According to Japanese publication Nikkei, the iPhone 6 will likely launch with 4.7-inch and 5.5-inch models in September, both larger than the current 4-inch screen size of the iPhone 5S and iPhone 5C.
Although there have been multiple rumours pointing towards two iPhone 6 models launching later this year, they directly contradict the report released earlier this month.
According to supply chain checks by UBS analyst Steve Milunovich, it was believed Apple had dropped the larger 5.5-inch model from the initial iPhone 6 launch plans.
However, the Nikki report suggests that LCD panel suppliers for the iPhone 6 will ramp up production a September launch soon, quashing rumours of a June announcement.
The iPhone 6 will use a liquid crystal display panel similar to that used in the existing iPhone 5S.
Multiple sources have suggested that the iPhone 6 will have a "significantly higher" resolution than the current Retina displays.
Apple is heavily rumoured to introduce quantum dot screen technology to enhance the display of its 2014 flagship and improve colour reproduction.
Tim Cook, Apple CEO has already stressed the importance of the overall display quality, combining screen size and quality.
"We want to give our customers what's right in all respects - not just the size but in the resolution, in the clarity, in the contrast, in the reliability. There are many different parameters to measure a display and we care about all those, because we know that's the window to the software," said Cook.