The official unveiling of the iPhone 6S and 6S Plus is less than two weeks away. Apple Inc. (NASDAQ:AAPL) has officially sent out invites for its big media event scheduled for September 9. Though a plethora of leaks over the past few months have revealed almost every major detail about the iPhone 6S and its bigger sibling, the latest leaks may disappoint a large number of users. Will iOS 9 help offer better battery life? Chinese website CNBeta, which has a pretty good track record of revealing Apple product details ahead of their launch, has obtained the retail package of the iPhone 6S Plus. The publication reports that both the new devices will have a smaller battery compared to their predecessors. The iPhone 6S... More