It has now been all but confirmed that Apple will release three iPhones in 2017. Two of these are expected to be upgrades of the iPhone 7 and, it's larger brother, the iPhone 7 Plus. Alongside this, Apple are expected to debut another new phone, this being the iPhone 8, or some people are speculating that it may be called the iPhone X in celebration of the iPhone's 10th anniversary. The iPhone 8 or X will have an OLED screen measuring a massive 5.8 inches.
The iPhone 8 or X will have an OLED screen measuring a massive 5.8 inches. This means that the iPhone 8 would not only have the largest screen of any iPhone ever produced, but it would also have the largest screen of any smartphone currently on the market, although the Samsung Galaxy S8 and S8 Plus will likely change that.
On top of this, Apple are expected to shrink the top and bottom bezels of the device, this would make it even smaller than the iPhone 7 Plus overall but with a larger screen. Part of this large new screen will include a function are which will replace the home button.