@RobMc Correct, for the configuration, you need configure the Archer VR400 as the regular DSL modem router with the username and password given by ISP. After you finished the configuration and ensure...

@moselmy Try to change the channel width of 5GHz to 80MHz, after that, please check the negotiation speed. Besides, you can change another device to test the wireless negotiation speed of 5GHz to...

@Elia Hello, please check the inbox, we sent you the download link of the beta firmware again. May it help.

@Alberto66 Thanks for your reply. The Archer VR900 is an ADSL/VDSL modem router, for the VDSL connection, the maximum speed is 100Mbps, it is fixed and decided by the technology. Cannot be changed....

@Alfa Has replied to you https://community.tp-link.com/en/home/forum/topic/95664?replyId=380788

@babasse29 Hello, what is the hardware version of your Archer VR900? Meanwhile, please check the country version, which is printed on the back label, next to the model number. Thanks in advance.