How to Fix iPhone Screen Goes Black During Call

Have you ever troubled by the issue that iPhone screen goes black while making calls? If you have, please read this post, it shows you several ways to fix this issue.

iMobie Last Updated: May. 07, 2020

Q: When I make a call, the screen turns off and it doesn’t come back on until the phone call is over. I push the power button and the screen would momentarily turn on but it goes back to black in a split second. Does anybody have a fix for this?

—A User from Windows Central

It is pretty easy to conclude phone conversations or press tabs on phone screen during a call, however, either could be realized if your phone screen goes black when making calls.

Frankly, phone screen goes black during calls issue is troublesome but not that hard to fix. Here in this post, we will focus on how to fix iPhone screen goes black when making calls, if you are an Android user, you can also give some of those solutions a try.

How to Fix iPhone Screen Goes Black During Calls

Before showing all the solutions, you should know that every smartphone has a battery preserver and an automatic screen lock. Whenever something shadows the Proximity Sensor during calls, the smartphone just locks the screen and turns off the LCD.

Method 1. Uncover the Sensor

As mentioned above, whenever there is a shadow in front of the Proximity Sensor during calls, the smartphone would lock the screen automatically. That is to say, the main reason for iPhone screen goes black during calls is something blocks the sensor. Uncovering the sensor would solve most cases of the iPhone screen goes black while making calls.

Method 2. Clean the Sensor

Most people have no idea how dirty an iPhone screen could be. Dust and sweats would completely block the sensor, eventually causing the issue of iPhone screen to go black during calls.

It is simple to clean the sensor. You can just blow the dust off the top edge of the screen, or simply wipe away smudges on the outside of the sensor. Some people also recommend cleaning the sensor with a toothbrush.

Method 3. Adjust the Sensor

Sometimes the sensor would go wrong and could detect nothing, that’s why your iPhone screen goes black while making calls. If your sensor not working, you can try hard reset your iPhone, erase all content and settings, reset all settings and restore iPhone, those methods are all helpful to adjust the sensor, below are the details.

Hard Reset

  • To hard reset iPhone 7/7s, you should press and hold the Power button and the Volume Down button at the same time.
  • For other iPhone, please press the Power button and Home button instead.

Reset All Settings

Go to settings on iPhone, click on General > Reset > Reset All Settings.

Erase All Content and Settings

Please note that this method doesn’t only wipe the settings, but also all data and apps you have on your iPhone. We recommend you back up all data before trying this method.

The steps to erase all contents and settings are similar to “Reset All Settings”. Launch Settings > General > Reset > Reset All Contents and Settings, enter your password, then tap “Erase iPhone” to confirm, all contents and settings are now erased.

Restore iPhone

After restoring iPhone, all data would also be erased. Moreover, restoring iPhone also involves iOS system reinstallation.

To restore iPhone, you will need the latest version of iTunes. Connect your iPhone to computer, iTunes would be automatically launched. Click Summary > Restore iPhone, your iPhone would be restored within a few minutes.

Fix iPhone Screen Goes Black During Calls - Restore iPhone

Fix iPhone Screen Goes Black During Calls – Restore iPhone

Bonus Tip: Easiest Way to Backup iPhone

It is always better to do backups before fixing iPhone issues in case of data loss. While referring to backup iPhone data, the first thing coming across to your mind has to be iCloud/iTunes. iCloud and iTunes are indeed good ways to backup data, however, they are still far from perfect.

To start with, both iCloud and iTunes can’t back up all data on your iDevice. Besides, you can’t selectively back up data on your iDevice with iTunes/iCloud. What’s more, iCloud backing up process is slow and highly dependent on Internet and iTunes backups may take much storage of your computer. Last but not least, neither iTunes backups and iCoud backups are readable.

Luckily, now we have an excellent iCloud/iTunes alternative AnyTrans for iOS, which has no shortcomings mentioned above. AnyTrans is effective when backing up data to iCloud/computer, it only takes 5 minutes to transfer 3000 photos. Second, to that, AnyTrans allows you to selectively back up iOS data to iCloud/computer. What’s more, you can view iTunes and iCloud backups on computer via AnyTrans.

Overview of AnyTrans for iOS

Overview of AnyTrans for iOS

For detailed steps of backing up iPhone data to computer and iCloud, please refer to:

How to Backup iPhone to Computer >

The Bottom Line

That’s all for how to fix iPhone screen goes black while making calls and introduction of the best iCloud/iTunes alternative tool – AnyTrans. Please do let us know whether those methods are helpful by leaving comments below. By the way, don’t forget to give it a try now >


Member of iMobie team, an Apple fan as well as an anime lover. Like to share solutions on iOS and Android related problems.