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Troubleshoot issues related to making and receiving calls on your Apple iPhone 4s

This article helps troubleshoot making or receiving calls on your Apple iPhone 4s.

You may have issues with calls if you have:

  • A low signal strength
  • Network impairment
  • Equipment issue

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.

    Airplane mode is a feature that prevents your device from sending or receiving a wireless transmission.

    1. From the home screen, tap Settings.
    2. Tap the Airplane mode slider to OFF.
  2. Verify that mobile data is enabled.

    1. From the home screen, tap Settings.
    2. Tap Cellular.
    3. Next to Cellular Data, tap the toggle switch to enable mobile data.
  3. Verify if coverage is available at your current location.

    If your Apple® iPhone® 4s has low signal strength, see if your location is within Boost Mobile voice coverage on the Boost Mobile coverage map.

  4. Perform a soft reset.

    A soft reset restarts your phone and does not erase any of your content or data.

    1. Press and hold the Power key and Home key.
    2. Release both keys when the screen goes black.
    3. Then press and hold the Power key until your Apple iPhone 4s restarts.

Note: To optimize device performance, be sure your Apple iPhone 4s is running the most recent device software. Check for software updates.

If you're still having issues, please contact Boost Customer Care.