Vivo x20 mobile phone Unicom card starts to display the welcome interface, and the bottom of the screen also prompts for saving and canceling incoming SMS. How to turn it off?

This is to set the information to be encrypted, and then do not display the short message content.

1, encryption is to change the original information data with a special algorithm, so that even if unauthorized users get the encrypted information, they still can't understand the content of the information because they don't know the decryption method.

2. Encryption can be used to ensure security, but some other technologies are still necessary to ensure communication security, especially regarding data integrity and information verification.

3. The function of encryption on the network is to prevent useful or private information from being intercepted and stolen on the network.