Quote:
Originally Posted by rantanplan
Just wondering, would it be possible to block the delivery of KFX on a jailbroken device to always receive KF8? Like spoof the firmware version?
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I'm not aware of any way to spoof the firmware, however it is possible to downgrade a jailbroken device; if the Kindle is old enough, it should be possible to downgrade it to a pre-KFX firmware version.
This being said I'm not sure what Amazon's response would be to a registered device which used to receive KFX files and suddenly can't handle them anymore, as downgrading is not a normal use case.