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More memory: 128GB at very least
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.
Eye tracking technology
Samsung brought out eye-tracking technology to help users scroll up and down pages. Apple could take a similar approach with a high-resolution FaceTime camera (more on that in the next slide). The capability already exists loosely in third-party software form, and would be a benefit to heavy email or ebook reading users.
Image via CNET
A better front-facing FaceTime camera
We've all taken a selfie in our time, no more so than on our iPhones. But the front-facing FaceTime camera is poor at best — particularly in low-light conditions — even if it's the better camera on the market. From selfies to video calling, Apple could set the trend for high-definition video calling if it included a 3- or 4-megapixel camera in the front.