The next-generation iPhone will launch on September 6th, according to German Apple website iFun [Google Translate]. The site does not have a significant track record with this sort of prediction, however. Earlier this week, KGI Securities analyst Ming-Chi Kuo said the low-cost iPhone and the iPad 5 would ship in early September with the iPhone 5S coming later because of production difficulties. Kuo has had an excellent track record in recent years. A