Out of interest.... did they say "why" they were unable to connect a v6 upstairs. I have one in an upstairs bedroom and its quite common to have these on the first floor at least.
What house/flat layout are you in?
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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 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.