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Old 03-10-2026, 01:13 PM   #16
JSWolf
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Quote:
Originally Posted by texasnightowl View Post
FYI, in the github for nodrm, there are a couple reports currently that kindles on firmware 5.16.2.1.1 are having issues as of 2 or 3 days ago. This includes 7th gen PW and up to 9th gen Oasis 2. The github nodrm maintainer was able to replicate the problem themself. If I'm reading the github threads correctly, there appears to be a key being used that is not tied to the serial number anymore.

So...this advice may have to change.
I've not connected my PW3 to the net in a while. I'm not sure what firmware it is running. I just hope it's an old enough firmware.
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Old 03-10-2026, 05:58 PM   #17
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Quote:
Originally Posted by texasnightowl View Post
FYI, in the github for nodrm, there are a couple reports currently that kindles on firmware 5.16.2.1.1 are having issues as of 2 or 3 days ago. This includes 7th gen PW and up to 9th gen Oasis 2. The github nodrm maintainer was able to replicate the problem themself. If I'm reading the github threads correctly, there appears to be a key being used that is not tied to the serial number anymore.

So...this advice may have to change.
Yes. Can confirm, am no longer able to use Oasis 2 running v.5.16.2.1.1 to access KFX files. I get KFX-ZIP now.

If Amazon can change the DRM upon delivering ebooks to a 2017 device without updating the firmware, there's every reason to think they can potentially do the same for other old devices.
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Old 03-10-2026, 06:08 PM   #18
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Originally Posted by graycyn View Post
Yes. Can confirm, am no longer able to use Oasis 2 running v.5.16.2.1.1 to access KFX files. I get KFX-ZIP now.

If Amazon can change the DRM upon delivering ebooks to a 2017 device without updating the firmware, there's every reason to think they can potentially do the same for other old devices.
I don't think Amazon can change the DRM for Kindles that do not receive KFX. The PW2 is the oldest Kindle that supports KFX. I don't know if Amazon can update the DRM for firmware earlier then 5.16.2.1.1. If that is the case, that would leave the PW2 as the only Kindle able to download KFX that can have the DRM rmeoved.
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Old 03-10-2026, 06:11 PM   #19
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Quote:
Originally Posted by graycyn View Post
Yes. Can confirm, am no longer able to use Oasis 2 running v.5.16.2.1.1 to access KFX files. I get KFX-ZIP now.

If Amazon can change the DRM upon delivering ebooks to a 2017 device without updating the firmware, there's every reason to think they can potentially do the same for other old devices.
Yeah...I'm definitely worried that my Oasis 3 on 5.18.2 and PW5/11th gen on 5.18.3 are next.

Hopefully my K5 on 4.1.4 though is so old that it is safe. Though I wouldn't bet against Amazon just deciding one day that they will no longer deliver to those azw3 (non-kfx) devices.
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Old 03-11-2026, 09:30 AM   #20
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Old Yesterday, 10:03 AM   #21
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Originally Posted by JSWolf View Post
I've not connected my PW3 to the net in a while. I'm not sure what firmware it is running. I just hope it's an old enough firmware.
The Paperwhite 3 (7th generation) is too new. If it gets the latest update, Calibre can't do deDRM. 6th generation down to 3rd generation works. It's possible the basic 7th gen kindle (not PW) also works since it has the same software version number as the 6th. https://www.pocket-lint.com/amazon-c...older-kindles/
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Old Yesterday, 10:34 AM   #22
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Old Yesterday, 11:18 AM   #23
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Originally Posted by vermontcathy View Post
The Paperwhite 3 (7th generation) is too new. If it gets the latest update, Calibre can't do deDRM. 6th generation down to 3rd generation works. It's possible the basic 7th gen kindle (not PW) also works since it has the same software version number as the 6th. https://www.pocket-lint.com/amazon-c...older-kindles/
I've not had WiFi on in a log time. I'll have to give my PW3 a try and see if it still works with side loaded KF8.
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Old Yesterday, 03:09 PM   #24
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My PW7 running v.5.16.2.1.1 now downloads KFX-ZIP files for 2 new ebooks. After purchasing the books and identifying that they indeed download KFX-ZIP I returned them immediately. Previously this same PW7 downloaded purchased books that allowed DRM to be removed.

