[Q] Firmware upgrade encountered

So, this all started last year when i wanted to disable updates. For the life of me, i cant remember what i did but there have been no updates. Recently, I have been getting the OTA notification to update. So i did that and when it installs it gives an error at 26%. My phone is rooted and has USB debugging on so i put it in download mode and tried to use ODIN to update it with both the stock firmware and KitKat. they both failed. Today, I tried to do it again but added the file to BL instead of AP in ODIN. Now my phone gives the "Firmware upgrade encountered an issue" screen. I tried to use Kies to fix it but it doesnt connect when this screen is up. When i restart the phone in download mode, then my computer detects the device.

I have a ATT gs4 model SGH-I337

Please HELP!

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