how to fix “Invalid SIM” or “No SIM Card installed” on iPhone 14 Pro

By Moses Johnson - Editor
6 Min Read

If you are experiencing the "No SIM Card Installed” or “Invalid SIM” error on your iPhone 14 Pro, it can be quite frustrating. This error message can occur due to a variety of reasons, ranging from a software glitch to a hardware problem. In this article, I’ll explain why your iPhone 14 Pro says “Invalid SIM” or “No SIM Card installed” and provide you with the troubleshooting steps to fix the problem.

Note: information in this article apply to iPhone 14, iPhone 14 Plus, iPhone 14 Pro and iPhone 14 Pro Max models with physical SIM Card.

iPhone 14 Pro and iPhone 14 Pro Max are shown in space black.

Before we dive into the solutions, it is important to understand what this error means. The “No SIM Card Installed” or “Invalid SIM” error message typically appears on your iPhone’s screen when it is unable to detect a SIM card. A SIM card is a small chip that stores your phone number and other information required to connect to your carrier’s network. Without a SIM card, your iPhone cannot make or receive calls, send or receive messages, or use cellular data.

There is a very important factor to keep in mind, though. The US models of the iPhone 14, iPhone 14 Plus, iPhone 14 Pro, and iPhone 14 Pro Max, do not have a physical SIM card. Models sold in other countries all come with a physical SIM card, as well as two eSIMs.

Now, let’s look at some of the reasons why you might be seeing this error message on your iPhone 14 Pro.

Why Does iPhone 14 Pro Say Invalid SIM or No SIM Card installed?

Software Glitches

One of the most common reasons for the “No SIM Card Installed” or “Invalid SIM” error on iPhone 14 Pro is a software glitch. This can occur when there is an issue with the iOS operating system or a problem with the carrier’s network.

SIM Card Issues

Another common cause of the “No SIM Card Installed” or “Invalid SIM” error on iPhone 14 Pro is a problem with the SIM card itself. This can occur when the SIM card is damaged, dirty, or not inserted properly.

Carrier Issues

Sometimes, the “No SIM Card Installed” or “Invalid SIM” error message can display on your iPhone 14 Pro due to an issue with your carrier’s network. This can occur when there is a problem with your account, the carrier’s towers, or the coverage in your area.

Hardware Issues

In rare cases, the “No SIM Card Installed” or “Invalid SIM” error message can be due to a hardware problem with your iPhone 14 Pro. This can occur when there is damage to the SIM card slot or the SIM card reader.

how to fix the Invalid SIM or No SIM Card installed error on iPhone 14 Pro

1. Restart your iPhone

Restarting your iPhone is the first solution to try when you encounter the “No SIM Card Installed” or “Invalid SIM” error. Performing a simple restart can help clear any software bugs or glitches that may be causing the issue. Restarting the iPhone 14 Pro is a quick and easy solution to try, and it doesn’t require any technical knowledge.

To restart your iPhone, press and hold the Side button and either of the volume buttons until the “Slide to Power Off” slider appears. Drag the slider to the right to turn off your iPhone. Wait for a few seconds and then press and hold the Side button again until the Apple logo appears.

2. Eject and Reinsert SIM Card

Ejecting and reinserting the SIM card is another effective solution to try when you encounter the “No SIM Card Installed” or “Invalid SIM” error on your iPhone 14 Pro. Sometimes, the SIM card may not be inserted properly, or there may be dirt or debris on the SIM card or in the SIM card slot. By ejecting and reinserting the SIM card, you can ensure that it is properly seated in the slot and that there is no dirt or debris causing the issue.

To remove the SIM card, use a SIM eject tool or a paperclip to push the SIM card tray’s eject button. Once the tray pops out, carefully remove the SIM card and inspect it for any damage or dirt. Clean the SIM card with a soft cloth or tissue paper.

To clean the SIM card slot, use a small brush or a cotton swab. Make sure to be gentle and avoid damaging the SIM card slot.

