Fixed – Last Line No Longer Available” iPhone 11/11 pro max/12/13/15

When you try to call your default phone number from your iPhone 11, 12, 13 etc, you keep getting the “Last Line No Longer Available’ message. Relax; you aren’t the only one who is dealing with this problem. 

This problem has been reported by several iPhone 11 pro max owners using iOS 15. While the issue appears to be most prevalent on the iPhone 13 series, it also affects older iPhone models running iOS 15. 

As usual, we’ve put together a tutorial to assist you in resolving the “Last Line No Longer Available‘ error on iPhone 11. So, let’s jump into troubleshooting mode and see what we can do to solve the problem.

Causes Of Last Line No Longer Available On iPhone?


The last line no longer available’ error isn’t new to Apple iPhone; it’s been around since iOS 12. The dual-SIM variants of the iPhone XR, iPhone XS, iPhone XS Max, iPhone 11, 11 Pro Max, 11 Pro Max, iPhone 12, 12 small, 12 Pro, 12 Pro Max, iPhone 13, 13 tiny, 13 Pro, and 13 Pro Max are all affected. 

Last Line No Longer Available

When a user uses the phone apps recent logs to make a call from the default line, the error message “last line no longer available” shows on the screen. “Would you like to use your extra line to make a call?”

How To Fix ” last line no longer available iphone 11, 12, 13, 11Pro Max, iphone xr etc.


Before you can find out what’s causing the problem and what you can do about it, you need to have a firm hold on it. As a result, before diving into the various techniques for resolving the problem, we first talked about what might be causing this recurring error.

Turn On Or Off Airplane Mode


Airplane mode is my go-to iPhone troubleshooter for any network-related issues, believe it or not. Resetting the radios generally solves the problem if there is an infrequent network problem. Give this hack a try before moving on to the other tweaks indicated below. 

Swipe down from the top right corner of the screen (for iPhones without a home button) and pick the airplane mode icon to open the Control Center.

Wait a few seconds before tapping the airplane mode icon to switch it off and reactivate your network connection. Now, try contacting any contact on your iPhone using your preferred SIM card to see if the last line no longer available’ issue has been resolved. 

Delete Your Call History


Clearing the recent call log worked for several iPhone users who were seeing the last line no longer available’ problem. While it may sound strange, we have come across several out-of-the-box solutions in the past that have helped us solve challenges. So don’t lose out on this as well.

Open the Phone app on your iPhone, scroll down to the recent tab, and press “Edit” in the upper right corner. Then press “Clear” in the top left corner of the screen. Choose “Clear All” from the drop-down menu to confirm the deletion. Now is the time to restart your iPhone. 

After your device has rebooted, make a call from the default line. If the pop-up doesn’t display, you’ve fixed the problem.

Update Carrier Settings


Changing the transporter settings on your iOS gadget is one more methodology for settling the “last line no longer available’ issue. The issue may be brought about by a transporter organization, which you can fix by changing the transporter settings on your cell phone. Fortunately, transporters carry out enhancements for a customary premise to further by and large cell network execution and take out interesting flaws.

In the Settings application on your iPhone, go to General – > About. You could now see a warning requesting that you change your transporter settings.

Then, at that point, click “Update” from the spring spring-up and you’re all set!

Remove And Reinsert Your SIM


Have none of the suggestions above helped you solve the problem? So, take out the SIM card and replace it. This age-old method has helped many people get rid of cellular troubles. Pull out the SIM tray with a SIM-ejector tool after turning off your iPhone. Wait a few moments before reinserting the real SIM card. 

Then, to turn on your device, press and hold the power button. Place a call on your iPhone default line and see if the last line no longer available error prompt still appears.

Update Software


Most iOS updates these days come with a slew of issues. While some are resolved with later updates, others, particularly those that are less well-known, persist for a long period. Aside from that, there are a few glitches that pop up now and then, and we compiled a list of the most common iOS 15 issues and solutions in the linked post. 

Though it may appear to be a criticism of Apple’s mobile operating system, it is the unpleasant reality. 

If you’re still getting the error while calling on the default line, it’s most likely due to a glitch. As a result, updating the software may be able to solve the problem.

Scramble toward the Settings application on your iPhone – > General – > Software Update and download and present the latest variation of iOS.

Most likely these are tips and tricks you can use to handle the ‘Last Line No Longer Available’ bumble on your iPhone 13 or a more prepared iPhone model. As we referred to over, the issue is sensible association related. Accordingly, tips like resetting the association settings or invigorating carrier settings will undoubtedly decide the issue.

Reset All Settings


At the point when fundamental tips neglect to determine a typical iOS issue, clearing out every one of the current settings and setting up the gadget without any preparation can help. Hence, we recommend you evaluate this arrangement close to fixing last line no longer available’ blunder on your iPhone.

Open the Settings application on your iPhone – > General – > Transfer or Reset iPhone – > Reset – > Reset All Settings.

Presently, enter your gadget password and tap “Reset All Settings” again to wrap up.



Hopefully, you have learnt how to fix iPhone last line no longer available, feel free to to refer to our related articles for more guide. Also drop your feedback on the comment section below for more assistant.