11 Tips to Fix "Last Line No Longer Available" on iPhone

You are trying to call someone from the Recent list on your iPhone 14 but ended up with an error popup saying, "Last Line No Longer Available". This can be intimidating as it prevents you from making the necessary calls. Fortunately, there are some solutions that you can try to get rid of it. Keep reading to learn more!

In this article, we will emphasize on what is the last line no longer available error on iPhone and why it occurs. Also, we will let you know some possible fixes that you can try to get rid of the issue.

What Does Last Line No Longer Available Mean?

iPhone users may sometimes encounter the "last line no longer available" error message when attempting to make a call. This issue usually arises when the carrier being used does not support VoLTE (Voice over LTE).

When this error occurs, the iPhone automatically switches to 3G or 2G networks, which do not support VoLTE. Consequently, the iPhone cannot complete the call, and the "last line no longer available" error appears.

To prevent this error, iPhone users should ensure their device is connected to a carrier that supports VoLTE.

Why Does iPhone Say Last Line No Longer Available?

Here are some of the top causes behind the last line no longer available error on iPhone:

• Wi-Fi Calling: Do you have Wi-Fi calling enabled on your iPhone? It sometimes can malfunction with the cellular network and lead to problems.
• Recent Call Logs: Most users faced this problem while trying to call a number from the recent list. It can be a bug in the iPhone system software.
• iOS Network Selection: Another feature that can malfunction and lead to this issue is the iOS Network Selection. The error may occur if the Automatic Network Selection is turned on.

How to Fix Last Line No Longer Available on iPhone?

Due to unknown reasons, Apple is not bringing any fixes to the last line no longer available error. However, you can try the below tricks to eliminate the disturbing issue.

1. Remove SIM Card and Reinsert It

If you are using a physical SIM card on your iPhone, trying this easy trick might help you to sort out the issue. Simply take off the SIM from the tray using an ejector tool. Then reinsert the SIM card and try calling someone from the Recent list.

2. Restart Your iPhone

In most cases, a simple restart is enough to get rid of any problems on your iPhone. When you do so, the RAM gets cleaned, and other temporary files are removed.

To restart the iPhone, press the Power button and wait for the slider to occur. For the newer iPhone devices, tap and hold the Side button and one of the volume buttons. Then drag the slider to shut down the device. After that, long press the power button or the side button again to restart the phone.

3. Clear Your Recent Call Log

Another effective solution is cleaning the recent call logs when you encounter this error.

• Open the Phone app and click on ‘Recents’.
• Tap on ‘Edit’ and ‘Delete’ to delete the call entries related to the number.

If the issue persists for every contact on the ‘Recent’ list, you can delete all the call logs:

• Go to Recents > Edit > Clear. 
• Then press ‘Clear All Recents’ in the popup.
• Make sure to save important numbers before doing so.

4. Turn Airplane Mode On & Off

Turning on the Airplane mode is an excellent way to reset the network modules of the device. It may also help you to fix the last line no longer available error.

First, open the Control Center of your iPhone and tap on the Airplane icon. After a few seconds, press again on the icon to turn off the Airplane mode.

5. Disable Wi-Fi Calling

As we mentioned prior, Wi-Fi calling can sometimes cause this malfunction. Consider turning off the Wi-Fi calling feature following the below steps:

• Go to Settings > Cellular.
• Find and open “Wi-Fi Calling”.
• Turn off the toggle for Wi-Fi calling.

6. Turn off Automatic Network Selection

Some iPhone users managed to get rid of the last line no longer available error by turning off the Automatic Network Selection feature. You can do so by utilizing these steps:

• First, go to Settings > Cellular.
• Next, find and open Network Selection.
• Then, turn the toggle off beside the Automatic Network Selection option to select your carrier network.

7. Using a Different Line for Cellular Data

‘Last Line No Longer Available’ issue may appear when you use default or preferred line to access cellular data. You can follow the steps below to change that:

• Open iPhone Settings and tap on Cellular.
• Click on Cellular Data and select a different phone line.

8. Update Carrier Settings

Sometimes some carrier settings of your iPhone can lead to this issue. Updating the carrier settings may assist in solving this problem. It can also improve the overall cellular performance of the network. Here is how to do this:

• Open Settings > General > About.
• You will see a popup requesting to update the carrier settings if the update is available.
• Press "Update" on the popup to begin the carrier settings update.

9. Reset Network Settings on iPhone

If you are using an e-SIM, resetting the network settings may help to solve the issue. It might also work for the physical SIM. Here is how to reset the network settings:

• Open Settings > General.
• Tap “Transfer or Reset iPhone”.
• Press “Reset Network Settings” in the popup.

10. Update iPhone to the Latest iOS

If your iPhone is running on an outdated version of iOS, it's normal to encounter issues like Last Line No Longer Available. Consider updating your iPhone’s iOS software to the latest version to enjoy a smooth and bug-free performance. Here is how to check for update and download it.

• Open Settings > General > Software Update.
• If the update is available, tap on it and press “Download and Install” or “Install Now”.

11. Repair iPhone with Professional Tool

It must be very frustrating if you have tried all the fixes mentioned above and are yet unable to get rid of the error. However, there is one last thing we want you to try FoneGeek iOS System Recovery, a 3rd party iOS repair tool that enables you to fix various system errors of iPhone, even the newest iPhone 15/14.

The tool is easy to use, and you have a high chance of fixing any iOS system bug and error without causing data loss. Let's see how to utilize the FoneGeek iOS System Recovery to solve the Last Line No Longer Available error.

Step 1: Install and launch the FoneGeek app on your Windows/Mac PC. Select “Standard Mode” from the home screen.

Step 2: Now connect the affected iPhone using a USB. If it's in the normal state and running on iOS 12 or newer, unlock it and tap "Next". If the device is not detected, make use of the on-screen guide to boot it into DFU or Recovery mode.

Step 3: You will see the available firmware versions and the device model. Pick the preferred firmware and press “Download”. Wait for it to be completed.

Step 4: Once the download is initiated and verified, press "Fix Now". That's it'; FoneGeek will begin solving the issues with your iOS device. Your iPhone should get back to its normal state within a while.

The Bottom Line

We hope you are able to get rid of the Last line no longer available error by trying the solutions we have discussed above. Make sure to try FoneGeek iOS System Recovery if others don’t work. With the powerful and efficient tool, you should be able to solve the error within the shortest time if it is a system error. Best of luck!