I was updating using iTunes . I think it got unplugged or something . Had the white apple screen an stuck half way on the download. Tied to restart the phone an stuck in iTunes recovery
i am having the same problem i reset my i phone 5 and now it is not opening it is just showing an apple logo and progress bar and even it is notconnecting to i tunes
Answers
http://www.iphonehacks.com/2014/08/fix-itunes-doesnt-recognize-iphone-ipad.html