yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy S7 Guides, News, & Discussion] sprog123:
Or anyone with SD820 and the latest update for that matter. I don't know why people keep thinking Exynos is better than SD820 for battery. I've seen posts both ways, people with Exynos reporting poor battery, and now with the Android System bug fix for SD820 side, many more SD820 users now reporting SOTs on par with the best Exynos numbers. I'm on track to get similar battery as fabiok's Exynos, somewhere in the range of 8-9hrs SOT over a very concentrated period of use (ie. less than 24hr period).

My idle standby screen off drain is around 0.6%/hr, which is roughly ~20mA (0.006*3000mAh = ~20mAh per hour, ie. 20mA draw) mostly due to cellular standby in a relatively weak signal area (1-2 bars on LTE) while on wifi. My active screen on drain is in the 300-400mA range when doing light browsing, video playback, etc according to GSAM. Let's call it 350mA on average. Also, let's say we're idle for 10hrs during the day, so that uses up about 200mAh. That gives 2800mAh/350mA = 8hrs of active SOT usage over a total 18hr period.

These numbers will fluctuate depending on screen brightness, how often you keep interacting with the touchscreen (which bumps up CPU frequency), etc, but those numbers above, and the 8-9hrs that people are reporting should be best case scenarios with say screen brightness say 40% or lower, average to below average content brightness (ie. not completely white pages, looking at pictures, watching video, etc, where the average pixel values are skewed darker), and fairly non-interactive use.

Now let's say something is wrong and your phone isn't sleeping well. Doubling the standby drain from my above example would only reduce SOT by roughly another half hour. If your standby drain is 2%/hr (seems a little high, something is wakelocking, etc), then in the above example with 10hrs of standby, your SOT would drop to a little under 7hrs, still not bad.

Active use drain will be a large factor for SOT in condensed periods. If you're seeing 500mAh+ active drain during light usage, something is wrong (either screen is really bright, something is keeping CPU at max frequency). If you're doing GPS, doing a lot of file uploading, playing games and pegging the CPU and GPU, you can easily see more than 500mAh, and I'd guess close to 1000mAh might even be possible, which equates to about ~4hrs SOT continuous usage.
[Samsung Galaxy S7 Guides, News, & Discussion] jboodram:
100% wifi 40% brightness. I didn't just watch videos all day like some who post insane sot....

My usage: lots of fb, Instagram, web browsing, about 1.5 hrs YouTube and a couple other apps no gaming though. Best battery life I've ever gotten period!. When im on 4g and use the phone less I tend to get around 6.5-7hrs sot with about 14-16hrs standby. I'm pretty sure if I bring my usage down to 5hrs sot I can easily get over a day! (Exynos version)
[Samsung Galaxy S7 Guides, News, & Discussion] pai.pradeep:
I am getting barely a day and about 3hours of SOT. The battery hogger in my Phone is Android system but I don't know which process/service is the one.

Any input will be greatly appreciated.

I have the Exynos version from India

Thanks in advance
[Samsung Galaxy S7 Guides, News, & Discussion] Nimroth:
I had a horrible battery drain of 4-5% per hour (with the Exynos) and the android system as main battery eater.

I discovered that the problem was my wifi router from TP Link. I exchanged it for an AVM repeater and now i have wonderful battery life. After my usual 18h usage with 2h SOT I still have ~70% battery left.

So for the people with Exynos and standby drain: check your wifi routers. It could be the source of your problem
[Samsung Galaxy S7 Guides, News, & Discussion] Kemby13:
:laugh:

What's not funny is that Sammy allowed the SD820 variants to have such battery issues from the start... I know, it's most likely a software problem, but nevertheless they should've sorted it out before releseing the phone... Anyway, now with the new update it should be fine, in another words SD820 variants should be comparable with Exynos variant in terms of battery life and idle drain...

Very detailed and nice post i must say, :good:

I just wanna say that i find it funny when random people post their battery stats and they brag how they got like 8h of SOT in overall 12h of BOT. In my book that is nothing special to brag about, i don't really mind it but i also don't find it to be interesting. If "you" are able to get 7-8h of SOT in 24h+ of BOT - now that is something remarkable IMHO... On the other hand i ussually get around 5-6h of SOT in 20-30h of BOT. I consider myself a moderate user, i do quite a lot of browsing (Opera), whatsapp, some facebook and messenger, youtube, innstagram, some gaming (Dungeon Keeper), a bit of camera and so on... Here are some screenshots from a couple a days ago, just fyi - i played DK more than i ussually do that day (2h+) and connected my s7 to a charger with 6h of SOT and ~7% of battery left...

I forgot to mention that i recieved the newest update yesterday, so i'll put a SS of that too down below. It's still too early to say anything about the battery life, but i'll report back once i have some actual data.
[Samsung Galaxy S7 Guides, News, & Discussion] pai.pradeep:
I just got the Asus RT-AC68U, does anyone else have issues with this Router as well?
[Samsung Galaxy S7 Guides, News, & Discussion] mujj:
3rd charge cycle

Had this phone for about 3 days now, been messing around with it, disabling stuff I don't need etc. Not too sure about battery life so far, been inconsistent. Maybe because of my really high usage while it's still fresh.

- Exynos variant.

- 2 email accounts on push

- Usual flurry of social media

- 4G always on (just upgraded to a 20gb plan :D)

Used it today for an hour of calls, Snapchat, Instagram, fb, bit of light gaming, chrome browsing and WhatsApp messaging mainly. Brightness at 50% not auto.

Didn't really give me the impact that my Z2 did 2 years ago with its 3200mah batt, but I guess my usage of everything has increased. If today is anything to go by then I thing I'd say I'm satisfied. Not played around with the camera too much as of yet.
[Samsung Galaxy S7 Guides, News, & Discussion] vhc:
Whatsup with the random increase in battery?
[Samsung Galaxy S7 Guides, News, & Discussion] mujj:
Oh lol, should've explained that. Just received a wireless charger I ordered, so was playing around to see if everything was working :P
[Samsung Galaxy S7 Guides, News, & Discussion] vhc:
Is this with the regular s7? I'm jealous
[Samsung Galaxy S7 Guides, News, & Discussion] fabiok81:
Yes, regular s7
[Samsung Galaxy S7 Guides, News, & Discussion] vhc:
Wow, any tips? I can only get 5 on a good day
[Samsung Galaxy S7 Guides, News, & Discussion] fabiok81:
Only disable Google now, Samsung push and Knox. My brightness is on 30% but in auto mode. I've also a black theme. Nothing else
[Samsung Galaxy S7 Guides, News, & Discussion] slymester123:
Constantly getting wakelocked from google play services by blescancompatlib.

Any idea what blescancompatlib is?
[Samsung Galaxy S7 Guides, News, & Discussion] sychen79:
A good battery day.
[Samsung Galaxy S7 Guides, News, & Discussion] welcomyou:
Do you know why that TPLink router make your phone consume more battery than other one? Is there any wifi configuration we should concern?
[Samsung Galaxy S7 Guides, News, & Discussion] Nimroth:
In fact I dont know. The problem was, that my TPLink router was a cheap model without much customization options. And I want to make clear, that this doesnt mean, that every TPLink router will cause those problem.

I work mostly at home, and after a few days with the S7 I noticed, that battery life got way better when i wasnt home. So first thing I tried was switching wifi off and compare the battery life. After I saw the difference, next thing was to replace my router and the difference again was huge. Yesterday for example I had 18h of usage with 2h SOT and still 70% battery left. And Again this is just one possible reason for the battery drain some people are experiencing
[Samsung Galaxy S7 Guides, News, & Discussion] iamnotkurtcobain:
How?

Gesendet von meinem SM-G930F mit Tapatalk
[Samsung Galaxy S7 Guides, News, & Discussion] sychen79:
Not really sure a how can be given..

International s7.. Rooted. Factory reset once.. Screen brightness on auto.. App power saving on auto.. Power /ultra saving mode off.

10hrs spent mostly on chrome and kindle.. Big reading day.. Not much CoC. Regular usage of phone calls/emails and camera
[Samsung Galaxy S7 Guides, News, & Discussion] the Doctor:
I'm pretty happy with it. I just got 6hrs SOT in bright conditions between yesterday and today using only 80% of its capacity. I took it off charge at ~95% and put it back on the charger ~15%.
[Samsung Galaxy S7 Guides, News, & Discussion] vhc:
I suspect kindle uses very little battery compared to most other apps
[Samsung Galaxy S7 Guides, News, & Discussion] obutto:
I'm still pretty pissed that Verizon didn't get the latest update that fixes the Android System drain. Just woke up to see my phone down 30% in 8 hours standby when I reset two days ago.

I'm hearing mixed opinions on the cause of the drain. I tried disabling all unnecessary applications and that didn't work. Next step is the SD card (which I think may be causing sleep & wake issues).
[Samsung Galaxy S7 Guides, News, & Discussion] Cristi10:
Does anyone have weird battery stats like me?
[Samsung Galaxy S7 Guides, News, & Discussion] skivnit:
As I said earlier in this thread wi-fi drain is probably coming from poorly configured routers which are keeping the phone awake by sending multiple packets all the time
[Samsung Galaxy S7 Guides, News, & Discussion] welcomyou:
Read this one:

http://routerguide.net/beacon-interval-best-optimal-setting-improve-wireless-speed/

and this one:

http://routerguide.net/dtim-interval-period-best-setting/

I use 2 wifi routers which support WDS (Wireless distribution system). I don't expand my wireless LAN too much. So I set beacon interval = 1000ms

I use static IP for my wireless LAN, so I don't need boardcast packets to get IP via DHCP protocol. I don't need to multicast my screen to TV, or VoIP call with people in my internal network. So I set DTIM = 240

The battery reduce from 12%/7 hours to 3%/7 hours overnight
[Samsung Galaxy S7 Guides, News, & Discussion] Cristi10:
Again today gsam battery and stock statistics show different screen on time. I'm not using always on so i don't se what's the problem.
[Samsung Galaxy S7 Guides, News, & Discussion] jboodram:
I'm having the same problem. I hope someone can explain
[Samsung Galaxy S7 Guides, News, & Discussion] vhc:
My screen on time is different as well, but that far off (about 10mins)

About the wifi usage, you may want to edit power profile.

see http://xdaforums.com/galaxy-s6/general/battery-life-discussion-t3033385/page170

post #1693

Btw, what apps are you using mostly? 4-5 hours and only used 56% is very impressive.
[Samsung Galaxy S7 Guides, News, & Discussion] iamnotkurtcobain:
I have 4 1/2 hours screen on time and 51% battery left. I guess that's ok? ;)

Sent from my Galaxy S7
[Samsung Galaxy S7 Guides, News, & Discussion] Cristi10:
Well now i moved to the edge, but i kept sync and location off, i usually use youtube, chrome, whatsapp, sometimes maps and i leave 4g on all day. Now it's important to have good signal because if you use data and you have bad signal it completely destroys your battery. The normal s7 has a very good battery, so I'm excited to see what the edge can do.
[Samsung Galaxy S7 Guides, News, & Discussion] Proday:
Best battery on android phone for me for now. Only which could get clouse enough was sony z3 compact.

Btw results below are from days when I was at woark...90% or more gsmdata (no wi-fi), auto brightness, and poor gsm signal (google now disabled).

Exynos model of course...

Edit: forgot to say that im on firmware from mart, one from april have some battery drain, android system -> high usage in%
[Samsung Galaxy S7 Guides, News, & Discussion] tecnico_25:
could you please link me the steps how to disable google now?

I'm from italy too.

Regards,
[Samsung Galaxy S7 Guides, News, & Discussion] fabiok81:
I send you a private message ;)... in Italian :)
[Samsung Galaxy S7 Guides, News, & Discussion] fabiok81:
I'd like to tell you my impression about the new fw update PD1 in Exynos version.

With the old fw, PB8, I had 7 SOT hrs in about a day and over of use.

