iOS 6.0.1 was just pushed to iPhones and iPads running 6.0. The update is 34.7 MB and contains various improvements and bug fixes, including:
Fixes a bug that prevents the iPhone 5 from installing software via over-the-air updates.
Fixes a bug where horizontal lines might be displayed across the keyboard
Fixes an issue that could cause the camera flash not to fire
Improves reliability of the iPhone 5 and fifth-generation iPod touch when connected to encrupted WPA2 Wi-Fi networks
Resolves an issue that prevents the iPhone from using the cellular network in some cases
Consolidated the Use Cellular Data switch for iTunes Match
Fixes a Passcode Lock bug which sometimes allowed access to Passbook pass details from the lock scree
