When Steve Jobs launched the first , he described it as ‘literally five years ahead of any other mobile phone’ - and the device’s slick touchscreen was a big part of that.But if you’ve got your hands full or you’re in a hurry, there are now a lot of functions you can unlock on the iPhone without touching the screen.You can do everything from turning on the torch to opening your favorite apps by clicking buttons, tapping on the device, or using
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