Thread: Firmware Update Kindle PW2 now at 5.4.5 Kindle Touch now 5.3.7.2
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Old 10-03-2014, 11:24 AM   #42
eschwartz
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Join Date: Nov 2012
Location: The Beaten Path, USA, Roundworld, This Side of Infinity
Device: Kindle Touch fw5.3.7 (Wifi only)
Quote:
Originally Posted by ishanc View Post
I am not sure what update file are we talking about? The old firmware 5.4.3.2? Do I need any special tools if am on OSX?

Thanks
See the downgrader package here: https://www.mobileread.com/forums/sho...d.php?t=225030

Usually, ejecting a drive from a computer will cause the operating system to flush the disk cache, ensuring that the file was properly written to disk, but that would make the update fail here. So we use the command-line tool sync (it syncs the cache to disk).

Windows has a lousy command-line presence, but on linux and OSX it is a system builtin, so just go to Terminal.app and enter
Code:
sync
Then poweroff the Kindle using the hardware power button, WITHOUT unplugging.
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