7 Top Solutions to Fix iPhone 15 Pro Max No SIM Card Issue

In this article, you can find the answer of “will iPhone 15 Pro Max no SIM card”. After that, it will show you some troubleshooting steps to fix no SIM card iPhone 15/15 Pro/15 Pro Max.

Clara by Clara Updated May 28, 2024
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I have a strange problem with my iPhone 15 Pro Max. Ever since I got it, I often get the "No SIM card installed" notification even though the SIM card is in the phone. What shuold I do to fix it?

- Question from Apple Community

Why Does iPhone 15 Pro Max Says no SIM?

Numerous factors contribute to the ' iPhone 15 pro max no SIM card slot' dilemma. It could be an issue with the physical SIM card, a disruption in network settings, or even a software quirk. Understanding these root causes is pivotal for effective troubleshooting.

  1. ▶ Physical SIM Card Issues:

A misaligned or damaged SIM card can disrupt the communication between your iPhone 15 Pro Max and the carrier network. By checking and adjusting the physical placement of the SIM card, you ensure a secure connection, often resolving the 'No SIM Card' issue.

  1. ▶ Network Settings Disruption:

An interruption in the network settings can lead to communication breakdowns. Resetting these settings can eradicate inconsistencies, offering a clean slate for your iPhone to establish a stable connection with the carrier network.

  1. ▶ Software Quirks:

Occasionally, software glitches may cause the 'No SIM Card' error. Keeping your iOS updated ensures compatibility and patches any software-related hiccups, mitigating the risk of encountering SIM card issues.

In the below content, we delve into the intricacies of the problem "No SIM Card on iPhone 15 Pro Max", aiming to enlighten users and furnish them with practical solutions.

How to Fix iPhone 15 No SIM Card - 7 Solutions

In this part, we show you 7 methods to fix No SIM Card on iPhone 15. Reading and try these ways. If you already backed up your iPhone before, you can go to Solution 1 directly.

Preparation: Backup iPhone to Avoid Data Loss

Before diving into troubleshooting the 'No SIM Card' issue on your iPhone 15 Pro Max, it's crucial to safeguard your valuable data. FoneTool, your trusted companion, offers a seamless solution.

With FoneTool, you can effortlessly backup your iPhone to PC or other external drives, ensuring that your photos, contacts, messages, and more are securely stored. It has more features:

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Now, let's download FoneTool and follow the easy 3 steps to backup iPhone to PC quickly.

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Step 1. Use USB cable to connect your iPhone to a computer > Tap Trust on your iPhone.

Step 2. Go to Phone Backup > Choose to Full Backup > Click Get Started.

Full Backup

mailTip: If you want to transfer specific files, you can choose Selective Backup or go to Phone Transfer (Provides the fastest speed to transfer data from iPhone to Computer/iPad/iPhone, like transfer 100 photos in 3 seconds).

Step 3. Enable Backup encryption to backup private data on iPhone > Set a storage path to save the iPhone backup to external hard drive > And then tap Start Backup.

Start Backup

Solution 1. Check SIM Card and Tray

Inspecting the physical aspects is crucial. Any issues with the SIM card or tray can impede proper functioning. By ensuring correct placement and assessing for damages, you eliminate potential physical causes behind the 'No SIM Card' error.

Step 1. Power off your iPhone.

Step 2. Locate the SIM card tray (usually on the side of the device).

Step 3. Eject the SIM card tray using the provided tool or a paperclip.

Step 4. Ensure the SIM card is properly placed, without any damage or misalignment.

Step 5. Reinsert the SIM card tray securely.

Step 6. Power on your iPhone and check if the 'No SIM Card' error persists.

Eject SIM Tray

Solution 2. Check the Warranty

When your SIM card gets stuck in your iPhone, the first step is to check if your device is still under warranty. If it is, you can reach out to Apple’s technical support for advice or to arrange for the device to be serviced. Follow these steps to verify your iPhone’s warranty status:

Step 1. On the iPhone, open the Settings app > General About to locate the serial number of your iPhone.

iPhone Serial Number

Step 2. To check the warranty of your iPhone, go to checkcoverage.apple.com.

Step 3. Enter your iPhone's serial number and follow the prompts to check your warranty status.

Solution 3. Restart Your iPhone

A restart acts as a quick fix for many iPhone issues, including SIM card errors. It clears temporary glitches and reinitializes system processes, often resolving the connectivity problem without requiring more intricate steps.

Step 1. Press and hold the power button until the slider appears.

Step 2. Drag the slider to turn off your iPhone.

Step 3. Once off, press and hold the power button again until the Apple logo appears.

Step 4. Release the button and wait for your iPhone to restart.

Step 5. Check if the 'No SIM Card' issue is resolved.

Hard Reset iPhone

Solution 4. Update iOS on iPhone 15 Pro Max

Outdated iOS versions may have compatibility issues with carrier networks. Updating your iOS ensures that your device remains in sync with the latest network protocols, reducing the likelihood of encountering the 'No SIM Card' error.

Step 1. Go to "Settings" on your iPhone.

Step 2. Scroll down and select "General."

Step 3. Tap "Software Update."

iphone 15 esim not working

Step 4. If an update is available, select "Download and Install."

Step 5. Follow the on-screen instructions to complete the update.

Step 6. After updating, check if the SIM card error persists.

Solution 5. Reset Network Settings

This step is a comprehensive approach to troubleshoot connectivity issues. Resetting network settings erases potential inconsistencies, allowing your iPhone to reconfigure network parameters and establish a stable connection with the carrier.

Step 1. Open "Settings" and go to "General."

Step 2. Scroll down and select "Reset."

Step 3. Tap "Reset Network Settings."

Step 4. Enter your passcode if prompted.

 Step 5.  Confirm the reset by tapping "Reset Network Settings."

Step 6. Once done, reconnect to your Wi-Fi network and check for the SIM card issue.

iphone 15 esim not working

Solution 6. Open Airplane Mode ON and Off

Switching Airplane Mode off and then back on can reset your iPhone's cellular components and potentially resolve SIM card errors. This quick and easy method can be done in just a few seconds:

Step1. Open the Control Center on your iPhone by swiping down from the top-right corner (iPhone X and later) or swiping up from the bottom of the screen (iPhone 8 and earlier).

Step 2. Tap the Airplane Mode icon to turn it on. This will disable all wireless communication, including cellular, Wi-Fi, and Bluetooth.

Step 3. Wait a few seconds, then tap the Airplane Mode icon again to turn it off and re-enable your wireless connections.

Step 4. This simple step often resolves minor issues with the SIM card and network connectivity.

airplane mode not working on iPhone

Solution 7. Contact Carrier Support

When troubleshooting steps within your control prove ineffective, contacting your carrier's support becomes paramount. They can investigate and provide insights into potential network problems or account-related issues, ensuring a thorough resolution to the 'No SIM Card' dilemma.

SIM Card Compatibility

Using a compatible SIM card is paramount for a seamless iPhone 15 Pro Max experience. Incompatibility can lead to a range of issues, including the 'No SIM Card' error. Always ensure your carrier provides a SIM card compatible with your device.


In conclusion, grappling with the 'No SIM Card' issue on your iPhone 15 Pro Max is undoubtedly frustrating, but not insurmountable. By understanding the potential causes and employing systematic troubleshooting steps, users can often resolve the problem and restore their device to optimal functionality.

Always prioritize the use of a compatible SIM card to prevent recurrent issues. Remember, the journey to a hassle-free iPhone experience is a shared adventure, and with these insights, users are better equipped to navigate and overcome challenges.

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