A. 1. Check your internet connection: Ensure you have a stable Wi-Fi or mobile data connection. Poor connectivity can lead to call quality issues. 2. Restart the app: Close Text Free completely and reopen it to refresh the connection. 3. Use headphones: Sometimes, using headphones can improve call quality by reducing background noise.

B. 4. Test with different networks: If possible, switch between Wi-Fi and mobile data to see if call quality improves on one over the other.