Last Updated: Nov 23, 2015
This article helps troubleshoot making or receiving calls on your HTC Desire 510.
You may have issues with calls if you have:
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.
Verify airplane mode is turned off.
Verify your HTC Desire® 510 is connected to the Sprint voice network using Sprint Zone.
Be sure your HTC Desire 510 is connected to the Sprint voice network to make or receive calls.
Verify if coverage is available at your current location.
If your HTC Desire 510 has low signal strength, see if your location is within Sprint voice coverage on the Sprint coverage map.
Perform a soft reset.
A soft reset reconnects your HTC Desire 510 to the Sprint network.
Note: To optimize device performance, be sure your HTC Desire 510 is running the most recent device software. Check for software updates.
If you're still having issues, dial *2 on your phone or dial 855-639-4644 to reach Sprint Prepaid Customer Care.