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 C5 (2017) BLU C5 (2017)
BLU Grand 5.5 HD BLU Grand 5.5 HD
BLU Studio One Plus BLU Studio One Plus
BLU Vivo 5 Mini BLU Vivo 5 Mini
BLU J9L BLU J9L
BLU A5 Energy BLU A5 Energy
BLU Bold N1 BLU Bold N1
BLU G90 BLU G90
BLU Dash M BLU Dash M
BLU Life One (2015) BLU Life One (2015)
BLU View Mega BLU View Mega
BLU Studio C 8 + 8 BLU Studio C 8 + 8
BLU Tank Xtreme Pro BLU Tank Xtreme Pro
BLU Studio G Max BLU Studio G Max
BLU Studio 5.0 C HD BLU Studio 5.0 C HD
BLU R1 HD BLU R1 HD
BLU Studio X12 BLU Studio X12
BLU Touchbook M7 Pro BLU Touchbook M7 Pro
BLU Studio Selfie 2 BLU Studio Selfie 2
BLU Studio 5.3 S BLU Studio 5.3 S