FollowIPhone as same as any other smartphones available in the market has its own unique IMEI number. This IMEI number is a string of numbers that are unique to every individual iPhones that was manufactured. IMEI or in the long form is the International Mobile Equipment Identity.
Normally, for all smartphones available in the market, the IMEI number can easily be found behind the battery. But, since iPhone is designed so that you could not open the casing, the IMEI number of the iPhone is located behind of your iPhone and at the bottom.
Notice the small little print below the Apple logo? Located there are your printed unique IMEI number. And just in case you want to check whether the number is legit, just type this *#06# into your phone keyboard, and it will then show you a string of number representing the IMEI number of your iPhone. So, if you bought your iPhone legally, the number shown should match the number printed behind your iPhone casing.
So, make sure to remember your mobile phone’s IMEI and store it someplace safe. This will prove to be useful if your mobile phone do get lost. You can immediately use this IMEI number by calling your operator and tell them that your mobile phone got stolen or lost. Another interesting thing you can do with your IMEI number is that you can use this number and check the validity of it at selfsolve.apple.com.
There you can type in your IMEI number and it will show you the status of your iPhone and show whether it is still under warranty or not. So, please be aware of your iPhone IMEI number that is printed at your iPhone so that you can use the number either to track your phone if it got stolen or to check the validity of your iPhone with Apple.