For someone that wants to update over PB2 - I installed it (DP7 delta) over PB2 -- it works. But mentioned the WiFi Tx Rate issue is returned back--- the speed drops to 280 and jump to 1170/1300 after that again to 280.. with DP6 and PB2 -- it was stable non stop 1300 Mbps
	
		
			
		
		
	
				
			 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		