@pathdue When this phone cannot access the router via the Tether app, is it connected to the 2.4G? Is the guest network enabled or disabled? If possible, try with another phone and see how it goes....

@CaptainKirky Is your router Archer C6 or A6? How is it connected to the network? Is it working as the main router or as an access point?

@StefDrop Hi, as far as I can tell, there is no big difference as per the Wi-Fi specifications between the AX11000 and AX6000, you may compare them as the below:...

@SeptianM Hi, I have sent you a PM, please check and confirm, thanks.

@rko023 Have you purchased this Archer AX73 already? I'm afraid it is not supported to set a bandwidth limit for the guest network on it.

@GabrielTudor Can you describe your issue in detail, then we can try to help you out? Thanks.