Thread: Now Kindle can set current ebook cover as lockscreen
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Old 05-23-2021, 08:08 AM   #128
sprite7
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Join Date: Dec 2014
Device: Kindle Oasis 3
Quote:
Originally Posted by sprite7 View Post
As far as I know it's proper "image/jpeg" (used online service to see mime).
Solved the problem by re-saving the cover image file. Probably some jpeg file metadata/format incompatibility. Now it's showing in sleep screen.

Used Honeyview program, CTRL+T, saving settings: do not resize, JPG 100 quality.

In Calibre: open (book) path, save the cover file as a new file, when converting epub-azw3 use the new cover file.
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