yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy S7 Guides, News, & Discussion] submin_:
I'm really annoyed with my S7 at the moment. As I wrote in another thread, my SOT with low to moderate usage of the phone is around 1hr 45min at its worst! I have the official latest Nougat ROM, non-root, and I don't even use such battery-draining apps as Facebook or FB Messenger.

My use consists mainly of Whatsapp messaging, browsing with Chrome and some Imgur and Yammer use. I have 4G data always on, and I enable WLAN whenever I'm home. I used to have an almost equally bad battery life with MM, but shortly before Nougat came out, I did a factory reset and I got SOT's as long as 4 hours, which isn't good either, taking in consideration that my phone use isn't that heavy.

I did another factory reset/full wipe when upgrading to Nougat, and I'm really not that interested in doing it once again (I hate installing and tweaking all apps every time after fresh installs!), so any other suggestions are very welcome. I really don't think that under 2 hrs SOT's are acceptable.
[Samsung Galaxy S7 Guides, News, & Discussion] takerhbk:
Use greenify in manual mode and hibernate apps every once in a while. You will see an extra hour sot.
[Samsung Galaxy S7 Guides, News, & Discussion] Revontheus:
Don't forget to use either Servicely or Amplify to limit unnecessary wakelocks, those also hurt your battery too. There's a good guide here on xda on how to make the most out of your battery.
[Samsung Galaxy S7 Guides, News, & Discussion] submin_:
Thanks, but that's not really fixing the cause of this drain.
[Samsung Galaxy S7 Guides, News, & Discussion] Soufiansky:
Why are you still in Marshmallow ?
[Samsung Galaxy S7 Guides, News, & Discussion] yorikkk:
If you can flash SuperMan Rom... here is a SS with the latest 2.50 version...

overall i can get between 5.30 and 7 hours SOT...

email, viber, friendly, whatsup running in the background... mix between 4G and wifi... some spotify also
[Samsung Galaxy S7 Guides, News, & Discussion] makiscfu:
Hey.Is it normal for the battery to fall at 67% with 3 hours on battery usage?
[Samsung Galaxy S7 Guides, News, & Discussion] submin_:
Thanks, but I still have almost a year left of my warranty and I'll only start flashing roms after that :)
[Samsung Galaxy S7 Guides, News, & Discussion] Doofy911:
Nougat

Much better battery life on Nougat (Finally arrived in SA- Yes i waited).

Would usually get 1.5days with same usage on Marshmallow.

Around 4 hours SOT- AOD, location, etc off...wifi/mobile data on around 50% of a day.

Good enough for me, will vary with everyone else.
[Samsung Galaxy S7 Guides, News, & Discussion] fracarol:
Hi guys yesterday my s7 exynos on Nougat started to drain the battery. It was a good boy all day long but at a certain point I saw in device manteinance that media.codec drained the battery even more than the display (17% and 564 mAh computed consumption). Looked on the internet for a solution but didn't find that much, this is the first time media.codec appears and I'd like it to be the last ?

Did anyone else have this problem? Any suggestions? Thanks :)
[Samsung Galaxy S7 Guides, News, & Discussion] Proday:
How old is youre phone? My is 14 months old and battery is ~2200mAh now :( All recommandations for this program...
[Samsung Galaxy S7 Guides, News, & Discussion] Soufiansky:
Damn.....
[Samsung Galaxy S7 Guides, News, & Discussion] m3mb3r:
Go to store and get new phone, 2h SoT in totally unaccepted since many tests shows you should be good for watching videos for about 14hrs with medium brightness and its Samsungs ad too.

I´m personally glad with the battery life, only older nokia phones beated this.
[Samsung Galaxy S7 Guides, News, & Discussion] fracarol:
Just discovered that Google photos 2.17 removed the option to backup photos only while charging. I noticed that because the app started draining my battery just a few days ago, probably someone has the same problem
[Samsung Galaxy S7 Guides, News, & Discussion] makiscfu:
How match screen-on-time(estimated) should i get with a full charge?

