IOS os 버전 검사 방법

1. using System;
2. using UnityEngine.iOS;
3. ...
4. Version currentVersion = new Version(Device.systemVersion); // Parse the version of the current OS
5. Version ios13 = new Version("13.0"); // Parse the iOS 13.0 version constant
6.  
7. if(currentVersion >= ios13)
8. {
9.     // Enable the button...
10. }