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원문 게시자: Gabriel Barrandeguy ,

본문:

here i made a video

about how to change it in theory. it is very accurate in whiteboard.

it is about 30 minutes but it will help you to understand  all   you must do.

https://www.youtube.com/watch?v=qOAauYYNUuI

here it is other video about samsung s3

https://www.youtube.com/watch?v=MnuoCm_erYI

현황:

open