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Thursday, 9 April 2015

What is the difference between device Token and Device UDID?

UDID
-UDID is a number in each iPhone that is used by developers to distribute new apps directly into the phone for testing purposes before they are available in the App Store.

-The UDIDs are used to create an Apple-certified provisioning file that is dragged with the app into iTunes.

You can reveal the UDID by following ways:

-Open Xcode organizer after connecting a device to your computer.Now, you can see UDID of a particular device as 'identifier'

or

1. Connect your device to your computer, and run iTunes.

2. Select your device in the 'Device' list.

3. Click the Serial Number. It will switch to displaying your UDID.

Device Token

-An identifier for the Apple Push Notification System for iOS devices. - -Each device has two device tokens 

– One is used for development, and one for production (ad hoc or app store builds). The tokens are 64 hexadecimal characters. 

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