The pin code 3 times SIM card will be locked, only the PUK code can be input to unlock, the PUK code is mistyped 10 times, the SIM card is locked, and the new card can only be redone to the service provider. If you want to know your PIN code and PUK code, you can log in to China Mobile website with your mobile phone number and service password, and automatically enter the personal customer website. Then find "Online Business Hall - Checking Bills - Personal Information Settings - SIM Card Information Inquiry - SIM Card Information", where you can see the PIN1/PIN2/PUK1/PUK2 code of your mobile phone.
The sim card pin code is the password set by Telecom, Mobile or Unicom when producing the SIM card. In order to protect the security of the phone card, many users do not know what the sim card pin code is. What is the initial password? Let's take a look at it together.
What is the sim card pin code?The PIN code of the SIM card is used to protect the security and privacy of the SIM card. When the mobile phone is restarted or the SIM card is inserted or removed, the correct SIM card PIN code needs to be input to use the communication function of the SIM card (calling, sending and receiving) SMS and other operations), when the input fails three times, the SIM card will be locked, and you need 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 will Unlock the PIN code. The PUK code has 10 input opportunities. After 10 errors, the SIM card will automatically start the self-destruction program and invalidate the SIM card.
WeChat or Alipay payment has become a consumption habit of many people, but unlike before, it is difficult for others to steal your money even if you get your bank card, but now if your mobile phone is lost, others only need to take out the mobile phone card. Accept all types of verification codes to steal your assets. So, is there any way to guarantee the security? It is very important to modify the sim card pin code.
How to set the initial password for the sim card pin code
1. Every mobile phone SIM card actually has a PIN code function. Maybe everyone has ignored this function before, but after you have bound your own various assets, you need to pay attention to it. Take iOS as an example. Go to "Settings - Phone - SIM PIN" to see the above page, and open the function with confidence.
2. The default PIN code is generally "1234" or "0000". The password of such a weak chicken is definitely to be modified. I suggest that it is best not to match the password of the mobile phone, because some people with ulterior motives may even have your lock screen. Passwords can be stolen. If you have modified the PIN code and you have forgotten it, you can only unlock it in the local business hall. It is worthwhile to run for property security.
3. It can be completed in two simple steps. After setting the SIM card, you only need to enter the PIN code to unlock it when you put it on other mobile phones. Then others can't accept all kinds of verification code messages to steal your property. Of course, before such an operation, you also need to ensure that the phone unlock password is set completely, and that the SMS content is not displayed on the lock screen. Both of these points are very important!
It is also very easy for Android to find related functions. Most of the settings in the "SIM card application" can be set. The above is the introduction of the sim card pin code and password related, I hope to help you.
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