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Old 11-22-2018, 04:12 AM   #106
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Quote:
Originally Posted by Chris01 View Post
reset to factory settings?
This pretty much removes the jailbreak.

No idea what other steps are required if you've installed the Rescue Packs.
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Old 11-22-2018, 04:18 AM   #107
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To finally destroy the jailbreak you should reset the device and then install official customer firmware update.
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Old 11-22-2018, 08:12 AM   #108
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KOReader

Quote:
Originally Posted by knc1 View Post
There is no known, consumer, 5.10.0.2
That must be the "factory" 5.10.0.2 that you used to jail break the device.

The "factory" firmware builds are intended for use IN THE FACTORY by the QC process.
None of our add-ins where ever intended to run on a "factory (use only)" firmware.

Update your device to the current, consumer, firmware and then try again.
https://www.amazon.com/gp/help/custo...4HPVAW86CHYHKS
If you did not skip the "hotfix" package installation, your jb will be protected during the update of the firmware.
If you did skip the "hotfix" package installation, install that before updating your Kindle firmware.

After the firmware update, re-install all of our add-ins, being certain to follow the directions for each.

You do have to push all of the buttons in the correct order, or things will not work correctly:

(Do not try that at home if you have a weak left hand.)

In the evening, I upgraded the Kindle to the latest version 5.10.2, but unfortunately KOReader still can't run, continue to flash back, I don't know if your equipment can run normally. If you can, can you share the specific steps and related tools? ,thank you for your reply!
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Old 11-22-2018, 08:51 AM   #109
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Quote:
Originally Posted by jmes2 View Post
In the evening, I upgraded the Kindle to the latest version 5.10.2, but unfortunately KOReader still can't run, continue to flash back, I don't know if your equipment can run normally. If you can, can you share the specific steps and related tools? ,thank you for your reply!
In case you missed it, we have a thread on KUAL here, see this post:
Quote:
Originally Posted by JimmyR View Post
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Old 11-22-2018, 09:27 AM   #110
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Despite my readings on this forum, I can not understand why only factory firmwares can be jailbreaked but not an updated firmware.
If this is a piece of software that Amazon adds in the updated firmware to prevent jailbreak, why not add it to factory one's too ?

What is the main technical cause that prevents to jailbreak updates firmware ?
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Old 11-22-2018, 09:50 AM   #111
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> What is the main technical cause that prevents to jailbreak updates firmware ?

Lack of known exploits.

*Guessing*, possibly very wrongly, how the process used in this thread works - It looks like factory-shipped devices are able to be flashed with non-signed builds which is what coplate abuses by creating a custom build of the firmware with a vulnerability.

---

If you care about exploiting Linux systems, you could play Linux-based CTFs to gain at least basic understanding of things. And pick up a book like TLCL.

http://overthewire.org/wargames/
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Old 11-22-2018, 09:53 AM   #112
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Quote:
Originally Posted by matko View Post
Despite my readings on this forum, I can not understand why only factory firmwares can be jailbreaked but not an updated firmware.
If this is a piece of software that Amazon adds in the updated firmware to prevent jailbreak, why not add it to factory one's too ?

What is the main technical cause that prevents to jailbreak updates firmware ?
LAB126 calls it "Downgrade Protection".
The factory use only firmware builds have other differences.
It was added to the Kindle's public (consumer) firmware builds to block one of our jail break methods.

Why would they need or want to limit the factory's Q.C. division access to the hardware?
They would be better off preventing copies of the factory firmware builds from falling out of a back window of the factory. Just the mailing cost from China is a lot to spend (none of this site's ad revenue ever shows up at this forum).

Keep in mind that these electronic devices require time to produce and in the case of a popular item, they must be produced in the 100,000s (sometimes, millions) before release to the public.

Considering that point, why do you find anything strange about having a firmware version built in time to begin using at the start of the production run and a different firmware version built in time to install after public release?
Keeping in mind that the two time points will be months apart, sometimes years apart.

If the above speculations are not enough of an answer, you will have to ask Amazon. We have nothing to do with the hardware and software development scheduling.
(We only screw with it after market.)

Last edited by knc1; 11-22-2018 at 10:04 AM.
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Old 11-22-2018, 12:43 PM   #113
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KUAL Problems

I succeeded in Jailbreak of Paperwhite4, but i have problems to install KUAL.
.azw2 doesnt anything.
BTW: I am not really familiar with English, and I donot know, how to proceed with jar (KUALBooklet.jar)

Last edited by ottischwenk; 11-22-2018 at 12:46 PM.
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Old 11-22-2018, 12:47 PM   #114
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Quote:
Originally Posted by ottischwenk View Post
I succeeded in Jailbreak of Paperwhite4, but i have problems to install KUAL.
.azw2 doesnt anything.
BTW: I am not really familiar with English
See the KUAL thread here:

https://www.mobileread.com/forums/sh...d.php?t=203326

You need the booklet version of KUAL as the latest versions of the firmware disable kindlets.

Dave
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Old 11-22-2018, 12:58 PM   #115
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Quote:
Originally Posted by ottischwenk View Post
I succeeded in Jailbreak of Paperwhite4, but i have problems to install KUAL.
.azw2 doesnt anything.
BTW: I am not really familiar with English, and I donot know, how to proceed with jar (KUALBooklet.jar)
The post you found also has a .zip with 'coplate' in it, use that one, it's not a jar.
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Old 11-22-2018, 12:59 PM   #116
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Quote:
Originally Posted by dhdurgee View Post
See the KUAL thread here:

https://www.mobileread.com/forums/sh...d.php?t=203326

You need the booklet version of KUAL as the latest versions of the firmware disable kindlets.
I know, but I donot know, how to use it - what to do with KUALBooklet.jar and what to do with KUALBooklet-coplate-d20a095-20181108.zip?
I think, Update_KUALBooklet_d20a095_install.bin must be placed in a Folder mrpackages, but what to do with KUALBooklet.jar?
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Old 11-22-2018, 01:58 PM   #117
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Nothing, leave it alone.
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Old 11-22-2018, 02:23 PM   #118
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Quote:
Originally Posted by knc1 View Post
Nothing, leave it alone.
When entering ;log rpmi then: no user script found
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Old 11-22-2018, 04:20 PM   #119
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@ottischwenk: Typo! That's ;log mrpi (and not rpmi) .

EDIT: Two answers for the price of one! .
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Old 11-22-2018, 04:21 PM   #120
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Quote:
Originally Posted by ottischwenk View Post
When entering ;log rpmi then: no user script found
Try:
;log mrpi

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