How to set the phone SIM card PIN password

SIM card

The SIM card is a Subscriber Identification Module, also known as a user identification card or a smart card. The GSM digital mobile phone must be equipped with this card to be used.

The information of the digital mobile phone customer, the encrypted key and the user's phone book are stored on the computer chip, which can be authenticated by the GSM network client identity and encrypt the voice information of the customer during the call.

PIN password

PIN code (PIN1), the full name of Personal Identification Number. is the personal identification number of the SIM card. The PIN code of the mobile phone is a security measure to protect the SIM card, preventing others from stealing the SIM card. If the boot PIN code is enabled, a 4-digit PIN code is required after each boot. When the PIN code is entered three times incorrectly, the mobile phone will automatically lock the card and prompt 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 the initial PUK code. After entering the PUK code, the PIN code will be unlocked.

How to set the SIM card PIN code for your phone

In the era of advanced technology, the skills of thieves stealing mobile phones are becoming more and more sophisticated. We have various softwares such as WeChat, QQ, Alipay, etc. that are linked to bank card accounts. We want to get the information inside for "technical thieves". It's a breeze, there are a lot of unpredictable events.

Therefore, we must be vigilant and do a variety of protection work for the mobile phone, in case the account is stolen, in addition to setting the mobile phone password lock, you also need to set the phone's PIN lock.

Tools/raw materials

Phone PIN lock

Demo phone model: Red Rice Note 3

Method / step

[mobile phone second theft]

The "secondary theft" incident that occurred some time ago is that the thief does not pass the password lock of the owner's mobile phone, directly takes out the SIM card, and then takes the ID card and bank card of the victim to take a photo, so that the mobile phone number and the ID number can be used. Bind to the bank card to purchase, transfer, etc. Because, when we re-bind the personal bank card account, we only need to operate the "forgot password" and then enter the reserved mobile phone number, bank card number, ID card and cardholder name, so that you can easily bind the bank card. SMS verification code for consumption and transfer.