Instructions to pin screen on Bravis devices

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

Bravis NB871 4G Bravis NB871 4G
Bravis NB851 Bravis NB851
Bravis A510 Jeans Bravis A510 Jeans
Bravis N1-570 Space Bravis N1-570 Space
Bravis N1-550 Cruiser Bravis N1-550 Cruiser
Bravis A509 Jeans Bravis A509 Jeans
Bravis A512 Harmony Pro Bravis A512 Harmony Pro