Here's a link to a Phandroid article which suggests an app from the PlayStore which cured the problem for me.  WiFi is like a rocket now.  Says it's a lollipop problem.
http://phandroid.com/2015/05/13/comcast-wireless-gateway-lollipop-bug/
App is called DNSet in the playstore.
Rich
				
			http://phandroid.com/2015/05/13/comcast-wireless-gateway-lollipop-bug/
App is called DNSet in the playstore.
Rich
 
	 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		
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