title: Alternate to IMEI
body: <p>I am going to imei the one who has logged into my application. And I'll give it a special code for security. It just has to be that code and IMEI that can not enter from another phone.  What I will do with iOS.They will deal with this code. But, it is no longer possible to get IMEI in iOS. What I will do with iOS. Also, it is no longer possible to mac address in İOS, right?</p>