Instructions to pin screen on Four devices

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

Four S40 Four S40
Four S61 Four S61
Four S300I Four S300I
Four S180 Four S180
Four S185 Four S185
Four S600 Four S600
Four S710 Ruby Four S710 Ruby
Four K500 Four K500
Four S150 Four S150
Four S151 Four S151
Four S555 Four S555
Four S300 Four S300