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Apr 5, 2024 · You'll need to get what's called a PUK code (personal unlocking key), which the carrier provides, as well as instructions about entering it; some carriers have you enter a PUK code through...
- 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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Ask your network provider 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.
Feb 13, 2024 · Enter your current SIM card PIN and tap OK. Select Change SIM card PIN and enter a new passcode to protect your SIM.
Mar 28, 2024 · 1. Enter your SIM unlock code. If you locked your SIM card, you will be prompted to enter the password when you insert that SIM into a new phone. If you know the password, enter it to unlock your SIM. If not, you can unlock the SIM with a PUK (pin unlock key) that comes from your mobile provider.
- 2. Get the PUK for your SIM. This code comes from your mobile provider, so you'll need to contact them directly. Your provider may ask for the numb...
- 3. Enter the PUK when prompted. The PUK is typically 8-digits long. Be careful when entering this code—if you are unable to enter the correct PUK a...
- 4. Create a new PIN. Even if you want to disable the PIN, you'll need to create a new one before you can disable SIM locking. This time, write down...
- 5. Disable SIM locking (optional). If you don't want to use a SIM PIN in the future, here's how you can disable SIM lock: iPhone: In the Settings a...
May 6, 2021 · Entering the PIN incorrectly three times blocks your SIM card until you use a PUK (or PUC - personal unblocking code, provided by your mobile operator) to unlock the SIM card. How to access the SIM card lock settings on your Android smartphone or tablet
People also ask
How do I unlock my SIM card if I enter a pin incorrectly?
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Do I need a PUK code to unlock my SIM card?
Can I lock my SIM card if I enter a PIN code?
Jul 30, 2020 · tutorial. Diana Ann Roe. 30.07.2020. The PUK code or Personal Unlocking Key is a security feature of all the modern SIM cards used in our smartphones, tablets, and other mobile devices. If you insert the wrong PIN code three times, your SIM card is locked, and you need its PUK code to unlock it.
