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Troubleshoot issues related to your HTC EVO 4G slowing, freezing or switching off unexpectedly

Last Updated: Nov 15, 2013

This article helps troubleshoot your HTC EVO 4G slowing, freezing, or turning off unexpectedly.

You may have performance issues if your HTC EVO™ 4G:

  • Performs slowly
  • Freezes
  • Turns off or unexpectedly restarts
  • Displays error messages
  • Is unable to install or update applications

Try each of these steps to see if it helps improve your phone's performance.

  1. Safely remove your SD card.

    1. From the home screen, tap the Menu key.
    2. Tap Settings.
    3. Scroll to and tap SD & phone storage.
    4. Scroll to and tap Unmount SD card.
    5. Tap OK.
    6. Turn your phone off.
    7. Remove the battery.
    8. Remove the SD card.
    9. Reinsert the battery.
    10. Turn your phone back on.
  2. Determine if your phone has low memory.

    1. From the home screen, tap the Menu key.
    2. Tap Settings.
    3. Scroll to and tap SD & phone storage.
    4. Examine the remaining memory in the Internal storage section.
    5. If your phone has low memory, troubleshoot low memory issues.
  3. Clear the application cache.

    • Clear the application cache on your applications to free up space and improve performance.
    • Be sure you clear only the application cache and not the application data.
    • When you clear the application data, it removes your personal settings and info such as login information and high scores.
    • Clearing the application cache doesn't remove your personal settings or information.

    1. From the home screen, tap the Menu key.
    2. Tap Settings.
    3. Scroll to and tap Applications.
    4. Tap Manage Applications.
    5. Tap the All tab.
    6. Tap an application.
    7. Tap Clear cache.
  4. Close background applications.

    Some apps continue to run in the background after you exit them. Sprint recommends that you close background applications when you're not using them.

  5. Verify that your HTC EVO 4G is running the most recent software.

    There may be a software update that improves battery life on your phone. Check for software updates.

If you're still having issues, try our community pages for the HTC EVO 4G or make an appointment at a convenient Sprint Repair center.

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