Quote:
Originally Posted by JSWolf
I don't know if this will apply to Kobo, but it might help.
When I update an eBook on my T1, I don't send it to the T1 via Calibre, I just copy the new version over the existing version so all files that contain the information about this book won't be modified. On;y the copy of the eBook will be changed. Then When I go back into the eBook, the T1 keeps me at the page I was in before I updated.
Try just copying the fixed version over the unfixed version and see what happens.
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Better don't do that as it doesn't work and avoid an unpleasent surprise that a book seems to be not present on the reader or can't be opened/read.
I do edit normal epubs (not kepubs) to fix problems, mostly OCR problems.
But simply copying the updated version over the old version does not work.
When you do this the book seems to be gone, as it is not present on the ereader. It sure is, but it is removed from de database (or there is no match between the updated book and the info in the database).
Older firmware versions
Or copying a book over an existing book is not guaranteed to work, as I do remember it sometimes did but not always. Note this behaviour occurred with now very old firmware releases. If it didn't work then the book seemed to be disappeared from the reader (that is the same behaviour as I described above). Or, it showed the book on the home page but without the cover image. It only showed the standard 'fall-back' cover for kepubs and epubs, that is some boxed text like "Kobo kepub" or something similar for a regular epub. The cover image from the book was not recreated.
But then it was not possible to open the book and a message was shown that said something like "This book can not be opened".
Why it sometimes did or didn't work I don't really know. I guess, if the modifications are very minimal it might work, otherwise it probably fails.
The solution that does work is.
1. remove existing the book from your reader. This option to remove books is present in the library.
2. Connect your reader to a computer and copy the updated book to your reader. After the database is updated you can read the book.
If you prefer to remove books when the reader is connected to a computer, then you should disconnect it first (to update the database on the reader) before you connect the reader again to copy an updated version of the same book.