Go to settings>applications>application manager> all , then scroll down until you see 'smart manager provider'. Go into that and manage storage, then clear data and clear cache. When you now open the smart manager app it will show the device security as deactivated.
Thereof, is smart manager a Samsung app?
What is the Smart Manager application on my Samsung Galaxy S6, and how do I use it? The Smart Manager application lets you manage your device's battery life, storage, RAM usage, and security all in one place. Smart Manager is currently available for Samsung Galaxy S® 6 devices from T-Mobile, US Cellular, and MetroPCS.
What is Samsung App optimization?
Sometimes apps are running in the background, consuming battery power. After selecting Battery within the Smart Manager, users can prevent wasting battery power through “App Optimization.” For each app, users can choose between “Always Optimizing,” “Automatically Optimizing” or “Disable For.”