Starting May 1, the App Store will no longer accept new apps or app updates that access UDIDs. Please update your apps and servers to associate users with the Vendor or Advertising identifiers introduced in iOS 6. You can find more details in the UIDevice Class Reference.
kevinjxx
commented
11 years ago
App Store apps:
Will be rejected after May 1.
http://9to5mac.com/2013/03/21/apple-tells-developers-it-will-stop-accepting-apps-that-access-udids-on-may-1/
Quote:
Starting May 1, the App Store will no longer accept new apps or app updates that access UDIDs. Please update your apps and servers to associate users with the Vendor or Advertising identifiers introduced in iOS 6. You can find more details in the UIDevice Class Reference.