If you're looking to improve the ANC sound quality of your soundcore Q20i headphones, you've come to the right place. In this article, we'll provide you with suggestions to improve the ANC sound quality of your soundcore Q20i headphones.

1. Check whether you are wearing the headphones correctly and whether the left and right are reversed;

2. Ensure the earcovers completely cover your ears;

3. Adjust the length of the headphones to ensure it fits correctly.

If you encounter any other issues or your issue has not been resolved, please contact us for further assistance.