According to The Wall Street Journal, Apple is testing prototype iPhones with screens as large as six inch, however they are not expected to be released this year. Apple is routinely testing prototype devices and these models might never be released, but it is nice to hear that Apple is interested in testing these devices, meaning that a larger screen might be released in the future. » Apple Testing Prototype iPhones With Six-Inch Screens

Brightwire translated a report from the Chinese media site Laoyaoba.com which claims that Apple will be launching both an iPhone 5S and a 5″ iPhone 6 this year.

A source told Chinese mobile phone information site Laoyaoba.com that he has seen the iPhone 5S and iPhone 6 at Apple’s suppliers. Both models may be released in 2013, according to the website’s microblog on Thursday evening.
– The source noted that the iPhone 5S resembles the iPhone 5, and the five-inch iPhone 6 is lighter and thinner.

This is the latest of the many reports and rumors, claiming that Apple is seriously considering a larger iPhone in the near future. » Chinese Website Reports iPhone 5S & 5-Inch iPhone 6 Will Be Launched In 2013

Instapaper developer Marco Arment has created a few mockups and gives more speculations about Apple’s rumored upcoming  iPhone with a nearly 5-inch display without disrupting the existing app ecosystem. Above you see an example of what the “iPhone Plus” will look like. From left to right you see the iPhone 5, Galaxy S III, “iPhone Plus”, Galaxy Note II. » Mockups and Details Of 4.94-Inch “iPhone Plus”