PC Companion contains Xperia Transfer, a tool for moving content from an Microsoft Windows XP SP2 (32 bit), Vista (32/64 bit) or Windows 7. Hi, I am using Win I use PC Companion to update my Xperia Mobile Phone to the latest version of android, Win came back with error message:" can not. This software allows the users of Sony Xperia to backup information; handle all their update among other functions from their computers. Xperia™ Companion for PC and Mac lets you update, repair and back up your Sony Mobile Xperia™ device. Download Xperia™ Companion here. Xperia Companion latest version: Upgrade your phone with Xperia Companion. Simply put, Xperia Companion runs on your PC and lets you have better. Download Sony Xperia PC companion freeware to manage Xperia mobile device . Windows version supports Microsoft Windows 7, Windows 8,Windows adopteesofcolor.org . Message on MS Support says "Microsoft Security Advisory: Insecure. Sony PC Companion is a collection of tools and applications you can use Microsoft® Windows XP™ SP3 (32 bit), Vista (32/64 bit) or Windows 7 (32/64 bit) or.