Instructions to pin screen on BLU devices

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

BLU Studio X12 BLU Studio X12
BLU G5 BLU G5
BLU G50 Plus BLU G50 Plus
BLU G90 BLU G90
BLU Studio X9 HD BLU Studio X9 HD
BLU G91 Pro BLU G91 Pro
BLU J6 BLU J6
BLU C4 BLU C4
BLU G70 BLU G70
BLU Studio G4 BLU Studio G4
BLU C5 Plus BLU C5 Plus
BLU M7L BLU M7L
BLU Vivo X5 BLU Vivo X5
BLU G61 BLU G61
BLU Bold N1 BLU Bold N1
BLU G9 Pro BLU G9 Pro
BLU View Mega BLU View Mega
BLU G50 Mega BLU G50 Mega
BLU G5 Plus BLU G5 Plus
BLU J7L BLU J7L