iOS movie become laggy and crashes when played in iPhone 6/6s.

Movie play in iOS is laggy and crashes in some movie. This issue seems to be happening when the movie is played in umg widget.

Tested in 4.14.3 4.15 Dev_Mobile Latest as of 2/24

Original UDN post (Korean language support)

1) Open Project downloaded from comments.
2) Deploy to iPhone 6/6s
3) Select ./Movies/EP_01_06_End.mp4
4) Press Play button
5) Notice it is laggy and crashes.
6) Try same project in iPhone 5s
7) Try other movies
8) Notice it is not reproduced.

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