Having your phone screen turn off unexpectedly during calls can be frustrating and disruptive. This issue often occurs due to device settings, hardware problems, or software glitches. Whether you’re on an important business call or catching up with friends, a screen that unexpectedly turns off hampers communication and can lead to missed messages or accidental actions. Fortunately, most of these issues are fixable with some simple troubleshooting steps. In this guide, we’ll walk you through effective methods to resolve the problem of your phone screen turning off during calls, helping you regain seamless communication experience.

How to Fix Phone Screen Turns Off During Calls

1. Check Your Proximity Sensor Settings

The most common reason for your phone screen turning off during calls is the proximity sensor. This sensor detects when your face is close to the screen and automatically turns it off to prevent accidental touches. If it’s malfunctioning or misconfigured, the screen might turn off prematurely or stay off when it shouldn’t.

  • Clean the proximity sensor: Dust, dirt, or screen protectors can obstruct the sensor. Use a soft cloth to gently clean the area near the front camera or earpiece, where the sensor is usually located.
  • Remove screen protectors or cases: Some accessories may block the sensor. Try removing them temporarily to see if the issue resolves.
  • Test the sensor: Dial a test number or use a sensor testing app available on app stores. If the sensor isn’t responding properly, consider professional repair.

2. Adjust or Disable the Screen Timeout Settings

Sometimes, the screen timeout duration might be set too low, causing the display to turn off quickly during calls. Increasing this duration can improve your experience.

  • For Android: Go to Settings > Display > Sleep and select a longer duration (e.g., 30 seconds, 1 minute, or more).
  • For iOS: Navigate to Settings > Display & Brightness > Auto-Lock and choose a longer time frame or Never during calls.

Note: Be cautious with setting auto-lock to Never, as it may drain your battery faster.

3. Update Your Phone’s Software

Outdated software can cause various bugs, including issues with the proximity sensor or display functions during calls. Keeping your device updated ensures you have the latest fixes and improvements.

  • Check for updates:

    • Android: Settings > Software Update
    • iOS: Settings > General > Software Update
  • Install available updates: Follow on-screen instructions to download and install the latest version.

After updating, restart your device and test the call functionality again.

4. Restart or Force Restart Your Device

Sometimes, a simple restart can resolve temporary glitches affecting the proximity sensor or display.

  • Standard Restart: Hold the power button and select “Restart” or “Reboot”.
  • Force Restart: For Android, press and hold the power and volume down buttons simultaneously until the device restarts. For iPhone, follow the specific button combination based on your model.

This step can clear minor software hiccups that might be causing the screen to turn off unexpectedly during calls.

5. Reset App Preferences or Clear Cache

Sometimes, third-party apps or cached data may interfere with normal phone operations.

  • Reset app preferences:

    • Android: Settings > Apps & Notifications > Reset app preferences
    • This will reset disabled apps, notification preferences, and default apps without deleting data.
  • Clear cache data:

    • Go to Settings > Storage > Cached data and clear cache.
    • For specific apps, go to Settings > Apps > [App Name] > Storage > Clear Cache.

This can help resolve conflicts causing the screen to turn off during calls.

6. Check for Hardware Issues

If software fixes don’t work, the problem might be hardware-related:

  • Damaged proximity sensor: Physical damage, water exposure, or manufacturing defects can impair sensor function.
  • Screen or connector issues: Loose or damaged display connectors can cause display malfunctions during calls.

If you suspect hardware problems, it’s best to consult a professional technician or visit an authorized service center for diagnosis and repair.

7. Factory Reset as a Last Resort

If none of the above solutions work, a factory reset might be necessary. This will erase all data and restore your device to its original settings.

  • Backup your data: Save important files, contacts, and photos to cloud or external storage.
  • Perform reset:

    • Android: Settings > System > Reset options > Erase all data (factory reset)
    • iOS: Settings > General > Reset > Erase All Content and Settings

After resetting, restore your data and test if the issue persists.

Key Takeaways for Fixing Phone Screen Turning Off During Calls

  • Ensure the proximity sensor is clean and unobstructed.
  • Adjust screen timeout settings to a longer duration during calls.
  • Update your device’s software regularly to fix bugs.
  • Restart or force restart your phone to clear temporary glitches.
  • Reset app preferences or clear cache data to eliminate conflicts.
  • If hardware issues are suspected, seek professional repair services.
  • Consider a factory reset as a last resort after backing up your data.

By following these steps, you can effectively troubleshoot and fix the problem of your phone screen turning off during calls, ensuring smooth and uninterrupted communication. Remember, regular maintenance and updates are key to keeping your smartphone functioning optimally.

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