Wit

I am at 55% and my SOT is 1 hour and 30 minutes
[Samsung Galaxy S7 Guides, News, & Discussion] Critique:
What other apps show up at the top in Battery Usage?
[Samsung Galaxy S7 Guides, News, & Discussion] makiscfu:
Here you are
[Samsung Galaxy S7 Guides, News, & Discussion] Proday:
Woow man, only 1,5 hour till 55%...congrats, or you have some drain or battery is eaven worser than mine :)
[Samsung Galaxy S7 Guides, News, & Discussion] fracarol:
That's so strange, I recently had some issues with play services so I cleaned cache, uninstalled and reinstalled play services then now it's working fine. But you have just 1% used by play services.. try to optimise all those apps that appear in the list but that you don't use often, I suggest to download the latest version of device manteinance that has the always sleeping apps feature which can be useful and try to see what happens. Hope it'll work
[Samsung Galaxy S7 Guides, News, & Discussion] makiscfu:
How is it possible to update device maintenance?
[Samsung Galaxy S7 Guides, News, & Discussion] fracarol:
Try to download the latest version of device manteinance apk on apkmirror.com (google for "apkmirror Samsung" and you'll find directly all the uploads by sammy) or even on sammobile.com

You have to enable the permission to install apps not from the play store but you'll receive a notification about that. To me the latest version v1.0.25.5 is working well
[Samsung Galaxy S7 Guides, News, & Discussion] ankey1234:
My S7 battery status with Stock Rom Nougat and SuperKernel
[Samsung Galaxy S7 Guides, News, & Discussion] makiscfu:
My galaxy s7 has a problem with battery drain.The model is SM-G930f and I have tried everything to improve the battery life.I have reset the phone ,clean the cache , re-flash from odin and still nothing. I get about 2 hour Screen on Time.So with no other solution I decided that I should send it to Samsung service center to replace the battery
[Samsung Galaxy S7 Guides, News, & Discussion] takerhbk:
On stock ROM latest may patch. GPS and AOD both always on.
[Samsung Galaxy S7 Guides, News, & Discussion] DSF:
Factory reset till the issue is solved /sarcasm
[Samsung Galaxy S7 Guides, News, & Discussion] makiscfu:
No **** Sherlock. I have done that 2 times

Στάλθηκε από το SM-G930F μου χρησιμοποιώντας Tapatalk
[Samsung Galaxy S7 Guides, News, & Discussion] DSF:
That was a sarcasm man (see the tag).. there are some users who thinks that the hard reset is 42. (the answer to everything)
[Samsung Galaxy S7 Guides, News, & Discussion] makiscfu:
Does anyone know what is this and if the info displayed is normal?

I found it by dialing *#0228#

Στάλθηκε από το SM-G930F μου χρησιμοποιώντας Tapatalk
[Samsung Galaxy S7 Guides, News, & Discussion] DSF:
Does anyone know what's this? I think this one mskes the phone heat up even wirh light apps. A restart doesn't solve the heat. Hard reset is no go for me..
[Samsung Galaxy S7 Guides, News, & Discussion] chudm:
Guys according to accubattery it says the stimated capacity is 2200 mAh, so i should replace the battery asap right?
[Samsung Galaxy S7 Guides, News, & Discussion] Proday:
Chudm you can still use it like that if you don't bother to recharge it more often.
[Samsung Galaxy S7 Guides, News, & Discussion] chudm:
Replaced it today! thanks

What a difference!
[Samsung Galaxy S7 Guides, News, & Discussion] Proday:
Kk. Write to us how much better sot you have now.
[Samsung Galaxy S7 Guides, News, & Discussion] chudm:
1 day testing... from 2 hours sot to 4...
[Samsung Galaxy S7 Guides, News, & Discussion] Proday:
Great. Place sshot from accubattery, after 4-5 charges pls
[Samsung Galaxy S7 Guides, News, & Discussion] makiscfu:
since the last firmware update .I have a huge battery drain.I get 2 hours screen on time.I am thinking of replacing the battery but does anyone have any suggestions on hoa to fix it?
[Samsung Galaxy S7 Guides, News, & Discussion] fracarol:
If there's any at first you can try to reinstall the apps that are draining your battery
[Samsung Galaxy S7 Guides, News, & Discussion] audianer:
Hey,

are there any tipps for better battery life? Apps or something? Andorid System and Android OS is always on top of my battery drain...

