Battery life is great on my iPhone 6. I want to say it might even be better than 8.3/8.4. 
There's still some UI glitches and what not but I am able to make calls, use facetime, etc...Overall, pretty stable build.
	
		
			
		
		
	
				
			There's still some UI glitches and what not but I am able to make calls, use facetime, etc...Overall, pretty stable build.
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
			
 
 
		 
 
		 
 
		 
			