Hello, I purchased my first iPhone 4, 8 months ago from a VZW store. To my understanding this was a brand new phone. Three weeks later, my iPhone froze and the button stopped working. VZW replaced it with a refurb, which lasted a little over 6 months. The middle key and external speaker then broke down and VZW sent me yet a new one, which stopped working a month after. The next refurb worked two days and my current one just one day.The last phone that worked for just one day was allegedly a new phone supplied by the Apple store in Towson, MD. I have also purchased the 7.99 insurance from VZW as well as AppleCare for $50/year. VZW is offering an iPhone 5, if and only if, I leave my unlimited plan which I do not want to do. They said that the iPhone won't work on my unlimited data plan and that I have to switch. When I told them it was the same OS they told me that it has some tweaks that prevent unlimited data. This sounds like hogwash. Any advice?