Top 13 Ways to Fix Call Sound Issues with iPhone X/8 in iOS 12

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Despite being considered as a superior smartphone on the market today, iPhone just like any other mobile device experiences some issues from time to time. The most common issue among many iPhone users is, call sound issues with iPhone 8 and iPhone X. Since their release in 2017, a lot of iPhone X and iPhone 8 users have had to deal with call sound issues. Call sound issues in this context refers to the moment when you cannot hear the other person speak on the phone unless you put it on speakerphone, or instead of a clear voice, you will hear static or crackling sounds. If you are among these users who have to deal with call sound issues with iPhone X or 8 models, do not worry. We are going to show you how to fix these issues.

Part 1: Fix Call Sound Issues with iPhone X/8 in iOS 12

1Test the Front and Rear Microphones

Step 1: Shoot two videos with your phone.

Step 2: Use the rear camera to take the first shot and the front camera to take the second shot.

Step 3: Play them on your phone and pay attention to the audio. If you clearly hear the audio of each video, then the particular microphone is working.

check-front-rear-microphone-iphone

2Test the Bottom Microphone

Step 1: Launch the Voice Memos app on your iPhone. 

Step 2: Record a new voice memo by pressing the red button that is displayed on the screen.

Step 3: Playback the recorded voice memo and listen carefully if you can hear the audio. If it is clear enough, then the bottom microphone is working properly.

test-bottom-microphone

3Clean Microphone on iPhone X/8

Sometimes, the microphone could be functioning properly but due to the presence of dust, debris or dirt that is stuck in the microphone slot which may cause sound distortion. You might even experience no sound at all because of these elements trapped in the microphone slot. To get rid of these elements you must clean the microphone slot.

Step 1: Get a dry, unused toothbrush.

Step 2: Use the toothbrush to clean the microphone grill. 

Step 3: Slide the toothbrush over the microphones to get rid of the dirt.

clean iphone microphone

4Remove iPhone X/8 Case

In some cases, the iPhone accessories could be the reason why you are having iPhone X microphone issues. If you suspect that the call sound issues with your iPhone could be caused by the case, you will have to remove the case and clean it.

Step 1: Apply pressure to one corner of the case and slowly pull it open. Then get a hold of another corner and do the same. This is will open the case.

Step 2: Clean the case and the area around the microphone slot.

Step 3: Return the case to its original place to cover your device.

take-off-iphone-x-case

5Check Headphone Jack on iPhone X/8

Sometimes the headphone jack could be plugged into the headphone port and it is preventing you from hearing the sound while you are on call. To check the headphone jack, do the following:

Step 1: Check the headphone port and see if the jack is inserted.

Step 2: Remove the jack by simply pulling it off the port.

iphone-x-headphone-jack

6Check iPhone X/8 Microphone Settings

Another reason why you could be experiencing call sound issues with iPhone is probably the microphone settings have been changed. Microphone permission settings could be the cause of the sound issues with your iPhone. To check and solve this issue, open Settings -> go to Privacy -> tap on Microphone and enable apps to use your microphone.

check-microphone-settings

7Reset All Settings on iPhone X/8

If there are errors with your iPhone audio settings, you could experience call sound issues with your iPhone. If you recently made some changes to the settings of your iPhone and after that, you started experiencing iPhone X microphone issues, then the changes you made could be the reason. You can revert to your old settings by doing a settings reset. Follow the steps below to reset all settings:

Step 1: Launch the Settings app and click on General.

Step 2: Scroll down to find Reset. 

Step 3: Touch on Reset All Settings option.  

reset-all-settings

8Force Restart iPhone X/8

Restarting your iPhone could also help you fix the call sound issues with your iPhone. This helps in fixing bugs and software issues that might be causing problems with your iPhone’s microphone. Do the following:

Step 1: Long press the Side button together with either of the volume buttons until you are able to see the slider.

