I want to use my Xperia S for debugging, so I followed the OEM USB Drivers instructions step by step but still not work, I didn\'t find "Android Composite ADB Interface
Were you ever able to connect to your Xperia S with adb? If not, you should try installing Sony PC Companion:
http://www.sonymobile.com/us/tools/pc-companion/
It should automatically detect your device and install the appropriate drivers.