yashsingh1/xdaforums huggingface dataset:
[Galaxy Note 4 General] bat0nas:
Is it normal that Exynos doesn't deep sleep and always stays at 400MHz?
[Galaxy Note 4 General] pedmond:
Definitely not. I have an Exynos and get around 80% deep sleep. One of your apps is misbehaving.
[Galaxy Note 4 General] bat0nas:
Btw.. how to find that app.

Seems that I can't use Better Battery Stats.. because Partial Wakelock doesn't show anything if not rooted.

Any ideas?
[Galaxy Note 4 General] quadlt:
Could you post the name of the app if you find it? I'm having same problems :(
[Galaxy Note 4 General] mbernstein:
thanks. tried that but did not work...
[Galaxy Note 4 General] podface:
Interesting. Went home for a few days(out of London) and my sot has shot up to 7!! Not changed any settings from when I had 3.5hr sot
[Galaxy Note 4 General] Vichenec:
Has

anyone replaced their phone because of battery life, if so, did it make any difference?

Just done factory reset, if that wouldn't help I'll be knocking on Samsung's door.
[Galaxy Note 4 General] iznee:
That actually proves that network quality plays a big role in battery drain. Usually deterioration of network is caused by congestion due to high subscriber to the same network. Out of city..less congestion.. bettter battery. Sometimes service providers are to be blamed for battery drain not the phone.
[Galaxy Note 4 General] POLO_i780:
Brilliant! I've been bashed for getting over 7hours OST here, hope you don't go through the same thing.

As I have been saying, this phone is very efficient, especially if you are mostly connected to WiFi, but even when just using mobile networks you can get well over 6Hours OST. :)

Enjoy :D
[Galaxy Note 4 General] clintonroche:
Well... Stop getting such good battery life and is jealous people will stop bashing you. [emoji5]
[Galaxy Note 4 General] 2crueal4u:
This is on first charge

Greenify installed on about 80%

Think Its Ok.... Could be better but ok
[Galaxy Note 4 General] mbernstein:
Got it solved. There was one charger which was charging my S4, but not the Note, others are charging the Note OK... Thanks.
[Galaxy Note 4 General] alex989898:
I'm trying ART since yesterday and I got very very very good battery life with it. Better than what I get with dalvik.

More than 6h SOT playing videos and browsering and still 23% left.

Unfortunately, ART is not perfectly stable on my device (I have some S-health's force close) so I will return to Dalvik.
[Galaxy Note 4 General] alex989898:
Just before sleep.
[Galaxy Note 4 General] RomBox:
one major reason I go for note is the longer battery life than iPhone. seems note4 don't have this advantage any more. sad... :(
[Galaxy Note 4 General] cosinav:
I think it will do better than the iPhone plus. Honestly, given how much hardware and multitasking the Note 4 has to deal with, we should be happy that it lasts us through a day of heavy use and we can always change the battery if needed. :D
[Galaxy Note 4 General] The Black Droid:
Exactly. People demand a thin phone, yet a large battery at the same time. it doesn't work like that!
[Galaxy Note 4 General] BoBBBBBBBO:
Here are some screenshots from [MENTION=4314397]unboxtherapy[/MENTION] on twitter, he's using the Note 4 exynos variant:

https://twitter.com/UnboxTherapy/status/518939617362706432

https://twitter.com/UnboxTherapy/status/518940784738177024

I think this is terrible.
[Galaxy Note 4 General] alexcarterkarsus:
It really depends on what you do with and what you have on the phone, personally I will be happy to have that much on screen time on my N3 :laugh:
[Galaxy Note 4 General] mikesnav:
:( so very disappointed
[Galaxy Note 4 General] BoBBBBBBBO:
He tweeted later that he shot a lot of 4k video on the Note 4. He also tweeted that he will test the battery without 4k video recording.
[Galaxy Note 4 General] Jiyeon90:
Seems like a step backward from the note 3, just like the G3 was to the G2 ?

Sent from my Xperia Z2
[Galaxy Note 4 General] RomBox:
one note 4 user told me, note 3 can have 50% left after one day normal use, while note4 only have 30% left
[Galaxy Note 4 General] DelBoy:
As always, that depends fron user to user.
[Galaxy Note 4 General] The_MutenRoshi:
Please, share your screenshots at the end of the day with how many screen time you managed to get!
[Galaxy Note 4 General] gingi999:
What was screen brightness at? Was it at full 50% or auto?
[Galaxy Note 4 General] Archiimonde:
Remember, iOS measures usage, not screen on-time.
[Galaxy Note 4 General] BoBBBBBBBO:
[MENTION=4314397]unboxtherapy[/MENTION] from twitter with more Note 4 battery tests. Check out the tweets.

https://twitter.com/UnboxTherapy/status/519667858842738689

https://twitter.com/UnboxTherapy/status/519668040539983873

Wow, this is bad.
[Galaxy Note 4 General] Kawaisa:
plot twist: snapdragon does much better
[Galaxy Note 4 General] dawheat:
It's pretty clear there's some wake lock issue going on. The usage graph should never have a consistent slope unless you're doing 1 thing the entire time. There should be steep portions when screen is on and he's using the phone and then relatively flat periods when the phone is off.

