7.0.5 is strictly for the iPhone 5S and iPhone 5C. So far it seems that it's only for the dual-band iPhone 5S and 5C. All non-5S/5C devices will have 7.0.4 as the latest iOS. For the 5S and 5C, at the time of this post, 7.0.4 is still being signed in conjunction to 7.0.5. It may be that both iOS may be left signing until 7.1 is released, maybe not.