iPhone 5S: a "NEW" design and a larger screen?

The rumors about the iPhone 5S intensify even despite the distractions obtained through the CES 2013. Rumors say this time that the next generation of iPhones will have a screen larger than 4-inch LCD of the iPhone 5 and a "new" design.
As usual, this information comes from DigiTimes, so take them with caution ...
Rumors are increasingly confused as different sources are part of an iPhone "low-cost" or more models of different sizes and prices.
Although there is some logic to the argument that Apple needs to start now to differentiate its products, it does not really look like the character builder, which is known to
is generally reluctant to major changes.
Other rumors have suggested that the next iPhone will be offered in a wide range of colors and it was reported that a great change will affect the visual design of the iOS platform from Apple. Jony Ive, the head honcho of design at Apple has indeed been assigned new functions interface.
DigiTimes sources say the price of low-end iPad Mini seduced emerging markets and China, a factor that may have served as a catalyst to push Apple to introduce more variants at low prices of its products.
The new Qualcomm Snapdragon chip would also design an iPhone cost, but it would mean the abandonment by Apple of its own chips: Another big change about which one can have serious doubts.