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Stronger glass display
Later iterations of the iPhone came with a glass front and back panel. The trouble is this more often than not led to shattered devices where it had been dropped on the floor. The glass used, dubbed Gorilla Glass, developed by Corning, gets stronger in each device iteration. But still, accidents happen and above all else, Apple knows it.
Currently the iPhone comes in three storage capacities: 16GB, 32GB, and 64GB. Apple broke the mold by dishing out an iPad with 128GB of storage. But we have yet to see a version for the iPhone. Many use their iPhones as portable media devices and want to store vast amounts of music and video content, but are restricted by the storage space.
The high-resolution Retina display packs an incredible 326 pixels per inch (ppi), making it one of the most densely displayed smartphones screens on the market. The point is that you can't distinguish from a reasonable arms-length distance the pixels on the display, unlike older models, giving it a crisp and clear-cut output. Can Apple push out a Retina-plus display to challenge some of its rivals and competitors on the market today?