[Galaxy s7] How can I turn off camera sound on s7 Korea without root?

On s7 korea ver, even in slient mode I can't do it.
But If it impossible (I don't hope that), please tell me a other way, how can I root and turn off it ?
I read it
http://ift.tt/2bp59BB
and
http://ift.tt/2bp5apa
And I can't file Shutter.ogg where it is.
Please help me. :'(

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