Call Failed on iPhone? 10 Ways to Fix The Issue

It is highly irritating when you dial a number on your iPhone, and the call fails to connect. Lately, there has been a rampant increase in this issue. Some people complain that they face this problem while making calls to specific numbers. Few also grumble that this technical glitch can be experienced on all Apple smartphones, including the latest iPhone 11 series. But worry not, we have tested solutions to fix call failed issue on iPhone.

Note: Following solutions work for all iPhone models including iPhone 11 Series, iPhone Xr, iPhone SE, iPhone Xs and X series, iPhone 8 Plus & 8,  iPhone 7 & 7 Plus, iPhone 6 & 6s series, iPhone 5, 5s and 5c.

  1. Dial *#31#
  2. Turn Off and On Airplane Mode
  3. Restart iPhone
  4. Remove & Reinsert SIM Card
  5. Reset Network Settings on iPhone
  6. Reset All Settings
  7. Update Your iPhone’s Software
  8. Check Blocked Contacts List
  9. See if Call Forwarding is Turned On
  10. Contact Your Carrier

1. Dial *#31#

Almost sure shot and easiest way to fix the problem of call failed on your iPhone is to dial *#31#.

dial *#31# on iphone

2. Turn Off and On Airplane Mode

Open the Settings app and tap on the icon for Airplane Mode to enable it. After 30 seconds, tap on the same toggle to disable it. Now, try to make a phone call. It should work.

turn on airplane mode on iphone

3. Restart iPhone

Even after following the above fix, if you have trouble making phone calls, try restarting your iPhone. The simplest way is to use the buttons as you usually do. You may also open the Settings app and tap on General. Next, choose Shut Down. After a minute, turn on your iPhone and try making a call. The issue will most likely be fixed.

shutdown your iphone

4. Remove & Reinsert iPhone’s SIM Card

All modern iPhones have the SIM card slot on the right side. Use the ejector tool or a pin to remove the SIM card carefully. Next, slowly and with caution, rub it on a soft dry cloth and insert it back.

5. Reset Network Settings on iPhone

If you think that network is the culprit behind call failed on iPhone, you can go for Reset Network Settings. Most network-related issues like the inability to make phone calls, message failures, cellular data issues are fixed after a reset. Please know that this won’t delete any personal data, but things like your saved Wi-Fi connection, Bluetooth devices, VPN configurations will be erased.

To perform a Network reset, open the Settings app → GeneralReset.

tap on general and then tap reset in settings on iphone

Reset Network Settings → Enter your iPhone passcode and confirm.

reset network settings on iphone

6. Reset All Settings

If the above less severe reset did not work, please follow the same steps as above and choose Reset All Settings. The consequences of this are more significant.

It will erase or return to default, all settings you have ever changed on your iPhone. This includes keyboard settings, Home Screen layout, Wi-Fi, Bluetooth, VPN, Location Settings, and more. But, it won’t delete any personal data like photos, videos, apps, music, etc.

7. Update Your iPhone’s Software

Open the Settings app and tap on General.

open settings and tap then on general on iphone

Next, tap on Software Update. If you see a pending update available, tap on Download and Install.

Update iOS on iPhone or iPad

Once the process completes, there is a strong possibility that the call failed issue is successfully addressed.

8. Check Blocked Contacts List

Maybe someday you had intentionally or accidentally blocked a contact. To make sure that the number you are trying to call is not blocked. For this, open the Settings app and tap on Phone. Scroll down and then tap on Blocked Contacts.

tap on phone and then tap blocked contacts in iphone settings

If the person/number is added here, swipe right to left on it and tap on Unblock.

unblock blocked contacts on iphone

9. See if Call Forwarding is Turned On

Call forwarding may also cause interference, and thus if you are facing call failures, make sure you turn it off. For this open the Settings app and tap on Phone. Next, tap on Call Forwarding. Wait for it to load. And if it is enabled, tap on the toggle to disable it.

make sure call forwarding is disabled on iphone

10. Contact Your Carrier

Finally, if nothing helps, contact your mobile carrier. You can reach them via email, Twitter, or use their mobile app. Make sure there is no pending bill or unpaid charges that have resulted in the suspension of the service.

That’s all!

These are some of the ways to fix the call failing issue on the iPhone successfully. I hope one of the solutions helped you out of this problem. At last, also give a shot to updating your carrier settings. Additionally, if the Phone app freezes repeatedly, you may see how to fix it.

Next, you may like to look at our list of best video calling apps and some of the finest FaceTime alternatives.

Call Failed on iPhone

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Jignesh Padhiyar
Jignesh Padhiyar is the co-founder of who has a keen eye for news, rumors and all the unusual stuff that happens around Apple products. During his tight schedule, Jignesh finds some moments of respite to share side-splitting contents on social media.


  1. Just got new iPhone 11 and calls fail. i tried every single option below, including rebooting. I did notice that I don’t have a toggle for caller ID – it just never loads and keeps spinning. Help!

    • I have the exact same issue on my iPhone 6S Plus. The call works fine, but whenever someone hangs up, or I do not pick up the phone, I get the message saying “Call failed”, and an option to call back or exit.

  2. This problem can also be solved turning the cellular mode to “data only” cause some of the carrier may cut the phone automatically if 4G is on during a phone call. hope its help cuz i had been struggling from this problem for some days. :)


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