OAID does not include a version number as defined in the UUID standard. The following table summarises the available datapoints for Android devices across different OS versions. It is still possible to collect these identifiers for devices running earlier versions of Android. Google limits access to these identifiers on devices running Android 10 and above for privacy reasons. However, these identifiers are persistent. Prior to OAID, the main device ID for attribution was the International Mobile Equipment Identity (IMEI) number or the Mobile Equipment Identifier (MEID).

You can use it to attribute and track Android devices in many markets where GPS is not available. OAID is an advertising ID that the MSA (Mobile Security Alliance) announced all Chinese-manufactured devices should provide. In this case, the main device ID that can be used is the Open Anonymous ID (OAID). Instead, the device must use an alternate identifier for attribution. When GPS is not included on a device, there is no Google Play Store Advertising ID ( gps_adid) available. Users also cannot download the Google Play Store on Huawei devices worldwide. law, Huawei cannot preload the Google Play Store on their devices. In China, the Google Play Store is not available and it does not come preloaded on Android phones sold in China. Here, you can find out how Adjust tracks Android devices that do not have access to Google Play Services. This means that MMPs must use an alternative method for Android device tracking and campaign measurement. The Google Play Store (GPS) is unavailable in certain markets, which means it cannot be used to publish apps.

How to track an android phone