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- Restart your iPhone or iPad. Remove your SIM card, then reinsert it. Check for updated carrier settings in Settings > General > About. Check for problems with your mobile account. Try your SIM card in another device, and another SIM card in your device. Perform a network reset and/or a factory reset.
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People also ask
Why does my iPhone say 'invalid SIM' After resetting network settings?
How to fix no SIM or invalid SIM error on iPhone?
Why is My sim card not working on my iPhone?
Why does my iPhone have a SIM Failure error?
What if my SIM card is invalid?
Why is my iPhone not working?
Sep 16, 2024 · Check for a carrier settings update. Go to Settings > General > About. If an update is available, you'll see a prompt to select OK or Update. If your device has an eSIM, contact your carrier. If your device has a physical SIM card, remove your iPhone SIM card or iPad SIM card from the SIM card tray and then put the SIM card back.
Nov 12, 2021 · If it still says Invalid SIM on your iPhone after you’ve reset the network settings, it’s time to contact your wireless carrier or visit your local Apple Store. With SIM card issues, we recommend going to your wireless carrier first.
Aug 22, 2024 · The “Invalid SIM” or “No SIM” error mostly results from SIM card issues, a software glitch, some hardware failure, or network problems. Thankfully, it’s easy to fix it by restarting your iPhone, updating iOS and carrier settings, ensuring the SIM card is properly placed in its try, or trying a new SIM card or eSIM.
- Editor
If you receive an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure you have an active plan with your wireless network provider. If your iPhone is locked to a network provider, it can only be used with that network provider.
- Gaurav Bidasaria
- Insert SIM in Another iPhone. A good way to crosscheck if the SIM failure error is showing due to SIM or some iPhone setting is to insert the SIM card in another iPhone.
- Check if Carrier Plan Has Expired. Check your mobile carrier’s app or web page with your subscription account to check if your plan is still valid. You can call your carrier to ensure your plan has not expired.
- SIM/eSIM Is Locked. For security, every SIM card has a specific PIN (Personal Identification Number) to lock it. This is done to avoid unauthorized access to your SIM and using to make calls and send messages.
- Is iPhone Locked to a Carrier. You can buy iPhones directly from the carrier along with a mobile service plan. That means your iPhone can only be used with that particular mobile carrier’s SIM card or eSIM.
Nov 30, 2021 · If you're encountering an error that says "no SIM" or "Invalid SIM", follow the troubleshooting steps below to test and resolve the issue. In many cases, you will be able to fix your SIM card issue with one of the simple resets below.
Sep 28, 2024 · Restart your iPhone or iPad. Remove your SIM card, then reinsert it. Check for updated carrier settings in Settings > General > About. Check for problems with your mobile account. Try your SIM card in another device, and another SIM card in your device. Perform a network reset and/or a factory reset.