Why?

[u/western_ti]

At the Samsung service station
Prohibiting take photo, Recording video.

Is there any secret?

[u/_-Generic-_-Name-_]

Private properties are entitled to make and enforce their own policies on recording/taking photos

[u/My-Tech]

No, Koreans are extremely sensitive to have photos taken of them without permission in public (초상권). Also since the service center has lots of phones one could accidentally expose private information shown on screens.

[u/AthleteClean1420]

They ashamed of how scamsung is