Thanks Meter 294
Join Date: Feb 2013
Location: New Braunfels, TX
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Fastboot commands need to have "-i 0x1949", also you should be able to push a new ROM onto the kindle in twrp to flash using "adb push filename.zip /sdcard/filename.zip" and install from there, you either don't have an is right now or the kindle os isn't booting because its a newer version that detects twrp and doesn't let it boot up.
Sent from my Amazon Kindle Fire HD running CM10.1 Tablet UI using xda-developers app
My Wallpaper Fix for KF2, KFHD 7", and KFHD 8.9" is HERE
Please Read the instructions and use the debugger if you run into errors.
My own modified adb drivers for just about all kindles (includes old twrp and cm versions) HERE
Tablet UI Patch for latest CM10.1 build HERE