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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.
- 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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What is a SIM Pin code?
3 days ago · Check the Plastic Card. The PUK code is commonly printed on plastic cards. This card often has multiple sections, each containing different information about your SIM card. 3. Look for the PUK Code. You should see printed information on the back of the plastic card, such as your SIM PIN and PUK codes.
1 Open the Settings app. 2 Tap Biometrics and security. 3 Tap Other security settings. 4 Tap Set up SIM card lock. 5 Tap Lock SIM card. 6 Enter your SIM card PIN, then tap OK. The default PIN number will depend on your network provider. You can also find your SIM card’s PIN number on the original packaging it came in.
Jan 27, 2024 · Below are three primary approaches to unlocking a SIM card without the need for a PUK code: Using IMEI Number to Unlock SIM Card: The International Mobile Equipment Identity (IMEI) number, a unique identifier for mobile devices, can be leveraged to unlock a SIM card.
May 9, 2024 · A PUK (personal unlocking key) code is a code that helps you unlock your mobile phone. If you type in the incorrect PIN three times, you might end up locking your phone. Don’t worry – the PUK code is all you need to unlock your phone. Your PUK is a unique sequence of 8 digits that you enter into your phone to unlock it.
If you have forgotten or don't know your SIM PIN. 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.
Instantly unlock your phone to use any sim from any network. 5* rated. 1m devices unlocked. Unlock your phone for any sim card without affecting your warranty.
