How can I know if my Samsung Galaxy S4 made in Vietnam is original?

[AC Question]

how can i know my samsung galaxy s4 made in vietnam is original

i brought a samsung galaxy s4 which is made in vietnam. please tell me how can i know it is original samsung galaxy s4 i9500.

 

[BergerKing]

Re: how can i know my samsung galaxy s4 made in vietnam is original

https://youtu.be/Ugn0XAknWlg