Why do I keep receiving scam calls on my phone? Is it poisonous?

1. Making and receiving calls and sending and receiving text messages on mobile phones must be completed through base stations. Regular base stations have fixed operators. Pseudo base stations, however, are assembled by individuals. Generally, a radio transmitting device, a laptop, and the corresponding software can be easily assembled. Pseudo base stations are often used because they are easy to assemble, small in size, and easy to carry. Criminals put it in the back seat of a car or a suitcase and drive (carry it) to a densely populated commercial street or near a bank to send fraudulent text messages.

Why are pseudo base stations so rampant: high mobility/low cost

2. Pseudo base stations are an illegal radio transmission equipment. The production and use of pseudo base stations are strictly prohibited by the state, but due to their production technology With the publicity, equipment parts can be purchased through many channels, making the development and assembly of pseudo base stations very easy. Pseudo base stations are simple to assemble, small and lightweight, and highly mobile. They are usually placed in the back seat or trunk of a car. After transmitting signals in one place, the car drives away, which brings great difficulties to police investigations. .

The low cost of breaking the law is also the reason why fake base stations are so popular. According to the investigation, the price of pseudo base stations ranges from a few thousand to tens of thousands of yuan depending on the strength of the signal. After a one-time purchase, you do not need to pay any more. Correspondingly, pseudo base stations send spam text messages. The quotations range from a few hundred yuan to tens of thousands of yuan per day. The huge disparity between cost and profit leads to the criminals preferring to abandon the equipment and escape.

3. Improve awareness of preventing fraudulent text messages

1. Do not tell anyone your ID number, bank card number, or bank card password at any time, anywhere, or at the same time. . Note: Never announce three numbers at the same time.

2. When you cannot distinguish the authenticity of a text message, call the bank’s inquiry hotline as soon as possible. Note: Do not call the phone number left in the text message first.

3. Do not use your mobile phone to call back. It is best to call back from a landline.

4. For some unfamiliar text messages that cannot be identified at all, the best way is to ignore them.

5. Don’t reply to strange text messages at will - if you don’t believe it, don’t be greedy, and don’t reply, no matter how clever the trick is, it will be useless.