How to set personal SMS encryption (how to set SMS encryption)

1. On the mobile phone screen, click the settings page and click the security and privacy options in the interface. 2. Enter the security and privacy interface, and click the encrypted SMS option in the interface. 3. In the card being used, activate encryption and click the blank button to enter the encryption page. 4. Go directly to the SMS page and click more options at the bottom of the interface. 5. A new interface pops up, and click Settings. 6. Enter the setting interface, and click the encrypted SMS option at the bottom of the interface.

Short message: ShortMessageService, referred to as short message service, refers to the text or digital information directly sent or received by users through mobile phones or other telecommunication terminals. The number of characters that users can send and receive SMS at a time is 160 English or numeric characters or 70 Chinese characters.

On April 8, 2020, China Telecom, China Mobile and China Unicom jointly issued the White Paper on 5G SMS, which enabled China's basic SMS service to enter a comprehensive upgrade channel, and traditional SMS will be gradually replaced by 5G SMS.

Chinese short message function refers to peer-to-peer service, information broadcasting, mobile securities, mass entertainment and so on. After entering the number of the short message center on the mobile phone. Generally speaking, the information to be expressed is sent to the mobile phone designated by the user through words, sounds or pictures.

In some cases, such as the cell phone is turned off and out of service area, if someone calls a cell phone user in China, of course, no one answers. And if you have a Unicom mobile phone with Chinese short message function and open Chinese short message in Unicom 165 network system, you can send Chinese short message to Unicom short message service center on Unicom 165 network, and the short message center will store and forward the information to GSM Chinese mobile phone users of Unicom. These users can receive your messages as long as they turn on their mobile phones or return to the service area.