Quote:
Originally Posted by binaryhermit
I'm also curious, I updated my freshly unboxed kindle manga (Great timing on that, eh?) to 5.10.1.1 from 5.9.4
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The exact cutoff was not disclosed to me. They did not say specifically that 5.9.7 is the only FW from which the update is safe, just that 5.9.7 was high enough to not expect any ill effects.
What happened to others was bricked devices, disappearing books, unable to download books from cloud. Maybe 5.9.x is all safe since the jump from 5.8.x to 5.9.x was pretty big under the hood. But I am not sticking my neck out. All I wanted to say is that 5.9.7 is okay, and below you need to use caution if you attempt to manually upgrade.