Step 2: Drag the slider to switch off your device.  

Step 3: Once the device is switched off, long press the Side button once again until you are able to see the Apple logo.

restart iphone x

9Check Restriction Applied for Microphone on iPhone X/8

Sometimes your iPhone’s microphone could be restricted and probably that is the reason why you are having iPhone 8 microphone issues. To check this, follow this steps:

Step 1: Launch the Setting app and go to General.

Step 2: Tap Restrictions and enter the restriction passcode.

Step 3: Scroll down to find Microphone and then enable it.

microphone-restriction-on-iphone

10Factory Reset iPhone X/8

You can also factory reset your iPhone if you are still unable to fix the iPhone microphone issues with the following steps below:

Step 1: Launch the Settings app and touch the General app. 

Step 2: Scroll down to find Reset and tap it.

Step 3: Choose the Erase all content and settings option.

Step 4: Enter your passcode

Step 5: Confirm that you want to reset your iPhone. Your device will reboot once the reset process is complete.

erase-all-content-and-settings-iphone

Note: Please backup your device in advance. After resetting, your current data will be erased and cannot be recovered.

11Turn off Noise Cancellation

iPhones come with a Noise Cancellation feature. This feature helps in reducing the surrounding noise when you make a phone call. Normally this feature is enabled by default. To fix this:

Step 1: Open the Settings app -> General -> Accessibility and then scroll down to locate the Phone Noise Cancellation option.

Step 2: Turn it off.

Turn off noise cancellation

12Fix Call Sound Issues on iPhone X/8 with Third-Party Tool

There are third-party tools that can help you fix call sound issues on iPhone. iMyFone iOS System Recovery tool is one of the best on the market. This tool enables you to not only fix call sound issues on iPhone but to also solve other software issues as well.

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Steps on how to use the standard mode of iMyFone iOS system Recovery tool

Step 1: Connect your iPhone to a computer that has the iMyFone iOS System Recovery installed on it using a USB cable.

interface of iMyFone iOS system recovery

Step 2: Set your iPhone to DFU or Recovery Mode.

 enter Recovery mode under Standard mode

Step 3: Download the Firmware. 

download firmware

Step 4: Fix the iOS issues. 

fixing ios issues

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13 Contact Apple Support

If you have tried all the above ways and you still cannot fix call sound issues with iPhone, then you should contact Apple support. There could be a complex hardware issue which makes the microphone fail and you need contact Apple technical support team.

Part 2: Do Before Fixing Call Sound Issues with iPhone X/8 in iOS 12

Backing up your device is important before fixing call issues with iPhone X/8. Here iMyFone iTransor (renamed from D-Port Pro) is highly recommended as iTunes and iCloud alternative.

Importance of backing up iPhone X/8: 

  • Prevent data loss and make it possible to recover lost data
  • Manage your data on another device

Main Features of iMyFone iTransor

  1. Selective export over 18 types of data from your iPhone
  2. Back up or restore your iOS device or only SMS, Contacts, WhatsApp or WeChat
  3. Access iTunes and iCloud data backups with having your iOS device in your hands
  4. It is compatible with iOS 12/11.3 and iPhone X/8/8 Plus

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Steps on how to partially back up important data on iPhone X/8

Step 1: Select Acquire Backup from Device & iCloud and click on Back Up Device to continue.

1-choose-backup-device

Step 2: Do not forget to connect your device to computer and select data types you need urgently. Click on the Backup Up button and the tool will start backing up the specific data.

3-select-one-or-more-data

Step 3: Once the backup process is successful, you will get a notification to let you know that it is complete.  

5-back-up-successfully

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Note: You are allowed to view and export the data from this backup to enable you to restore the specific chat backup to your device.  

Conclusion

If you are having call sound issues with iPhone X/8 in iOS 12, you can use the above methods to fix. It is essential to back up the most important data once you encounter problems with your iPhone. We will appreciate it if you can comment below.