Top 7 Ways to Fix Last Line No Longer Available on iPhone

Top 7 Ways to Fix Last Line No Longer Available on iPhone

Imagine this: You’re in a rush to make a phone call. You bring out your iPhone, dial the number, and bam! Out of nowhere, an error pops up saying ‘Last Line No Longer Available.’ If a similar error message bugs you, this guide is for you.

This error forces you to use the default line (primary number) for voice calls or FaceTime calls on your iPhone. That means the default number or line is used for calling or messaging someone, whether the person is in your iPhone’s contacts or not. But if your iPhone can’t detect that last line (primary number), it’ll throw you this error – Last Line No Longer Available. This mostly occurs when you’re using the iPhone in dual-SIM mode – regular SIM and eSIM.

To efficiently activate eSIM on your iPhone, follow this guide:

Tip: Check if you have properly activated eSIM on your iPhone.

Here are some troubleshooting tips to fix the ‘Last Line No Longer Available’ error message on your iPhone:

– Get right to it.

1. Restart Your iPhone

Firstly, restart your iPhone. This will close down background processes or services that may be causing the error and resolve any minor incompatibilities.

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If you have an iPhone X or later, press and hold the Sleep/Wake button and any Volume button to prompt the shutdown. For older iPhones, press and hold the Sleep/Wake button until prompted to slide across and turn off the device.

Wait for your device to fully shut down, then press and hold the Sleep/Wake button to turn it back on.

2. Clear Call Log

Try clearing the call log on your iPhone to fix the last line error. Some users have reported success by clearing call history on iPhone. Give it a try. Launch the Phone app on your iPhone. Navigate to the Recents tab and tap on Edit. Tap on Clear in the top left corner and select Clear All Recents when prompted. Restart your iPhone and try making a call to see if the error is resolved.

3. Toggle Airplane Mode

If the error occurs due to a network issue, toggle Airplane mode on your iPhone to fix it. This will force your iPhone to re-establish the connection with the network and may resolve the issue.

Swipe down from the top right corner to access the control center. Tap the Airplane icon to enable it. Wait for a minute or two, then disable it.

Top 7 Ways to Fix Last Line No Longer Available on iPhone

4. Remove and Reinsert SIM

If the problem continues, remove the physical SIM from your iPhone and reinsert it. Turn off your iPhone and use the SIM-ejector tool to pull out the SIM tray. Clean your SIM with a microfiber cloth and reinsert it.

Top 7 Ways to Fix Last Line No Longer Available on iPhone

Power on your iPhone and try placing a call again.

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5. Update Carrier Settings

Network carriers frequently update their settings. Ideally, these updates are automatically installed in the background. However, if for some reason the update didn’t go through, you can manually install the pending updates by following these steps:

1. Launch the Settings app on your iPhone.

2. Go to General and tap on About.

Top 7 Ways to Fix Last Line No Longer Available on iPhone Top 7 Ways to Fix Last Line No Longer Available on iPhone

Step 2: If there are any pending updates, a pop-up will appear. Tap on Update to proceed.

Once updated, check if the error is resolved.

6. Reset Network Settings

If updating carrier settings doesn’t work, try resetting network settings on your iPhone. This will restore all network settings to default and fix any network issues. Here’s how:

1. Open Settings on your iPhone and go to General.

2. Scroll down and tap on Reset.

3. Select Reset Network Settings.

Top 7 Ways to Fix Last Line No Longer Available on iPhone

Step 2: Tap on Reset and choose Reset Network Settings from the menu.

Top 7 Ways to Fix Last Line No Longer Available on iPhone Top 7 Ways to Fix Last Line No Longer Available on iPhone

Enter the lock screen password to verify your identity. Tap on the Reset Network Settings confirmation box to begin the restoration process.

7. Update Your iPhone

Checking for software updates is another important step in troubleshooting the “Last line” error on your iPhone. Updating your device to the latest version of iOS can often resolve bugs and improve performance. Here’s how to do it:

1. Open the Settings app on your iPhone and go to General.

2. Tap on Software Update and check for any available updates.

Top 7 Ways to Fix Last Line No Longer Available on iPhone Top 7 Ways to Fix Last Line No Longer Available on iPhone

Download and install any pending updates on your iPhone.

It’s probably a temporary glitch where your iPhone can’t identify your SIM card. So take it out and clean it with ISO Propyl alcohol and a microfiber cloth. Make sure there’s no dirt or residue on the SIM card.

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Such errors can force you to alternative methods but can be fixed with the solutions above. Let us know which solution worked for you in the comments.

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