Where is the text message encrypted by vivo X9s?

Vivo X9S mobile phone needs to input information-long press the SMS session that needs to be encrypted-encrypt-enter the privacy password to encrypt the contact information of the mobile phone. (You need to save the contact to your phone before you can set the encryption).

Specific operation steps:

1, look for information to enter on the mobile phone desktop.

2. Enter a message, click and press the message to be encrypted.

Step 3 click more

4. Enter more and click Encrypt.