How to Fix ‘Sim Card Not Working problem’ on iPhone 13

Fix ‘Sim Card Not Working problem’ on iPhone 13

A few days back, Apple launched its iPhone 13 series in Fanfare event. The iPhone 13 series is now available at your nearest store and online store. After releasing iPhone 13, many users face a problem with its Invalid SIM card and Camera issue. That’s why you cannot enjoy your new iPhone 13. Today, this article will help you and guide you on “How to Fix Sim Card Not Working problem on iPhone 13”. Make sure it will be beneficial for you. 

 Why is the SIM card not working on iPhone 13?

SIM card problems have always been common on iPhones, and iPhone 13 is no exception. ‘No SIM’ or ‘Invalid SIM’ error messages are more frequent than you might think. The solutions are From poor seating and e-SIM/physical SIM interferences to uncompleted software updates and activation errors. There are many reasons behind SIM card issues on iPhone 13. In the section below, we will briefly check out the issues and discuss the solutions in detail. 

Easy methods to fix SIM card issues on iPhone 13

How to Fix ‘Sim Card Not Working problem’ on iPhone 13

Method #1. Check for activation error

As we already mentioned, iPhone 13 has too much demand in the United States. With so many devices activation and going live at once, your network service provider had difficulty activating them on time. That’s why it can lead to activation errors, which will be automatically resolved after a few hours. Since it’s a carrier-dependent issue, you cannot do much better to fix them by yourself. 

If your iPhone 13 doesn’t activate automatically, then contact your network service provider. They can tell you what the problem is, and hopefully, they will give you the right solution. 

Method #2. Check carrier settings update

How to Fix 'Sim Card Not Working problem' on iPhone 13

When the new phone is released, service providers will roll out updates to their network settings. You can run into an ‘Invalid SIM card’ or ‘No SIM’ error message when that mismatch happens. Ensure that there will be pending updates for your device, all you need to do is open Settings, tap on ‘General,’ and open ‘About.’ Updates, if available, will be installed right away. 

Method #3. Last Line No Longer Available iPhone 13

The Error ‘Last Line No Longer Available’ seems to pop up when a user makes a call on their iPhone 13 while activating it for the first time. Based on recent instances, this issue appears to be a bug somehow related to the e-SIM functionality on some newer iPhones. E-SIM is a digital SIM that allows the dual-SIM option on the latest iPhone models like iPhone 13 series, iPhone12 series, iPhone 11 series, iPhone XR, iPhone XS, and iPhone XS Max.

Also, Read

How to Fix Brand New iPhone 13 Camera Not Working problem

Users were facing the Error report ‘Last Line No Longer Available’ that they are alerted about the error as soon as they are about to make a call from their default line through the recent Phone logs. The default line is your preferred SIM to make calls and send messages to people you haven’t saved as contacts.

Method #4. Reset network settings

If toggling Airplane Mode and restarting your device doesn’t work out, then you can strongly consider resetting your network settings. First, tap and open the Settings app and then tap on ‘General.’ Now, click on ‘Reset’ and tap on the ‘Reset network settings.’ And last, confirm your action and restart the device. 

Method #5. Re-insert your SIM card

A wrongly-seated SIM card can make life impossibly difficult. They cause dropped calls, no coverage, and activation errors. So, checking SIM Card is properly inserted into the device is a good idea.

First, you have to remove your SIM card using the SIM ejector tool, take out the SIM card, wipe the SIM card with a dry, cotton cloth, and re-insert. Re-insert your SIM card and see if it has fixed the issue. 

Method #6. Turn Airplane Mode on and off

Ideally, it should use the Airplane Mode on a plane, but it seems to work wonders regarding connectivity issues. Just pull down the quick access panel from the upper right corner of your screen and then tap on the Airplane button. It will turn on Airplane mode and cut off all networking connections, including cellular and Wi-Fi.

Then, pull down the quick access panel again and turn it off the Airplane mode. Hers is, your cellular connection will be reset and help you fix minor SIM-related issues. 

Method #7. Restart your iPhone

Simple and easy to use when you are in doubt over a SIM card issue. It’s the best option to give your phone a quick restart. Press down either of the two-volume keys and the Side key together to restart your iPhone. Now ‘Slide to turn off’ button would appear at the top of the screen. Drag the button to the right to turn off your device. 

After the phone is turned off, press and hold the Side key button to turn it back on again. 

Method #8. Check if you have network coverage

The antenna bands on the iPhone 13 can keep a steady connection even in the most challenging areas. Apart, being in an area with low network coverage is likely to keep you from using your card for general texting and calling. It can keep your iPhone 13 from being activated. 

Also Read

How to Fix iPhone 13 Touch Screen issues after updating iOS 15

Check the cellular network tower bands at the upper-left corner of your screen to check your coverage. If you find a flickering in-network bar, move to the other area with better cellular network coverage and try again.

Method #9. Look for an iOS update

Some issues you have to do with iOS updates. Particularly, these issues will be Fix with software updates. That’s why you should keep your device up to date. To check for the latest update, open Settings and then click on ‘General.’ Next, click on the ‘Software update’ to look for an update and hit ‘Download & install’ if an iOS update is available. 

Method #10. Check for SIM card malfunction

If you are running an old SIM card, you need to check it with another device. Old SIM cards can be notorious for throwing unexplained errors. That’s why it is essential to check whether it is your SIM card at fault. It would be best to clean your SIM card tray for debris while you are at it. 

Method #11. Factory reset iPhone

We are not recommending Factory reset because it can erase all your data from the device. But it may fix unexplained bugs most of the time. To reset all settings, go to Settings and then click on ‘General.’ then, go to ‘Reset’ and tap on the ‘Reset all’ option. Lastly, confirm your action to allow Apple to start Factory reset in your iPhone. 

Method #12. Check for eSIM/Physical SIM interferences

In case you see the error “Last Line No Longer Available” on your dual-SIM iPhone 13. So there is a chance you are facing a conflict between physical SIM and eSIM. When it happens, your network drops, and you can’t make any calls with that number. It’s a rather complicated issue in itself with its own set of solutions.

Method #13. Contact Apple support

Is nothing helpful with any of the solutions mentioned above? You can get in touch with Apple support and get to the bottom of it. Connect with Apple support, and hopefully, they will fix your SIM card-related issue.

Note: If you find any wrong information in specs and price, kindly inform us in the comment box.

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