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      • If your device has a physical SIM card and you’ve completed the previous step, try using another SIM card. If you don't have one, go to your network provider's retail store and ask them to test with another SIM card. You may need to replace your SIM card. If you still see an alert about your SIM card, you might need service.
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  2. Nov 30, 2023 · Check for a Carrier Settings update. ... Take out the SIM card. ... Reset your Network Settings. ... Update your iPhone or iPad. ... Contact your carrier. ... Get more help. If you see No Service or Searching on your iPhone or iPad ... Remove your SIM card from the SIM card tray and then put the SIM card back. ...

    • Overview
    • Contact Apple Support

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

    1.Make sure you have an active plan with your wireless network provider.

    2.Restart your iPhone or iPad.

    3.Check for a network provider 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 network provider.

    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 the SIM tray closes completely and isn't loose. If you use a SIM tray from a different model of iPhone or iPad, or from another phone manufacturer, it may not fit correctly.

    Need more help? Save time by starting your support request online and we'll connect you to an expert.

    Get started

    • Tech Writer
    • Idownloadblog
    • Enable and disable Airplane mode. First, go to iPhone Settings or the Control Center and turn on Airplane mode. After waiting for about 15 seconds, please turn it off.
    • Turn on the SIM line. If you use two SIM cards and it shows No SIM, go to iPhone Settings > Cellular > tap a SIM and enable the switch for Turn On This Line.
    • Restart your iPhone. Often, the most frustrating problems are fixed by a simple restart. If you’re getting SIM card errors on your iPhone, turn it off and after waiting for a minute, turn it back on.
    • Gently wipe and reinsert the SIM card. Sometimes after restarting my four-year-old iPhone, I would get the SIM Not Valid or No SIM Card message even though a functioning card is inserted.
  3. 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.

  4. Oct 10, 2021 · Step 1 Eject the SIM card tray. Insert a SIM card eject tool or a paperclip into the small hole in the SIM card tray, located near the bottom left corner of the iPhone. Press firmly to eject the tray. Step 2 Remove the SIM card tray. Remove the SIM card tray from the iPhone. If the tray holds a SIM card it will fall out easily.

  5. Oct 9, 2020 · Remove and Reinsert Your iPhone's SIM Card. The central point of connection between your iPhone and Cellular data is your SIM card. Sometimes, removing and immediately replacing your SIM card back into its slot can resolve any Cellular interference your iPhone's experiencing.

  6. 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.

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