
: Re: How to confirm if ePub is DRM'ed ? Kobo Aura HD possibly refusing to read DRM-free ePub I've got an ePub file that I'm quite certain has no DRM on it. It's a DRM-free book bought from O'Reilly.
I had the same problem with my kobo glo HD with that epub docs.spring.io/spring-boot/docs/2.0.0.M5/reference/epub/spring-boot-reference.epub It's drm free.
but not with that one and many other epubs :
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/epub/7.4_release_notes/Red_Hat_Enterprise_Linux-7-7.4_Release_Notes-en-US.epub
I have tried to download from kobo web browser, upload from my computer many times and it was not working so I did a check on
validator.idpf.org/
and it tells me content.opf were missing. I checked it by my self and the path was incomplete in the META-INF/container.xml file.
So I wrote the full path to content.opf did a new check then upload the file on my kobo again and it works.
Free books android app tbrJar TBR JAR Read Free books online gutenberg
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