I doubt it's an Exynos issue - this can happen on all Android phones and normally takes a little bit of digging to find the offending app or process.
[Galaxy Note 4 General] _INSPIREed:
You are right when it comes to the usage graph, but might I point out that you wouldn't see those drops necessarily until you click on the graph to enlarge it. ;)

Either way that is unacceptable, but for people saying this is bad, I do agree that this is the cause of a rogue process or app. That and probably a combination of other things such as bluetooth possibly being on the entire time, and his screen brightness pumped. I would take his screenshot with a grain of salt. I believe the note 4 battery will be atleast equivalent to the note 3 if not slightly better. and if that is to believe then I can enjoy the same 7 hours screen on time that my note has ;) Hell even my nexus 5 gets 4.5 hours
[Galaxy Note 4 General] cosinav:
It was set auto.
[Galaxy Note 4 General] Kawaisa:
I find it hard to believe especially since Joshua Vergara's review on Android Authority says:

" I found battery life to be on par with previous Note generations. One day of heavy testing brought the battery capacity down to single digits in 14 hours, and moderate usage should allow for the battery to last a long time."
[Galaxy Note 4 General] Nuu~:
If I'm not completely mistaken, Android Authority has the Snapdragon version while Unbox Therapy got the Exynos.

I doubt that the difference between the two is that big though.
[Galaxy Note 4 General] clintonroche:
I had the s-health issue. I disabled it. Lol

Battery life is more important.
[Galaxy Note 4 General] POLO_i780:
Glad to see more people getting the incredible batt. life that I get with this beast :D funnily enough the haters who doubted my results and made all kind of accusations seem to have disappeared, must be too afraid to get egg on their face. :)

LOL! I can't help it, it just gives me good batt. life without me even trying :D haha
[Galaxy Note 4 General] hiimimtayaz:
Yep..... I was waiting for some one to come up with s-health ART FC problem. My gush! I thought I was the only one but not anymore . hehehehee.
[Galaxy Note 4 General] bat0nas:
How do you disable s health and what consequences it may give?
[Galaxy Note 4 General] clintonroche:
Go to the apps in settings and disable it there.... S-health doesn't work after that. I am sure an update will fix it soon.

Actually, I went there and uninstalled the update and it works fine now.
[Galaxy Note 4 General] donkon:
Well, I cant get petter than 6 hour SOT .I am using Du Battery saver pro and memory booster pro while constantly using power save mode. Just thinking I might try art mode now. so if I go art mode is it easy to switch back to dalvic if I don't like it for some reason? And what are the dowsides other than newest S-health not working properly. Also how to proceed with the switch?

Sent from my SM-N910F (Note 4)
[Galaxy Note 4 General] tmac31:
Lol you were posting 7-8 hours sot with 30% battery left and still no1 posted something like that. Every1 was saying you can get 7 hours with full battery not with only 70% used.
[Galaxy Note 4 General] bala_gamer:
im using s health services all time, it dosent drain that much of battery, got 1 day 14 hours backup , with 5+ hours sot
[Galaxy Note 4 General] bat0nas:
Any ideas how to find what app makes the cpu always be at 400MHz?

Betterbattery stats doesn't help as I am not rooted. Thanks.

I have Exynos version.
[Galaxy Note 4 General] Ausboy 2011:
Just how it works bro the cores stay online and 400mhz is the lowest clock speed
[Galaxy Note 4 General] RomBox:
S-Health should be the one drain your battery most. you may try Dalvik mode with S Health disabled and check the result.
[Galaxy Note 4 General] bat0nas:
I really heard different opinions regarding 400MHz..

If it works as you say.. I need to deal with it :-[

---------- Post added at 01:57 PM ---------- Previous post was at 01:55 PM ----------

Will disabling SHealth do any harm except step counter will stop working?
[Galaxy Note 4 General] alex989898:
I haven't try on GN4, but on GS4, with or without S-Health, I get roughly the same battery life.

