SONY Xperia 系列手機在官方論壇被踢爆偷傳資料到中國伺服器
If you own a Sony smartphone either the Android 4.4.2 or 4.4.4 KitKat firmware then inadvertently you may be transmitting your data back to the servers in China, even if you haven’t installed any application.
http://thehackernews.com/2014/10/sony-xperia-devices-secretly-sending.html