You could access numerous useful iPhone features by typing in a few secret codes on your device. Lots of the codes work whether you have an old or new iPhone and they can let you do things like ...

To find your iPhone's IMEI, you can use the Settings app, Phone app, Finder, or iTunes. You can also find the IMEI in the SIM tray of your device. If you don't have your iPhone with you, you can find ...

Thought you knew everything about your iPhone? Even that shiny new iPhone 7 you just snapped up? Think again, buddy. Beyond the world of camera shortcuts and battery-boosting features are a number of ...