Finally completed the upgrade screen rotation, here are some facts to be informed for sure.
Special thanks to "DaOld Man" for the patience to answer questions and everything.
When staff gave suggestions on the subject and all viewing.
Recalling that the mechanism I did was based on the author's video, Thanks !
http://www.youtube.com/watch?v=YaDoy2Y87aM
opsss Thanks also to our dear "google translator" oh my god!!
Demonstration of screen rotation in 00:50 to 03:10.