Kindle Fire rapid battery drain
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To find out, you will have to install GSam Battery Monitor and see exactly what app is using your battery energy. It could be a different app and not Logos at all. If it shows that Com.nokia.odnp.service is using the energy, then Location Service is active and you cannot shut it down. You can install GSam from here:
Had that app installed previously. Android OS used 99% of the battery power. Average battery life was 8 hr 8 min. Perhaps she has a different definition of "rapid" than someone else might have [:D].
What kind of average should we expect from the battery?
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If Android OS is using 99% of battery power, something is wrong. See my post up above for my app usage. There should be lots of apps using power unless nothing is installed. My last cycles got 8 hours to 12 hours active time. Thus, your battery life seems the same as mine. I don't see anything wrong there. The main screen of GSam should show Active Time, Screen time and percent of usage, WiFi active time and percent, held awake time and percent, Bluetooth time and percent and app usage time and percent. Tap the app usage time and all your apps should show there with percent of battery usage. There should be lots of them shown.
If App Usage shows over 50% and almost all is in one app, then that is the problem. If you don't need that app, uninstall it or shut it down after using it. If Logos turns out to be the culprit, just shut it down after every use manually (not just exiting).
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Ny kindle fire hdx worked fine the first week.
Then suddenly The batterylife went from 10 to 3 hours.
The cause was this:
Android scans the files on The device.
IF there is one or more corrupted or zero sized files, the 'mediascanner' get stuck and keeps the device working overtime, also when asleep.
Sam battery monitor can tell if the media system is the major battery killer.
If that is the case, use a filemanager like Total Commander to look for files that are 0 kb.
I found one in Android/data/ logos~something.
Delete the file, and problem solved.
Why Android and/or Amazon have known of this in at least 2 years without finding a solution is one of the mysteries in the World.
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As time goes by ... there's always something to learn[:^)]
I've tested the logos-installation with 6 books installed for offline use, and 1000 books for offline use.
But I have only counted the files on the tablet with 6 books installed. The count is: 1049 files ! in the logos-directory.
That gives approx. 174,000 files when I install 1000 books for offline use.
This is a problem with Android, as the Mediascanner has to go through that file structure to register changes.
That lot of files will make the Mediascanner work day and night, and result in battery-drain.
Solution: Do not download many books.
BTW: My other post about corrupted files and zero sized files is still correct.
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