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Friday, March 29, 2024

Getting Last Line No Longer Available Error Message on iPhone? Try Out These 11 Solutions! 

Since it has been observed that many users are getting “Last line is no longer available” error message on iPhone 13 while trying to call Contacts; we thought of covering this issue in this article today.

Here, we are going to show how to get rid of this “Last line is no longer available” error message. So, if you have also faced this recently and confused about this message and don’t know what it means or what to do to solve this problem then, just follow through the guide—

About Last Line No Longer Available Error

This “Last line is no longer available. Do you want to call using your remaining line” complete error message indicates that you cannot make any further calls with the SIM card in use at the time. When it appears, it will also ask you whether you want to use another SIM card in your iPhone to continue the call or not.

The Last line is no longer available.

However, it turns out that there is nothing new about the “Last Line No Longer Available” error on iPhone 13 as it already exists on dual-SIM supported iPhone models including— iPhone XR, iPhone XS, iPhone XS Max, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone 12, iPhone 12 Mini, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 13, iPhone 13 Mini, iPhone 13 Pro, and iPhone 13 Pro Max.

Why ‘Last Line No Longer Available’ Error Message Occurs on iPhone?

Based on previous instances, the ‘Last line is no longer available’ error message has been known to occur after recent updates. To be precise, after you update your iPhone, it is possible that eSIM will be activated on your phone regardless of the fact that you are using a physical SIM. 

So, when eSIM is activated on your phone, and you are also using a physical SIM, the device may get confused and not be able to choose a line when trying to make a call. This results in the “Last line is no longer available” error message that you get when this happens.

However, it seems that the problem is usually caused by the activation of eSIM after a certain update but this is not always the case.

So, before we use different methods to fix the problem, let us look at the various causes of this problem to help you understand it better!

  • In some cases the error in question occurs if your automatic network selection or Wi-Fi calling is enabled on your iPhone. 
  • In other remaining cases, the reason for the error message in question is the latest call log. It has been reported that the problem is occurring with the contacts that were present in the user’s recent call log before the update. 

How to Fix the Error ‘Last Line No Longer Available’ on iPhone?

Now that you have gone through all the possible causes, it is time to try the 10 solutions listed below to circumvent the encountered issue. So, without further ado, let’s get started—

Also, read to ‘Fix My iPhone Not Sending Messages Issue!’

[Note: You need not have to try them all. Just work your way through the list until one of these solutions helps you get rid of the problem in question that you are facing.]

Solution 1: Turn the Airplane Mode Toggle Switch On/Off

Needless to mention that the issue you are dealing with revolves around the service provider and the device. So, the first workaround for you when trying to fix this problem is to temporarily restart your connection by turning on Airplane Mode and then, quickly restarting it. 

This will help you refresh your cellular service and thus, most probably fix the last line not available issue on your iPhone. Keeping this in mind, to turn on/off Airplane Mode, you need to follow these steps—

  • Step 1: You must first ‘Swipe down’ from the top right corner of the screen (on iPhones without the Home button). By doing so, you can access the Control Center.
  • Step 2: On the Control Center panel, tap the ‘Airplane Mode icon’ to enable it.
  • Step 3: Now, you have to wait for a few seconds and after that, tap on the ‘Airplane Mode icon’ again to turn it off.
Tap the Airplane Mode icon to enable it
  • Step 4: When you do this, your iPhone will first disconnect from its connected cellular network and then try to establish a connection with it again. However, even then, be sure to enable your network connection once again.
  • Step 5: Now, try dialing any contact on your iPhone via your preferred SIM card to check if the “Last line is no longer available” issue is now resolved or not yet!

Solution 2: Clear Your Recent Call Logs on iPhone

While the ‘Last Line No Long Available’ issue is most likely caused by your e-SIM, many users have confirmed on reddit and also in the Apple Community that they had solved this problem via clearing their recent call logs from the Phone app.

So, considering this as a really practical solution to fix Last Line No Long Available iPhone, you should give it a try because if it works for them, maybe it will work for you too.

Although it sounds very easy to do, we suggest that you think twice before proceeding to clear your call logs. This is because you will never be able to access the deleted logs in the future.

Also, before clearing your call logs data, if you’ve received some calls from unknown numbers that you haven’t saved as contacts yet, make sure to save them.

