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 Edited by OrangePiLinux at 2015-5-21 06:32  
 
Well I think it also depends on  which model of Orange Pi you have.  
I tried on Orange Pi plus--and if quickly press power button in Android--i think screen becomes black and possible it is put to sleep, but if to press and hold power button--then it shows Dialog window with option to turn off device. 
 
 Even after I first pressed quickly--and screen became black--I can still press and hold in order to turn off device. 
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