BTW: Forget the app accubattery. On my phone the app says stimated capacity 2300mAh... after sending my phone to samsung i got a new battery... the app says stimated capacity 2300mAh again...
[Samsung Galaxy S7 Guides, News, & Discussion] difto:
It's probably because you are using fast charging. When you use fast charging, the voltage varies between 5V and 9V, accubattery is calibrated for a normal charge at 5V. For exemple accubattery will see "charging at 1.67A" but it doesn't know at what voltage, let's say the battery is full after 1h20 it will just do 1.67A x 1h20 = 2230 mAh (but in fact when using fast charging part of the charge will take place at 5V (if you use the phone) and part of it at 9V which is even more confusing).

Disable it and retry.
[Samsung Galaxy S7 Guides, News, & Discussion] *Detection*:
Battery saving modes built into settings will have the most effect

Greenify is another app that can keep apps sleeping etc
[Samsung Galaxy S7 Guides, News, & Discussion] deep7177:
this might help.

https://www.youtube.com/edit?o=U&video_id=Ntl_FrLte0A
[Samsung Galaxy S7 Guides, News, & Discussion] Levan_i:
How:(
[Samsung Galaxy S7 Guides, News, & Discussion] Soufiansky:
Accubattery used to be one of my favourite apps but with the S7 i'm now wondering if it's still legit, just got an S7 some days ago, brand new never used, manufactured in late July 2017 ( thanks to phone info ) so the battery is 100% new, but after more than 5 cycles accubattery shows only 94% battery wear/ health, and im not using fast charge so it should be accurate, 100% or even more ( got 102% once on the Xperia Z5 it was new too ), Any idea ? App is dead ?
[Samsung Galaxy S7 Guides, News, & Discussion] omer7:
Not sure about the app credibility. But on my phone it showed 80% battery health. And my phone is one year old, bought it October, 2016.

Anyway, what sot r u getting on ur phone? Can u share the stats plz?
[Samsung Galaxy S7 Guides, News, & Discussion] Soufiansky:
Sure this was my second cycle, mostly wifi, location and sync always on, music,brightness around 55%. I think this is quite good.
[Samsung Galaxy S7 Guides, News, & Discussion] omer7:
Indeed, it is very good. But unfortunately, it seems s7 battery health deteriorates quite fast. Just after a year usage, my phone's battery backup has reduced a lot. I also used to get 5+ SOT with 24+ hours of battery time. But now hardly get 3 to 4 hrs sot with less battery uptime. Not sure, but may be not all s7/s7 edge are affected with poor battery health after a year usage, may be few phones are affected, and my phone is one of them, unfortunately.

I also own google nexus 4, which is 4 to 5 years old, and still its battery is good. Considering a 4 to 5 years old phone, still giving a decent sot is quite good.

Anyway, i have factory reset my galaxy S7, lets see how much battery backup it gives now. My phone is on Nougat, August security patch.

And also let me know plz, do u keep wifi and data on together? Like if u r connected to wifi, u keep data off and vice versa?

And what are ur location settings? Wifi and bluetooth always scanning?
[Samsung Galaxy S7 Guides, News, & Discussion] Soufiansky:
No the S7's battery doesnt deteriorate fast, its the app which is inacurrate. I read on the web people getting 88% health for a brand new phone, like my case, other got 99-100% in the begining and afrer a week only it went down to 90% which is impossible. For your case, maybe u needed a factory reset, i dont think your battery will go bad after a year only except if you are using fast charge everyday, which i almost never use to keep my battery good.