Once this is done, you can clear your recent call log on your iPhone with these steps—

  • Step 1: Firstly, you’ve to launch the ‘Phone app’ on your iPhone.
Launch the ‘Phone app’ on your iPhone.
  • Step 2: Once opened, navigate to the ‘Recents’ tab which is present at the bottom.
  • Step 3: On the recents screen, tap on the ‘Edit’ option located in the top-right corner of the screen.
recents screen, tap on the ‘Edit’
  • Step 4: Then, tap on ‘Clear’ from the top left corner of the screen. 
  • Step 5: Following that, you’ve to simply select the ‘Clear All Recents’ option to confirm the deletion. 
Clear All Recents
  • Step 6: In the end, make sure to restart your iPhone.

Now that your iOS device has rebooted, try making a call from the default line. When you do this, if the error message pop-up does not appear, it means that you have fixed the problem. If the error message in question pops up, try the next lined up solution.

Solution 3: Disable Wi-Fi Calling and Automatic Network Selection

As enabling Wi-Fi calling and automatic network selection is one of the reasons why this problem occurs, you will need to disable your automatic network selection or Wi-Fi calling from your iPhone’s settings to resolve the issue. 

That said, start disabling Wi-Fi calling with the help of given steps—

  • Step 1: Open up the ‘Settings app’ on your iPhone.
  • Step 2: Then, inside the Settings, tap the ‘Mobile Data’ option given. [Note: On some versions of iOS, the Mobile data option is also referred to as “Cellular.”]
  • Step 3: Inside mobile data/cellular settings, tap on the option ‘Wi-Fi Calling.’
  • Step 4: Now, you have to make sure that Wi-Fi Calling is turned off. If not, move the slider to the other side to turn it off.
 Move the slider to the other side to turn off Wi-Fi Calling.
  • Step 5: Once that is done, try to make a phone call to see if the error message is still there.

If yes, then apart from disabling Wi-Fi calling, also try to disable ‘automatic network selection’ by following these steps—

  • Step 1: Open up the Settings app on your iPhone.
  • Step 2: On the Settings app, navigate to the ‘Mobile Data’ section.
  • Step 3: There, tap on the ‘Network Selection’ option and make sure that “Automatic Network Selection” is disabled by tapping on the ‘Slider’ next to “Automatic.”
Tap on the Network Selection option and disable  Automatic Network
  • Step 4: Once that is done, try making a call again to see if the problem is now resolved.

Solution 4: Force Restart Your iPhone

Next, consider restarting your iPhone as doing so resets the cache and RAM on your system and clears all its background services which should be enough to fix some minor incompatibilities on your iOS system. 

However, the process for force restarting the iPhone differs for different iOS versions. So, considering the same, we have mentioned below how you can force restart your respective iPhone—

  • To force restart iPhone 8 or later: Press the Volume Up button > then, quickly press the Volume Down button > after that, press and hold the Power button until the Apple logo appears on the screen.
  • To force restart iPhone 7/ 7 Plus: You have to press and hold the Power button and the Volume Down button together until the Apple logo appears on the screen.
  • To force restart iPhone 6s/ 6 Plus or earlier: Simply press and hold the Power button and Home button simultaneously till when the screen goes black and the Apple logo appears. 

Solution 5: Turn off Find Contacts

In the Apple community itself, some users also said that they’ve fixed this problem by turning off Find Contacts, so; you can also try this method. Having said that, here is how you can turn off ‘Find Contacts’ on iPhone—

  • Step 1: Go to your iPhone’s ‘Setting app.’
  • Step 2: In that, tap on ‘Contacts.’
  • Step 3: Then, tap on ‘Siri & Search.’
  • Step 4: There, you just have to turn off the toggle switch for ‘Find Contacts in Other Apps.’
Tap on Contacts

Solution 6: Remove and Reinsert Your SIM

In case, you use only one SIM card on your iPhone or your default line for calls and messages is your physical SIM card but still getting this error then, maybe this trick will work for you. You can try removing the SIM card from your iPhone and putting it back in the slot. 

This has fixed cellular network related issues on most phones so; it’s worth trying and to do this—

  • Step 1: First, you’ve to switch off your iPhone.
  • Step 2: Then, you need to insert a paper clip or use the SIM-ejector tool to pop out the SIM card tray.
  • Step 3: Once the tray is out, remove the SIM from its slot, and clean it.
  • Step 4: After doing this, place it back again and push the tray into the slot. 

Now, make sure to boot your iPhone and once it’s on, call via the default line to see if the error in question still exists.

Solution 7: Try Switching Between SIMs/ Swapping the SIMs

If you still keep getting the “Last line no longer available” pop-up when making calls, you can consider switching between SIMs (in case you use more than one SIM card on your iPhone). 

