Top 10 Ways How to Fix Last Line No Longer Avail­able on iPhone

Hello, Guys welcome back here you will learn How to Fix Last Line No Longer Avail­able on iPhone. Consider this: You need to make a phone call quickly. You pull out your iPhone, dial the number, and presto! An error message appears out of nowhere, stating, ‘Last Line No Longer Available.’ This advice is for you if a similar error message bothers you.

Top 10 Ways How to Fix Last Line No Longer Avail­able on iPhone

This issue essentially requires you to utilise your iPhone’s default line (main number) for voice calls or FaceTime calls. That is, whether or not the individual is in your iPhone’s contacts, the default number or line is utilised to call or message them. However, if your iPhone is unable to detect that last line (primary number), it will display the error – Last Line No Longer Available. This is most likely to happen when you use the iPhone in dual-SIM mode (normal SIM and eSIM).

We’ve compiled a list of troubleshooting tips that should help you quickly resolve the ‘Last Line No Longer Available’ error message on your iPhone. So, let’s get started.

1. RESTART YOUR IPHONE

First and foremost, you should restart your iPhone. This should stop any background processes or services that may be causing the problem and resolve any minor incompatibilities.

For the shutdown prompt to show on an iPhone X or later, press and hold the Sleep/Wake button as well as any of the Volume buttons. On older iPhones, press and hold the Sleep/Wake button until the device invites you to slide across to switch it off.

Power Off i Phone

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

2. CLEAR CALL LOG

Next, investigate if deleting the call log on your iPhone helps. Surprisingly, numerous consumers have experienced success in resolving the last line error by wiping call history on their iPhone. You could also give it a shot.

Step 1: Launch the Phone app on your iPhone.

Step 2: Navigate to the Recents tab and tap on Edit at the top.

Edit Call Log i Phone

Step 3: Tap on Clear in the top left corner and select Clear All Recents when prompted.

Clear Call Log i Phone
Clear Call Log on i Phone

Restart your iPhone and try to make a call to see if the error is resolved now.

3. TOGGLE AIRPLANE MODE

If the error is caused by a network problem, you can resolve it by switching to Airplane mode on your iPhone. This will require your iPhone to re-establish its network connection, which may resolve the issue.

To access the control centre, swipe down from the top right corner. To activate it, tap the Airplane icon. Wait a minute or two before turning it off.

Airplane Mode i Phone

4. REMOVE AND REINSERT SIM

If the problem persists, try removing the physical SIM card from your iPhone and re-inserting it. Turn off your iPhone first, then remove the SIM tray with the SIM-ejector tool. After removing your SIM card, wipe it using a microfiber cloth and re-insert it.

Reinsert SIM i Phone

Power on your iPhone and try placing a call again.

5. UPDATE CARRIER SETTINGS

Network carriers’ settings are also updated on a regular basis. These updates should ideally be installed automatically in the background. If, for some reason, the update does not go through, you can manually install the pending updates by following the procedures below.

Step 1: Launch the Settings app on your iPhone. Navigate to General and then tap on About.

General Settings
About i Phone

Step 2: If there’re any pending updates, you’ll see a pop-up. Tap on Update to proceed.

Once updated, see if the error is resolved now.

6. RESET NETWORK SETTINGS

If upgrading carrier settings does not help, try resetting network settings on your iPhone. This restores all network settings to their default defaults and resolves any network-related difficulties. Here’s how to go about it.

Step 1: Open up Settings on your iPhone and navigate to General. Scroll down to tap on Transfer or Reset iPhone.

Transfer or Reset i Phone

Step 2: Tap on the Reset option at the bottom and choose Reset Network Settings from the resulting menu.

Reset i Phone
Reset Network Settings i Phone

To confirm your identification, enter the lock screen password. After that, press the Reset Network Settings confirmation box to start the restoration procedure.

7. UPDATE YOUR IPHONE

Finally, you can check your iPhone for any pending software updates. If a flaw in iOS is causing the Last line error, updating your iPhone to the latest version should help. Continue reading to find out how.

Step 1: Open the Settings app on your iPhone and navigate to General.

Step 2: Next, tap on Software Update and check for newer updates.

Software Update i Phone
Software Update

Download and install any pending iPhone updates.

It’s most likely a momentary malfunction in which your iPhone is unable to recognise your SIM card. So you may take it out and thoroughly clean it with ISO Propyl alcohol and a microfiber towel. Make sure the SIM card is clean and free of dirt or debris.

THE BOTTOM LINE

While such issues may prevent you from using your preferred SIM and require you to use alternative means, they are easily remedied utilising the remedies listed above. Let us know which one worked best for you in the comments section below.

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