How to fix iPhone X delayed incoming call after iOS 13.3 update [Troubleshooting Guide]

Flagship level smartphones like iPhone X offers the best features and functionality to its users. They’re designed to provide convenience together with premium build and design. But no matter how high-end your phone is, errors like delayed incoming call will always ruin the fun. 

If you own an iPhone X and recently updated to iOS 13.3, there might have been a latency in receiving calls. It means that there’s a delay between when you speak and when the other caller hears it. Continue reading to find out more information on how to deal with this issue. 


Troubleshoot delayed incoming call on iPhone X after installing iOS 13.3

Poor network coverage, server maintenance or service outages in your area are some factors that could trigger a delay when receiving calls on your iPhone. To add up, account-related issues, bad updates, invalid settings, and corrupt SIM card can also result to a late incoming call

Finding solutions to rectify this delayed incoming call problem is made easy as they’re compiled in this article. Feel free to perform the easy steps provided below and fix your iPhone X that is having delays on receiving calls


Also read: How to fix cellular data not working on iPhone X after iOS 13.3 update


First solution: Power cycle your iPhone X. 

You might experience delayed incoming call if your phone has been attacked by random bugs from the recent iOS update. Software glitches can easily affect how your iPhone will perform. But you can easily get rid of minor errors by restarting your device. 

This process will refresh your phone’s system and remove dump cache or erratic apps that could cause conflict in receiving phone calls. You have two methods to try. The first one is a soft reset and here’s how it’s done: 

  1. Press and hold the Power/Side button and either of the Volume buttons simultaneously for a few seconds. 
  2. Release both buttons once Slide to Power off prompt appears on the screen.
  3. Drag the Power off slider to the right to turn off your phone.
  4. After 30 seconds, press and hold the Power/Side button again until you see the Apple logo.

The second one is a force restart. Here are the steps: 

  1. Press and release the Volume Up button quickly.
  2. Press and release the Volume Down button quickly. 
  3. Lastly, press and hold the Side button for a few seconds until you see the Apple logo.

Allow your phone to complete the reboot process then perform a test call to check if the delay issue has been rectified. If not, proceed to the next step. 


Second solution: Update carrier settings on your iPhone X. 

Errors that are related to your network provider like delayed incoming calls might have been triggered by an outdated carrier settings on the device. This could happen if the network information is already incompatible with the new software version. Checking for updates on your carrier settings might provide you a quick fix to the problem. 

If this is something that’s not familiar to you, follow these steps: 

  1. Access Settings from the Home screen. 
  2. Tap on General
  3. Select About
  4. Wait for a few seconds for the update notification to appear on your screen. If there is an available carrier update, you’ll see a pop-up option to update your carrier settings.

Just follow the on-screen instructions to complete the process then reboot your device to implement necessary changes. Once done, check if you can receive phone calls without a delay


Third solution: Disable Do Not Disturb feature and toggle airplane mode on your iPhone X. 

Features like DND or Do Not Disturb can also contribute to a delayed phone call on your iphone x. This feature allows you to silent certain notification like a phone call and might have been the reason why there’s a latency if there’s an incoming call. To make sure that this is not the reason why a call problem occurred after iOS 13.3 update, disable this feature by following these steps: 

  1. Access Settings from the Home screen. 
  2. Tap Do Not Disturb.
  3. To disable Do Not Disturb feature completely, simply toggle the switch to turn it off. Notifications for incoming calls, messages and some apps are now activated.

After ensuring that DND is disabled, toggle the airplane mode on and off on your iPhone. This feature will cut off all wireless radio connections on your device once activated. Disabling it right after will resume all radio connections and provide a quick refresh. 

Enabling and disabling airplane mode should remove any glitches that’s affecting wireless radios including cellular connections on your device. Follow the steps below: 

  1. Access Settings from the Home screen. 
  2. Check Airplane mode. If toggle is currently turned on, tap on it to switch it off. If not, tap the toggle to turn it on.
  3. While the Airplane mode is enabled, perform a soft reset on your device. 
  4. Wait for your phone to go back online after the reset then access Settings > Airplane mode. Tap the switch to disable the feature. 

Once connections are established, check if the incoming phone call delay has been resolved. 


Fourth solution: Reset network settings on your iPhone X. 

iOS updates could mess up your phone’s network settings which are essential for call functions to work properly. Restoring the network settings to their original state could remove iOS overrides and might fix the incoming call delays on your iPhone X. If you wish to give this a try, here’s how: 

  1. Access Settings from the Home screen. 
  2. Tap General.
  3. Scroll down to and then select Reset
  4. Tap the Reset Network Settings option.
  5. Enter your device passcode once prompted.
  6. Then tap to confirm network settings reset.

Your phone will reboot automatically once the reset process is done. As soon as it’s up and running, check if incoming phone call delay is fixed. 


Fifth solution: Remove then reinsert the SIM card on your iPhone X. 

Faulty SIM card and firmware crashes might be the primary source of the delayed incoming calls on your device. Removing the SIM card on your iPhone X should help in dealing with firmware crashes. This will also refresh and calibrate the SIM card function on your device. 

To make sure that you’re removing the SIM card and reinserting it properly, follow the steps provided below: 

  1. Turn off your iPhone completely.
  2. Get the SIM ejector tool then insert it into the small hole on the SIM tray. The SIM tray is found on the side of your iPhone.
  3. Gently push the ejector tool until the tray pops out.
  4. Remove the SIM card from the tray and inspect it for any signs of damage like liquid traces and scratches. If there’s none, place the SIM card back into the tray in the same position and orientation before it was removed.
  5. Push the SIM card tray back into the phone until it’s locked.

Turn on your iPhone once the card tray is safely placed into the device. Then check if you can receive calls without delays this time. 


Still having an incoming call delay on your iPhone X? 

If none of the solutions stated above fixed the problem on your iPhone X, you can try other advanced methods such as factory reset, recovery mode restore and DFU mode restore. You can also reach out to your carrier provider and ask if there’s an ongoing service outages in your area that might be affecting the call functionality. 

Sending a report to Apple support is also a good idea to get official recommendations on how to deal with the incoming call delays on your iPhone X after updating to iOS 13.3