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Old 09-18-2021, 04:37 AM   #1
manqka05
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Device: Kindle 4
Question Debrick K4, mfgtool fails

Hello guys, help if you can.

I have Kindle 4 with software version 4.1.3.
Tried to jailbreak it by uploading the required files from kindle-k4-jailbreak-1.8.N.zip
After rebooting I couldnt see the Jailbreak success screen and I got stuck into System diagnostics and it wouldnt boot to home.
By mistake I clicked on "Install Fastboot Bundle".

I downloaded MfgTool.exe - it mentioned deleting the current profiles and putting the ones from Kindle_bootmode.zip - FAIL - I could not find this zip anywhere.

When running the MfgTool it says "No usb ports selected". When going in options -> configurations -> ports it crashes.

I am running on Windows 10 laptop with USB3.0 ports

Can you help me with further ideas?
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Old 09-18-2021, 04:54 AM   #2
manqka05
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Device: Kindle 4
In addition, the screen is turned ON. Device is no longer visible when connected to PC.
Buttons do not move the selection on the screen, so its frozzen good.
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Old 09-18-2021, 04:56 AM   #3
manqka05
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Device: Kindle 4
It is completely frozen. The screen is ON but the buttons do nothing.
Cannot even turn it off.
PC no longer recognizes it as a connected device.
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