Basically you are exchanging the original positions of the SIM cards in its holders in order to change the default line for your iPhone to make calls and send messages.

  • Step 1: To switch between SIMs, tap the ‘i’ button next to the contact you want to call.
tap the i button next to the contact you want to call.
  • Step 2:  Then, tap on your ‘Default Phone Number.’
  • Step 3: Next, you also have to tap on your ‘Alternate Number.’
  • Step 4: Now, while manually dialing a phone number, select the ‘Primary Phone Number’ and following that, choose the ‘Alternate SIM.’
Select the Primary Phone Number and choose the Alternate SIM.

Solution 8: Update Your iPhone’s Carrier Settings

Whether you know it or not, iOS has the unique feature of updating the settings for your iPhone’s carrier service, unlike other mobile operating systems (OS) or interfaces. 

So, because this feature will help you fix carrier-related issues by giving you the latest version of carrier settings for your iPhone, this is what you should next try to get rid of this “Last line is no longer available” problem.

  • Step 1: Open the ‘Settings app’ on your iPhone.
  • Step 2: Then, navigate to ‘General’ > ‘About.’ 
 Inside the Settings app navigate to General > About.
  • Step 3: Now, you may see a ‘Carrier Settings Update’ prompt on the screen asking you to update the carrier settings.
  • Step 4: So, if you missed a carrier update that just needs to be installed on your device, press ‘Update’ at the pop-up prompt to install the latest configuration from your carrier!
Tap on Update

Solution 9: Reset Network Settings

Not to mention, sometimes, resetting your network settings will also fix a wide variety of problems. So, resetting the network settings of your iPhone is worth a try. To do so—

  • Step 1: First of all, head into your respective iPhone’s ‘Settings app.’
  • Step 2: Then, navigate to the ‘General’ section.
  • Step 3: Inside the same, you’ve to first tap on the ‘Transfer or Reset iPhone’ option.
  • Step 4: Next, tap on the ‘Reset’ button followed by ‘Reset Network Settings.’
  • Step 5: Now, you’ve to enter your iPhone’s passcode and select the ‘Reset Network Settings’ option again in the pop-up to confirm your action.
Select the ‘Reset Network Settings’ option.

Solution 10: Update iOS Software

Another way out is to check your iPhone’s updated version to make sure your iPhone is up-to-date. Updating your phone’s iOS software is a must because if there are some bugs causing the error in question to occur then, those bugs can be repaired in the latest update.

However, it is not guaranteed that updating the software of your respective iPhone will help you get rid of this “Last line is no longer available” problem, but it is better to try. So, in order to update your iPhone to the latest iOS version, follow the below steps—

  • Step 1: Head to the ‘Settings app’ on your iPhone.
  • Step 2: Inside Settings, go to the ‘General section and there, tap on ‘Software Update.’ 
Inside Settings go to the General section to tap on Software Update.
  • Step 3: Now, select the available update to download and install the latest version of your iOS.

Solution 11:  Reset All Settings

Last but not least, if any of the above fixes help to resolve the “Last line is no longer available” issue, you can try clearing all your current settings on iOS (without actually wiping all your data). 

Well, if this problem is one that you cannot ignore, then losing all the saved settings on your iPhone should be the least of your worries in fixing it. So, without thinking much reset all the settings of your iPhone with these given steps—

  • Step 1: To begin, open the ‘Settings app’ on your iPhone.
  • Step 2:  Then, go to the ‘General’ section and there, tap on ‘Transfer or Reset iPhone.’
  • Step 3:  Next, tap on ‘Reset’ and following that, select ‘Reset All Settings.’
  • Step 4: Now, you have to enter your respective ‘Passcode’ which you have set for your iPhone.
  • Step 5: Upon entering the passcode, tap on ‘Reset All Settings’ again to finish.
Tap on Reset All Settings option.

That’s all there is to know about how to fix the “Last Line No Longer Available” issue which is caused by bugs in the feature of dual-SIM iPhone. So, giving the above-discussed solutions a try will help you get rid of the issue on iPhone 13 and all other newer models of iPhone.

However, even after all this, if you are still unable to make the call due to the “Last line no longer available” error; you may need to talk to the Apple Support team or your carrier service provider or take your iPhone to Apple Support so that you can get it checked.

Next, you can also check this out: 4 Methods to Recover/Retrieve Deleted Text Messages on iPhone

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