I'm wondering what information applications can obtain regarding the hardware ID. Which device-specific credentials such as Mac Address, Bluetooth Mac Address, IMEI are accessible to user applications.
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1In short: none of them, without special permission, for privacy reasons. – CommonsWare May 26 '22 at 21:40
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You can find detailed info regarding identifiers in the article: https://developer.android.com/training/articles/user-data-ids
Just pay attention to changes in Android 10:
Android 10 (API level 29) adds restrictions for non-resettable identifiers, which include both IMEI and serial number. Your app must be a device or profile owner app, have special carrier permissions, or have the READ_PRIVILEGED_PHONE_STATE privileged permission in order to access these identifiers.
Anatolii Chub
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