Honestly, I don't think S-Health drain that much battery. It doesn't even appear on battery stats.
[Galaxy Note 4 General] Ausboy 2011:
Im not so sure but i think thats why. There's no hotplugging either for the exynos cpu
[Galaxy Note 4 General] EP2008:
Sounds like the cpu's are idling at 400mhz instead in going into deep sleep which is a problem I was having too.

Took me a lot of time using multiple apps to get my device to deep sleep.

Sent from my SM-N910U
[Galaxy Note 4 General] bat0nas:
But interesting thing is that the phone stays half time in deep sleep as well.

Does everybody has that idling on 400MHz as in my screenshot?
[Galaxy Note 4 General] pedmond:
I actually have this:
[Galaxy Note 4 General] bat0nas:
That's a lot better.

For sure 400MHz is not an idle state in your case.

We need to solve that somehow... :(
[Galaxy Note 4 General] fscherz:
Made a run-down test...

Dear all, have a 910F since the second day it became available (3-4weeks).

I did not root it (I rooted all other notes 1-3 I had) and just disabled some programs (S-Health, FLipboard, ...) and use Geenify. I have GPS, Bluetooth and Wifi on (Wifi only permanentelly connected when on charger) all the time.

I am very happy with the b attery time now, it's twice as long as I got it with the note 3!

I disconnected on Friday morning the phone from original charger and used it on Friday for normal business (Mail, phone calls, ...). The battery picture I attached is about one hour before it died when I was driving back in the ca.

I don't know if you have better or worse but good thing is it at least last always 2 days!
[Galaxy Note 4 General] pedmond:
What was your screen on time? And when you were not on WiFi, did you have data enabled? 3G or LTE?

Just a couple of observations: S-Health does not have a significant impact on the battery. Also, I'm not sure how well Greenify works on a non rooted phone. Also, if you charge it daily, your battery will last longer (this is true for all Li-Ion batteries).

This being said, I'm glad you're enjoying your phone. :good:
[Galaxy Note 4 General] fscherz:
Screen on-time was 6%, Data on (whatever it connects to up to LTE, was in bad receprion area in the afternoon).

Data was 8%, Android system 25% and OS 16%. Google play 8%, Mail and phone 4%.

One observation I had was always that bad reception=more power used, So I am lucky that at home and at work reception is good.
[Galaxy Note 4 General] pedmond:
Thank you for the answer. 6% SoT means less than 2h, right?
[Galaxy Note 4 General] fscherz:
Mhmm, 6% of 56h mean some 3.3+h

I have beeps and vibration on some messages like WhatsApp, Lync 2010, eMail, SMS. These are running 100% of time.
[Galaxy Note 4 General] pedmond:
Not really, I believe it's percentage of battery consumption, not of time.
[Galaxy Note 4 General] Bazzillio:
hi everyone, I decide to put my screens too, I use Exynos version, screen mainly reading book, browse internet, watching some youtube, brightnes auto some time -4, some +5, depends on env. Some google stuff dissabled, S-health disabled, geo/location stuff disabled, on this charge first night I had 0% at night which is pretty cool bcs its first time I had that consumption at night, maybe bcs of few full charge/recharge cycle, phone was in deep sleep all the time. What is good, bluetooth cost nothing, so its always on. And I always try to keep my memory clean (1.7GB used)

Now will try to use ART.
[Galaxy Note 4 General] clintonroche:
This is the best battery life I have ever gotten. Wifi all day.
[Galaxy Note 4 General] pride_kr:
Got to say... Not impressed at all..... G3 and Z2 had a much better battery life.... Could go up to 8hs screen o Z2 with everything on
[Galaxy Note 4 General] Ausboy 2011:
I constantly hit between 5.30-8 hours sot guess it depends alot on signal judging by most peoples posts
[Galaxy Note 4 General] clintonroche:
I think signal and availability of wifi are huge factors.
[Galaxy Note 4 General] docravi:
I am getting good battery life since i rooted and froze all the bloat. 6+ hours of SOT in 20+ hrs. I use it mostly for web browsing on chrome. SOT is significantly more if i watch videos.

Sent from my SM-N910G.
[Galaxy Note 4 General] koppee1:
I rooted my g3 and still got 3 hrs to 3.5 Hrs screen on time for my usage. I'm tempted to root the note.4 But I'm scared haha. The g3 was rooted using towelroot. One click and root lol. That was my first ever rooted phone. This Odin and stuff scares me lollol sigh

Will root really improve battery life? I'm getting around 3.5 To 5 hrs sot right now w my note 4
[Galaxy Note 4 General] docravi:
Rooting and freezing bloat + greenify improved my battery life about 25%. Major effect was on standby drain. If you want to root just for battery, then getting a spare battery + charger would be a better idea. But... The thrill of root and having full control of your device is an added bonus.
[Galaxy Note 4 General] dr.m0x:
Android os plundered about 70% of my battery while I was in airplane mode last night!

