Do nothing - dont cancel. Just sign up to another ISP and use that. When VM eventually get their act together and install it - you will have 14 days to test it out and cancel it at no cost - with the knowledge that you have a working VM connection if you want to re-join in the future
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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.