There are rumors of larger iPhones. The phones may even reach phablet size. MacRumors reports that the iPhones are expected to be released this fall. A Wall Street Journalstory says new bigger iPhones are coming, but that Apple won't make a curved display yet.
Mario Armstong says Apple may want to match larger phones from competitors, such as the Samsung Galaxy Note 3, which has a 5.7 inch screen. Big screens are currently more popular in Asian markets. Take a look: