@cramasca Thanks for your reply. Try to disable the firewall or anti-virus software on the front-end device/modem; and you can change its DNS to 8.8.8.8 to give it a go. Meanwhile, may I know the...

You are welcome; any further problem, please let us know.

@thefunkygibbon Thanks for your feedback, our engineers are working on it and will email you later to follow up. Please check your inbox.

@Cobalco Sorry to hear that, you can give seller a call to verify the warranty. Any further problem, please let us know.

@Alan062 Thanks for your cooperation and reply. From the wired speed, the M4 should be working properly. I think it is more related to the wireless negotition speed obtained by wireless devices which...

@Unk What is the current network topology/diagram？ Do you use the Archer VR600 as 3/4G router mode with a 4G dongle? The VR600 supports Tether app in regular DSL modem router, but cannot use it to...