PC Companion contains Xperia Transfer, a tool for moving content from an iPhone to your new Xperia device. PC Companion also offers device software updates, contacts and calendar management, and a backup and restore feature for your phone content (availability of applications depends on your phone and operator). You can also transfer and organize your media content using Media Go. Over time, more applications can be added and downloaded when made available by Sony or your operator. If you are looking for the Sony Xperia Mac Companion please click here. Learn more.