Hi My N900 rebooting too.. after NSU update (Poland) Start flashing.... v. 3.2010.02-8 - not help v. 2.2009.51-1 - not help v. 1.2009.42-11 - not rebooting, but SIM card not working, media player not working... etc.. Wi-Fi ok.. but WiFi update to v. 3.2010.02-8... rebooting