What does it mean when the phone shows entering the PUK card? What is a PUK card

In order to protect your security, China Unicom SIM card is protected by PIN code and PUK code. When the PIN code is entered incorrectly 3 times, the SIM card will be automatically locked, and the mobile phone will prompt "SIM card locked".

After the SIM card is locked, you need to enter the PUK to unlock it, you can log in to the mobile phone business hall and click "My Unicom", "Security Center", "My PUK Code", you can check the PUK code.

2. The specific functions and operation paths of the mobile phone business hall are subject to the actual page.

The PUK password is the password of the SIM card of the mobile phone, and the mobile phone will prompt you to enter the PUK password when the PIN code is entered incorrectly 3 times. When your phone prompts you to enter your PUK password, contact your network operator and ask for your SIM card PUK code. Do not enter this password arbitrarily, so as not to cause the SIM card to be scrapped and unusable.

You can find the PUK code information on the large card tray that comes with the mobile phone card when purchasing the card, or you can log in to the operator's online business hall through the local number and service password to view, if the above channels are not available, you can also go to the nearby business hall with the original ID card of the owner to inquire.

1. The Puk code of China Unicom mobile phone card is an unlock code (a total of 8 digits long) used to decode the PIN code. PIN is a password used to protect the security of the SIM card, when the PIN code is entered incorrectly 3 times, the SIM card will be automatically locked, and you need to enter the PUK code to unlock it.

2. The PUK code of China Unicom mobile phone card can be queried in the following ways:

2. The owner of the aircraft shall go to the Unicom's own business hall in the place of belonging with valid documents to inquire about the PUK code information.

3. You have a total of 10 chances to enter the PUK code, more than 10 times, the SIM card will automatically start the self-destruct program, so that the SIM card is invalid, then you have to go to the business hall again to replace the card.

4. Each SIM card corresponds to a PUK code, and the PUK code of the SIM card will be changed after the card replacement business is handled.

Its main function is the code used to unlock the SIM card when the wrong PIN code is entered, causing the phone to be locked. Generally speaking, if the PIN code is entered incorrectly 3 times in a row, the phone will be temporarily locked and unusable. In this case, as long as you contact the system operator to which the mobile phone number belongs as soon as possible, after passing the identity verification process, the other party will give a set of PUK code, and you can unlock it as long as you follow the instructions.

When the user's mobile phone card is accidentally locked, prompted to enter the PUK code, the user does not need to go to the business hall to unlock, now just use the locked number to log in to the portal** can easily solve it by themselves.

The PUK code (PUK1) consists of 8 digits, which cannot be changed by the user.

When the mobile phone PIN code is locked and prompted to enter the PUK code, do not operate at will, because the PUK code only has 10 chances to enter, and if the 10 times are incorrect, the SIM card will be permanently locked, that is, it will be scrapped.

The PUK code of some SIM cards is attached to the card when the user buys the card, such as the PUK code attached to the back of the mobile phone card sleeve of China Unicom, or China Mobile's Shenzhou Line, etc., while the other part needs to be obtained from the network operator.

If your PIN code is locked and you don't know the PUK code, don't enter it casually, the correct thing to do at this time should be to call the service of the operator to which the SIM card belongs**, after a simple user information check, you can get the PUK code and unlock the mobile phone, the service is free. However, after unlocking the PUK code and turning it off again, the phone will still remind you to enter the PIN code.

It is mainly used to facilitate the management of cards, and the compilation of card numbers has unified regulations and is unique in the world. The PUK code is a higher level of unlock code than the PIN code, consisting of 8 decimal numbers, and the PIN code of each SIM card.

It is the unlock password of the PIN code, when the mobile phone PIN code is locked, enter the PUK code to unlock, enter the error code ten times in a row, and the SIM card will be permanently locked and automatically scrapped. The PUK code consists of 8 digits, which cannot be changed by the user. When the mobile phone PIN code is locked and prompted to enter the PUK code, do not operate it at will.

The full name of PUK (PUK1) code is PIN Unblocking Key, which is the unlocking code of PIN code (PIN1), and the original password of PIN code (PIN1) is generally 12 before modification....

Open the boot PIN code, just enter the PIN code every time you turn it on! If the PIN code is entered 3 times in a row, it will lock the card and ask to unlock it with a PUK code.

A text file is a computer file, which is a typical sequential file, and the logical structure of the file belongs to the streaming file.

PUK code: is the unlock password of the PIN code, when the mobile phone PIN code is locked, enter the PUK code to unlock, enter the error code ten times in a row, the SIM card will be permanently locked and automatically scrapped. The PUK code consists of 8 digits, which cannot be changed by the user.

When the PIN code of the mobile phone is locked and prompted to enter the PUK code, do not operate it at will, because the PUK code only has 10 chances to enter, and the SIM card will be permanently locked, that is, scrapped.

PUK is the unlock code of the PIN, and you need to go to the local business office to unlock it.

PUK's full name is Personal LDENTIFICATION NumberUnlock Key, and its main function is to act as a SIM card.

Entered the wrong PIN code.

The code used to unlock the phone when it is locked. When the PIN code of the SIM card is entered incorrectly three times, the SIM card will be locked.

At this time, as long as you contact the system operator to which the mobile phone number belongs as soon as possible, and after passing the authentication process of identity verification, the other party will give you a set of PUK code.

Just follow the instructions to unlock it.

The PUK on the mobile phone card refers to the PIN unlock code.

1. Explanation of "puk":

PUK is the abbreviation of "Personal LDENTIFICATION NumberUnblock Key", which means PIN unlock code in Chinese, and can be used to unlock the phone when the SIM card is locked due to the wrong PIN code.

When the mobile phone PIN is locked and prompted to enter the PUK code, the user should first find the PUK code and then unlock it, because the PUK code only has 10 chances to enter. If you enter it incorrectly 10 times, the SIM card will be permanently locked by the macro car, and the mobile phone card will be scrapped.

2. The location of the PUK code:

The PUK code of some SIM cards is attached to the card when the user buys the card, such as the PUK code attached to the back of the mobile phone card sleeve of China Unicom, or China Mobile's Shenzhou Xing, etc., while the other part needs to be obtained from the network operator.

【PIN 1 Code】In order to ensure that your mobile ** is not stolen after loss, each SIM card can be set with a set of personal password (PIN code), lock the SIM card, and set a four-digit password by yourself; The PIN is usually referred to as PIN 1, which is used to protect the security of the SIM card; The initial PIN code is 1234.

PUK code] PUK code is composed of 8 digits, when the PIN code is entered wrong 3 times and is locked, you can use the PUK code to unlock, a total of 10 times to enter, more than 10 times, the USIM card will automatically start the self-destruct program, so that the SIM card is invalid; You can only re-go to the business hall to replace the card.

This one must go to the mobile business hall, take your ID card, and ask them to give you a PUK code, and you can unlock it.