A. First, ensure that your payment method is valid and that the purchase was completed successfully. Check your app store purchase history to confirm the transaction. If it shows as completed, try restarting the app to see if the ad removal takes effect.
B. If the ads persist, try uninstalling and reinstalling the app. This can sometimes reset the app's settings and recognize the ad removal purchase. Make sure to back up your game progress if possible before uninstalling.