Dim App As Application
Log(App.OSVersion)
See the link in post #2 for the current version. If your device is not included, it shouldn't be too compliacted to change the Objective-C code.
There are two iPad Air 2:See the link in post #2 for the current version.
@"iPad5,3" :@"iPad Air 2 Wifi", // 2nd Generation iPad Air - Wifi (model A1566)
@"iPad5,4" :@"iPad Air 2 Wifi + Cellular ", // 4th Generation iPad Mini - Wifi + Cellular (model A1567)
Dim no As NativeObject = Me
Log(no.RunMethod("deviceName", Null).AsString)