How long are you waiting while it is at 0%? When I updated mine using Kies it stayed there for 30 plus minutes before continuing.

 

I had to turn off WI-Fi before it would update, Kies must be just about the worst program ever! Phil

 

is it not possible for u to do a OTA update? Much easier then trying to get kies to work the way it should. Like GTWalling said try waiting for a bit and see if it works otherwise there is another option which i normally use, u can go to SamMobile Firmware Page and download the firmware and flash it to ure phone via odin. If u need any further help let me know.

 

I am having the same issue. I have let it sit for 6+ hours but no change. Kies is not frozen, computer shows it chugging but it is not making progress. I have tried multiple times. WiFi, data off. Even tried firewall off and PC virus off. I am using a dell xps14 i7 windows 7.

Any help is appreciated. I have 3 phones to do!

AT&T so no OTA.

 

What witness says...

 

Just ran with success thru Kies using an old computer running xp. Not sure why but the update went smooth in about 45 minutes. Now onto the other two g3s I have to update!