@Woodey How did you setup the wireless network name and password of TL-WPA4220? With the WPS button or the tpPLC utility. Please unplug it for a while and take some time to test the stability of the...

@Nathan1975 Hi what is the model number of the extender? Please hard reset it, and then you can log in to the web UI with admin and go to quick setup to configure with the main router's wifi...

@SH_ILJ What is the model number of the Virgin Media hub? Is it RE300 or RE305? What is the led status of the extender? Please show us a screenshot of the status page and network page of RE.

@NIZAMI Here is the download link of the firmware for RE650. https://www.tp-link.com/support/download/re650/#Firmware You can refer to this instruction to update it....

@Stu-reality Actually both are okay, you can access internet from both of them. While you can choose to connect to the stronger wifi.

@OleksandrK What is the led status of the RE305 v3? Please log into the web UI of RE305 after the initial setup and show us some pictures. First, the network map page, please click extender's icon...