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Troubleshoot call volume on your HTC One

Last Updated: Mar 01, 2017

This article helps troubleshoot in-call sound quality on your HTC One.

These steps help identify and resolve the underlying cause. After completing each step, test to see if the issue is fixed. If not, continue to the next step.

  1. Verify the volume is turned up.

    The volume for voice calls can be adjusted only when you are on a voice call. To turn up the volume, first make a call. After the call is answered, press the Volume up key until the preferred volume is reached.
  2. Verify your phone is connected to the Sprint network using Sprint Zone.

    1. Access Sprint Zone.
    2. Swipe from Right to Left to open Device Diagnostics.
    3. Look for Network:
      • Network is in the Passed section: Your phone is connected to the Sprint network.
      • Network is in the Failed or Flagged section: Update the Data Profile.
        1. From Device Diagnostics, tap System Updates.
        2. Tap Update Profile.
        3. After the profile update is complete, tap OK.
  3. Verify if coverage is available at your current location.

    If your phone has low signal strength, see if your location is within Sprint voice coverage on the Sprint coverage map.
  4. Perform a soft reset.

    Performing a soft reset will restart your phone and close this guide.

    1. Press and hold the Power key until your HTC One™ turns off.
    2. Your HTC One restarts.
    3. Test your device to see if the issue is resolved.

Note: To optimize device performance, be sure your HTC One is running the most recent device software. Check for software updates.

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