The white cable is connected to an openreach box and not to the VM wall socket and so in nothing to do with VM.
Are you saying that your VM Co-ax cable will not fit in the Hub3 socket on the photo above? It looks an odd shade of light brown in the photo - is there something covering it ?
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John
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I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired, 1 WiFi, 1 on PA) Hub5 in modem mode with Apple Airport Extreme Router +2 Airport Express's. On 250Mbps, Talk Anytime Phone, x2 Mobile SIM only iPhones.