Thread: Last Kindle Fire OS Version without KFX support
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Old 12-25-2022, 10:56 PM   #1
Fat Abe
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Last Kindle Fire OS Version without KFX support
Would this be Fire OS version 4 or 3? I read that anything produced from 2013+ and onward supports KFX due to it either being built into the shipped reader, or updated into the reader via wireless. This is an historical list of Fire models and the last OS that they carry.

https://developer.amazon.com/docs/fi...t-devices.html
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