"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
AirPods and AirPower: Everything We Know
Renderings Based on Leaked Schematics Show Sapphire Glass-Backed iPhone 6 'Air'
These renderings show an ultrathin iPhone 6 that shaves at least 0.5 mm off the width of the current iPhone 5S, which measures 7.6 mm thick. The concept phone features curved edges and rounded buttons that are similar to early iPhone models. Other notable design elements include an edge-to-edge display, matte metal sides and a sapphire glass backing.
The validity of the source drawings are unknown, so these renderings may or may not be representative of the next generation phone Apple is creating. Other iPhone 6 renderings based on earlier rumors imagine the smartphone with an iPod nano-inspired design or a bezel-less, tapered form factor.
Apple is expected to unveil the next-generation iPhone sometime this Fall and may incorporate a larger display possibly made of sapphire, an improved processor and camera upgrades.