We are sorry to hear you're having issues playing ads on your device. There is a potential solution for you to try, which involves resetting your device's Advertisement ID. Here's a quick overview of the steps involved and what exactly this process does.
Reset Advertising ID on Android: Settings > Google > Ads > Reset advertising ID
Reset Advertising Identifier on iOS 14 and above: Settings > Privacy > Advertising, turn off personalized advertising. Then go to tracking, turn off the "allow apps to request to track", then switch it back on.
Reset Advertising Identifier on iOS 13 and below: Settings > Privacy > Reset Advertising Identifier
Additionally, if you are having issues with any specific ads, please reach out to our Support Team so we can contact our ad providers to have them remove the ad from the rotation.