This article helps troubleshoot making or receiving calls on your BlackBerry KeyOne

You may have issues with calls if you have:

• A low signal strength
• Trouble making or receiving calls
• Frequently dropped calls

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 airplane mode is turned off.

   1. From the home screen, swipe down the Status bar.
   2. Swipe down again to access the Quick Settings menu.
   3. If Airplane mode is enabled, tap to disable it.

   Note: The icon is white when enabled.

2. Reset the network settings.

   Resetting the network settings reconnects your phone to the Sprint network and does not erase any of your content or data.

1. From the home screen, tap the Phone icon.
2. Tap the Keypad button.
3. Dial ##72786#.
4. Tap OK. Your phone will power off and restart.
5. After it restarts and reconnects to the network, your phone will automatically launch hands-free activation.
   

3. Verify if coverage is available at your current location.

   If your BlackBerry KeyOne has low signal strength, see if your location is within Sprint voice coverage on the Sprint coverage map.

4. Perform a soft reset.

   A soft reset removes temporary files that may be causing the problem, but does not delete any content or data.

   A soft reset reconnects your BlackBerry KeyOne to the Sprint network.

   1. Press and hold the Power/Lock button for 10 seconds.
   2. The phone will shut down and restart.
   3. The device has been reset.

5. Do you know if other Sprint customers are experiencing the same issue in the same location?

   1. If yes or you don't know: Please contact Sprint Customer Care for help.
   2. If no: Please find the nearest Sprint Repair center and schedule an appointment so a Sprint technician can further diagnose the issue.

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

If you're still having issues, please contact Sprint Customer Care for more help.