Maybe the future is no phone at all.
Microchip implanted for passport, medicare, Licence, ID, medical records and financial data.
Cop scans your hand or neck for Licence, scanned at Coles to buy milk.
Car opens as you walk up, starts once in.
Google glasses for Internet, porn and phone calls.
Security... Microchip in hand de-activated if crims chop off your hand or you die once electrical nerve impulses or blood supply no longer sensed by chip.