Android devices come with a built-in HD calling feature that allows you to make high-quality calls over Wi-Fi or cellular networks. However, if you want to disable HD calling on your Android device, there are a few simple steps you can take. To disable HD calling on an Android device:

  1. Open the Settings app on your phone and navigate to the Phone section.
  2. Under the Phone section, find and select Call Quality.
  3. On the Call Quality screen, toggle off the option labeled “HD Calling.”
  4. You’re done! Now your Android device will only use standard voice quality when making calls. ..