For me, this is the last straw for AWS. If I cannot find a source where I can purchase a book and allow for reading on my platform of choice, I will no longer be purchasing ebooks. Right now the only platform I've found is Kobo.
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Old Yesterday, 04:24 PM   #25
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My PW7 running v.5.16.2.1.1 now downloads KFX-ZIP files for 2 new ebooks. After purchasing the books and identifying that they indeed download KFX-ZIP I returned them immediately. Previously this same PW7 downloaded purchased books that allowed DRM to be removed.

For me, this is the last straw for AWS. If I cannot find a source where I can purchase a book and allow for reading on my platform of choice, I will no longer be purchasing ebooks. Right now the only platform I've found is Kobo.
What I'm seeing is that some (but not all) recent purchases are not available for download or delivery to my PW10th gen ('not compatible' when I try download).

I cannot say when this started happening or if some non-recent purchases are as well. I only resort to using this when Kindle for PC is 'not compatible' or downloads AZW3 instead of KFX (I have not set up Sats' latest yet).

I've been seeing some really weird 'not compatible' with K4PC (apart from recently published books), but rarely: in one case it was a very old purchase and even public domain material.

It's not clear to me Amazon is instituting this or the publishers are going through their titles and blacklisting old Kindles (or older versions of Kindle for PC). I don't see a consistent pattern.

If you can download them, you should be able to decode them - at least that is my experience to date.

Make sure you allow a little extra time before you plug into USB so they are fully downloaded, and of course verify the serial number is still configured for the plugin.

Google Play Books might be another alternative, but in my limited experience Kobo downloads have cleaner HTML/CSS (though they don't pass epubcheck without a couple of edits).

Last edited by tomsem; Yesterday at 04:48 PM.
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Old Yesterday, 04:44 PM   #26
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My PW7 running v.5.16.2.1.1 now downloads KFX-ZIP files for 2 new ebooks. After purchasing the books and identifying that they indeed download KFX-ZIP I returned them immediately. Previously this same PW7 downloaded purchased books that allowed DRM to be removed.

For me, this is the last straw for AWS. If I cannot find a source where I can purchase a book and allow for reading on my platform of choice, I will no longer be purchasing ebooks. Right now the only platform I've found is Kobo.
There is no such Kindle as the PW7. If you mean Paperwhite 7th Gen, that would be the PW3.

Given that Amazon has now changed the things for firmware 5.16.2 on up, any Kindle that's able to run that firmware or later is screwed for be able to be used for DRM removal.
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Old Yesterday, 04:46 PM   #27
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my PW10
That's the PW4. There is no PW10.

Quote:
Google Play Books might be another alternative, but in my limited experience Kobo downloads have cleaner HTML/CSS (though they don't pass epubcheck without a couple of edits).
When you are downloading from Kobo, if you want the cleanest code possible, download as ePub and not KePub. However, if the ePub has no DRM, the ePub will be KePub and you can use the Modify ePub plugin to remove the KePub code. There is one thing to note. When downloading a DRM-Free KePub, it seems the graphics get a heavy handed recompression (keeping the same resolution).

Last edited by JSWolf; Yesterday at 04:50 PM.
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Old Yesterday, 04:50 PM   #28
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That's the PW4. There is no PW10.



When you are downloading from Kobo, if you want the cleanest code possible, download as ePub and not KePub.
I go with what the device itself says it is. Have updated post for 'clarity'.

Yes, direct download is cleaner but still don't pass epubcheck. But I've only purchased maybe a dozen books from Kobo.
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Old Yesterday, 06:13 PM   #29
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I go with what the device itself says it is. Have updated post for 'clarity'.

Yes, direct download is cleaner but still don't pass epubcheck. But I've only purchased maybe a dozen books from Kobo.
If you mean downloading KePub, you don't want that. You want to download ePub. But if you download DRM-Free, you will get KePub. If you want ePub, you can use Modify ePub to remove the KePub code. I have seen some retail ePub that have errors. Most don't though. Some may have error(s) because there were checked with an older version of epubcheck and the current version changed something.

As for the device name, what we know the !0 gen Paperwhite as is the PW4. If you go with PW10, that can easily be confusing. Not many will know which Kindle that is.

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Old Yesterday, 06:38 PM   #30
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But if you download DRM-Free, you will get KePub. If you want ePub, you can use Modify ePub to remove the KePub code.
That's not my experience. I've always gotten pure epubs with DRM-free ebooks, without any kepub code. I tried again just now with 3 DRM-free books in my library - downloaded them, imported to calibre and ran the Modify Epub plugin with the option of removing kepub artifacts checked. In all three cases the plugin informed me that nothing was changed, because the books had no kepub code.
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