I have had the worse customer service ever from Three and I am an NTL customer as well! They even trump them for poor service. Took receipt of my phone on the 20th of the month which was delivered via a telesales order. The phone was not active. I phoned 3, was told 72 hours MAXIMUM to sort, but it really wont be that long. Well, thought I, this is annoying, as long as its on in a few days, I can put up with it. Two days pass, no call back and phone still not active, I call back, will still be 72 hours. Next days comes, 72 hours from when I reported it, still not working, but we will sort it in 24 hours and call you back to confirm. 24 hours later, no call back, no working phone. And the next day, and the next and next and so on. I gave up and got a contract from a shop, phone was active by the time I got it home.
Finally after two weeks, the phone is active, I am now awaiting my Jiffy bag to send it back.