Instructions to pin screen on Callbar devices

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

Callbar A3S Callbar A3S
Callbar T61 Callbar T61
Callbar M45 Callbar M45
Callbar A9 Callbar A9
Callbar A45 Callbar A45
Callbar A35 Callbar A35
Callbar A3 Callbar A3
Callbar A1808 Callbar A1808