How is it that you often get short messages from Mi Duo Youpin?

You may inadvertently reveal your mobile phone number, and you will receive a sales promotion message.

Pseudo base stations can send spam messages to users unscrupulously, which actually takes advantage of a defect of mobile phones, that is, they have no ability to identify the "good or bad" base stations. There are a lot of communication base stations around us. Due to the influence of geographical location, the signal strength received by mobile phones from different base stations is also different.

Extended data:

Measures to prevent harassing short messages:

1, Pay attention to the sudden disappearance of the mobile phone signal: Experts and insiders remind the majority of mobile phone users that when the mobile phone signal suddenly disappears, perhaps when the pseudo base station sends a text message to invade, users should pay attention to the news coming at this time and not fall into the trap of fraudulent text messages.

2. Install interception software: CCTV's Focus Interview reported that mobile phone security experts pointed out that due to technological progress, fraudulent short messages often forge official numbers such as banks, airlines and operators to send "warm reminders" and "safety tips", which makes people hard to prevent. While strengthening security vigilance, mobile phone users also need to use mobile phone security software to identify fraudulent short messages sent by pseudo base stations through technical means.

3. The victims who use safer mobile phones to inquire about pseudo base stations can find that China Mobile and China Unicom are the majority of users, while China Mobile and China Unicom are branches of joint efforts by local police to rectify pseudo base stations. However, China Telecom and its users have not found any relevant cases on Baidu, which makes people feel suspicious. The reason is that the pseudo base station cannot be connected to the CDMA network of telecom.