Instructions to pin screen on Douzo devices

How to protect your privacy when lending a Douzo smartphone or tablet to someone else. Instructions for setting up "screen pinning" on a Douzo brand device. Block an application on the screen from which the user will not be able to exit without knowing the unlock pin, in this way you will prevent them from seeing your messages, photos and private data that you do not want to show.

Douzo Silk D5 Douzo Silk D5
Douzo Knight D51 Douzo Knight D51
Douzo Knight D50 Douzo Knight D50
Douzo Silk D4 Douzo Silk D4
Douzo Silk D4 Plus Douzo Silk D4 Plus