can someone please tell me what is this !?

[Sidek Meher]

can someone tell me what is the black backplate stick on the back battery of the galaxy note 4
and what happens if we remove it !?
look the video
thanks !?
https://www.facebook.com/100008850584008/videos/1443446109293728/

 

[bootcher]

I think it is for the wireless charging capabilities of the phone. You probably cannot charge it anymore through wireless if you remove it, or your battery might not even work properly.