iOS randomizes MAC addresses when not connected to wireless networks. The stated goal is to lower the probability of being tracked by third parties in, e.g., co

iOS randomizes MAC addresses when not connected to wireless networks. The stated goal is to lower the probability of being tracked by third parties in, e.g., convenience stores. http://www.imore.com/closer-look-ios-8s-mac-randomization http://www.imore.com/closer-look-ios-8s-mac-randomization Apple device uDIDs are generated by concatenating the serial number, the MAC address, and some other things, then running the result through a hash function. (I don't have a source at the moment, sorry).