Whether it’s an Android or iOS device, on the box of your device the IMEI number should be printed. In some cases, you can find it on your receipt as well.

You find iOS/Android annoying, and all your friends say Android/iOS is, like, way better. So you've finally decided it's time to switch phones. Let's do it.

With thousands of hours testing phones and tablets, we know iOS and Android. Read to learn which is better for you—or if it’s even worth switching.