How to Fix Last Line No Longer Available Error in iPhone [Steps]

What is ‘Last Line No Longer Available’ Error problem in iPhone?

In this post, we are going to discuss on How to fix Last Line No Longer Available Error in iPhone. You are provided with easy steps/methods to resolve the issue. Let’s starts the discussion.

‘Last Line No Longer Available’ error problem while making a phone call:

It is common IPhone problem usually occurred when you try to make a phone call on your IPhone with Dual SIM setup. This error is appeared with message saying ‘Last Line No Longer Available. Do you want to call using your remaining line?’ with ‘Call’ and ‘Cancel’ button on the error prompt. This issue indicates your device is unable to choose a line to make phone call that you have it do. This error is usually occurred due to eSIM or Dual-SIM function being activated.

When the Dual-SIM or eSIM is activated on your IPhone while having your main SIM card inserted, chances your device may get confused about which line to choose during phone call, and result in the error message is appeared. Before troubleshooting the issue, you can apply some basic troubleshooting tips like you can enable Airplane Mode in your IPhone and then after few seconds, disable Airplane mode, and then check if it works for you.

Also, you should make sure the SIM you are trying to call from has high-signal strength, so iPhone doesn’t select the network automatically. This issue can be occurred due to corrupted network settings, incorrect settings relating to SIM card network/setup, and outdated system software, and other issues. One possible way to fix the issue is to reset network settings in your phone, but there is also some other possible solutions to fix the issue as mentioned in the post. Let’s go for the solution.

How to fix Last Line No Longer Available Error in iPhone?

Method 1: Turn ON and OFF Airplane Mode

One possible way to fix the issue is to turn ON Airplane mode in your device and then turn it OFF.

Step 1: Scroll down from top-right corner to access the Control Center, and tap ‘Airplane mode’ icon to enable it

Step 2: After few seconds, tap the same Airplane Mode icon again to turn it OFF, and then check if the issue is resolved.

Method 2: Clear your recent call log

Another way to fix the issue is to clear your recent call log on phone.

Step 1: Locate ‘Phone’ app in your phone and go to Recent tab at bottom, and tap ‘Edit’ at top-right corner of screen

Step 2: Tap ‘Clear’ at top-left of screen and select ‘Clear All’ option to confirm the deletion. Once done, restart your phone and check if the issue is resolved.

Method 3: Force restart your phone

You can also try to fix the issue is performing force restart your iPhone. This step may different depending on your iPhone version:

  • On iPhone 8 or later: Press the volume up button. Then, quickly press the volume down button. After that, press and hold the power button until the Apple logo shows up on the screen.
  • On iPhone 7/ 7 Plus: Press and hold the power button and the volume down button simultaneously until the Apple logo shows up on the screen.
  • On iPhone 6s/ 6 Plus or earlier: Hold down the power button and the home button at once until the screen goes black and the Apple logo appears.

Method 4: Switch between SIMs

Another way to fix the issue is to switch between SIMs in your phone.

Step 1: Tap ‘i’ button next to contact you want to call and go to ‘Your default phone number > Alternate number’

Step 2: Tap ‘Primary phone number’ and choose ‘Alternate SIM’ when manually dialling a phone number, and check if it works.

Method 5: Update Carrier settings

Another way to fix the issue is to update Carrier settings in phone.

Step 1: Open ‘Settings’ app in your IPhone and go to ‘General > About’, and you may get alert asking you to update carrier settings

Step 2: Tap ‘Update’ on the prompt and confirm to update it. Once done, check if it works for you.

Method 6: Disable WiFi calling

If you are not aware, WIFi calling is feature helpful for users who often find themselves in areas with low cellular coverage but great WiFi reception. However, this feature can cause ‘Last Line No Longer Available’ error sometimes, so you can disable this feature to fix.

Step 1: Open ‘Settings’ app in your phone and click ‘Phone > WiFi Calling’

Step 2: Toggle OFF ‘WiFi Calling’ to disable the feature on your iPhone, and it is done.

Method 7: Disable Automatic Network Selection

Step 1: Open ‘Settings’ app and go to ‘Mobile Data > Network Selection’

Step 2: Disable ‘Automatic’ toggle on the opened page, and it is done, and then check if the issue is resolved.

Method 8: Remove and re-insert SIM

This issue can be occurred due to some issue with SIM card hardware and its connection. You can check and fix the issue by removing SIM card from SIM slot of IPhone, and check if SIM card hardware is working fine, and then re-insert SIM card properly into correct slot, and check if SIM card is detected in your phone, and then retry making phone call and check if the issue is resolved.

Method 9: Reset network settings

If the issue is still persist, you can try to fix the issue by resetting network settings in your phone.

Step 1: Open ‘Settings’ app in your phone and go to ‘General > Transfer or Reset iPhone > Reset > Reset Network Settings’

Step 2: Enter your device passcode if asked, and select ‘Reset Network settings’ option again in popup to confirm your selection. Once resetting finished, check if it works for you.

Method 10: Reset all settings on IPhone

Another way to fix the issue is to reset all settings of phone.

Step 1: Open Settings app in your device and go to ‘General > Transfer or Reset iPhone > Reset > Reset all settings’

Step 2: Enter your passcode and tap ‘Reset all settings’ again to finish.

Method 11: Update iOS

Updating iOS to latest version in your iPhone can resolve the issue.

Step 1: Open ‘Settings’ app in your device and go to ‘General > Software Update’

Step 2: Download and install the available iOS update in your phone and once updated, restart your phone and check if the issue is resolved.

Conclusion

I hope this post helped you on How to fix Last Line No Longer Available Error in iPhone with easy ways. You can read & follow our instructions to do so. That’s all. For any suggestions or queries, please write on comment box below.

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