@NorthCote Hi, thanks for posting question here. It is suggested to follow Case3 in the troubleshooting guide, then contact local technical support for further help if necessary.

@NotVeryTechSavy Hi, thanks for your update. I am afraid that you mixed the working principle of the 2 network devices. Your powerline adapters/extenders do not support Ethernet backhaul. Or we do...

@vitumen Hi, thanks for your update. Now we could understand what you mean. While it is a pity that there is not such a design on Archer C86 anymore.

@icek89 Hi, thanks for posting question here. You may refer to this thread. Also, please make sure you are using the latest firmware.

@SoulLegend_ Hi, thanks for posting question here. You may take a factory reset and reconfigure the router again. When setting up wireless settings, please make sure Smart Connect is disabled and set...

@GIC7019 Hi, when your client is connected to Archer AX53 wirelessly or via Ethernet cable, is there any issue if you use Whatsapp?