Last Updated: October 2025
Target Audience: 1DM (1DM+) users on Android experiencing intrusive ads despite enabling the built-in ad blocker.
This is the most common fix. 1DM doesn't always update filters automatically to save data.
Since 1DM is primarily an Android app, this guide focuses on the mobile version, though some principles apply to the browser extension version.
Outdated Filter Lists: The lists 1DM uses to identify ads are not refreshed.