One of the biggest leak from the Apple's development team stated that, Apple won’t be adding the fingerprint scanner under the display. The report also said Apple will introduce a 3D face scanner in the upcoming iPhone 8. According to that a 3D scanning system will be implemented in order to replace Touch ID as a method of verifying payments, logging into applications and unlocking the device itself. Also, Apple has been working on rumored 'iPhone 8' facial recognition solution for at least 3 years. With the implementation of this technology user can unlock iPhone from various positions.
iPhone 8 will support dual vertical lens setup and reports suggested that Apple is moving away from the aluminum used in the iPhone 5, 5s, 6, 6s, 7, and SE, and will instead adopt a glass body. According to Apple supplier Catcher Technology, At least one iPhone model coming in 2017 will use a glass body and with stainless steel frame that's similar in design to the Apple Watch.
Apple will implement wireless charging (inductive/magnetic charging, as with the Apple Watch) in the next-generation iPhone 8. Also According to the Wall Street Journal, the next iPhone will ditch “Lightning connector” and come with a “USB-C” port for the power cord and other peripheral devices.
iPhone 8 will have iOS 11 running out of the box having biometric additions like facial recognition that would be used for device security. The phone will have IP68 water resistance rating and this has been confirmed by an Apple supplier.
Apple will probably unveil the three iPhone units at an event in September, we may have to wait a little longer for the iPhone 8 to hit the stores. Several analysts are now suggesting that the iPhone 8 may ship later in the year than the iPhone 7S and iPhone 7S Plus.