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  1. The first is to reset the password from your device by tapping or clicking the "Forgot Password" button when prompted to sign into your BlackBerry ID. You will have to answer your security question and follow the on-screen instructions. The second option is to reset your password from a computer.

    • Shea Laverty
  2. Apr 13, 2024 · A SIM card reset can resolve issues such as network connectivity problems, error messages, or even a SIM card that is not being recognized by your device. By resetting the SIM card, you essentially restore it to its default settings, allowing it to function properly again.

    • Overview
    • What's my SIM PIN?
    • My SIM is locked, so what do I do?
    • What if I can't get my PUK or it doesn't work?

    1 What's my SIM PIN?

    2 My SIM is locked, so what do I do?

    3 What if I can't get my PUK or it doesn't work?

    Protecting your SIM card with a PIN can prevent unauthorized use of your cellular plan, but if you enter your SIM PIN incorrectly three times, you'll need an 8-digit PUK (Personal Unlocking Key) to unlock it. This wikiHow article will teach you how to get your PUK code from your mobile provider and unlock your SIM card.

    Your SIM PIN protects your SIM card from unauthorized use of your mobile service.

    If you've protected your SIM card with a PIN, your phone will ask for the SIM PIN each time you restart it or remove and reinsert the SIM.

    If you haven't changed the PIN, most SIM pins are 0123 or 1234 by default.

    But don't try to guess the SIM PIN if you don't know what it is—if you mis-enter it 3 times, you'll only be able to unlock the SIM if you use a PUK code from the provider.

    SIM PINs are different from the PIN you use to unlock your phone's screen, and most phones do not have SIM PINs by default.

    If you see a message on your phone that says "Locked SIM" or similar, you'll need to enter the SIM PIN to do anything on the phone.

    The only thing that will unlock your SIM is the PUK key.

    Don't try to guess the PUK, as entering it incorrectly too many times will permanently lock the SIM—if this happens, you'll have to replace the SIM entirely.

    Fortunately, your mobile provider will provide you the PUK so you can reset your SIM. You'll just have to prove your identity over the phone or at an in-person location.

    If you're not sure who your provider is,

    card—you'll see the provider's name there.

    Some providers let you see your PUK when you log in to your online account. Look for an area of your account dashboard called something like "SIM" or "SIM Card," which should have a sub-area called "PUK" or similar.

    Get a new SIM from your provider.

    The worst thing that can happen is that you lose access to your SIM card completely—as long as you have a removable SIM, your mobile provider should be able to issue you a new one. If you stored any contacts or texts on your old SIM, they'll be gone, but storing things on SIM cards is rarer these days.

    This article was co-authored by wikiHow staff writer,

    Nicole Levine is a Technology Writer and Editor for wikiHow. She has more than 20 years of experience creating technical documentation and leading support teams at major web hosting and software companies. Nicole also holds an MFA in Creative Writing from Portland State University and teaches composition, fiction-writing, and zine-making at various institutions. This article has been viewed 81,535 times.

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  3. Jan 27, 2024 · 3K. 650K views 3 months ago. If you're unable to unlock your iPhone, even after troubleshooting, here's how to erase your device and restore it to factory settings. ...more.

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    • Apple Support
    • Gather Necessary Information. Before embarking on the process of resetting your SIM card, it's essential to gather relevant information about your mobile device and network provider.
    • Contact Your Carrier. When encountering persistent connectivity issues or considering a SIM card reset, reaching out to your mobile network carrier is a crucial step in the troubleshooting process.
    • Power Off Your Device. The next crucial step in the process of resetting your SIM card involves powering off your mobile device. This seemingly simple action plays a significant role in preparing your device for the subsequent steps of the reset process.
    • Remove SIM Card. With your device powered off, the next pivotal step in the SIM card reset process is to carefully remove the SIM card from its slot.
  4. Jan 27, 2024 · Introduction. When it comes to troubleshooting issues with your iPhone, the SIM card can often be a culprit. Whether you're experiencing connectivity problems, network issues, or a persistent "No SIM Card Installed" error, resetting your iPhone's SIM card can be a simple yet effective solution.

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  6. Jan 12, 2022 · If your iPhone is locked and you've forgotten the passcode, you can unlock and reset it without a computer. Here's how.