How to Fix ‘Last Line No Longer Available iPhone 13’ Error

Apple released iOS 15 and the iPhone 13 models at around the same time last month and users have been quite vocal about what the company has to offer, some having full praises while others have been quite critical. Among the problems users are facing is the ‘Last Line No Longer Available’ error that pops up inside the Phone app from time to time. On this page, we’ll explain what this error is all about and how you may be able to fix them on your own. 

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Why do I get the ‘Last Line No Longer Available’ Error on my iPhone 13?

The ‘Last Line No Longer Available’ Error seems to pop up when a user is about to make a call on their iPhone 13 upon activating it for the very first time. Based on previous instances, this issue appears to be a bug that’s somehow related to the e-SIM functionality on some newer iPhones. An e-SIM is a digital SIM that enables the dual-SIM option on the newer iPhone models like iPhone 13 series, iPhone 12 series, iPhone 11 series, iPhone XR, and iPhone XS/Max. 

Users who are facing the ‘Last Line No Longer Available’ Error report that they’re alerted about the error as soon as they’re about to make a call from their default line through the Phone app’s recent logs. The default line is the SIM you prefer to use to make calls and send messages to people you haven’t saved as contacts.

The issue prevents you from dialing the contact through your preferred SIM card, forcing you to try alternate methods of communication. It doesn’t just affect the latest iPhone 13 models but has been a recurring phenomenon on older iPhones after a recent iOS update. Users on Apple Communities and Reddit have reported similar issues with their iPhones dating back to when iOS 12 was released in 2018, meaning even older iPhones with dual-SIM support may encounter this error.  

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How to Fix the ‘Last Line No Longer Available’ error

If you continue to get the ‘Last Line No Longer Available’ Error on your iPhone, then you may want to look at the following fixes we’ve provided below. After trying out each of these fixes, make sure you check if the issue continues to appear. 

Fix #1: Clear your Recent Call Log

While the ‘Last Line No Longer Available’ bug points to your e-SIM, several users have confirmed that the issue gets resolved once they clear their recent call logs from the Phone app.

Note: Although the process of clearing your call logs is pretty basic, you may want to think twice before you proceed since you won’t be able to access this log anytime in the future. If you have recently received calls from unknown numbers that you haven’t saved as contacts yet, now is the time to save them. 

To clear your Recent Call Log, open the Phone app on iOS and go to Recents > Edit > Clear. In the popup that appears, select the ‘Clear All Recents’ option. 

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Fix #2: Try switching between SIMs

If you use the dual-SIM option on your iPhone, then you can try switching your SIM for calling purposes without changing other preferences. If you’ve previously set a default line for calls and messages, you can change it by tapping on the ‘i’ button on the contact you want to call, selecting your default phone number on the screen, and then tapping on your alternate number. If you’re manually dialing a phone number using the keypad, tap on your Primary phone number from the top of your screen and then select your alternate SIM. 

Fix #3: Enable Airplane mode and then disable

Network issues can happen for a whole number of reasons and one of the easiest ways to fix them is to reset your connection temporarily by turning ON Airplane mode and then quickly turning it off. When you do that, your iPhone will first get disconnected from its connected cellular network and then attempt to re-establish connection with it again. For this, open the Settings app and toggle on/off the ‘Airplane Mode’ switch to first enable it first and then disable it. 

You can also toggle ‘Airplane Mode’ on/off for your phone from the Control Center. Swipe down from the top right to open the Control Center and tap on the Plane icon at the top left corner to enable Airplane Mode and then tap on it again to disable it. 

Fix #4: Restart your iPhone

If you still continue to get the ‘Last Line No Longer Available’ error the making calls, you may want to restart your iPhone. Restarting any device resets the cache and RAM on your system and clears all of its background services. This should be enough to fix some minor incompatibilities on the system and apps on your iPhone. To restart your iPhone, and hold the Power button (or Volume up and Power buttons) until you see Power off slider, slide over the setting, and wait for your iPhone to power off. When the device has completely switched off, press and hold the Power button again until you see the Apple logo appear to restart the device.

Restart iPhone iOS

Fix #5: Remove and re-insert your SIM

If you only use a single SIM card on your phone or if your default line for calls and messages is your physical SIM card, then you may want to remove this SIM from your SIM tray. To remove a SIM from your iPhone, insert a paper clip or SIM-eject tool into the hole next to the SIM tray and pull it out. Once out, remove the SIM from its slot, clean it, and then re-insert it accordingly. 

Fix #6: Reset your Network Settings

Since the ‘Last Line No Longer Available’ error points to an issue with your e-SIM, resetting your network settings once wouldn’t be such a bad idea. To reset your network settings, go to Settings > General > Transfer Or Reset iPhone > Reset and select the ‘Reset Network Settings’ from the popup menu. 

If after all this, you’re still unable to make calls because of the ‘Last Line No Longer Available’ error, then you may have to take your iPhone to Apple Support to get it checked. 

That’s all there is to know about fixing the ‘Last Line No Longer Available’ issue on iPhone 13. 

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Ambivalent, unprecedented, and on the run from everyone's idea of reality. A consonance of love for filter coffee, cold weather, Arsenal, AC/DC, and Sinatra.

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