Quote:
Originally Posted by favero_
Does that mean that you reseting your kindle made it downgrade to the previous version? If so, then it's possible to downgrade from 5.8.9.2?
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Short answer: No and No.
Long answer (technical):
Of the little computer system devices we have with us every day, two are worth mentioning in this reply:
*) Kindle e-ink readers.
They run an Amazon custom Linux distribution based embedded system (no name, it just is).
*) Kindle 'fire' readers, most cell 'phones, many tablets, whatever you have in your pocket that you keep forgetting to recharge ...
They run a Google custom Linux distribution based embedded system (common name: Android).
There are also two common ways of making these embedded computer system devices 'survivable' out in the real world:
1) Set aside the storage space required to keep a complete, additional, known good, 'safe(ty) system'.
This is completely separate from the one that runs the device every day and may get updated from time-to-time.
Executing a: "(factory) Reset" function on a device designed like the above causes the currently executing (and possibly damaged) system to be replaced with a copy of the 'safe system'.
Then the device and the user get to start over from just like the device was when it climbed out of its shipping box.
2) Set aside the storage space required to keep two, complete, yet different, operating systems on-board. Technically known as a 'dual boot' system.
And not unlike a PC that might have both WinXP and Win7 installed at the same time so the user can choose which they want to use.
Executing a: "(factory) Reset" function on such a device only effects the one system that is running at the time. The other, independent, system is not disturbed (although it might be run to auto-fix the main system).
It this type of system, the only thing a "(factory) Reset" does is erase anything that might have been added by the user.
I.E: All it does is empty user storage (visible and hidden) and re-initialize it.
Now the easy part:
Color display Kindle (Fire) readers are run by Android, Android is the type 1 system described above.
E-ink display Kindle readers are run by the Amazon OS (not Google's) and are the type 2 system described above.
tl:dr;
E-ink Kindles do not behave the same as your cell 'phone when you press "reset".
Differently designed systems from the git-go.