Cannot open KUAL; The permissions to open this item have expired. Please contact... - Page 3

shamanNS · 02-27-2026, 04:56 PM

It did. First first: Delete that azw2 files from "documents" folder on your Kindle.

Second: Then take "Update_KUALBooklet_XXXXX_install.bin" file from the archive you downloaded from NiLuJe's Snapshots thread and copy it to "mrpackages" folder > eject from computer > install it by using ;log mrpi.

https://www.mobileread.com/forums/sh...d.php?t=225030

I just can't recall the information from which firmware users should use "KUAL (coplate)" installers instead of regular, older version.
It's been more than a decade since I sold my PW1.

Kindleschokolade · 02-28-2026, 04:27 AM

Aahhhh.
Thanks so much!
Very happy camper here, indeed.

myxdac · 04-25-2026, 07:55 AM

Hello,

New user here; I have this issue too.

My Kindle was unlocked years ago; today I tried to use it, and got the error mentioned in the thread.

I've installed the update "Update_mkk-20250419-k5-ALL_keystore-install.bin"; the only one that did activate the kindle update menu, and since then I have a different error message:

> This item is not signed by an authorized developer. Please contact the developer

Does anyone have an idea how I can troubleshoot it?

shamanNS · 04-25-2026, 10:50 AM

Do the same thing @Kindleschokolade : replace KUAL kindlet with KUAL booklet version.
Honestly, I don't understated why anyone besides Kindle 2, Kindle 3 and Kindle 4 owners keep using that azw2 ( = kindlet) version of KUAL when they don't have to.

myxdac · 04-25-2026, 12:41 PM

Quote:

Originally Posted by shamanNS

Do the same thing @Kindleschokolade : replace KUAL kindlet with KUAL booklet version.
Honestly, I don't understated why anyone besides Kindle 2, Kindle 3 and Kindle 4 owners keep using that azw2 ( = kindlet) version of KUAL when they don't have to.

I guess I'm doing it wrongly.

I've downloaded KUAL-v2.7.37-gfcb45b5-20250419.tar.xz , but none of the install.bin files are recognized as updates.

myxdac · 04-25-2026, 12:48 PM

I've also created the mrpackages folder, dropped a install.bin file, and executed ;log mrpi, but nothing seems to happen

Hag_Sub · 04-25-2026, 03:58 PM

Accurately speaking well we should always use the document: xxx.kual like xxx can be anything **Yes if you by mistake delete kual booklet then you can just go to notepad create a empty txt file and rename it to kualorsmth.kual** premises we are on latest kual version

Don't forget to put it into documents folder*

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02-27-2026, 04:56 PM	#31
shamanNS Wizard Posts: 1,179 Karma: 12360286 Join Date: Feb 2010 Location: Serbia Device: Kindle PW5, Kobo Libra 2, Kindle PW1	It did. First first: Delete that azw2 files from "documents" folder on your Kindle. Second: Then take "Update_KUALBooklet_XXXXX_install.bin" file from the archive you downloaded from NiLuJe's Snapshots thread and copy it to "mrpackages" folder > eject from computer > install it by using ;log mrpi. https://www.mobileread.com/forums/sh...d.php?t=225030 I just can't recall the information from which firmware users should use "KUAL (coplate)" installers instead of regular, older version. It's been more than a decade since I sold my PW1.

02-28-2026, 04:27 AM	#32
Kindleschokolade Connoisseur Posts: 66 Karma: 14 Join Date: Dec 2021 Device: kindle PW3	Aahhhh. Thanks so much! Very happy camper here, indeed.

04-25-2026, 07:55 AM	#33
myxdac Junior Member Posts: 3 Karma: 10 Join Date: Apr 2026 Device: Kindle Touch	Hello, New user here; I have this issue too. My Kindle was unlocked years ago; today I tried to use it, and got the error mentioned in the thread. I've installed the update "Update_mkk-20250419-k5-ALL_keystore-install.bin"; the only one that did activate the kindle update menu, and since then I have a different error message: > This item is not signed by an authorized developer. Please contact the developer Does anyone have an idea how I can troubleshoot it?

04-25-2026, 10:50 AM	#34
shamanNS Wizard Posts: 1,179 Karma: 12360286 Join Date: Feb 2010 Location: Serbia Device: Kindle PW5, Kobo Libra 2, Kindle PW1	Do the same thing @Kindleschokolade : replace KUAL kindlet with KUAL booklet version. Honestly, I don't understated why anyone besides Kindle 2, Kindle 3 and Kindle 4 owners keep using that azw2 ( = kindlet) version of KUAL when they don't have to.

04-25-2026, 12:48 PM	#36
myxdac Junior Member Posts: 3 Karma: 10 Join Date: Apr 2026 Device: Kindle Touch	I've also created the mrpackages folder, dropped a install.bin file, and executed ;log mrpi, but nothing seems to happen

04-25-2026, 03:58 PM	#37
Hag_Sub Doingsmth Posts: 46 Karma: 10 Join Date: Mar 2026 Device: Kindle PW	Accurately speaking well we should always use the document: xxx.kual like xxx can be anything Yes if you by mistake delete kual booklet then you can just go to notepad create a empty txt file and rename it to kualorsmth.kual premises we are on latest kual version Don't forget to put it into documents folder*