Samsung should bring a security feature call knock code

[mike8834]

New  security feature be cool

[Samesung]

You mean like other phones already have/had?

[Shaggyskunk1BLM]

Isn't Knock code / "tap code"... what prisoners use to communicate with each other... I've heard lol 😂

[meep]

it's not a feature. it's a novelty; like hand gestures. 🙄

[stmax]

I found that quite useful back in the day on my LG G3.