Exactly the same happened to me I bought my new memership it was working and suneddly it stop working. My phone is a samsung s2. No settings were change in the phone so I think It's something to do with the networl
Hey everyone, seems I missed out on a lot of conversation! Anyway I seem to be in the same lucky boat as leetko above. This morning everything was working perfectly again (blue bars, good speed). I can't really help you as regards what I did to get it working, as I didn't do anything else last night! Thanks to everyone for all the help and advice!