iPhone and iPad users were extremely vocal about iOS installation problems on release day and in the days after the update's arrival.
iOS failed verification because you are no longer connected to the Internet." You can no longer upgrade a 4S to any version of iOS 7. Can't install update.
You can download and install updates directly from your device, or you can use .. If you're using an iPhone 4, iOS is the last available version of iOS. Can I update my phone from the internet without having mobile data service?.