From this point you can easily choose which process to complete next; you can boot recovery mode, wipe data, clear system or use ADB commands through your computer. (android.gs)
Please note that running ADB commands to grant bxActions further permissions it totally optional, and we've found that the app runs perfectly fine without it. (android.gadgethacks.com)
This latest build of Android 4.4.4 KitKat has firmware build number set to KTU84P and it can be installed on your device via ADB commands and the fastboot mode menu. (android.gs)