how to get the IMEI of IPhone or IPad device? my IOS version is 9.0, Now i want to get the unique value of the Device, i think of using IMEI, but i did some tests, i always cannot get the IMEI of the device,could you tell me other ways to know unique value of the device? Programming Languages General Objective-C Core Telephony Device Management 9 0 17k Jan ’16