i am sim free and vodafone ireland,but i find that program kies is very bad when i go to firmware update it doesnt show what firmware i have at the min just no responce to server bullshit i dont think its working right on my computer,im in no rush to update but didnt want to install a whole lot of apps then have to wipe them off.also the other program nps firmware update dosent show my phone on the list just greyed out which i find strange