How to cancel the password setting of mobile phone OPPO SMS?

Cancellation method for applying encryption:

1, ColorOS 5. 1 and above: enter the settings >; Security > "Application Encryption" Enter the privacy password, find the application with the small lock icon, click Apply, and turn off the password verification switch.

2.ColorOS version: "Settings >; Security > Apply Encryption > Enter Password > Settings in the upper right corner > Modify Password/Change Password > Other encryption methods "Just turn off the password;

3. ColorOS version 3.0 ~ 3.2: Mobile Phone Butler; Permission Privacy > Apply Encryption > Enter Password > Settings in the upper right corner > Modify Password/Change Password > Other encryption methods "Just turn off the password.