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- Once you've found it, you can enable the card lock and manually lock your SIM card at any time. Entering an invalid PIN code more than three times during setup or while unlocking your SIM card will lock you out of using the mobile network with that card once it's set up. If this happens, you'll need to contact your carrier.
www.androidcentral.com/what-sim-pin-code-and-how-unlock-sim-card-pinWhat is a SIM PIN code and can you unlock a SIM card with a PIN?
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Can I lock my SIM card if I enter a PIN code?
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Apr 5, 2024 · Best answer: A SIM PIN code is a (usually) four-digit number used to unlock a physical SIM card. Your carrier supplies the code, and some carriers allow you to change it. You'll need to...
- 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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Never try to guess a SIM PIN or PUK code. * The wrong guess can lock your SIM card or eSIM permanently, and then you would need a new SIM card or eSIM. If your device asks for a PIN or code that you don't know, here's what to do: Contact the network provider that gave you the SIM card or eSIM.
May 9, 2024 · Your PUK code is the 8-digit code on the back of the piece of plastic that your SIM card came in. If you’ve thrown the packaging away, you can contact your network provider and ask for your PUK code. Can you get PUK code without calling customer service? The process of getting a PUK code differs between network providers.
If you enter an incorrect SIM PIN three times in row, your SIM will be blocked. To unblock you SIM, you’ll need to key in your PUK code.
Feb 13, 2024 · Enter your old PIN, then enter your new PIN, and tap OK. Be careful while entering your old PIN. Entering the wrong PIN three times blocks your SIM and requires you to get a new...
Mar 14, 2024 · If you forgot or don't know your SIM PIN. Never try to guess a SIM PIN or PUK code. * The wrong guess can permanently lock your SIM card or eSIM, and then you would need a new SIM card or eSIM. If your device asks for a PIN or code that you don't know, here's what to do:
