I'd still want to further optimize the phone configuration to reduce unnecessary battery drain, but here's a consideration I'd offer to put this in perspective. I noticed this myself because I was panicking to see similar stats initially. Here's my thought:
I believe that the way these stats and the forecast remaining battery life are reported is being unduly influenced by your usage since you just took the phone offer the charger.
Forgetting GSam for the moment and just looking at the Android approximation of battery use: you've had the phone off-charger for 2h 50m. In that time, you've had the screen on for 1h 38m == 57.6% of the time. If your usage since coming off charger remains consistent for the remaining 6 hours of forecast battery life, this would give you approx another 3.46 hours of screen-on time, for a total forecast screen-on time of approx 5 hours. That's not bad at all, but you can probably do better.
Still seeing a lot of awake time on your phone, and GSAm is showing that 34% of the charge has been consumed by "App Usage" - something to consider and study a bit more closely on your phone.
For comparison:
I leave bluetooth and Wi-Fi turned on all the time on my phone, and I have location services on constantly. I really don't want to have to worry about compromising my use of these conveniences when the phone is so capable -- and this hasn't been a problem for me. I have screen brightness at about 45% - not because I'm trying to conserve battery, but because I like the way it looks; I only crank it up brighter if I expect to be outside for a while in bright daylight. I also have adaptive brightness turned on.
I have Sleep set to activate after 30 seconds, but I also have a habit of tapping the power button briefly to turn the screen off any time I'm doing using the phone. Under "Attentive Display" I have both "Stay On..." and "Battery saver mode..." checked.
I only have a relatively small number of apps disabled:
- Amazon Kindle
- Amazon Appstore (I get my apps via Google Play)
- Audible
- Calendar (I use Google Calendar instead)
- Caller Name ID
- Cloud
- DT Ignite
- Message+
- NFL Mobile
- Slacker Radio (I used Google Play Music all access / family)
- VZ Navigator
I do NOT have Facebook or FB Messenger installed. I could probably disable several more of the apps that VZW installs by default, but my battery life has been generally excellent, and the "urgency" to improve on the current state is just not there. I get several hours a day of screen on time and simply don't worry about limiting my usage -- just not an issue. I have Nine email client handling about 60 to 80 emails a day (exchange server / corporate) on a push basis, and GMail managing anywhere from 50 to 100 in a typical day. Amazon shopping and Amazon music are active. I use Google Play Music extensively. The Delta (airlines) app is active. Guardian, Flipboard and Google News & Weather are always updating in the background. I use Nova Prime (at the moment!) as my launcher. Numerous apps installed. Google Docs / Drive is actively syncing in the background, as is MS Office via apps like Word, Excel, Powerpoint.
With all this - I'm probably getting about 5.5 to 6 hours screen on time -- although I have yet to run down the battery before I go to sleep at night, and actually haven't gone below about 20% yet -- more typically about 30% to 40% remaining at night, with total forecast battery life at about 36 hours. I don't have any urgent need to test this, and so I just drop the phone on a wireless charger before I go to sleep.
- Jon
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