[Video](https://www.youtube.com/watch?v=-19mGZ6hOj8) This page covers steps on viewing and verifying adapters associated with your ad sources. ## Prerequisites Before you continue, do the following: - Complete all items in the initial [Prerequisites](https://developers.google.com/ad-manager/mobile-ads-sdk/flutter/ad-inspector.md.txt#prerequisites) to create an Ad Manager account, set your test device, initialize Google Mobile Ads Flutter Plugin, and install the latest version. - [Launch ad inspector](https://developers.google.com/ad-manager/mobile-ads-sdk/flutter/ad-inspector/launch-ad-inspector.md.txt). You can view a list of all adapters associated with the ad sources configured in your app. To view the list, complete the following steps: 1. In the **Ad inspector** page, click **Adapters**. 2. Expand the cards to view initialization statuses and adapter and third-party SDK versions. |---|---| | ![](https://developers.google.com/static/admob/images/inspector/adapter-list-Android.png) Android | ![](https://developers.google.com/static/admob/images/inspector/adapter-list-iOS.png) iOS |
If the adapter isn't found or fails to initialize, see [Ad inspector](https://support.google.com/admanager/answer/7180401#ad-inspector).