RFXCom doesn't work after upgrade OH3.1 to 3.1.1

Setup, Configuration and Use Beginners
1

Actual config : Raspberry PI4, OH 3.1

After I upgrade OH3.1 to OH3.1.1 I’m a little bit confused.

In OH3.1 the RFXCom thing is based on TTYUSB0 and works without any problems.

After the upgrade to OH to 3.1.1 (last stable version) TTYUSB0 in /dev path is gone and in result, the RFXCom bridge never works (what is clear without port :slight_smile: ) .

I’m confused why I don’t see any context related between the upgrade OH3 and the devices on the raspberry. But I’m not so familar here and hope someone has an idea.