Parts made by smartphone rivals Samsung and Sony are reportedly inside the iPhone. Sony’s reported $20 per iPhone Sony is the world’s largest supplier of image sensors in digital cameras and, according to the respected Wall Street Journal, two Sony-made image sensors and related parts are contained in each iPhone 6. It reportedly generates as much as $20 (£13.10) per phone for Sony. Sony-built components are also in Samsung’s Galaxy S6, according to the same recent report. Samsung-made chips inside iPhones?…