I've had my Kindle Colorsoft for about 10 days, running firmware 5.18.0.1.
I have a large library of documents in the cloud and for the first week everything worked fine. I had no problem downloading and opening dozens of files.
But last Friday I noticed that my Colorsoft
can't open certain MOBI files downloaded from the cloud.
Quote:
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An error occurred. If you purchased this item from Amazon, remove the downloaded item and download it from the Cloud.
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What files are affected: Hybrid MOBI files (old MOBI + KF8) created with Calibre or KindleGen.
These files also do not open when I copy them to the Documents folder.
If you want to reproduce the bug, here's a sample public domain file:
https://wolnelektury.pl/media/book/mobi/krzyzacy.mobi
The file is in Polish, but many Humble Book Bundle titles do not work either (e.g. Python books from No Starch Press).
What still does work:
- Files sent as EPUB via Send To Kindle in the last 2 years
- Pure old MOBI files
- eBooks purchased from the Kindle Store
Rebooting and resetting the device didn't help.
Is anyone else experiencing the same bug? If all Kindles have it with 5.18 software, it would be catastrophic for people with large libraries.