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  1. Oct 30, 2023 · I have tried below on my phone: 1- have an active plan. 2-Updated to latest version of iOS. 3-Restart iPhone many times. 4-went on: Settings > General > selected manually the service provider. 5-Remove SIM card and back many times. 6-put different SIM card in, dont read it as well.

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    If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps.

    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 your device has an eSIM, contact your carrier.

    5.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. Make sure that the SIM tray closes completely and isn’t loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly.

    Find what’s been asked and answered by Apple customers.

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  2. 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. To check if your iPhone is unlocked, go to Settings > General > About.

  3. Feb 17, 2024 · No SIM Card Detected: One of the most prevalent SIM card issues on the iPhone 11 is the "No SIM Card Installed" or "Invalid SIM" error message. This can occur due to a variety of reasons, including a faulty SIM card, improper installation, or software glitches.

  4. 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.

  5. Aug 1, 2022 · Learn what to do if your iPhone or cellular iPad isn’t recognizing the SIM card and shows “No SIM,” “SIM Not Valid,” or other SIM-related errors. You can’t make regular calls, use mobile data, or send and receive non-satellite texts if there are SIM-related errors on your iPhone.

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  7. Nov 12, 2021 · An iPhone usually says a SIM is not supported because your iPhone is locked to your carrier. This means you can’t insert a SIM card from a different carrier if you switch. To check if your iPhone is locked, open Settings and tap General -> About -> Carrier Lock .

  1. Unlock your phone to use with any sim card on any network. All manufacturers supported. Instantly get a phone unlock code to unlock your phone for any network. Remote service.