@adios These problems are definitely firmware related. There are no problems at all with the 2.4 GHz WiFi and TP-Link's firmware version 1.2.1. Cheers Su

@nightfever I tried that too, but with 1.3-beta-something on the first Archer C6 and 1.3.0 on the 2nd Archer C6 it didn't work. Like mentioned here, installing OpenWRT through the web interface does...

@dIaBoLyK You can set up a tftp server on Windows or iOS too. It does not have to be Ubuntu/Linux. The steps are the same once you have the tftp server running. Cheers Su

No, it is not. The only way I was able to flash firmware 1.2.1 over 1.3.x is the way described on the mentioned website. Maybe there are others solutions, but that one worked for me. Cheers Su

Hi all, I have two Archer C6 v2.0, bought in April and July 2020. They both had the 2.4 GHz issues, but work fine for 5 months in a row now. The one bought in April had originally the firmware...