@kirkri Sorry, it was a human mistake. I downloaded the beta FW into wrong folder and I installed the official FW instead of beta, every time. The Ethernet Backhaul is working correctly. kirkri wrote...

@TRYAN Hi, Yes, I did these steps.

@Sunshine Hi, I have an AX80(v1) and an AX55 (v1) router. I can use the EasyMesh via Wireless Backhaul without any problem. (AX80 is the main, AX55 is the satellite router) I got this link for AX55...