How To Fix ‘Last Line No Longer Available’ On iPhone

How To Fix ‘Last Line No Longer Available’ On iPhone

If you’re an iPhone user with dual SIM capabilities, you may be aware of the ‘Last line no longer available.’ issue. This article will discuss the meaning of the ‘Last line no longer available error. We have also provided solutions to fix this error so that you can access network connectivity and make phone calls without any problems. 

Meaning of ‘Last Line No Longer Available on iPhone’ Error

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Recently, many iPhone users have encountered the ‘Last line no longer available’ error on their iPhones. This issue affects the preferred line on iPhones with dual SIM capabilities. When the user tries to dial or make a phone call, this error popup and prevents the device from accessing network connectivity from the preferred line.

In that case, it will provide you with two options ‘Call’ and ‘Cancel.’ Going for the ‘Call’ option will suggest you dial a number using a secondary line. You must use a second SIM card to dial or make a phone call.

If the issue solves with the help of enabling and disabling airplane mode or restarting your device, you don’t have to worry about it. However, errors like this generally arise due to any older version of iOS on your iPhone or any other internal issues, which can become a hectic situation for you. 

iPhones with dual SIM functionality often face this error. The first time error appears on the iPhone XS and iPhone XS Max models. Moreover, iPhone 11, iPhone 12, iPhone 13, and even iPhone 14 Pro and Pro Max models have also reported the ‘last line no longer available’ error.

Generally, this error results from unwanted bugs or glitches with the cellular network or a corrupted call log feature. 

Follow the below steps to get rid of this error.

Solutions To Fix ‘Last Line No Longer Available On iPhone’

Here, we have mentioned solutions to fix iPhone’s ‘Last line no longer available’ error. However, before applying any further solutions, ensure your device is charged a minimum of 50% or above. You may have to restart your device several times to cure this bug. 

Apart from this, iPhones with dual SIM functionality are prone to this error. You may not encounter this error if you have a first- or second-generation iPhone SE. 

The solutions to fix the error are as follows:

  • Manually Switch Between SIM Cards On Your iPhone

When you cannot make a phone call through your iPhone or the call fails automatically, you may come across the ‘Last line no longer available’ popup notification on your iPhone screen. This message presents you with two options on your screen. ‘Call’ and ‘Cancel.’Tap the ‘Call’ option to make a phone call via another SIM card. It is an easy and better way to make phone calls. 

Here are the steps to manually switch SIM lines to make a phone call.

  1. When dialing a new call, tap on the current line at the top of your iPhone screen. Select another line to make a call.
  2. If you’re trying to call from your ‘Favorites’ or ‘Recent’ call lists, tap on the ‘Info’ option and select another number.

This may solve the ‘Last line no longer available’ error for many users, as it only allows you to make calls without glitches.  

Moreover, if you don’t want to publicize your second number or you want to keep your other number private, then avoid this step. You will be redirected to make phone calls through another mobile number by tapping on the ‘Call’ button. 

  • Enable and Disable Airplane Mode

Turn on and off Airplane mode is one of the quick fixes for any minor connectivity issue. You can try this solution to fix the ‘Last line no longer available’ error on your iPhone.

When you turn on airplane mode on your device, it will force shut down your network connectivity, and after a few seconds, when you turn it off, it will again normally connect to the network. 

To enable and disable Airplane mode on your iPhone, swipe down from the top right screen, tap on the airplane icon, wait for a few seconds, and then again tap on that icon to reset network connectivity.

  • Restart Your iPhone

If you’ve tried all the above fixes and are still facing the issue, try restarting your iPhone. Restarting your device will automatically shut down any app(s) running in the background.

Many users reported that restarting their devices helps them resolve any minor glitches.

Steps to restart your device:

  1. Go to ‘Settings’ and tap on the ‘General.’ option.
  2. Scroll until  the end and tap on ‘Shut down.’
  3. Now ‘Swipe Right on the  Power Icon,’ and your device will shut down.
  4. Wait for a few seconds and then again ‘Press and hold the side button.’ until you see an Apple logo on your iPhone.

With the help of this method, you may solve the error. But unfortunately, this method is temporary; if you’re device face any minor internal error, then it will fix the issue. To solve the error permanently, you can also apply the methods below.

  • Toggle On/Off Wi-Fi Calling to Fix The Error

Wi-Fi calling allows users to make phone calls over Wi-Fi in a location where the cellular network remains poor. Even though it helps to make a call, sometimes it may also create minor errors to the device and result in the ‘Last line no longer available’ on your iPhone.

To fix the error, follow these steps to Toggle on and off Wi-Fi calling.

  1. Swipe up and  Unlock your iPhone.
  2. Now, head to ‘Settings’ and tap on the ‘Cellular’ option.
  3. After that, tap on the ‘Wi-Fi Calling’ option.
  4. Lastly, toggle off the ‘Wi-Fi Calling on This iPhone’ option.
  • Clear Call History On Your iPhone:

Many users have reported that clearing or deleting call history from the recent call log helps them to get rid of the ‘Last line no longer available’ error on their iPhones.

Follow these steps to clear your call history.

  1. Swipe up and unlock your iPhone.
  2. Now, open the ‘Phone’ app and tap the ‘Recents’ tab.
  3. After that, tap on the ‘Edit’ option (top right corner of the iPhone display)
  4. Here, you can see a list of recently dialed contacts. Tap on the ‘Delete’ icon.
  5. If the error persists, tap on the ‘Clear’ option at the display’s top left corner.
  6. Lastly, tap on ‘Clear All Recents’ to clear all call log history.

Clearing call history will delete temporary files and make space in the call log option for other features to function correctly.

  • Turn Off Automatic Network Selection Option:

  1. Swipe up and Unlock your iPhone
  2. Go to ‘Settings’ and tap on the ‘Mobile Data.’ option.
  3. Now, tap on the ‘Network Selection.’ option
  4. After that, turn off the ‘Automatic Network Selection’ option and select your carrier network.
  • Update Your iPhone To The Latest iOS Version

Any older version of iOS on your iPhone may create this type of error. To get rid of the ‘Last line no longer available’  on your device, try to update your iPhone iOS with the latest version. 

Follow the below steps to download and install the latest iOS version on your iPhone.

  1. Unlock your iPhone and go to ‘Settings.’ from the main Home screen.
  2. Now scroll down and tap on the ‘General’ option.
  3. Here, you will be able to see ‘Software Update.’ Tap on it.
  4. After that, tap on ‘Download and Install’ to update your iPhone.
  5. Lastly, ‘Restart’ your iPhone to check whether the error persists.
  • Reset Network Settings on Your Device

After following the above steps, reset your iPhone’s network settings if you still face the error. To do that, follow the below steps.

  1. Swipe up and  Unlock your iPhone
  2. Go to the ‘Settings.’ from Home Screen
  3. Now, tap on the ‘General’ option.
  4. After that, scroll down until the end, and tap on the ‘Transfer or Reset iPhone.’ option.
  5. Here, you’ll be able to see various options. Tap on ‘Reset Network Settings.’
  6. Lastly, ‘Restart’ your iPhone to check whether the error is fixed.

Conclusion: 

So that’s all, readers!  We hope you’ve gone through the above steps and found the solution to this error easily. Restarting your device, switching between SIM cards, and updating your iPhone with the latest iOS usually fixes the error. 

However, if you face the issue often, the last option is to contact Apple support for help. The tech team at Apple will resolve your issue easily and provide you with in-depth guidance throughout the process.