Quote:
Originally Posted by Deane
I've been doing some Googling, and it seems that Amazon might do some voodoo when the MOBI is uploaded to KDP. It seems that the "book" customers purchase and download is not necessarily the same as the "document" I uploaded in an attempt to preview my book.
Is this true? Is there a chance that Amazon will actually deliver a more advanced (KFX?) version of my MOBI to purchasers?
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No, they don't deliver the mobi file.
They recommended I use validated epub2 for upload rather than any sort of mobi or doc or docx.
If people get KFX (which is a nasty format), then they get all the enhanced KFX rendering. The Kindles COULD do the same popups, (optionally page numbers) and enhanced rendering with EXISTING AZW/KF8 , but Amazon hasn't enabled it in the firmware / apps. KFX is really about reducing Whispernet costs and increased DRM, even when a Publisher has requested no DRM.
The SAME user with same model Kindle may receive KFX OR azw/KF8 or both by using either direct (KFX over WiFi or Mobile) or Download to PC (actually ANY device and OS able to do downloads and be a USB host). Assuming the Firmware supports KFX or AZW. Earlier Kindles always get mobi files (but simple ones without KF8 info).
The Download option so far only gives azw/KF8 to later kindles and mobi (KF7?) to earlier kindles. Don't know about the apps, not used them for years.