If im using wifi then i turn off data and vice versa, about location i use high accuracy but wifi and BT options are unticked, useless it just drain battery even more. Anyway i think the app is bugged now, battery cant deteriorate that fast after 2-3 cycles only lol.
[Samsung Galaxy S7 Guides, News, & Discussion] omer7:
Well, yes, that App might be faulty. But i'm not talking about s7 battery health deterioration based on result i got from that App. I'm talking about the stats that i'm getting in real time. Its backup has really reduced a lot in just one year usage. And yes, i've always been using "Fast cable charging", since i didn't know, it would affect the battery. This option was checked by default, and i thought it was okay to charge phone using fast charge cable option.

And my phone's location remains Off most of the times, and i've also disabled "Location History", but using wifi and bluetooth scanning are enabled, but i think it won't matter, since my phone's location is always off.

And I do keep wifi and data on all the time, so if one disconnects, the other connects automatically. Usually mobile data doesn't disconnect, it is only wifi, that when i leave home, it automatically goes to mobile data.

And yeah, i've factory reset the phone, lets see how things go now. Hope to get better backup now.
[Samsung Galaxy S7 Guides, News, & Discussion] Soufiansky:
Ah i see now why your battery deteriorated so quickly, fast charge kills batteries, sometimes is not a problem when u need your phone to be quickly charged but everyday hurts its health a lot...Hope things are better now after the factory reset ?
[Samsung Galaxy S7 Guides, News, & Discussion] omer7:
Well, i didn't know that fast cable charging would affect the battery. :( They should have added info there, that using fast cable charging for long time may affect the battery. Anyway, now i'll avoid fast charging, unless required.

And yes, hope things go better now with factory reset.
[Samsung Galaxy S7 Guides, News, & Discussion] difto:
The fast charge used by Samsung is pretty conservative and does not heat the battery that much. Do not worry about it, I would say most of your problems come from Android and Apps, the more Apps the less battery due to the various background processes
[Samsung Galaxy S7 Guides, News, & Discussion] fracarol:
Don't know why anyway here with s7 even normal charging heats up the battery, I think dash charge is something cute because it brings more amperes than volts, instead Samsung "adaptive fast charging etc etc" goes at 9V with lower amperes than normal charging (5V @ 2.0 amperes) so normal charging should be less stressful for the battery
[Samsung Galaxy S7 Guides, News, & Discussion] difto:
Actually the battery doesn't care:

The charger brings 9V [MENTION=1247388]1.6[/MENTION]7A, the point of using 9V is to have less losses in the cable (so a standard USB cable work well but a special cable would be needed to use say 5V @3A). Then the phone internal circuitry converts those 9V to a voltage of max 4.35V that it feeds to the battery and which is the maximum voltage of the battery. That conversion generates additionnal heat (added to CPU, battery, etc...) so the phone is globally hotter and throttles the charge faster to protect the battery.

Dash charging, if I am not mistaken entirely skips the phone circuity so that the charger is connected directly to the battery and supply 4.35V through the USB cable so the conversion is done in the charger = less heat in the phone, the charge might not need to be reduced BUT a specific USB cable (thicker) is needed AND a very specific USB charger is needed (not compliant with USB specs)
[Samsung Galaxy S7 Guides, News, & Discussion] deep7177:
This will Increase battery life greatly.

https://www.youtube.com/watch?v=Ntl_FrLte0A
[Samsung Galaxy S7 Guides, News, & Discussion] :
The device will heat up while charging, when High performance mode and Fast cable charging are enabled.

