Hi, that I know of the only modem / router that can be suitable for the UK that Tp-link has for your needs (i.e. basically with Annex A protocol) is the VX220-G2v model and it is also a Voip model,...

Archer - VR2800 or Archer VR2800v?

... try to put the latest firmware for your country if it exists, then do a nice reset with the generally rear button, and redo the configuration ... if the problem persists in this case contact...

Before starting with the technical part, did you update the firmware to the latest version for Australia?

The database to be updated has never existed, that is, and that you have to keep ... unfortunately it has been like this for years!

Then the actual and Amazon fault or one of his couriers, you can request the spare part for these reasons, or if the product to be replaced and arrived because used or treated bad during transport,...