It’s almost impossible to remember a time without smart phones—how did we survive without having everything right at the tips of our fingers? Since it’s big initial release back in 2007, iPhones have been a top-selling mobile device. With that said, there’s still a lot about these precious phones that the engineers in the lab have been keepin’ under the radar. From how to save your battery life to customizing a shortcut menu, here are some interesting iPhone hacks that you won't believe you…
