Your PUK (Personal Unlocking Key) is an 8-digit code unique to your SIM card.
A PUK is required when you want to unlock a phone. You'll need one in the event that your handset is locked by your current network and you want to use a SIM card from another network. You'll also need to get a PUK code in the event that you mistakenly enter the wrong PIN code and you are automatically locked out.
PUK Code is an eight-digit code used to unlock your SIM card. The SIM card usually gets locked on entering the code three consecutive times.
What Should I Do if My Sim Is Permanently Blocked? If your SIM card is permanently blocked as a result of entering the wrong PUK repeatedly ten times, the only way out is to contact your service provider. Perhaps, they'll need to help you retrieve your line (by linking your phone number to a new SIM card).
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.
A card blocked by the PUK code cannot be unblocked; it cannot be used any further and you have to replace it.
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.
If you by yourself enter the wrong SIM PIN three times over, you can reset it by entering the PUK code, which is named like that because it is your SIM's PIN Unlock Code.
You can try online to find your PUK code as long as you have an online account through your network provider (most offer this service). Log in to your mobile phone account on your computer and look for a PUK code section on your account page. Where this appears will vary among network providers.
Your PUK (Personal Unlocking Key) is an 8-digit code unique to your SIM card.
The PIN Unblocking Key (PUK) is utilized to reset a blocked SIM card. Before proceeding, do one of the following depending on your type of service: Standard Service accounts: Obtain the PUK via the My Verizon website. Prepaid accounts: Contact Customer Service to obtain the PUK.
If you accidentally locked your SIM card due to three failed attempts, your phone asks you to enter a Personal Unlock Key (PUK), an eight-digit number. This number is located on the packaging your SIM card came in.
The SIM card on your mobile phone will become locked if you enter an incorrect personal identification number (PIN) three times. You won't be able to use your phone, except for emergency calls. To unlock it you must reset your PIN by entering your SIM card's unique unlock key (also called a PIN unblocking key or PUK).
Unlock The Phone On Your Own
First of all, you have to turn off your mobile phone and take out the SIM card. Then turn on the device without the SIM card and wait for it to show a message with the instruction to insert the SIM card. From that moment you will need to write the IMEI code to unlock the phone.
All SIM cards contain cryptographic keys. The secret authentication key called Ki (pronounced K-I) is unique and is stored on the ROM, a protected area of the SIM. The Ki is never exchanged between the mobile device and the network.
You can remove the SIM lock by performing an unlock procedure on the phone. Although the specific unlock instructions differ according to your phone model, the procedure consists of obtaining an unlock code from your existing mobile provider. You can also buy a code online if the provider is unable to give it to you.
Inputting your PUK code
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.
Each operator has a default passcode, usually 1111, 0000, or 1234.
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.
A PIN code acts as a simple password for your Air SIM and is initially set to "0000". For security, a device will be locked if the wrong PIN code is entered three times. Once a device is locked, you will be asked to enter a PUK (Personal Unlocking Key) or PUC (Personal Unblocking Code) in order to unlock the device.