Instructions to pin screen on Oppo devices

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

Oppo A54 Oppo A54
Oppo A3s Oppo A3s
Oppo A9 (2020) Oppo A9 (2020)
Oppo A5 (2020) Oppo A5 (2020)
Oppo A15 Oppo A15
Oppo A12 Oppo A12
Oppo F19 Pro Oppo F19 Pro
Oppo F17 Pro Oppo F17 Pro
Oppo A92 Oppo A92
Oppo F11 Pro Oppo F11 Pro
Oppo A7 Oppo A7
Oppo A5s Oppo A5s
Oppo A3 Oppo A3
Oppo A1k Oppo A1k
Oppo A5s (AX5s) Oppo A5s (AX5s)
Oppo A35 Oppo A35
Oppo Reno3 Pro Oppo Reno3 Pro
Oppo A12e Oppo A12e
Oppo A52 Oppo A52
Oppo AX5 Oppo AX5