Help downloading iOS 7 with link that drops
You can download the IPSW specific to your device here:


http://www.redmondpie.com/download-ios-7-final-ipsw-for-iphone-5-4s-4-ipad-and-ipod-touch-direct-links/


Use iTunes to restore your device using that IPSW (shift-click Restore and select the IPSW).