Once everything is clean, reinsert the SIM card into the tray. Make sure that the SIM card is properly aligned with the tray and that the tray is securely closed.

3. Check for carrier updates:

Sometimes, a carrier update is all what you need to fix “No SIM card installed” or “Invalid SIM” error on your iPhone 14 Pro. Carrier updates can provide bug fixes, security patches, and other improvements that can resolve SIM card issues on your iPhone. Carrier updates are released by your carrier and are specific to your network provider.

To check for carrier updates, connect your iPhone to a Wi-Fi network and go to Settings > General > About. If an update is available, you will be prompted to install it.

4. Update iOS

Updating the iOS software is an important solution to try when you encounter the “No SIM Card Installed” or “Invalid SIM” error on your iPhone 14 Pro. This is because outdated iOS software can cause software bugs or glitches that may be causing the issue. By updating your iOS software, you can ensure that your iPhone 14 Pro has the latest bug fixes and improvements that can help fix the issue.

To check if there’s a software update available, go to Settings > General > Software Update. If an update is available, tap “Download and Install.” Keep in mind that updating your iOS software may take some time, so make sure your iPhone is connected to a Wi-Fi network and has sufficient battery life.

5. Reset network settings

Resetting network settings can help resolve issues related to network connections, including SIM card issues.

Please note: This step will erase all your Wi-Fi passwords, VPN settings, and cellular settings, so make sure to take note of them before resetting.

To reset your network settings, go to Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings.

6. Reset All Settings

If none of the above solutions work, you can try resetting all settings on your iPhone 14 Pro. Sometimes custom settings may be causing the issue, and resetting all settings, you can ensure that your iPhone is configured with the default settings that can help fix the issue.

Please note: this will erase all your custom settings, including your Wi-Fi passwords and wallpaper, but it won’t delete any of your data.

To reset all settings, go to Settings > General > Transfer or Reset iPhone > Reset > Reset All Settings. You will need to enter your passcode to confirm the reset.

7. Restore iPhone

Restoring your iPhone 14 Pro to its factory settings is a last resort solution to try when none of the above solutions work for you. This is because restoring your iPhone to its factory settings will erase all your data and settings, so it should only be done as a last resort. By restoring your iPhone to its factory settings, you can ensure that any software bugs or glitches that may be causing the issue are completely cleared, and your iPhone 14 Pro is returned to its default state.

Please note: This step will erase all your data and settings, so make sure to backup your iPhone before restoring.

To restore your iPhone, connect it to your computer and open iTunes or Finder. Select your iPhone from the list of devices and click “Restore iPhone.” Follow the on-screen instructions to complete the restore process.

8. Contact your carrier

If you have tried all the above solutions, and the issue still persists, then it’s time to contact your carrier. Your carrier can provide further assistance and troubleshoot the issue with your SIM card. They may need to reset your account, provide you with a new SIM card, or troubleshoot other network-related issues that may be affecting your iPhone 14 Pro.

9. Repair options for your iPhone

To fix this issue, you may need to take your iPhone to an Apple Store or an authorized service center for repairs.

Before you take your iPhone for repairs, you can try a few things to determine if the issue is indeed a hardware problem. For example, you can try using a different SIM card to see if the problem persists. If the error message disappears when you use a

In conclusion, the “No SIM Card Installed" or "Invalid SIM" error message can be frustrating, but there are several solutions you can try to fix it. From restarting your iPhone to restoring it to its factory settings, these solutions can help you get your iPhone back up and running. If none of the solutions work, it may be time to take your iPhone to an Apple Store or an authorized service center for repairs.

By Moses Johnson Editor
Moses Johnson is the Editorial Director of GeeksChalk.com, who has a keen eye for news, rumors, and all the unusual stuff around Apple products. Moses is commonly referred to online as The Professor, with decades of experience in tech under his belt.
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