Samsung galaxy s6 edge + - Device Security

Settings 364
4. TapNone.
Thescreenlockisdisabled.
Device Security
Configuresecurityforyourphone.
1.
Fromhome,tapApps >Settings >Lock screen and security .
Thelockscreenandsecuritymenuopens.
2. TapON/OFFnexttoUnknown sourcestoenableinstallationofnon-GooglePlayapplications.