Cracking Open the Apple iPhone 4 Summary: Bill Detwiler disassembles the Apple iPhone 4--revealing the impressive hardware that runs Apple's fourth generation smartphone. By Bill Detwiler | June 30, 2010 -- 05:15 GMT (22:15 PDT) Follow @billdetwiler Previous | Next Image 31 of 74 The iPhone 4's lower antenna/speaker assembly is held in place by two screws. the right-side screws is easily accessible.Photo credit: Bill Detwiler / TechRepublic Topics: iPhone, Apple, Hardware, Mobility, Smartphones Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.