Quote:
Originally Posted by Ken Maltby
Hmm... it looks like you own a couple of the Kobo devices, so you can certainly provide information on their workings and your experience with them but where did you get the idea that all other devices function as you describe? You didn't
mean to say that the "Micro-SD" cards themselves are causing the creation of thumbnails, I hope.
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No, it's how Kobo handles microSD cards and I said nothing about other devices. Before a relatively recent firmware update (2.3, I think it was, might've been a 2.1.x), it used to create a thumbnail for books on microSD cards as soon as they were detected and scanned, and stored those thumbnails for future use in the Kobo's internal storage. After the update, it stopped storing them and instead creates the thumbnail (which, of course, has to be read from the file) every time it's needed. That causes a lot of extra battery drain.