Quote:
Originally Posted by Katsunami
If you manage to downgrade, don't leave the Kindle lying around with Wi-Fi turned on (at a friend's house, for example), because it'll download the newest firmware. If there's enough battery power, it'll also install it.
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Actually, there are ways to prevent this from happening once jailbroken. I can't remember them exactly--I think one is called BackdoorLock or some such? The other is a trick that doesn't require loading anything, simply creating a folder on the Kindle root with a specific name. If I can find the post on that, I'll link to it; that's the trick I used, and my PW2 has not updated despite numerous connections to wifi, included extended periods.