How to set the password of SMS on vivo mobile phone?

The method of encrypting the information content: enter the information-long press the short message session to be encrypted-encrypt-enter the privacy password to encrypt. (Contacts need to be saved to the mobile phone for encryption settings)

Set the method of software encryption (privacy password needs to be set first):

1, origin OS/iKoui/FunTouch OS 3.0 and above: Enter Settings-Fingerprint, Face and Password/Fingerprint and Password/Face and Password-Privacy and Application Encryption-Application Encryption-Turn on the corresponding switch behind the software to encrypt;

2. System model below 2.Funtouch OS 3.0: Enter iManager- Software Management-Software Lock, set pattern password or use digital password. After setting, click "Continue" in the upper right corner to set the software password, and then set the security of the software lock (that is, security issues). Then click "Finish" in the upper right corner and click the corresponding lock icon at the back of the software to encrypt.