Instructions to pin screen on Apro devices

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

Apro Nano R3 Apro Nano R3
Apro Nano R5 Apro Nano R5
Apro Nano R1 Apro Nano R1