Has the evolution of the phone come to an end? Experts fear innovation is being held back due to limits about size and battery life

Nearly a decade after the iPhone broke the mould, is the evolution of the smartphone finally come to an end? Industry experts believe innovation is giving way to phone functions popping up as software or services in devices from cars to fridges and to watches and jewellery. Even Apple now treats older, smaller 4-inch screens as something new. And analysts and product designers said fresh breakthroughs are running up against the practical limits of what's possible in current hardware in terms of screen size and battery life. Industry experts believe innovation is giving way to phone functions popping up as software or services in devices from cars to fridges and to watches and jewellery.