Was updating my standard, stock UK T-Mobile GS2 through Kies, following it exactly. It was downloading and then it said when it began updating, that the connection has been lost (with the phone) It was from PDA:KE3 / PHONE:KF1 / CSC:KE3 to PDA:KE3 / PHONE:KF1 / CSC:KF1. It then came up with the prompt to disconnect the cable, then battery, then replace battery and turn on and then try again. BUT should I do this? BECAUSE my GS2 has the Android robot and says "Downloading" "Do not turn off target!!" on it? It's been doing this for the past 30 minutes or so. Any help is greatly appreciated.