Time to root and install better battery stats I think
[Galaxy Note 4 General] 2crueal4u:
Second full charge....

I talk alot.. Most is on Bluetooth
[Galaxy Note 4 General] markyboy81:
What do you find to talk about for over 5 hours a day?! [emoji3]
[Galaxy Note 4 General] 2crueal4u:
Its not me.... Its my customers =)
[Galaxy Note 4 General] markyboy81:
Lol fair enough..[emoji3]
[Galaxy Note 4 General] bat0nas:
This is my normal day: 14hrs, 4hrs of sot.

Is this normal? Any comments?
[Galaxy Note 4 General] Lodix:
You played games, so it is fine.
[Galaxy Note 4 General] hiimimtayaz:
Can some one help with my battery drain....... note that I'm not rooted and have disabled most of the bloatware.

Why my ANDROID SYSTEM is so high usage. .. attached screenshots
[Galaxy Note 4 General] ShadowFlare:
Tap the graph to show the History Details, then post the screenshot of it. With both this and the History Details screenshot, we can paint a better picture of what causing the battery drain.
[Galaxy Note 4 General] kunlegzy:
I do not have problem running ART has my S-health apps is running perfect. That's my battery before I moved to ART though.
[Galaxy Note 4 General] kunlegzy:
To crown it all my benchmark but some people get like 50000 plus on antutu could it be as a result of LTE modem that is lackimg on my sm910h model which is a 3G modem
[Galaxy Note 4 General] Flomaster:
This phone had the best battery I've I've had on a phone.

Wifi on all day even though I get no wifi at work. Wifi once I get home.

Question.. Is it bad to leave the phone on the charger all night long, or should I only charge until the phone is at 100% and unplug it?
[Galaxy Note 4 General] markyboy81:
Some debate about leaving it on the charger all night but I do it and always have with every phone I've owned, with no obvious adverse effects.

Worse case scenario the battery MAY wear out quicker but if that happens just get another one!

And what's the alternative, keep checking it every 5 minutes until the exact moment it reaches 100%? Not very convenient!
[Galaxy Note 4 General] iridaki:
I don't know about the adverse effects of any, but what I do is I charge it before I go to bed, unplug it at 100% then put it on Ultra Power Saving until next morning. I usually wake up to 99% battery. I just feel better not having the phone on charge all night, though it may not be harmful at all.

iR¡D@k!* from Galaxy Note 4 via Tapatalk
[Galaxy Note 4 General] Flomaster:
I have an extra Samsung Galaxy N4 battery. I'll try the change it to 100% before bed and into power saving mode while sleeping.
[Galaxy Note 4 General] bat0nas:
24hrs of standby, 4hrs of screen time (email, gmail, internet, tapatalk), 400MHz almost gone after disabling s health and unified services and finally phone is in deep sleep.

I think I am happy with the result.
[Galaxy Note 4 General] t1337dude:
It's not necessarily "bad", it simply decreases the lifespan of your battery and its ability to hold a charge. Not likely by a huge amount, but I'm sure that if you constantly leave the phone on the charger every night, it will noticeably decrease the life of the battery versus unplugging it. Best thing you can do is unplug is at 90% If you want your battery to live a long happy life (and keep it from going under 30%) :good:

I've been strictly only using my phone from 90% battery to 40%. I can go 2 DAYS without charging. If I wanted to use the entire range of my battery, I'd likely only have to charge my phone twice a week. Still, it's pretty easy to find 30 minutes in my day to charge my phone (which is all it takes to go from 40% to 90%). This phone battery is probably the best battery in any mobile device I've ever used.
[Galaxy Note 4 General] ShadowFlare:
You don't need to be very careful with the way you charge. Just charge / leave it overnight if you want, it'd take a year before the battery starts to degrade noticably. Reason is it has removable battery, just buy another one when it starts to lose charge after a year.

Just enjoy your Note and not worry about your battery health.
[Galaxy Note 4 General] Ausboy 2011:
Lovin this battery life
[Galaxy Note 4 General] POLO_i780:
And people didn't believe me WRT +7hours SOT, that is brilliant Ausboy 2011 :) what model you using, Snapdragon or Exynos?

Here is mine today, 5h15min with 46% battery remaining, could easily hit +7hours but I'm bushed and going to bed now.

