Some accidents happened during upgrading. My phone was stuck at emergency mode for 10 mins, I then released the battery. After that the phone is completely dead, no response after pushing the power button. 
Also tried Home + Volume Down + Power for 15 seconds, no response at home.
is it completely dead?
				
			Also tried Home + Volume Down + Power for 15 seconds, no response at home.
is it completely dead?
 
	 
 
		 
 
		 
 
		 
 
		 
 
		
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