A look at Apple's quest to build key device components in-house, including a cellular modem and other wireless chips, displays, batteries, and camera sensors (Mark Gurman/Bloomberg)

Mark Gurman / Bloomberg:
A look at Apple's quest to build key device components in-house, including a cellular modem and other wireless chips, displays, batteries, and camera sensors  —  This week, we go inside Apple's quest to replace every major part of the iPhone with an in-house design.