3D Touch allows users to press harder on the screen to launch actions, such as replying to messages or animating live photos, instead of only selecting applications. It is possible – but not yet a certitude – as iPhone 8 to come in an all-glass case, with a flexible, “thinner form factor.” However its sale could be to more than $1,000. Three years ago, the Windows Phone 8-based Lumia 920 smartphone introduced wireless charging. Apple may choose to use its own proprietary form of wireless charging, as it did when it introduced an inductive, wireless charging solution in 2015 on the Apple Watch. Sources are claiming that the next iPhone may not have any physical buttons, instead using touch-sensitive portions of metal for the volume/lock buttons.