I let my K4NT connected to the charger for more than 6 days, and the behavior is the same when I connect it to Windows XP and run MfgTool.
It is unclear from all the tutorials if on a successful MfgTool profile load, the Kindle should change its state (screen) - or reboot. Mine - as you can see in the video does nothing apparently.
I tried diags, fastboot or main .. nothing.
Unfortunately I'm overseas US and I don't know when I'll get a chance to go back to send it to Amazon .. Shipping it would cost me a far lot than buying a new one.
I'm really stuck. I could use any advice.
Thank you!
Here's what I tried: