I was in the same situation yesterday. Download the official Samsung KitKat, boot your phone into download mode and flash it via Odin again. After auto reboot you should be good. Then if you want you can flash the latest KitKat CWM and a few custom roms based on official Samsung KitKat. At this very moment, CM builds are not supported by the new bootloader. Don't flash them again.
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Apple iPhone 5s, iOS 7.1.