With the new fw, PD1, SOT is about 6 hrs but the difference is about the percentage of Android System. With the old was about 10%, now with the new is about 20% and over and this is my Fifth charge cycle.

I've also wiped by settings and by recovery but is always the same.

I've noticed that Android System doesn't make phone go in deepsleep and it always happens when it is at 100% of battery charge until the phone reaches 90%.

In that period Android Sistem reaches even 50 % of battery consumed but then stabilized itself and the phone works right going in deepsleep.

Have you got the same problem with PD1 Firmware ?

Regards...
[Samsung Galaxy S7 Guides, News, & Discussion] seanie2322:
Yes that is the same for me on exynos. It appears that the exynos users now have the same issue that the snapdragon users had prior to the new firmware. I am very disappointed as my battery life was top notch before the new firmware. Samsung are going to have to do something about it. I have standby drain at nightime of 10-12% and that is with no WiFi on or location or aod etc. Prior to the new firmware I only had 1-2%.
[Samsung Galaxy S7 Guides, News, & Discussion] fabiok81:
Yes, it's the same about me. The strange thing is that only happens when the battery is between about 100% and 90%
[Samsung Galaxy S7 Guides, News, & Discussion] tecnico_25:
It's exactly what I noticed and right now I'm on Exynos variant and I did a factory reset in order to start from the scratch.

Btw, I noticed that during work day, (I'm not touching the phone) the percentage decrease from 98% to 92% in 2h..... it seems to much. For my the phone was the best only with the first FW that arrives with the phone.

I can play and use game for 3h and the phone drops only from 100% to 74%.. that's quite good a believe
[Samsung Galaxy S7 Guides, News, & Discussion] fabiok81:
The same of mine. I'm thinking about downgrade by Odin... It shouldn't trip Knox...
[Samsung Galaxy S7 Guides, News, & Discussion] tecnico_25:
Where we can find the first firmware and what about Knox?

Do you think we will encounter knox issues?
[Samsung Galaxy S7 Guides, News, & Discussion] fabiok81:
On sammobile, sammfirmware if I remember
[Samsung Galaxy S7 Guides, News, & Discussion] Proday:
Yeah, do that...it can be done with odin, my friend downgrade 2 days ago. I'm still on march firmware, newer running for update since i red positive comments.
[Samsung Galaxy S7 Guides, News, & Discussion] axxel6307:
Just curious how many here can get 1hr sot per 10% drop? If so, how long between charges can you go?

Also, does anyone know how the app power saving in the battery settings works? How does the "always save power" work, rather than the default 3 day rule work? Does it put it into a true hibernation like greenify does and how soon? Anyone know any ideal settings for it?

Also, how does screen mode affect battery? Such as adaptive vs basic and the two amoled modes.

I'm not rooted fwiw.

Thanks
[Samsung Galaxy S7 Guides, News, & Discussion] chungdae:
That's strange. I upgraded to the new firmware and haven't had a problem with battery. I did clear the cache manually from the startup and from My files though. That may or may not have helped.
[Samsung Galaxy S7 Guides, News, & Discussion] fabiok81:
I tried also wiping cache but nothing. See if your Android Sistem is over 20%

Inviato dal mio SM-G930F utilizzando Tapatalk
[Samsung Galaxy S7 Guides, News, & Discussion] chungdae:
Mine is 8.2 % and Kernel: 4.0%
[Samsung Galaxy S7 Guides, News, & Discussion] fabiok81:
Is Your Fw PD1? Can you post a screenshot of your battery stats that is in the phone? (not gsam battery). Thank You [emoji4]

Inviato dal mio SM-G930F utilizzando Tapatalk
[Samsung Galaxy S7 Guides, News, & Discussion] chungdae:
In GSAM I had those stats under battery settings this is the screen shot
[Samsung Galaxy S7 Guides, News, & Discussion] fabiok81:
Thank you. I had another baseband...PD2 but the same build. Perhaps the problems were in baseband...i don't know.

In any case I've downgrade my phone by Odin without tripping my Knox and now the phone is right. I think that the Italian version that I had was buggy.

