You know what hasn't changed, though? Battery life. Sure, the actual battery has been made physically smaller than the iPhone 6, yet somehow it lasts just as long.
That said, as much as we love our iPhones, they're just not the longest-lasting mobiles on the block and sometimes struggle to make it through a heavy day of usage on a single charge unless you've gone Plus-size. That dreaded 'battery low' alert can pop up at the most inopportune of moments, but not if you make 'eking out' your speciality.
1. Do some detective work
