Instructions to pin screen on Smartisan devices

How to protect your privacy when lending a Smartisan smartphone or tablet to someone else. Instructions for setting up “screen pinning” on a Smartisan 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.

Smartisan NUT R1 Smartisan NUT R1
Smartisan NUT PRO 3 Smartisan NUT PRO 3
Smartisan NUT R2 Smartisan NUT R2
Smartisan Nut Pro 2S Smartisan Nut Pro 2S