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You are here: Home / Not working? / How to Fix the ‘No Sim Card’ Error on iPhoneSE 3 (2022)

How to Fix the ‘No Sim Card’ Error on iPhoneSE 3 (2022)

Last Updated: November 1, 2022 by Kevin Shaw

Several users have reported that their iPhone SE 3 is not recognizing- SIM card. Users are instead receiving an error message stating “No SIM Card installed” or “Invalid SIM”. In this article, I’ll show you how to fix your iPhoneSE 2022 “No SIM” error for good.

Apple iPhone SE 3 2022

If your iPhone SE 2022 is displaying a No SIM Card Installed error, then you can’t connect to your wireless carrier’s network. This means you can’t use your wireless data over 4G or 5G, and you can’t make or receive calls.

Besides your iPhone alerting you with an error message, you’ll know your iPhone SE 2022 is having a problem with its SIM card if the carrier name and signal bars/dots at the top of the screen are missing, or have been replaced by messages like No SIM or Searching.

Causes of iPhone SE 3 No SIM Error

There are a number of reasons for the iPhone SE 3 No SIM error. It could be that the iPhone SE 2022 doesn’t recognize its SIM card, which is used to connect to these networks. This problem can also be caused by your SIM card becoming slightly dislodged or a problem with your phone’s software.

The “No SIM” error can be displayed in multiple ways, including:

  • No SIM
  • No SIM Card Installed
  • Invalid SIM
  • Insert SIM

Whatever the cause and the type of error, the solution is pretty easy: All you need to fix this is a paper clip and some software settings. Here’s what to do if your iPhone SE 2022 says “No SIM.”

Ways to Fix the iPhone SE 3 No SIM Error

If your iPhone SE 2022 is displaying the No SIM error, or you don’t have any cellular bars when you should, try these steps, in this order, to fix the problem.

1. Remove the iPhone SIM card and reset it

Since the No SIM problem is often caused by the SIM getting slightly dislodged, the first fix is to try to put it back in place and make sure it’s fully seated. After a few seconds (wait up to a minute), the No SIM Card Installed error should disappear and your regular bars and carrier name should re-appear at the top of the iPhone’s screen.

If it doesn’t, remove the SIM and check if the card or the slot is dirty. If they are, clean them. Blowing into the slot is probably OK, but a shot of compressed air is always best.

2. Restart iPhone

If your iPhone SE 2022 still doesn’t recognize the SIM, try the all-purpose fix for many iPhone problems: a restart. You’d be surprised how many issues are solved by restarting.

Hold the power button on your iPhone until “slide to power off” appears. Drag the slider from left to right to power off your iPhone. After your iPhone has shut down completely, hold down the power button until you see the Apple logo appear to power your iPhone back on.

3. Turn Airplane Mode On and Off

If you have tried the above steps and are still receiving the ‘No SIM Card Installed’ messages on your iPhone SE 3, you will want to turn Airplane Mode on and then off again. Doing this can reset the iPhone’s connection to cellular networks and may resolve the problem.

See also: iPhone SE 2022 Cellular Data Not Working? Here’s The Real Fix!

4. Update iOS

If an iOS update is available, you should install that too. Along with new features, these software updates contain bug fixes for known issues, including those that can cause the “No SIM” error. You’ll want to connect to a Wi-Fi network, or a computer, and have a decent amount of battery life before you do this. Install any available updates and see if that solves the problem. You can update iPhone software by going to Settings > General > Software Update.

See also: iPhone SE 2022 Wi-Fi Not Working? Here’s How To Fix It

5. Check for an iPhone Carrier settings update

Similar to Apple with iOS updates, your carrier might also release the occasional update to help improve cellular connectivity on your network. Slacking on these updates not only results in you missing out on the latest technology from your mobile provider, but it could also cause your SIM card to malfunction, even if it’s not damaged.

To manually see whether a carrier settings update is available, connect to WiFi then go to Settings > General > About, then select Update if prompted. Once updated, things should be up and running. If not, let’s take the next step in fixing the “no SIM” issue.

6. Make sure your phone account is valid

While it might seem obvious, it’s worth double-checking that your wireless carrier plan (such as with AT&T, Verizon, etc.) is still active. While you should have been given plenty of notice about this, sometimes people find they have an expired contract or you have outdated auto-payment information and haven’t been paying your cellular bill. In order for your phone to be able to connect to a phone company network, you need a valid, active account with a phone company. If your account has been suspended, canceled, or has some other problem, you may see the SIM error.

7. Test for a malfunctioning SIM card

If your iPhone SE 3 still says it has no SIM, your SIM card could have a hardware problem. One way to test this is by inserting a SIM card from another cell phone that you know works fine. However, if you’re less than excited about borrowing another person’s SIM card, you can also just go to your carrier’s retail store and ask them to test with another SIM card. The good news is that if the other SIM card works and you just need to replace your SIM card, you can actually do that right in your carrier store. This is a quick process, and is often easier than going to the Apple Store.

If the No SIM Card Installed warning disappears after inserting another SIM, then your iPhone SE 3 SIM is broken. You can get a new one from Apple or your phone company.

8. Reset Your Network Settings

If you’re still struggling with an invalid SIM card message, it could be due to a software error within your iPhone’s network settings. This includes WiFi, Bluetooth, cellular data, and any VPN you might have.

The easiest way to resolve this is by resetting your network settings. Keep in mind that this will erase any WiFi passwords you have saved, so be sure to write any important passwords down for your reference later.

Go to Settings > General > Transfer or Reset iPhone > Reset and tap Reset Network Settings on your iPhone. This restores the network configuration to the factory defaults, which can resolve software glitches in the invisible processes that are always running in the background and that are responsible for managing your iPhone’s connection to your cellular and other networks.

9. Factory Reset Your iPhone

If you’ve followed the previous steps and your iPhone SE 2022 is still struggling with SIM card issues, consider a factory reset as your last-ditch effort to fix it. Don’t forget to back up your iPhone to your nearest compatible computer or the iCloud, so you don’t have to redownload everything from scratch.

From there, to factory reset your iPhone, go to Settings > General > Transfer or Reset iPhone > Erase All Content and Settings. When prompted, enter your passcode to continue.

10. Contact Apple tech support

Hopefully the above steps solves your iPhone SE 2022 SIM card problem, but if not, the best thing you can do is contact your carrier’s customer care team, contact Apple support, or go into an Apple Store.

Fixed ‘No SIM Card Installed’ Message on iPhone SE 3

There are various reasons why your iPhone SE 2022 won’t read the SIM card. Some possible causes could be that you didn’t insert the SIM card correctly or your phone is experiencing a software glitch. Whatever the reason, the above tips will help you to understand, diagnose, and fix the “No SIM” warning on your iPhone SE 3. If you have any other questions, leave them in the comments section below!

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