Apple has a major iPhone redesign planned for 2017, with a glass body and edge-to-edge OLED display that does away with the Home button and perhaps replaces Touch ID with a new facial recognition system. The new iPhone may be sold alongside upgraded (but standard) 4.7 and 5.5-inch iPhones.
-5.8" OLED display
-Faster A11 processor
-Glass body
-Edge-to-edge display
-Facial Recognition, perhaps replacing Touch ID
-No Home button
-Wireless charging
-Three models - One OLED, two standard
Sources: https://www.macrumors.com/roundup/iphone-8/