My BB curve is a UK vodafone based phone and I have had no problem with web connection until I moved to Ireland. I put an irish vodafone sim card in and could not use my wifi any more. When I am back in the uk and put my original uk vodafone sim card back in my device I cannot get the internet through wifi either. 3g connection works fine where ever I am situated. In both instances my device is showing it is connect to a wifi signal but I cannot browse the web as a window is poping up stating there is a problem/cannot connect. Vodafone staff have been unable to help me. Any advice would be greatly appreciated.