What is the mobile phone puk code and how to open it yourself.

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.

PUK is an anti-theft password specially set for mobile phone SIM cards. This password is usually used in conjunction with the PIN and is the second password. Meaning:

If the PIN code is entered incorrectly three times, you will be asked to enter the PUK code. The PIN code is 0000 or 1234 by default, and you can also modify it yourself. Because there are only four Arabic numerals, according to the exhaustive method, it can be cracked after a maximum of 10,000 trials.

Therefore, the PUK code with more cracks is generally 8-digit Arabic numerals, and it takes up to 100 million times to crack. This code is generally provided by the service provider and cannot be modified. To know the code, there are three channels:

One is on the back of the SIM card. The second is to inquire in the official **. You can log in to China Mobile** with your mobile phone number and service password to automatically enter the personal customer web page.

Then find "My Mobile--All Categories (just put the mouse on it)--Other Functions--SIM Card Information Query", in which you can see the pin1 pin2 puk1 puk2 puk2 code of your mobile phone. If it is a telecom card (number), you can log in to the official website of China Telecom with your mobile phone number and password, and find the "Consumer Help Center (in the upper right corner of the screen)--Convenience Service--Convenience Service--Real PUK Code Query--Enter the mobile phone number in the box to display the PUK code" is generally two, the first is PUK1 code, and the second is PUK2 code. The third is to directly call customer service ** to ask for it (identity information needs to be provided).

When the PUK code is entered incorrectly ten times, the SIM card is burned, and you need to go to the business office to apply for a new card.

If you don't know the PUK code of your Unicom mobile phone card.

It can be queried in the following ways:

2. Log in to the [China Unicom online business hall] and click "Inquiry - Basic Business Inquiry - My Basic Information" to query the PUK code information.

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

The self-destruct process will be automatically activated to invalidate the SIM card, and you can only resume normal use after returning to the business hall to replace the card.

B. Each SIM card corresponds to a PUK code, and the PUK code of the SIM card will be changed after the training and replacement card business.

c. Taking Chongqing as an example, the policies of different provinces may be different, and the specific policies of each province shall prevail.

If you are a China Unicom mobile phone customer, if the mobile phone prompts that the PUK code is locked, the PUK code is a security password for the mobile phone card, and the SIM card is protected by PIN code and PUK code to protect your use security. 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";

Unicom mobile phone number, PUK code can be queried in the following ways:

Call the local customer service on other machines, but you need a service password or verify the owner's information to query.

Select the city region where your SIM card number is located, and then log in with SMS and password. In "My Mobile", click on the common functions, and then select "SIM Card Information Query".

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 act rashly, because the PUK code only has 10 chances to enter, and if you enter the wrong 10 times, 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 China Mobile's Shenzhou Xing, 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.

This paragraph PUK code functions.

PUK (PUK1) code full name PIN Unblocking Key, is the unlocking code of PIN code (PIN1), PIN code (PIN1) is generally 1234 before the modification of the original password, if not, don't try again, you need to call customer service ** consultation. 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 is wrong, the card will be locked and the PUK code will be required to be unlocked, and the PU code has only 10 chances to enter, and if the 10 times are wrong, the SIM card will be permanently locked, that is, it will be scrapped.

The way to query the PUK code in this paragraph.

PUK code, whether you are using China Mobile or China Unicom, the service provider has data saved, once you need to enter, you can call the corresponding service ** to manual service (such as mobile 10086, Unicom 10010) inquiry, you can also go to the local business hall to inquire, more convenient and fast way is to go directly to mobile or Unicom ** enter the mobile phone number and service password login, enter the online business hall, for inquiry. If you are a user of China Mobile, you can also inquire directly through online customer service (trial), and ask the customer service staff directly. Or you can use this method if you are a registered user in the online business hall, but if you don't register, you can only use Feixin.

For Fujian Mobile customers, it can be found at:"Management of my personal information"directly clicked"PUK code query"Make an inquiry.

In order to protect the safety of customers, China Unicom SIM card is protected by PIN code and PUK code. The initial password of the PIN is 1234, when the PIN code is entered incorrectly 3 times, the number card will be automatically locked, you need to enter the PUK to unlock, you can check the PUK code in the following ways:

1. China Unicom online business hall: inquiry-basic business inquiry-my basic information;

3. View through the card tray of the USIM card;

4. Contact customer service or inquire through the business hall.

Summary. The initial PIN of the SIM card is set to 1234, which you can set or change on your mobile phone according to your needs. There are only three chances to enter the PIN code, and if you make a mistake three times, it will lock itself, and you need to enter the PUK code.

PUK unlock code has a total of 8 digits, for the random generation of numbers, in the SIM card tray you purchased on the mark, if you lose the SIM card tray, you can bring a valid certificate to the business hall to unlock the business.

The initial PIN code of the pro-SIM card is set to 1234, and you can set or change it on your mobile phone according to your needs. There are only three chances to enter the PIN code, and the three times the liquid error will lock itself, and you need to enter the PUK code. PUK unlock code has a total of 8 digits, for the random generation of numbers, in the SIM card tray you purchased is marked, if you lose the SIM card tray, you can bring a valid ID to the business hall to unlock the business.

The code is the unlock code of PIN code (pin1), PIN code (pin1) is generally 1234 before the modification of the original password is 1234 or code fierce spine is incorrectly entered 3 times in a row, it will make the SIM card in a locked state, then it is required to use the puk1 code to unlock the wild talk lock. The code is used to enter the SIM card under the branch base subordinate function (such as call accounting function) of the unlock code, if the pin2 code is entered incorrectly three times, the SIM card will automatically lock the subordinate function, then the puk2 code is required to unlock. The PUK2 code is also provided by the network operator.

Hope mine is helpful to you!

If you have forgotten the PUK code, you can try the following steps:

Check the phone box: Your PUK code may be printed on the phone box.

Check the manual of your phone: If you don't have the box of your phone, you can check the manual of your phone to see if there is any information about the PUK code.

If none of the above methods can help you get a PUK code, you may need to contact your phone manufacturer or technical support team for help.

Dear Hello, I'm happy to serve you, 1, take Huawei P40, EMUI10 system as an example, because the phone is set up with password protection for booting, to enter PUK is because the mobile phone card is locked, you need to unlock it to use, PUK code is the mobile phone number comes with, you can only enter 3 times, if you make an error 3 times, the mobile phone card will be locked, can not be used, but can be taken to unlock, you can use it. 2. The mobile phone card will be locked after entering the puk code incorrectly 3 times, at this time you can go to the exclusive business hall of the mobile phone number to unlock, you can use it, if the mobile phone card is lost, you can also go to the business hall to replace the card, there are three times it is free, you need to go to the local business hall with the service password of the mobile phone number and valid documents. 3. The puk of the mobile phone card is used to protect your SIM card from being used by others, and the input error will be permanently locked, that is, it will be scrapped, and when prompted to enter the puk code to unlock, you can call**to the SIM to see the operator's service**, after a simple user information check, you can get the puk code to unlock the mobile phone, the service is free.

<>2. The second step, after performing the above operations, open the ** Lianqi car mobile phone business hall software, follow the prompts to log in, click "My" in the lower left corner, and then click the mobile phone number, see the figure below, go to the steps below.

3. In the third step, after performing the above operations, in the open number page, select the "Number Information" option, see the figure below, and go to the steps below.

4. The fourth step, after performing the above operations, quietly and recklessly, in the open number information page, you can see the PUK code of the mobile phone card, see the figure below. In this way, the problem is solved.