@dexyweescot What are the model numbers of the AC1900/AC2800? From your description, you want to use the Virgin media router as the DHCP server and use the two TP-Link routers to boost wifi signal,...

@Paulca What is the led status of the VR900 when wifi goes offline? Can you detect the wireless network at that time? Or is it still connected but no internet access? With computer connected to the...

@Ajs What is the current network diagram? How did you test the ping value? Does the ping spike affect the actual performance of the router? Please provide more information. Good day.

@LifeInVillage Hello, I'm afraid that there is no option to force it working in 3G only yet. You can try to create the connection profile manually with APN information to strengthen its stability. Go...

@Vijay123 What is the hardware and firmware version of your router? And where did you buy this router? In Ukraine? You can login to the web UI and verify whether you can find the option to change the...

@Dhruvks Where did you see the denied access message? Please show us a screenshot of this picture. When the WIFI does not show up, does the wifi LED come on? Try to disable the wifi function manually...