Really? Most likely not, but news of photos that show iPhone parts that slightly differ from the iPhone 5 are traded as possible iPhone 5S parts.
One thing is for sure. The next iPhone will be called iPhone 5S. It will arrive somewhen in 2013. If a rumor from early November is true, than Apple is already having the iPhone 5S produced as of now.
Today French site NowhereElse published images of iPhone 5S parts that leaked in forums in Asia. The conclusion why this parts are iPhone 5S parts is based on slight differences to iPhone 5 parts.
These parts could also be though from a prototype as likely.
As for now, the iPhone 5 is the latest greatest from Apple and the next iPhone is still a long time away.
More iPhone 5S Rumors.