iOS 7.0.5 Released.

iPhone 5s and iPhone 5c models sold in China were suffering proper network provisioning, hence iOS 7.0.5 was just released by Apple via Software Update to resolve network provisioning issues.

Saurik (Cydia Dev) mentioned jailbreakers should stay away from this update, as it will break it from working.

For information on the security content of this update, please visit this website:
http://support.apple.com/kb/HT1222