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I have a battery drain issue with a stock Nexus-7 (2013), Android 6.0.1, up to date with monthly patches. The battery is losing 15-20% overnight. Turning WiFi off overnight doesn't reduce it, or not much. The top consumer is just called "10017".

Some background - A recent version of Sygic Navigation was showing high battery usage even when I didn't use the app. I couldn't keep it from running. After exiting it, or after force-stopping it, I would shortly find it running again. I deleted the app but kept its user folder. Maybe related?

I keep Google Account Manager and Google Play Store disabled when I'm not actively using them. This is not new; I've done it since shortly after the tablet was new.

I installed the August patches a few days ago; the tablet was rebooted by that process. The battery issue predates that update.

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How can I find out what it (10017) is?

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    I had already uninstalled Sygic knowing that it had been a culprit, but it is not the current one (10017). Device is not rooted and I haven't installed, setup, etc, ADB. Currently backtracking through my (own) log looking for other updates that might be responsible. I appreciate your advice. – JRobert Aug 22 '16 at 11:56
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Try going to Settings > Storage & USB > Explore to see if you can find/delete anything left by Sygic Navigation.

You can also try rebooting the tablet into safe mode by pressing and holding the power button until the dialog box with Power off appears. Then, press and hold the on-screen "Power off" button until it prompts you about rebooting into Safe mode. See if your battery is okay in safe mode (test it for about a day). Note that in safe mode, you can only use the core apps that the tablet came with and no third party apps. To exit safe mode, just turn off and turn back on the tablet.

Hope this helps.

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Try dialing *#*#4636#*#* ,it should give usage statistics that can be sorted by usage time, last time used and App name. You will get an output as shown:

enter image description here

Sort by App name . If it shows Sygic or any other app which shows abnormal usage, then possibly the UID belongs to that app. Next steps:

  • Uninstall that app and see if situation improves

  • Determining PID/ UID if above didn't help ( assuming PID is the number 10017 ) - is easy if your device is rooted as described here How can I find app name by UID?. Even if your device is not rooted, see Firelord's solution which works for non rooted devices

That should help you nail the culprit

  • Alas, it's not a phone - no dialler. – JRobert Aug 27 '16 at 1:10
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Backing out recently installed apps, "10017" went away when I un-installed Talkatone. I repeated the install and un-install with the same result (other than the "battery-burner" having a different numeric ID).

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