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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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Sep 16, 2024 · If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad. If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure that you have an active plan with your wireless carrier. If your iPhone is locked to a carrier, it can be used only by that carrier.
Sep 6, 2022 · 1. Make sure that you have an active plan with your wireless carrier. 2. Restart your iPhone or iPad. 3. 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. 4.
If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly. If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad ... Learn what to do if you see a SIM not supported alert .
Dec 1, 2021 · If you see 'invalid SIM' or 'no SIM' on your iPhone. If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps: Make sure that you have an active plan with your wireless carrier. Restart your iPhone or iPad. Check for a carrier settings update. Go to Settings > General > About.
- 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.
Reinsert the tray and retest. Try the SIM from a friend or family member with the same cellular carrier. If it works, replace your SIM card. You can request one from your service provider, or visit one of their physical locations. As a workaround, use your phone’s eSIM instead.
Apr 4, 2021 · What to Do If Your iPhone Suddenly Displays 'SIM Failure,' 'No SIM Card Installed,' or 'Invalid SIM'? This guide provides in-depth instructions on how to resolve it.
