@NAVEEVXB I would suggest check if the negotiation speed on the internet/WAN port of the C6 is correct, you can follow this thread to do more troubleshooting if it is not.

@ddlnegocios Have you ever had a chance to test the 5G speed on another Wi-Fi 6 device? There seems to be a newer driver for the Intel AX210 adapter, you can update the driver, then test to confirm...

@veskur You can just email your request to their support email, no need to provide the model number but instead provide the MAC address. Their email can be support@tp-link.com.

@AlexTgrd Sorry, but I don't see you mentioned that in your original post. Anyway, can you confirm what is the negotiation speed you can get when the devices are connected to the AX73 via LAN cable?...

@labor222 Are you from Poland? This is their official tech support phone call: For users in Poland Telephone: +48 (0) 801 080 618 / +48 22 360 63 63 (for calls from mobile phones) Fee: According to...

@abdurahmonov Go through these troubleshooting suggestions if you cannot login to your TP-Link account.