Iphone 4s stuck on itunes logo?

I was trying to update my phone to the latest software and it got stuck on the screen with itunes logo and a usb cable… I plug it in to itunes and nothing happens i know its not the cable becuz it makes a noise that signals its workin please help i need my phone as soon as possible

Sounds like you were jailbroke with evasion.
you can't update. It will brick iphones.

Try to do a hard reset to refresh the system, if it doesn't work then try to enter in DFU mode and restore it.
Check this out on how to enter in DFU mode and t restore it: http://jailbreakhome.com/put-iphone-in-dfu-mode