How to Fix iPhone Does Not Receive Calls after iOS 18 Update

There might be some issues on your iPhone after you update iPhone to iOS 18. If iPhone does not receive calls, you could read this passage to find the solutions for your iPhone.

By @Dylan Last Updated September 29, 2024
 

Not receiving incoming calls on iPhone.

My iPhone 15 won't receive calls but can call out after I installed iOS 18 beta on it. How can I fix the issue?

- Question from iPhone User

iOS 18 has been unveiled. There would be huge changes in the new system. Before it is officially released, every iPhone user could download the iOS 18 beta to experience the new features.

However, there are a lot of bugs reported by users. Sometimes you would find that calls not coming through iPhone. This could be a severe problem because you might miss important calls. Just read this passage to know the cause of this problem and get the solutions.

Why iPhone does not receive calls?

The causes of iPhone calling problems often relate to signal, network settings and SIM card. After you update iPhone to iOS 18, some of your customized settings on iPhone might be modified so that the involved iPhone features cannot be used.

The phone might be in Airplane Mode, Do Not Disturb, or Call Forwarding might be turned on. You need to check the settings or avoid making or answering calls in the places like elevators and staircase to make sure iPhone could receive signals.

Besides, SIM card issues often happen to a locked iPhone. If you are unable to receive calls from a specific person, it may be because you accidentally blocked their number.

How to fix not receiving calls on iPhone

Since the possible causes of iPhone calling issue has been told, you could follow the 9 solutions to fix it.

Solution 1. Turn off Airplane Mode

If the Airplane Mode is on, you could not use cellular, Wi-Fi, or making or receiving calls. You could swipe down the screen from the upper right corner and turn off Airplane Mode.

If the Airplane Mode is not off, you could simply turn it on for a few seconds and then turn it off to restart the service about network.

Solution 2. Turn off DND

DND could be used to silence calls, alerts, and notifications to let others Do Not Disturb you. You could check whether there is a crescent moon icon at the top of iPhone screen.

To turn off DND, you just need to go to iPhone Settings > select Do Not Disturb and then switch it off. You could also find it on the control panel in solution 1.

Solution 3. Check blocked phone number

If you find iPhone not receiving calls from certain numbers on your iPhone, you need to check whether they are mistakenly blocked.

Go to iPhone Settings > Phone > Block Contacts to remove them from the blacklist.

Solution 4. Turn off Silence Unknown Callers

Silence unknown callers and you won’t receive the calls from the stranger, but if the numbers appeared in the text messages or emails, you could still answer the calls from them.

If the calls are silenced, you could check whether they appear in your voicemail or on the Recents List. To turn it off, you just go to iPhone Settings > Phone > Silence Unknown Callers.

Solution 5. Reset Network Settings

The network settings might be changed after iOS 18 update, but you could easily fix it by reset network settings. You should remember the important configuration like Wi-Fi passwords to make sure you can use networks as usual.

Go to iPhone Settings > General > Reset > Reset Network Settings.

Solution 6. Update carrier settings

iOS 18 is the newest iOS, so that your network service might not support making or receiving calls in the new system. You need to update your carrier settings to improve cellular network connectivity and performance. It could also solve the incompatibility issues.

Make sure iPhone is connected to good network, go to iPhone Settings > About, and then wait for several seconds. If there is a pop-up to tell you update carrier settings, then tap Update. If not, you need to check the following solution.

Solution 7. Try magic code

There are some secret codes that you could use to quickly enable or disable some features.

You could try dial *#31# and see whether you could receive calls on iPhone now.

Solution 8. Contact your Carrier

The best way to solve the problem is contacting your carrier. Tell them your phone number and iPhone information. They must have met such cases. Ask them whether there’s some thing wrong with your phone numbers or whether the iPhone needed to be unlocked.

Tips: Backup iPhone in case of iPhone problem

Updating iOS 18 makes your iPhone face all kinds of risks. In addition to the iPhone not receiving calls after update, it can also lead to unexpected data loss or cause certain apps to malfunction. To protect your data from loss, backing up your iPhone with the professional AOMEI FoneBackup is necessary.

Just download it > Connect iPhone to the computer with USB cable > Go to Phone Backup > Choose Full Backup to back up iPhone 16/15 or other iOS devices, then all your iPhone data can be protected. Or choose Selective Backup to back up photos, videos, music, contacts and messages as you like.

Download FreewareWin 11/10/8.1/8/7/XP
Secure Download

Once the backup is completed, you can go to My Backups page to view, delete or restore your backups to any iOS device, even if it doesn't use the same Apple ID as the source device.

If you want to back up WhatsApp to PC, Aomei FoneBackup can also help you a lot. Just go to WhatsApp Manager and choose Backup WhatsApp, then you can finish the process at a super-fast speed.

Conclusion

If you find iPhone does not receive calls after iOS update, you could use the 9 solutions in this guide to troubleshoot and solve it. To protect iPhone data, you need to use AOMEI FoneBackup to save all or part of iPhone data.

Is this guide helpful? You could share it to help more people.