You can opt-out of sharing the mobile Advertising ID in two ways:
1. By limiting ad tracking on your device:
Navigate to Settings > Select Privacy > Select Advertising > Enable the “Limit Ad Tracking” setting.
Launch the Google Settings App and navigate to Ads > Enable ” Opt out of interest-based advertising”.
2. By providing your device information:
Locate your Advertising ID.
Download and install “The Identifiers” app from the App Store. Open the app to view your Advertising ID.
Navigate to Settings > Google > Ads to view your Advertising ID.
Enter your valid Advertising ID below and press Submit