Thanks a lot my friend[emoji5]

Inviato dal mio SM-G930F utilizzando Tapatalk
[Samsung Galaxy S7 Guides, News, & Discussion] chungdae:
Np :D
[Samsung Galaxy S7 Guides, News, & Discussion] mmm286:
I have about two hours of Android system drain battery. These are my wakelocks

Enviado desde mi SM-G930F mediante Tapatalk
[Samsung Galaxy S7 Guides, News, & Discussion] chungdae:
My phone also stays awake usually 1 hour to 1.5 hours but I noticed that any music player (Pandora, Spotify) makes media server go rampant and stay awake longer.
[Samsung Galaxy S7 Guides, News, & Discussion] Rlin5741:
New update is available for Verizon (OTA) the release notes do not mention battery life improvements like the T-Mobile and Sprint versions. Anyone tested it yet?
[Samsung Galaxy S7 Guides, News, & Discussion] insang-droid:
Now that I've pretty much done messing with apps and using the phone like I would normally.. I'm getting 4-5 hours OST when signal is good or on wifi. When I have crappy signal like in hospital or my work.. I get 2-3 hours of OST..
[Samsung Galaxy S7 Guides, News, & Discussion] -Ric-:
It's my 2nd day with the S7 (standard, not the edge one) and so far I'm impressed!

Wifi always on, decent 3G receiption (disabled LTE because the signal receiption for it sucks in my area).

Usage consisted of alot of WhatsApp, some Facebook browsing, some 9gag and some email.

Running MMB29K.G930FXXU1APD1 (Unlocked Exynos variant)

Damn happy about my purchase so far. :D
[Samsung Galaxy S7 Guides, News, & Discussion] Rlin5741:
My first run after the latest Verizon update appears to get about it 2x the SOT (for me that is 4hrs over a 17hr uptime, up from 2-2.5 over a 17 hr uptime).
[Samsung Galaxy S7 Guides, News, & Discussion] DSF:
Wow! Cool battery life! Mine it's not that good (same unlocked exynos)

- auto brightness (slider at about 50%)

- wifi all the time

- chrome, facebook, whatsapp, youtube and music

- aot disabled

- google now and location enabled
[Samsung Galaxy S7 Guides, News, & Discussion] dtroup64:
Same here. Verizon variant. My Android System usage has dropped down to bearable levels. Good stuff.
[Samsung Galaxy S7 Guides, News, & Discussion] obutto:
Getting literally double to triple standby time, and double screen time with the latest Verizon update. I just woke up with my phone at 40% after a full day of use. Before, my phone would be dead before the time I got home.
[Samsung Galaxy S7 Guides, News, & Discussion] shadow82x:
Is that the s7 or s7 edge? I think I just died a little, I'm tempted to upgrade for battery life alone.
[Samsung Galaxy S7 Guides, News, & Discussion] CLARiiON:
Also, you can always turn off these things if you think battery is taking a hit.
[Samsung Galaxy S7 Guides, News, & Discussion] Mefa2:
Author described taken photos as from standard version, so I judge that battery runtimes are also from S7 (I hope so).
[Samsung Galaxy S7 Guides, News, & Discussion] shadow82x:
If that's the case, I can only imagine what the s7 edge is able to achieve. Here's to hoping standby time is equally as impressive, as that seemed to be an issue with the s6 line.
[Samsung Galaxy S7 Guides, News, & Discussion] CLARiiON:
Source: https://hi-tech.mail.ru/review/obzor_samsung_galaxy_s7_s7_edge/
[Samsung Galaxy S7 Guides, News, & Discussion] :
That's the Edge, the normal S7 managed 6h 10m which is still great.
[Samsung Galaxy S7 Guides, News, & Discussion] Mefa2:
Are you talking about that screen:

[IMG="SoT"]http://mobile-review.com/review/image/samsung/galaxy-s7-preview/battery/246.jpg[/IMG]

? Because there is 38% left.
[Samsung Galaxy S7 Guides, News, & Discussion] Security555:
I hope it is true because i already paid 800€ for S7 Edge.

