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Old 05-20-2026, 04:47 AM   #1
devster
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Help with Kindle KUAL install

Hello,
I'm fairly new to the jailbreak stuff and I tried following the current guides with little success.
I have a very old Kindle bought in Italy, model number is D01200 and S/N starts with B011 which from the wiki seems to be a K5/KT (WiFi only).
The device is currently "unregistered" with Amazon.

As far as I can understand it's currently on the latest FW version released by Amazon for the device (5.3.7.3) and I followed instructions to install the JailBreak downloading the following file from Snapshots:
Code:
K5 JailBreak (5.0.x - 5.4.4.2) | kindle-jailbreak-1.16.N-r19426.tar.xz | 2024-Apr-21 13:37:00
and copying JUST the content of the
Code:
kindle-5.4-jailbreak
folder to the root of my device, operation successful. No other files were moved anywhere on the device.

At this point I have the following folder structure:


Afterwards I tried copying the KUAL-KDK-2.0.azw2 to the documents folder but when opening it crashes with the following log:
Code:
com.mobileread.ixtab.kindlelauncher.KualKindlet: Class not signed by valid developer certificate
What am I doing wrong.

Among other questions I have are:
  • I saw several references to the helper menu which should show Install MR packages which I have no idea where to find
  • the
    Code:
    ;log mrpi
    command doesn't seem to show any output at all
  • I don't understand whether it's safe to turn on WiFi as it seems I'm on the latest possible FW version, or if there are newer ones for my model
  • do I need to register with Amazon my device for it to work?

Thank you to any kind soul who'd be willing to help.
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Old 05-20-2026, 07:19 AM   #2
shamanNS
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;log command is setup by jailbreak hotfix. You didn't mention installing the hotfix.
Also if you'd use "universal hotfix" but use the hotfix downloaded from Snapshots thread you will need to also install this DevCerts installed to update developer.keystore / MKK.

https://www.mobileread.com/forums/sh...postcount=1295

(use "K5 ALL" bin)

I keep forgetting if Kindle Touch supports "booklet" version of KUAL?? If it does you should use that instead of "kindlet" / azw2 file. Booklet KUAL works better on my old PW1.
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