I've had my Kobo Glo for about 12 hours now. Although it seemed to take forever to update, with the screen doing a lot of worrisome flashing, it never once froze up on me. Mine is also on version 2.10.0 and I have the same light at less than 10% bug. I hadn't discovered it myself yet, but sure enough, any setting less than 10% causes the light to not turn back on while the setting says it's at 1%. I had to turn it up to get it to come on.
I also have a fair amount of ghosting despite it being set to refresh at every page turn, with the light on or off. Not sure if that's normal or not, but it's not a deal-breaker for me.
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