The only thing that will make your battery last longer is rooting the device, which I don't recommend, and using Greenify.
[Samsung Galaxy S7 Guides, News, & Discussion] *Detection*:
Settings > Connections > Location > Improve Accuracy > Turn off Wi-Fi scanning and Bluetooth Scanning

Has improved my battery life considerably

That setting allows WiFi and Bluetooth to scan nearby devices even when both of those radios are turned off, so basically they are not turned off, ever
[Samsung Galaxy S7 Guides, News, & Discussion] Soufiansky:
Thats the first thing i do every time i get a phone, makes a noticable difference
[Samsung Galaxy S7 Guides, News, & Discussion] dtrinh4000:
Sounds about right with what i experience.

I use Chrome, What's app, and LINE, all of which are huge battery hogs.

I really wish there was a phone with swappable batteries. Instead I have to carry around this anker battery charger brick that weighs a pound.
[Samsung Galaxy S7 Guides, News, & Discussion] Levan_i:
Screen on time improves if I clear system cache using device maintenance, anyone experienced that also?
[Samsung Galaxy S7 Guides, News, & Discussion] sapiora:
I must say that I am impressed by the life my S7 gives me. I don't use it that much when I am at work and with all wireless gadgets active, few calls, one to two e-mails I last with 70+% battery at the end of my work day.
[Samsung Galaxy S7 Guides, News, & Discussion] fracarol:
Full charged my stock s7 flat yesterday evening, just came home from lesson and it's 30% with 1h 46minutes of screen on time, more than half the day offline with WiFi on (because I don't know why my data signal sucks), all night offline, a bit of Spotify on Bluetooth and some browsing and Instagram over the day. Lost 6% during the night. Mid energy saving with cpu speed limiter on, background data deactivated, data saver on, AOD always on.

Well Sammy I don't know if you have ever heard something about OPTIMIZATION but 3000 mAh are quite enough to not having to charge the phone more than 50% after almost not using it. Once I gained 5 hours of SOT. As usual I'm waiting for the next major upgrade but I don't know why I still have any hope in Samsung..
[Samsung Galaxy S7 Guides, News, & Discussion] fracarol:
Forgot to upload the screenshot and cannot add it modifying the post, sorry for that, if someone can please join the two posts, thanks
[Samsung Galaxy S7 Guides, News, & Discussion] difto:
I discovered two things that made a lot of differences for me:

- Disable S Health service and app (did the most)

- Disable VoLTE
[Samsung Galaxy S7 Guides, News, & Discussion] fracarol:
I'll give it a try for sure, anyway I don't have "stable" battery life, sometimes it gets worse but don't know why. Btw thanks for the advice :svetius:
[Samsung Galaxy S7 Guides, News, & Discussion] *Detection*:
I can imagine S Health using some battery due to it's pedometer / GPS usage, but unfortunately I use that most days

Battery life was better the first half of this year and before, but from around May 2017 security patch it got noticeably worse
[Samsung Galaxy S7 Guides, News, & Discussion] thevibas:
How?

How do you get such SOT? I get only about 4:30 hours Wifi/MobileData on, on continious usage. with background usage i get around 3:30- 45 minutes. My phone is only about 1 month old, Came with Nogut out of box.

Please Share your Settings and all.
[Samsung Galaxy S7 Guides, News, & Discussion] *Detection*:
That post was from nearly a year ago running a Beta version of Nougat

Settings would be irrelevant, and battery life is worse with the latest firmware these days
[Samsung Galaxy S7 Guides, News, & Discussion] rascal0pl:
Yeah. Bettery life is getting worse and worse with every update. With nougat beta 4 I was able to get 7,5h SOT [!], now? Sometimes I can get more than 4,5h...

