kfx with drm-protection which is virtually impossible to defeat because - even if it is broken - it can be updated by Amazon to make it unbreakable again in a matter of minutes. Starting in '23, though, Amazon released a new (entirely different, from what I understand) version of. Awhile ago they also introduced a new format called. mobi formats - was vulnerable to de-drm exploits. I wonder how long before Amazon does a hard cutoff on all old Kindle models and app versions that can be used to get around the new DRM.įirst, ALL books from the Amazon store have always been drm-protected. Then Calibre should be able to pull them from the Kindle. On each book, select download for USB transfer to put them on the old Kindle. Go to media and devices in your Amazon account. If you have an e-ink Kindle, this is what supposed to work.
(They've done this for a long time, such as when they deliberately made changes in every System and Mac OS release and update from 7.5 through 9.2 to break RAM Charger compatibility.) And Apple loves to make odd changes to OS X every so often that makes a bunch of software not work. While Windows has very broad backwards and forwards software compatibility, Apple and various 3rd parties (such as Amazon) love love love to write their software specifically to NOT work with newer releases of OS X. What surprised me was the old Android app can download the books published in 2023, which only Windows app versions released in 2023 are allowed to download. Then I was able to copy the books to my desktop and put them in Calibre. So I had to remove the SD card and plug it into my desktop's reader. But the tablet was still hiding the contents of that folder from Windows.
To get the books off the tablet I have to use a file manager on the tablet to copy them from internal storage to the SD card (I just copied the folder where Kindle saves the books). It's the last one that allows doing an ADB backup of the Kindle app and data.ĭownload a few books, pull the backup, then use that file in the DeDRM plugin in Calibre to get the Kindle key from the old app. Those previously DRM-free books now have the new DRM, even when downloaded with the older version of the Kindle app for Windows I'd been using to ensure I was getting a format Calibre could work with.Ī workaround I found is to use an old Android tablet with version 5.1 or newer and install the last revision of Kindle 4.1.6. Since I have them converted and backed up elsewhere, I deleted a few from my kindle content folder and re-downloaded. I've bought some books by authors whose books published in 2022 and before do not have DRM, but the latest by them from Amazon has DRM.
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