Sometime after I bought my S6, I dropped it and broke the screen. At a cost of $150, they sent me another one. Several days later, all of my address book entries were changed to addresses like "Joe's Pizza". I took it in, and they had to copy all of my address book from my older Galaxy S4. What I would like to know is, how did my entire address book get hosed? Is the S6 an inferior product?