Is this a known fault with the 1gb router?Mine fails to align any ip addresses by dhcp, it used to be every month, its now a weekly issue.

Since getting my Volt upgrade and new hub 4 my Internet speeds have dropped 20mb download speed, my WiFi keeps disconnecting to my amazon hub in the next room and I can't use virgin connect as it thinks I still have my hub 3.Who do I contact to fix t...