I bought the Evo 4 days ago (6/9) and I love it. One thing I have noticed is that after I fully charge it, the battery drops down from 100 to 90 pretty rapidly (in a matter of minutes), and then after that the battery life is pretty good. I am using Battery Indicator. Is something wrong with the app or is something wrong with my battery? I don't know why it drops from 100 to 90 so quickly. Any responses would be appreciated, thanks!