The meaning of pin password: 1. It is the personal identification password of the SIM card, which is the password that needs to be entered when using the SIM card; 2. It is the quick login password of the Windows system that is independent of the Windows account password in order to facilitate local login for users. ; 3. The pin code of the router is the identification code of the QSS quick connection function; 4. The car pin code is the identification code of the vehicle. It is a vehicle ID number determined according to the national motor vehicle management standards. It consists of 8 digits and letters. Specify the manufacturer, production date, engine code, body type, vehicle model, etc.
The operating environment of this tutorial: Windows 10 system, Dell G3 computer.
SIM card pin code introduction
The pin code is the personal identification password for using the SIM card. That is the password you need to enter to use the SIM card.
The PIN code is a security measure to protect the SIM card and prevent others from stealing the SIM card. If the power-on PIN code is enabled, a 4 to 8-digit PIN code must be entered every time the phone is turned on. When the wrong PIN code is entered three times, the phone will automatically lock the card and prompt you to enter the PUK code to unlock. You need to use the service password to call the operator's customer service hotline. The customer service will inform you of the initial PUK code. After entering the PUK code, the PIN code will be unlocked.
It should be noted that if you enter the wrong PIN code three times, the phone will automatically lock the card and prompt you to enter the PUK code to unlock it. At this time, you are close to the edge of danger. If you don’t know your PUK code, Don't move for now. Take the service password and call the customer service hotline. The customer service will tell you the initial PUK code. After entering the PUK code, the PIN will be unlocked and you can reset the password. Therefore, if you change the PIN code without authorization, be sure to remember it. .
PIN1 code and PIN2 code functions
PIN1 code
PIN1 code is a personal identification code. It is a storage unit inside the SIM card and is set through the mobile phone. When turning on the phone, you will be asked to enter the PIN1 code. Entering the PIN1 code incorrectly three times will result in a "card lock" phenomenon. At this time, the operator needs to provide the PUK code and enter it on the phone keyboard to unlock it. If you enter the PUK code incorrectly 10 times, the card will be "burned". You must bring the valid ID of the phone owner to the China Unicom business hall to get a card replacement.
PIN2 code
If "PIN2 code restricted calls" is displayed on your mobile phone, it may be because you have turned on the PIN2 code related functions, but the network does not support it at the moment. The functions related to the PIN2 code cannot be used even if they are turned on. If the PIN2 code is accidentally locked, it will not affect the normal use of the phone. Please bring the valid ID of the phone owner to the China Unicom General Business Hall to apply for free unlocking service.
Introduction to PIN code in Windows
The pin code is a Windows system that is independent of Windows in order to facilitate users to log in locally. Quick login password for the account password.
In Windows, PIN is an additional security feature that can protect user accounts and sensitive data in the computer. Once enabled, you will be able to use a short PIN code to log in to Windows or pay in the App Store. The entire process does not require using your Microsoft account password or pressing the Enter key.
The pin codes are all 4 to 6 digit passwords. They are only used locally and cannot be used remotely. Windows systems do not have pin codes by default and require additional settings.
Setup steps:
1. Click Start with the left mouse button, select the settings icon, and select the account
2. Click on the login option, click on the password, add
3. Enter the new password in the create password, confirm the password, and the password prompt, Next, click Finish
4. Click Windows Hello PIN, add, verify the account password, and click OK
5. Set the PIN password, confirm the PIN password, and finally click OK
Router’s pin code
The router’s pin code is the identification code of the QSS quick connection function. For example, if you set a very complex wireless password, it will be very troublesome to enter the password every time a device joins the wireless network. At this time, you can enter the 8-digit pin code, and the router will allow you to join the network after recognition, which is equivalent to entering the wireless password.
Car pin code
The car pin code is the identification code of the vehicle.
The car PIN code is a vehicle ID number determined according to the national motor vehicle management standards. The car PIN code consists of 8 digits and letters. These 8 numbers and letters have different meanings, including the manufacturer. , production date, engine code, body type, car model, etc.
The PIN code of the car is mainly used to prevent the car from being stolen, the anti-theft converter is damaged and other faults occur. The 4S shop can perform repairs based on the PIN code of the vehicle. It is the identification code of the vehicle and can ensure the safety of the vehicle. safety. The PIN code can also be used to distribute car keys and repair the electronic anti-theft system. After telling the maintenance personnel the password, the maintenance personnel can repair the engine anti-theft system. To ensure the safety of the vehicle, the PIN code is very important, so the car owner should properly keep the engine electronics. Anti-theft system confidentiality envelope, and do not easily tell others your vehicle password.
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