@Feb No, that's not possible. You can't upload FW release created for one HW version to device with a different HW version:

@JamesU2020 Here's a guide on how to update the Deco FW. You can use method 1 or 2.

@Feb It appears that WDS feature has been removed in the latest HW v3 of the Archer VR400. In older HW v1 and v2 this feature exists and that's the configuration guide.

@LeveeBank For the router#2 WAN port: For the router#2 LAN port: For the router#2 DHCP server:

@AForce Connect to your router by an ethernet cable to isolate wireless issue you have. Set the wireless channel and channel width to "Auto", then test the wireless connectivity on 5Ghz band. If...

@AForce You maximum bandwidth on a wireless connecton depends on what wireless band you're connected at the moment. To enjoy the full potential of your wireless speed you have to be connected on the...