Thread: Firmware 4.22.15190
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Old 07-04-2020, 11:42 PM   #26
davidfor
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Posts: 24,905
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Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by monic39 View Post
I've deleted this update already. Huge battery drain on my Libra. (wifi and sync. off, no sleepcover etc) 1 hour reading on 4% light and the battery went from 88% to 62% Way too much for 1 hour reading
I know you are finished with this firmware, but...

I am not seeing any issues with the battery runtime on any of my devices. They are all running 4.22.15190. I've read for quite a few hours on both the Libra H2O and Clara HD and they are both fine. The others have mainly been sleeping. Again, no issues.

But, it isn't uncommon for people to report high battery usage after a firmware update. Rebooting the device usually fixes this. It probably means a process was started as part of the upgrade and hung for some reason. The restart kills it.

It's also not uncommon for something like this to be triggered by a particular book. Some have problems in them that when they are opened and closed leave a process behind. A reboot is needed to clear the process. And fixing the book stops the problem from happening again.
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