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How to fix a problem on incoming call delays on your Apple iPhone X [Troubleshooting Guide]

While many are happy to own one of the most innovative iPhones ever made, some feel the opposite as they’re tormented by minor and major issues. One of the commonly raised complaints by many iPhone X owners is on the incoming call delay bug. What happens is that when an incoming call arrives, the phone sound but the incoming call notification doesn’t or shows late. In short, they aren’t simulated. This therefore results to a lot of missed calls.

There were also instances when the call would immediately be routed to voicemail before users can pick it up. If you are among the affected users, then you can at least try some simple workarounds to troubleshoot the problem on your end. If you have another phone, do a test call after applying each of these subsequent solutions to determine if the problem is fixed or not. Read on to find out what options to try to deal with incoming call delay issue on your iPhone X.

But before anything else, if you have another issue with your phone, drop by our troubleshooting page as we have already addressed hundreds of issues reported by the owners. Odds are that there are already existing solutions on our website or at least, there are similar problems we already fixed. So, try to find ones that are similar or related to your problem. If you need further assistance, however, feel free to contact us by filling up our Android issues questionnaire.

First solution: Quit Phone app then restart/soft reset your iPhone X.

This could be just an isolated random app issue especially when the Phone app has gone rogue. A simple solution to this would be to clear or force close app and then reboot the iPhone (soft reset). Here’s what you should do then:

  1. Swipe up from the bottom of the screen then pause when your finger reaches the middle of the screen. A few seconds, all of the app preview cards will appear.
  2. Alternatively, you can long-press any app in the multitasking interface until the red circle with minus (-) sign inside appears on the upper-left of each card. From here you can just tap the minus sign to close individual apps.
  3. Or you can also swipe up on the cards when the red minus signs appear to force close the apps.

After closing the Phone app and other background apps, soft reset your iPhone X with these steps:

  1. Press and hold the Side/Power button and either Volume button for a few seconds.
  2. Then release both buttons when the Slide to Power off command appears.
  3. Drag the Power off slider to the right to power off your phone.
  4. After 30 seconds or so, press and hold the Side/Power button until the Apple logo appears and then release.

Allow your phone to complete its restarting and then try to make a test call on your on your iPhone X using a different phone to see if the symptom persists.

Second solution:  Reset all settings on your iPhone X.

If the problem started after modifying some settings on your phone, then it’s likely due to an incorrect setting or misconfigured options. To clear this out, you can reset all settings on your iPhone X to erase all customized settings and revert the default values. Any incorrect settings will be eliminated in the process. Here’s how it’s done:

  1. Tap Settings from the Home screen.
  2. Tap General.
  3. Scroll to and tap Reset.
  4. Tap Reset All Settings from the given options. This will clear all customized system settings and restore the defaults or original values without affecting any data saved on the phone memory.
  5. If prompted, enter your device passcode to continue.
  6. Then tap the option to confirm settings reset.

Reboot your phone after the settings reset and then enable necessary features including Wi-Fi, Bluetooth, and other functions to use them again on your phone.

Third solution: Update your iPhone X to iOS 12.

Software updates usually offer fix patches to address different issues inflicted by random bugs and malware. If you haven’t yet updated your iPhone X to iOS 12, then you should give it a try now. Before you begin, check and make sure that your iPhone is connected to Wi-Fi internet. A strong and stable Wi-Fi Internet access is recommended to access the Apple server to download and install software updates on your device. Also ensure that your phone has at least 50 percent battery life to avoid any power-related interruptions in the process. Once everything is ready, follow these steps to check for and update your iPhone X to iOS 12 via OTA (over-the-air):

  1. Tap to open the Settings app from Home.
  2. Tap General.
  3. Tap Software Update.

An update notification will show up saying if a new software update is available for your device. If available, back up all your important data before you download and install update. Doing so will make sure your data are safe during the update.

Alternatively, you can update your iPhone X manually through iTunes. This would be an option if OTA updates don’t work as intended or when your iPhone doesn’t have stable Internet connection. Just make sure your computer has Internet access and has the latest version of iTunes app installed.

Fourth solution: Factory reset/master reset your iPhone X.

Among the last possible solutions to persistent software issues is a factory reset. This will erase everything from your device including saved contents on the phone’s internal memory. Any tough bugs that caused the incoming call delay issue on your phone will also be cleared in the process. Before you do so, back up all critical information you saved to recover them later. Then factory reset your iPhone X with these steps:

  1. Tap to open Settings app.
  2. Tap General.
  3. Scroll to and tap Reset.
  4. Select the option to Erase All Content and Settings.
  5. If prompted, enter your passcode or tap any of the given iCloud Backup options you prefer then follow the onscreen prompts.
  6. Tap to select Backup Then Erase or Erase Now. Choosing the first option will prompt your device to create a backup to iCloud before erasing while the latter immediately erases then reset without backing up.

Allow your device to finish resetting, restarts, and then restores its factory default settings. Then proceed with the initial device setup.

Fifth solution: Restore your iPhone X in iTunes via Recovery or DFU mode restore.

If a factory reset failed to fix the problem, performing a recovery mode restore would be the next option. To do so, you need to use a computer with the latest version of iTunes installed. Then continue with these steps:

  1. Connect your iPhone to your computer using the supplied USB cable then launch iTunes.
  2. Wait for iTunes to recognize your phone.
  3. When your iPhone is connected, do a force restart. To force restart your iPhone X, press and quickly release the Volume Up button then press and quickly release the Volume Down button. Finally, press and hold the Side/Power button until the Recovery Mode screen appears. Do not release the button when the Apple logo appears because you need to put your iPhone in recovery mode.
  4. Shortly after successfully entering recovery mode, iTunes will prompt you with an option to Update or Restore your iPhone X. Choose the option to Restore to wipe out all existing data from your device and then reinstall the latest iOS version.

If the problem continues after performing a recovery mode restore, connect your iPhone X to your computer using the supplied USB cable or Lightning cable. Then follow these steps to enter DFU mode:

  1. Quick-press the Volume Up button.
  2. Quick-press the Volume Down button.
  3. Press and hold down the Side/Power button until the screen goes black.
  4. Then hold down both the Side button and Volume Down button for 5 seconds.
  5. After 5 seconds, let go of the Side button but keep holding down the Volume Down button. If the Apple logo appears, it means that you’ve held the Side button for too long and therefore you need to go back from the start.

If your phone screen doesn’t show anything and remains black, it means it has successfully entered DFU mode. iTunes will then prompt you a message saying that it has detected your iPhone in recovery mode. At this point, you can restore your iPhone through iTunes.

You may have to escalate the problem to your device carrier or contact Apple Support for official recommendations. Should this be a common iPhone X bug, a fix patch has to be developed and rolled out soon. Or you can also visit the nearest Apple-authorized service center in your place and ask an iPhone technician to run some hardware tests on your iPhone X to determine if the problem is attributed to a damaged component.

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