Apples much-anticipated iPhone 6 is expected to be the hardware giants biggest iPhone yet, but based on new reports, it could also be the slimmest. According to new rumblings from Taiwan, the iPhone 6 could sport a shaved-down battery that would allow the flagship handset to become thinner than any previous model. The report comes from Taiwans Digitimes, which notes that the next iPhones battery has a purported thickness of 2 millimeters, which is slimmer than the 3-millimeter battery found on all variations of the iPhone 5.