What is the pin code? How to unlock the pin code?
php editor Yuzai will answer your question: what is the pin code and how to unlock it? Pin code (Personal Identification Number) is a personal identification code, often used to unlock mobile phones, bank cards and other devices. To unlock a pin, you usually need to enter the correct combination of numbers. If you forget your pin code, you can try an alternate unlocking method or contact the relevant service provider to unlock it. Remember to keep your pin code carefully to avoid unnecessary trouble.
The pin code refers to the personal identification password of the mobile phone's SIM card.
Analysis
1The pin code (pin1) is a telecommunications noun, and its full name is PersonalIdentificationNumber. It refers to the personal identification code of the mobile phone SIM card. The mobile phone PIN code is a security measure to protect the mobile phone SIM card to prevent others from using the mobile phone SIM card illegally. If the PIN code is enabled, a 4-8 digit pin code must be filled in every time the phone is turned on. When the pin code is invalid for more than three times, the card will be automatically locked for protection. To unlock, you need to use the PUK code to call the operator's customer service number.
Additional: How to unlock the pin code
1Open settings and click Other Settings on the settings page.
2Click Devices and Privacy in the other settings page.
3Click SIM card lock on the Device and Privacy page.
4Turn off the SIM card lock, enter the PIN code, and click OK to unlock it.
Summary/Notes
When the pin code filled in is invalid for more than three times, the card will be automatically locked for protection.
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