I switched my cell company from Sprint to T-Mobile because of the service. I now am having tons of problems with T-Mobile. Let me start by saying I have major heart issues and depend on my cell phone for doctors calling me if there is a problem with my defibulator/pacemaker. I have the T-Mobile Dash (Black) which is made by HTC. The phone has an windows update feature that now gives me an error message. I keep getting told by T-Mobile that the phone has no update and that is why it is not working. If that is true than why am I getting an... read full review »