But in my opinion hi-tech.mail.ru is not reliable source at all.

If we'll get 8 hours SOT and about 24h standby, it would be great
[Samsung Galaxy S7 Guides, News, & Discussion] Security555:
Not SOT, 10 hours working time with 75% screen on = 7.5 hours SOT on Wi-Fi almost without standby.

He also wrote about about 3,5-4 hour SOT in two days on LTE in the real life usage. (В среднем два дня уверенной работы (3.5-4 часа экрана на 60%), передача данных в 4G без ограничений)

I get out of HTC M9 - 3 hours SOT on LTE and one full day usage.
[Samsung Galaxy S7 Guides, News, & Discussion] omeryounos:
Normally these reviewers rate the battery much higher than actual SOT. E.g. look at GS6, most of the people with stock settings get between 4 - 5 hours SOT. Every review site has rated GS6 to have web browsing SOT of ~8 hours. I personally have yet to achieve >5 hours SOT purely on web browsing.

So my point is lets practically see how it performs. One advantage here is the 3000 mAh. I expect practical SOT for web browsing etc. Of about 5 - 6 hours...fingers crossed
[Samsung Galaxy S7 Guides, News, & Discussion] omeryounos:
On my GS6. Even on MM, the standby battery drain is similar to LP i.e. About 1% per hour at night. In comparison my IPhone 6 and 6 plus with same Network and Apps loose only 2 - 3% in 8 hours stand by. That is less than half actually. I thought with doze in MM we will see big reduction in stand by drain for GS6. Seems like I was wrong, doze doesn't seem to have an effect. I don't think in GS7 we will see any improvement and that actually reduces the benefits of having 3000 mAh. Google / Samsung should learn a lesson from Apple that how they achieved this on their last generation and they will be struggling on their next generations flagship to improve this.
[Samsung Galaxy S7 Guides, News, & Discussion] CLARiiON:
It has been posted on other thread.

http://www.andreagaleazzi.com/2016/02/samsung-galaxy-s7-test-live-batteria.html

^^ Some jounalist did a live test of batterylife (Italian). 5hr 25mins SOT. Check it.

The 820 Power draw looks too high to me, specially for 1/2 core usage. Kirin 950 is lot more balanced, and it only beats Exynos 7420 at 4 cores. I think Exynos 8890 might beat 820 in terms of efficiency.
[Samsung Galaxy S7 Guides, News, & Discussion] omeryounos:
Agree, it is too high for a single core. It may have an effect on standby time between SD820 version & Exynos version.
[Samsung Galaxy S7 Guides, News, & Discussion] shadow82x:
What's the source to the processor efficiency table? Looks like something from anandtech, but can't find any matching articles.
[Samsung Galaxy S7 Guides, News, & Discussion] Toss3:
Source
[Samsung Galaxy S7 Guides, News, & Discussion] skivnit:
Im on MM and i lose 1% overnight. With wifi on

Sent from my SM-G925F
[Samsung Galaxy S7 Guides, News, & Discussion] omeryounos:
Can you please explain what have you changed from Stock Rom's default configuration.
[Samsung Galaxy S7 Guides, News, & Discussion] skivnit:
Ael kernel with 1900 as top frequency on the big cores thats it

Sent from my SM-G925F
[Samsung Galaxy S7 Guides, News, & Discussion] contentryder:
How about trying to use Greenify with Aggressive Doze? Or try using Package Disabler Pro, works wonders on battery life!!
[Samsung Galaxy S7 Guides, News, & Discussion] omeryounos:
Greenify requires root, I don't want to root, been there and done that on previous generations. Nothing I use requires root. Used package disabler pro, not a big difference in battery after disabling a lot of bloatware.
[Samsung Galaxy S7 Guides, News, & Discussion] quarintus:
I hope this will come to the exynos unlocked versions too. I have Exynos, and android system is eating a lot... :( Still no update..
[Samsung Galaxy S7 Guides, News, & Discussion] dachao:
I wish I could say the same about my T-mobile S7 after the latest update.