I believe that if stretched, one could get 8hours SOT, by I simply cant bring myself to do it, would require very heavy use.
[Galaxy Note 4 General] kunlegzy:
Mine
[Galaxy Note 4 General] michsu:
haha, you had a charge during the middle of the test.. if that's the case, I can do 50 hours on two charges.. :p
[Galaxy Note 4 General] kinghu:
Heh, not an accidental or forgotten quick 5 minutes transferring pictures to a computer either. That's a good 50% boost right there!

Why....?!

Sent from my 1+1
[Galaxy Note 4 General] Governuh:
How come my note is awake this often? battery drain during the night is ridiculous. Any ideas on how to figure out what's causing this?
[Galaxy Note 4 General] Ausboy 2011:
Im exynos model and I could do 8 hours sot easy if i stayed on wifi 9/10 im on mobile data. Still manage 7 hours but :)
[Galaxy Note 4 General] POLO_i780:
Samsung have done a great job despite QHD, this thing gets incredible batt.

I wonder how far it would go if using Ultra Power Saving from full charge, lol, now that would be intruiging, maybe one day when on holiday I'll give it a go, next month.
[Galaxy Note 4 General] tmac31:
yes i thought qhd screen would be a battery killer and unneccesary. but after my snapdragon note 3 battery is really better on my exynos note 4 too and screen absouletly looks amazing and difference is easyly noticable in everywhere.. touchwiz is mostly debloated by samsung too i think it helps alot. i was getting 5-5.5 hours on my note 3 i m getting 7 hours mostly with mobile data on note 4 too.
[Galaxy Note 4 General] michsu:
Do you guys have email or exchange set up? How come you guys are getting so much battery? I enabled deep sleep now for more than 80% of the time using DS Battery Saver and Memory Booster when I turn off the screen (always deepsleep mode).. well, I was getting 4 hours OST already before and that's halfway through the battery.. let me do another test... what brightness do you guys set it at? Auto? 10%? 50%?.. what about keeping the radios on/off? For deepsleep, they all go off (Mobile/Wifi/GPS) until I turn my screen back on..
[Galaxy Note 4 General] tmac31:
1st i dont use anything like memory cleaner or something i dont even close my opened apps i just let the phone do its thing. i dont use power saving mode either. i have 3 mails connected via gmail app refresh is at 30 min or something and generally i have 2 hours talk time too. its my business phone no game mostly browsing whatsapp viber etc.. and its connected via bluetooth to my car for 2-3 hours in a day. dunno what i can add atm.
[Galaxy Note 4 General] donkon:
Reading this thread I'm guessing my battery is actually not that bad? I am getting 6 hours SOT with over 1 day on battery time on power save mode with memory booster pro and DU Battery sqver pro. My last phone the LG G2 I had 8 hours SOT without power save mode and extra apps. My dad has a Z3c and gets over 1 day SOT and 3 days on battery time .

The fast charge saves this phone from me and many people complaining about the battery I guess. Just wondering how was the battery on the Note 2 and 3 ?

Sent from my SM-N910F (Note 4)
[Galaxy Note 4 General] tmac31:
kidding about z3c battery i guess. and note 2 was like note 4 and note 3 was worser for me.
[Galaxy Note 4 General] michsu:
ok thanks for the reply.. I'll see what I get at the end of the battery life.. never ran it down to 5% before.. always charged at 20% or so.. I'll do a test and see what I get.. I don't have any games on mine either.. but I have three emails on push schedule (maybe that's why).. I usually just play a video on screen the whole time(Crunchyroll anime, haha) to give it a good run... I'll run a 30 min video now and see what battery percent I get after.. I was getting about 45 minutes before it reached 90% before.. at that rate, it would be 450 minutes => 7.5 hours OST estimate (I don't think you can really do that, but just an guess)..
[Galaxy Note 4 General] donkon:
Actually I am very serious about the z3C .

Sent from my SM-N910F (Note 4)
[Galaxy Note 4 General] michsu:
wow, z3C can do over a day on OST?
[Galaxy Note 4 General] tmac31:
my ipad air barely get 8 hours... and according to other tests done by phonearena etc z3c mostly better than note 4 for like 10% so its just impossible. its probably misunderstood your dad is probably charging his phone where ever he finds and pulls charger without it goes full. no phone can even get 24 hour video with flight mode and low brightness. its basically the lowest usage scenario.
[Galaxy Note 4 General] donkon:
My decision personally in the ended up being between the Note 4 and the Z3C for that sole reason . But I prefer having a bigger screen and S-pen . Theres a site that compares all the batteries of 2014 smartphones and the Z3c tops the other phones by a large margin. When my dad showed me the stats I was blown away. Mind you he doesn't play games and rarely watches Yt.

Sent from my SM-N910F (Note 4)