I was using this tutorial: DOWNGRADE AND UNLOCK SAMSUNG GALAXY NOTE 2 S3 VERSION 4.1.2 AT&T TMOBILE FREE STEPS BY STEPS - YouTube
I've been trying to downgrade my Note 2 to 4.1.1 so that I can unlock it, but it's taken me a few days to track down the right firmware. It's a Korean phone from Olleh KT model number SHV-E250K. I think that the firmware I downloaded wasn't correct because when Odin was running the bootloader I got a fail message and it froze. I tried running it with firmware for this model but 4.1.2, but it is also failing. Now when I try to turn on the phone it looks like this.

Sorry it's sideways. Even though the text is in Korean, the icon warning would be for the same thing in English.
I didn't backup the firmware or anything because the tutorial didn't tell me I needed to do that. Well it's all pretty dumb on my part but I'm extremely uneducated for this kind of thing. If you can direct me to what I should do to fix this and suggest what steps to take to unlock it correctly that would be appreciated.
Thanks!
I've been trying to downgrade my Note 2 to 4.1.1 so that I can unlock it, but it's taken me a few days to track down the right firmware. It's a Korean phone from Olleh KT model number SHV-E250K. I think that the firmware I downloaded wasn't correct because when Odin was running the bootloader I got a fail message and it froze. I tried running it with firmware for this model but 4.1.2, but it is also failing. Now when I try to turn on the phone it looks like this.

Sorry it's sideways. Even though the text is in Korean, the icon warning would be for the same thing in English.
I didn't backup the firmware or anything because the tutorial didn't tell me I needed to do that. Well it's all pretty dumb on my part but I'm extremely uneducated for this kind of thing. If you can direct me to what I should do to fix this and suggest what steps to take to unlock it correctly that would be appreciated.
Thanks!