Instructions to pin screen on FPT devices

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

FPT IV FPT IV
FPT F2 FPT F2
FPT F81 FPT F81
FPT HD FPT HD
FPT F56 FPT F56
FPT X502 FPT X502
FPT X3 FPT X3
FPT S500 FPT S500
FPT S400 FPT S400
FPT F9 FPT F9
FPT F86 FPT F86
FPT F83 FPT F83
FPT F80 FPT F80
FPT F8 FPT F8
FPT F69 FPT F69
FPT F54 FPT F54
FPT F52 FPT F52
FPT F35 FPT F35
FPT F22 FPT F22
FPT X506 FPT X506