PW2 images from Amazon are complete (Main) system images.
Unpack them with Kindletool.
The "Diags" system ...
Never shipped by Amazon, make your own:
https://www.mobileread.com/forums/sh...d.php?t=289690
Now all you have to do is find someone to run the command for you.
And next time, run it for yourself BEFORE you brick your Kindle.
The maintainer of those Media Fire links passed away a few months ago.