One of the guys at work has issues with his SE Xperia Neo. As soon as he enters the office his phone connects to the Wi-Fi modem/router and it is downloading data. There is a XN app that monitors the data usage, and it shows there is data being downloaded on the Wi-Fi part. When he is at home it only use data when ever he browses the net of view e-mails on the phone. He is running Android version 2.3.4. I'll have to get back about the brand and model of the Wi-Fi modem/router at the office.