Yes, I use autodisconnect and the phone is on the 2G network almost all the time. I dont use much wifi as I have dataplan (is 3 eur/month (unlimited 384 kbps) cheap or what?), and emails are not checked. More specs: - Wifi search interval set to "never" - GPS disabled - Few widgets on the desktop (weather&stepcounter) - Bluetooth disabled Is there anything to improve? Where did you change that wifi transmit power?