My iPhone 5 is still feeling pretty new and here we already have a new rumor report from Asia that says that Apple is getting ready for the first trial production run for the next iPhone. The iPhone 5S as the Chinese newspaper Commercial Times names the next iPhone in their report is supposed to go into production in December.
This is pretty really and would suggest that Apple releases the next iPhone already in in late Spring of 2013. The report also says that the iPad mini with Retina Display would come a quarter after the iPhone 5S, which would mean Summer of 2013.
I am not quite buying into this rumor. I think the next big thing for Apple needs to be a major software redesign. The iPad mini with Retina display is indeed due soon. I actually expect it already in Spring and not in Summer or fall of 2013. I think that Apple keeps the yearly fall release of the new iPhone. I think that October is ideal to launch new iPhones.