I upgraded my iPhone 4 to iOS 7 last night but now I can't download apps using the App Store on my iPhone. It's still possible to get the apps using iTunes on my computer and syncing my phone, but ...
Whenever I try to update one of my apps, it downloads 79%, stops for a moment, then the progress bar resets and one of two dialog boxes appears: Unable to Download Item "App Name" cannot be ...
I started downloading an app then realized that it's really big (over 600 MB) and that I don't want it anymore. Is there any way to cancel the installation?