Can I delete/remove retail demo mode from Samsung S7?

[AC Question]

need help removing retail mode from Samsung S7, have done reset but when it turns back on, no difference. Does anyone now how this can be permanently removed!

 

[Brett Mcdonnell]

need help removing retail mode from Samsung S7, have done reset but when it turns back on, no difference. Does anyone now how this can be permanently removed!

 

[Jake Methner]

What model number is it?