to the forum.

Are the tags empty, or did you write some text on the NFC tag using an app like “NFC Tool", for example?

Edit: Check out this post…

Guide: Use one generic NFC tag on multiple Aqara U200 locks

My goal was to use one card/keyfob to access two different physical locations. Before testing generic NFC tags, I also tested the official Aqara NFC cards. In my case, the official Aqara NFC card could not be used on two U200 locks at the same time. When I enrolled it on the second lock, the first lock no longer accepted it. With the initialized generic NFC tag, the behavior was different: the same physical tag could be enrolled and used on both U200 locks at the same time. I tested generic M…

I’m not sure if your tags will work, though. Mifare Classic 1K should work.