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Nothing that I have tried works on android 11 and earlier versions.

Because I tried using different approach but it doesn’t seem to be able to work on android 11 and earlier versions.

Even if is something that can only work on debug mode…

2

Answers


  1. The best way to get unique identifier …

    in Android: using unique_identifier to get IMEI

    unique_identifier: ^0.0.3
    String identifier =await UniqueIdentifier.serial;

    in IOS: Apple no longer allows you to retrieve the IMEI or any other device identification

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  2. From the docs: https://developer.android.com/about/versions/10/privacy/changes#non-resettable-device-ids
    Even with a library, the ID will be null due to privacy reasons, consider resettable identifiers like Firebase App Installation Id if you need to track the app instance instead of the user.

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