How do I get a Unique Identifier for a Device within Windows 10 Universal?

Question

This is my old implementation to get a Unique DeviceID for Windows Universal 8.1 but the type HardwareIdentification does not exist anymore.

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Answer 1

EasClientDeviceInformation does not work for Windows 10 mobile. The device id is just the same for every phone (all our win10m customers gets registered with the same GUID) We need the id for sending push messages to the right phone.