The Ministry of industry and information technology recently issued an important reminder: users need to set the SIM card password in time and report the loss of the mobile phone as soon as possible.
Why does the Ministry of industry and information technology suddenly emphasize this point? This has something to do with recent cases.
It is reported that recently, after stealing personal mobile phones, some criminals steal user's personal information in an administrative app, and then use the information to apply for online loan consumption, resulting in the loss of users' property.
This is entirely possible if the mobile phone does not set a SIM card password. At present, many App use short message verification code as the basis for login verification or password retrieval, which belongs to a single weak verification.
After losing your mobile phone, you can't prevent others from pulling out the SIM card and using other mobile phones to operate various apps. There are too many things to do!
Add a password to the SIM card and the phone number will not be used casually
SIM card password is necessary to prevent this. Set the SIM card password, even if others pull out your SIM card, can not use SMS verification code and other means, security greatly improved! Because of this, the Ministry of Industry and Information Technology will emphasize the need to set the SIM card password.
But how to set the SIM card password? I found that many friends do not have this awareness, do not know the way, today to briefly talk about it.
What is the SIM card password?
There are three common passwords closely related to mobile phone number, which are pin code, PUK code and service password. The differences are as follows.
Pin code:SIM card password in the usual sense. If the pin code is set, you need to input the pin code before using the SIM card, otherwise the SIM card will be locked.
PIN code if three consecutive input errors, the SIM card will be locked, need to use the PUK card to unlock. The default PIN code is usually the PIN code if it has not been set
PUK Code:When pin code input error is locked for three consecutive times, PUK code is needed to unlock. By default, the PUK code will be attached to the large card when purchasing the SIM card, such as the location in the following figure:
PUK code can't be changed by individuals. At the same time, it also has the limit of input times. If the input error is ten times in a row, the SIM card may be locked. You need to submit personal information to the operator's network to unlock it.
Service password:When using the online business hall, handheld business hall app and other operator services, you need to use the service password to log in. By default, the service password is the last six digits of the ID card, or six zeros. It may be other. Please consult the operator for details. After logging into the website or app of the online business hall, the service password can be changed by itself.
Finally, I would like to remind you that pin code and PUK code can be inquired through online business hall webpage or app.
However, it should be noted that the pin code found is only the initial factory setting; if you lose the large SIM card, this method can be used to retrieve the PUK code.
How to set SIM card password?
Generally speaking, SIM card password refers to pin code. Here's how to set the pin code.
Consider Android 10. In the setup interface, find
iPhone settings are similar to Android phones. At the iPhone setup interface, find
In China, Internet services need real name authentication, which leads to mobile phone number becoming one of the most common accounts; at the same time, a large number of Internet services use SMS authentication code as login credentials, and mobile phone number is almost a universal pass. Add a password to the SIM card, it is particularly meaningful. If you don't want to lose your mobile phone and encounter all kinds of troubles, set your PIN code quickly!
- THE END -Pacific computer network