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  1. I give you several easy possible solutions to fix an iPhone 12, 12 Pro, 12 Pro Max and 12 Mini that has sim card or network issues such as Invalid sim, const...

    • 7 min
    • 208.6K
    • WorldofTech
  2. Aug 16, 2022 · iPhone Unlock SIM Card | How to Unlock SIM Card on iPhone and REMOVE PIN! Do you own the iPhone and want to Unlock SIM Card and REMOVE PIN? If so, this video...

    • 2 min
    • 124.8K
    • Mr Saunders
  3. You can now gain 3 viable solutions to unlock SIM on an iPhone from this video. Follow the steps to solve the locked SIM card without any difficulty.Full gui...

    • 3 min
    • 15.6K
    • Coolmuster
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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.

    Search the Community

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

    Get started

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    • Unlocking Your SIM Card: Open your iPhone's Settings. This is the grey gear icon on the Home Screen. Scroll down and tap "Phone". It's about a third of the way down the Settings page.
    • Getting an Unlock Code from Your Carrier: Call you carrier's customer support line. Before using one of the numbers listed below, try calling "*611" or "611" --on most phones, this is the default customer support line.
  4. To check if your iPhone is unlocked, go to Settings > General > About. If your iPhone is unlocked, "No SIM restrictions" will appear next to Network Provider Lock (or Carrier Lock). Find out how to unlock iPhone for use with a different network provider. Restart your iPhone or iPad. Check for a network provider settings update.

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  6. Apr 19, 2024 · Here’s a guide on how to use the PUK code to unlock your Android's SIM card. Following the input of your iPhone’s new SIM PIN code, confirm it and tap OK. Wait for a couple of moments for your iPhone to establish a connection with your mobile network. Once the mobile network icon is displayed in the top-right corner of the screen, the ...