Thread: Kindle for pc version 1.25?
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Old 11-19-2018, 08:24 AM   #8
jhowell
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Posts: 7,099
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Join Date: Nov 2011
Location: Charlottesville, VA
Device: Kindles
Quote:
Originally Posted by stumped View Post
hopefully it it technically difficult to push such a kindle firmware update without making books on already device unreadable, and that may slow down such plans
It is very easy for old and new DRM schemes to coexist so that when the firmware is updated any books already on the device are still readable but any new books sent to the device will use the new DRM. That is how the new Kindle for PC 1.25 works.

Quote:
Originally Posted by DuckieTigger View Post
How does that new DRM effect eink Kindles, especially older ones that won't get any updates anymore?
Amazon can't use the new DRM with firmware that predates it so older Kindles and those with firmware updates blocked or without Internet access will not be affected. The latest 5.10.x firmware apparently does not support the new DRM. The next release probably will.

As far as I know the new DRM only affects KFX format and KFX can be avoided by e-ink Kindle owners running any firmware version using the "Download and transfer via USB" function from Amazon's website. Whether this will continue to be true with devices running future firmware depends on how serious Amazon is about closing DRM loopholes.
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