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.
Your actual SIM also has a series of numbers printed on it. Your PUK code is the 8 digit number found on either the SIM or the additional SIM packaging. By default, your PIN code is the last 4 digits of your PUK code – but obviously if you've changed your PIN code yourself, this will no longer apply.
The PUK (Personal Unblocking Key) code is a code consisting of 8 digits. It is used to unblock your SIM card when you entered 3 times a wrong PIN code. A card blocked by the PUK code cannot be unblocked; it cannot be used any further and you have to replace it.
What is a PUK code? A PUK, or personal unblocking keys code, is a unique sequence of eight digits that you might be asked for when: You want to use another SIM card in your phone, or.
If a SIM PIN security code has been entered incorrectly multiple times, the SIM will lock and require you to enter a PUK code to use your device again. Be careful! If you incorrectly enter your PUK code 10 times, your SIM will need to be replaced. Moving your SIM to another device will not fix this error.
If you incorrectly enter your PUK code 10 times, your SIM will need to be replaced. If you get a prompt about a PUK code or your SIM is locked, Contact Us to request your PUK code. If you're prompted to enter the PUK code, enter it. You may need to attempt a phone call before you are prompted to enter the code.
What if I enter the wrong SIM PIN? 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. Please note that if you key in the wrong PUK code ten times in a row, your SIM will be blocked permanently and you will need to order a new SIM.
1. Before attempting to input your PUK code, ensure that you have the correct code provided by your Network provider. 2 . After ten unsuccessful attempts to input your PUK code, the SIM card will be permanently disabled.
Find your PUK on the SIM card pack
If you've still got the little pack that the SIM came in, check on the credit-card sized bit of plastic that the SIM snapped out from. The PUK Code is an eight digit number, and is usually printed on the back.
PUK code, sometimes called NUK (Network unlocking key), is a unique sequence of eight digits, usually provided by your network provider. It is usually required when you want to unlock your phone to use the SIM card from a different network provider.
If you cannot find it, give your mobile network a call, and customer support will be able to give you the PUK code or generate a new one after you have answered some security questions. The network provider is going to ask you to prove your identity.
If you entered 3 incorrect PIN codes and your phone displays “SIM card blocked” or “Enter PUK code”, your SIM card has been blocked to ensure your security. To unblock your SIM card, you must enter a PUK (PIN Unlock Key) code.
The PUK (Personal Unblocking Key) code is usually an eight-digit unique number assigned to a SIM card and is available as a security feature for all SIM cards. Most mobile phones have a PIN (personal identification number) designed to prevent unauthorized usage of your phone and keep SIM details safe.
Ask your carrier to help you unlock your SIM card using the default SIM PIN or PUK code. If you can't unlock your SIM card using the SIM PIN or PUK code or if an alert says, "PUK exhausted," ask for a new SIM card.
A SIM card is typically blocked due to security reasons such as incorrect PIN entries or if the SIM card has been reported lost or stolen. Once a SIM card is permanently blocked, it cannot be unblocked and you will need to purchase a new SIM card.
The SIM card lock has been on top budget Android phones for years, but many people are unaware of the feature. Once you enable SIM lock on your Android phone, you'll enter the same four-digit passcode after a device reboot or when you transfer the SIM to another phone.
A PUK code is a security feature on your sim card that, where you can choose to have your sim request a PIN code when your phone is switched on. If this code is entered incorrectly three times, your sim card will lock itself, and this can only be unlocked using your PUK code.
SIM Network Unlock Pin (NUP) is a code used to unlock an Android phone or iPhone from its original carrier so that it may be used on other carriers. This code is typically 8 or 16 digits long and is used to unlock a smartphone.
You'll need to phone us to get a PUK code to unlock your SIM. Call us on 333 from a Three phone or 0333 338 1001 (standard rates apply) from any other phone to request a PUK code. Note: Don't try to unlock your SIM without getting a PUK code from us. If you use the wrong one it'll block your SIM completely.
Each operator has a default passcode, usually 1111, 0000, or 1234.
The process can take up to two business days, but once it's done, you're free to take the phone to another wireless carrier.
Users who are conditioned to using a PIN to access their phone do not usually forget the PIN, but the PUK is usually unknown to the user, despite it being listed in the user's documentation. Users should keep in mind that a PIN or PUK cannot be changed if the user does not already know the old PIN and PUK.