1) pre-OTA update to Kitkat, using the guide that said back up to D80110c.kdz
2) loaded d80120a.kdz
3) re-rooted
4)loaded TWRP
5) tried to revert to stock Rom using UpTextEx.exe - but where it normal ask for English/Korea imput, I get a screen with the following:
Port, ESN/IMEI, Model, etc. But...