1) By trying to install the test dummy package attached to the first post of the jailbreak thread.
https://www.mobileread.com/forums/sh...d.php?t=275877
While you are there, read the two sentences immediately above the attachments.
Translation:
With the newer firmware versions, you
CAN NOT use UYK to install our packages, you must use MrPI.
You can only use UYK for an Amazon package.
Each time the system is updated, you
MUST RE-INSTALL all *.bin files plus anything else that seems to be broken.
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Since you can not follow the directions to never, ever, use the "Reset" funcition you now have to re-install the "hotfix"
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This is not a site where following the directions is optional.
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Plus you are in the wrong forum.
2) You will have to get your Kindle working in a jailbroken state before you tackle this step.