It seems like every week we're learning more and more things about the various functions of an iPhone. From the gadget being able to tell us when it's going to snow, to even being able to detect when you've been in a car crash on the newest model, it seems like it has it all.
And did you know that your lock button has many more functions than you probably first realised? Located on recent models on the right-hand side of the screen, depending on how many times you press it, it'll produce different results and will be able to help you with different things.
