My library post

How to Find iPhone’s UDID Number (For End Users and Developers too)It's quite easy to find iPhone UDID using iTunes. Refer following steps to get Unique Device Identifier of your iPhone or iPad.The Unique Device Identifier is a 40-character alphanumeric that works as a device-identifying mechanism. It’s an ID that uniquely identifies your iPhone. If you’re not a developer working on iOS apps (a.k.a the average John Doe like us), you’re most likely not going to need it ever.