Idle draining is not so good either. Beta 4 ~1% per night, now? 5+% per night.
[Samsung Galaxy S7 Guides, News, & Discussion] *Detection*:
Yep, I drained about 8% lastnight idle

Tempting to go back to the start of the year Nougat firmware to test again, make sure it's not a battery issue

My S5 still held the same charge, if not better after 18 months though so unlikely it's a battery problem
[Samsung Galaxy S7 Guides, News, & Discussion] fracarol:
Wow I used to lose 1% to nothing during night some time ago, now my s7 loses precisely 2% every night but 8% is way too much.. maybe there's some app that's draining your battery, it looks so strange to me
[Samsung Galaxy S7 Guides, News, & Discussion] *Detection*:
Just says "System" in the battery stats

It's not a problem atm as I am pretty much always near a charge point, but I`ll reset it one day and check again
[Samsung Galaxy S7 Guides, News, & Discussion] fracarol:
I think "system" is the one that (if you click on it) lists a lot of packages (all the useless things that keep running on our phone) so well we can't do much about it. Perhaps trying to disable all those listed packages with (example) Adhell but not even sure that it works.

Maybe if you install Gsam battery monitor (and some ADB permission) you can see what's going on
[Samsung Galaxy S7 Guides, News, & Discussion] andreyady1708:
Hi guys, can you help me with battery problem on GALAXY S7 android Nugat 7.0

Look at pics

[IMG="Battery problem"]https://scontent.fzag3-1.fna.fbcdn.net/v/t34.0-12/23758164_10208235661647676_1578654228_n.png?oh=42b7148075f0f4822218ce9b2158dcd7&oe=5A15113A[/IMG]

THANKS
[Samsung Galaxy S7 Guides, News, & Discussion] Levan_i:
Have you done that? I was also wondering if earlier firmwares manage to get better battery life, don't want to waste a time flashing old firmware and than going back again
[Samsung Galaxy S7 Guides, News, & Discussion] *Detection*:
Nah, battery life is still long enough to get me through the day, plus I would end up with all the hassle of update notifications and forced updates, without root
[Samsung Galaxy S7 Guides, News, & Discussion] Levan_i:
Better than this?
[Samsung Galaxy S7 Guides, News, & Discussion] *Detection*:
Yea I get over 4 hours SoT atm, just not as good as my 6 hours with earlier firmware
[Samsung Galaxy S7 Guides, News, & Discussion] Levan_i:
Got to try those firmwares, I'll post here if anything changes.
[Samsung Galaxy S7 Guides, News, & Discussion] Levan_i:
Flashed Android 6.0.1 2017 January firmware, gonna test this couple days;
[Samsung Galaxy S7 Guides, News, & Discussion] Levan_i:
MM firmware is not bad but internet browsing kills battery. SOT was 3-3.5 (worst than SOT on stock 7.0). Decided to root (for the first time) and succeeded, but phone was lagging, free ram decreased and got boot loop, after which I reverted to stock firmware. I am now using 7.0 with may security patch. Anyone got some good root tutorials? I still think that root is the only way I can manage android system battery drain in battery stats, but because of my newbie-rooting-skills, probably I am doing something wrong.

p.s. I have snapdragon version S7 .
[Samsung Galaxy S7 Guides, News, & Discussion] Levan_i:
Hey whats up.

I have found this thread https://xdaforums.com/tmobile-galaxy-s7/development/rom-t3637662 For those who are struggling to get 4 hours SOT - you should definitely check it and particularly the nonamemod. I have installed it on my G930U, it's smoother and battery gives me more than 5 hours SOT.
[Samsung Galaxy S7 Guides, News, & Discussion] nvrmndryo:
Hi everyone, I recently bought used samsung s7 G930FD, for first few days battery backup was good, but after installing many apps it got worse day by day. I have around 50 apps installed. If I use my phone normal with AOD i cannot go over 2hr sot, so I use power saving mode with that I get around 3.5 hrs backup and 8 hrs standby. Can people share their sot, backup screenshots? I will share mine soon. Is me or anyone also facing same battery backup issue?
[Samsung Galaxy S7 Guides, News, & Discussion] nvrmndryo:
Attaching battery stats. Please let me know how you find my backup? Phone was on auto brightness, 4g volte, 95%on WiFi, 2k resolution.
[Samsung Galaxy S7 Guides, News, & Discussion] Levan_i:
I have 3 hour and 5 minute SOT right now and still got 37% on my battery