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Old 05-19-2026, 07:07 PM   #3
dcarvil
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Posts: 97
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Join Date: Jan 2024
Device: Boox Note Air 3
Quote:
Originally Posted by Hammy View Post
I have a Kindle 4 (K4, no touch, no keyboard) and have successfully jailbroken it!

I followed the directions on KindleModding.org but when I click on KUAL in my Kindle, it shows "Mobileread Kindlet Kit is not installed".

KOReader is installed but no launcher in documents.

Do you have any suggestions on how to problem solve? I am finding it hard to follow general directions since my device is so old.

Is there a way I can download books (from online public libraries) onto my Kindle without utilizing a laptop, KUAL, and KOReader? I'll be travelling for a long period of time and won't have access to a laptop.

Any advice is welcome!
I think this is the package I installed on my Kindle 4 to get past the "Mobileread Kindlet Kit is not installed" error, but it has been a while, so I am not sure - Update_mkk-20250419-k5-ALL_keystore-install

This app might help downloading books without a laptop, but it is not working for me currently. There is an open issue on the problem, but no response from the developer yet. Hopefully soon.

https://github.com/kaikozlov/acsm.koplugin

Edit - the acsm.koplugin should now be working. I you installed it previously, you will have to reinstall it. The version number was not updated for the fix.

Last edited by dcarvil; 05-21-2026 at 08:36 PM.
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