title: How to generate Unique ID of device for iPhone/iPad using Objective-c
body: <p>I wanted to know that <strong>How to generate Unique ID of device for iPhone/iPad using Objective-c</strong> </p>
  
  <p>so that once application is installed on device , so we should track that deviceID</p>
  
  <ul>
  <li><p>I have searched to retrieve IMEI of iPhone/iPad , but it is not allowed in objective-c.</p></li>
  <li><p>Then I searched to generate UDID of iPhone/iPad but it is generating for different ID each time I launched it on simulator .</p></li>
  </ul>