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PW2 flashing system after eMMC replacement

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Hi,

I've got a non-functional kindle PW2 (sn. prefix 9017). After investigating logs on UART, I've concluded that the original eMMC is non-functional. (IO errors)
I was able to obtain SN and PCBSN. (however due to my stupidity I did not backup MAC addresses)
So I bought a new eMMC, which I replaced. eMMC seems to be working, as I was able to set back the SN and the PCBSN.

I based my approach on this thread.

I successfully compiled u-boot with the fastboot support and production version without fastboot. Then I successfully booted them via MfgTool and verified their functionality.
In order to prevent problems, I opted to flash the bootloader only after I'll be able to boot into the main system as I don't want to have bootloader without fastboot in device eMMC (I had to patch the source in order to compile it properly, due the references to non-existent functions)

In this thread I found information that the Amazon update package includes the MMC images, but when I tried to unpack the update file update_kindle_paperwhite_v2_5.8.7.0.1.bin with kindletool I've got only the u-boot binary and rootfs.img image.

I tried to dig here at the forum, but most of the published links are outdated and nonfunctional.
For example here and here.

I would like to ask if someone is able to provide me with the correct images for flashing all system partitions via fastboot or point me on how to extract them from available sources as I couldn't find any relevant sources here or anywhere else.

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Sorry if the post is a bit inconsistent, it's been a long day and I did not make any progress to the successful boot.
Thanks in advance.

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