Aussie_Pete wrote @Wayne-TP thanks for getting back to me. As I said it only happened after the update of the firmware on two of the c320ws cameras. To rectify I had to uninstall the tapo app and...

@cobuserasmus You may refer to the suggestions here. Troubleshooting: Tapo Robot Vacuum Not Emptying When Connected To Dock

@DuncanBur Please ensure both hub's firmware is updated. Reboot the hubs might also help. How to Update Tapo and Kasa Device Firmware via the Tapo App What devices (model) do you have on the Tapo...

@GreenOfHeart Try using another phone and switching to a different network. If it still fails, contact support team for further assistance.

@Rmerj You may check the suggestions here: Tapo Solar Panel fails to charge the Battery Cameras

@Badscooter What kind of appliances are connected to your Tapo P304M? You may try to unplug all devices from the power strip, then unplug the P304M from the power outlet, wait for a few seconds and...