How to avoid receiving business messages and phone calls?

In fact, in our daily life, we can easily receive some business information and telephone calls, such as the telephone number of insurance salesmen or sales advertisements. Although these short messages or phone calls are not necessarily fraudulent short messages or harassing short messages, it is very annoying to receive these insignificant business calls or short messages frequently, which may disturb our normal life. After receiving such harassing calls or text messages, many people will choose to mark such phone numbers as harassing calls or sales calls and blacklist them. This practice can effectively prevent numbers from getting through to our mobile phones or sending text messages.

But there are too many sources of business information. Even if one of their numbers is added to the SMS blacklist this time, they may call with another number next time. So joining the blacklist can solve temporary troubles, but it can't stop more sales calls. Although it is annoying to receive business messages and phone calls, we really have no way to stop it. Because from the operator's point of view, they charge for sending text messages, so sending text messages or making phone calls with normal phone numbers will not be severely stopped. Because there are all kinds of mobile phone numbers, even many marketing messages will constantly change the SMS gateway, so it is impossible to completely block such messages or calls.

Therefore, in order to reduce this kind of information and fundamentally reduce information leakage, it can be avoided to some extent. First of all, don't leave your contact information on some small websites or lending websites easily. Because the purpose of many websites is to steal users' information and easily register some unknown websites, their identity information and contact information are likely to be sold to multiple intermediaries. Secondly, don't answer unfamiliar research calls or promotion calls easily. If marked by this kind of mobile phone, our phone number will often receive their text messages or phone calls. Finally, don't install pirated software that can easily obtain our address book, SMS, location and other private information. Even if you want to download the software, you should download it in a special app store.