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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...
Lock your SIM card with a PIN (personal identification number) so an identification code is required to make phone calls and use mobile data. To protect your SIM card or eSIM from others using it for phone calls or mobile data, you can use a SIM PIN.
Jan 31, 2019 · You only have three attempts to unlock your SIM card via PIN. If you input the wrong SIM PIN three times, your SIM card will be locked — cutting off access to voice and data. Stop inputting anything if you can’t remember your SIM PIN after a few tries. If you happen to fail 10 further input attempts, your SIM Card will be locked permanently.
- 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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Mar 14, 2024 · Ask your carrier to help you unlock your SIM card or eSIM using the default SIM PIN or PUK code. If you can't unlock your SIM card or eSIM using the SIM PIN or PUK code or if an alert says, "PUK exhausted," ask for a new SIM card or eSIM.
Jul 30, 2020 · If you insert the wrong PIN code three times, your SIM card is locked, and you need its PUK code to unlock it. The PUK code is unique to each SIM card, and entering it incorrectly too many times (usually ten) can get your SIM disabled, so it's important to use the correct one.
People also ask
Can I lock my SIM card if I enter a PIN code?
How do I unlock my SIM card?
What is a SIM Pin code?
Do I need a PUK code to unlock my SIM card?
In the settings menu, select Phone. Select SIM PIN. Press the switch to activate your SIM PIN. Finally, enter your chosen PIN. Your SIM will now be locked. Please note: the default PIN on all Vodafone SIM cards is 0000. 356 found this useful. Locking your SIM means a PIN will be needed each time you restart or if it’s placed in another device.
