@WillDavison What's your ISP service type (using VR400 leads me to believe it's a DSL service - is that correct ?). There's a better approach - continue to use VR400 as you main router and set AX12...

@A_J Archer C5 v4 is a device targeted to ISPs - that's the reason you can't find its FW release. If you have received the device from your ISP, its best to contact them for assistance.

@Kakhaber Follow this thread's solution.

@SharkAttackRJ You can use a Deco of your choice - they can be mixed to work together. How to add an additional unit in your Deco network - details. Can different Deco models work together ? -...

@TechKeshi If you plan to setup an OpenVPN server in your LAN with an IP address 192.168.1.100 (for example) you have to open the ports I mentioned earlier here: The same way you can add the other...

@DiegoJR Check this thread for answers.