yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy Note 8 Guides, News, & Discussion] CalvinL:
I charged it last night. Only drained .6% per hour last night. This phone goes from amazing to crap idle battery life for me.
[Samsung Galaxy Note 8 Guides, News, & Discussion] Venom0642:
Best way to fix that do a factory reset, i know no one likes to do that, but that will definitely fix it, cause i can charge my phone at 100% unplug it sleep 8 hrs wake up and battery is at 98% , So something is wrong on your end.
[Samsung Galaxy Note 8 Guides, News, & Discussion] CalvinL:
My old Note 8 had the same issue and I did like 5 factory resets. On my prior phone, I tried a factory reset and I didn't use bk disabler for any apps, but it would still have high idle drain. The fact that it keeps alternating between good battery life and bad makes me suspect it's an app, but I don't know what app it is.

I also noticed that for this phone and my previous Note 3, I had an issue where it would keep asking me to input my email password. It would say it couldn't retrieve my emails and I would have to input my password again. I use the Samsung email app. I only use gmail and hotmail.

Also, the massive idle drain doesn't come out of nowhere. It usually happens after I do a complete charge on my phone. When it reverts back to decent idle drain, it's also after I do a full charge on my phone. I'm not 100% sure if this is always the case since I use GSAM to track my idle time, and it's harder to tell if there's massive idle drain if my phone has been in use all day.
[Samsung Galaxy Note 8 Guides, News, & Discussion] Venom0642:
If i was you only thing you should disable is bloatware from the settings, don't disable nothing else with disabler app, if that's what your using i have BK Package Disabler and only 2 things i have disable is theme store and theme center with tasker so ny Custom Samsung theme sticks!

Running On Samsung Galaxy Note 8 Wicked Venom
[Samsung Galaxy Note 8 Guides, News, & Discussion] CalvinL:
Sorry, I edited my previous message. I just remembered that my previous Note 8 was factory reset and I didn't even use BK disabler, but it still had alternating battery drain.
[Samsung Galaxy Note 8 Guides, News, & Discussion] shotguntheenforcer:
Try booting into safe mode and see if the drain is the same overnight.
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
98% that's good. Do u use aod
[Samsung Galaxy Note 8 Guides, News, & Discussion] Venom0642:
Yes i do , never disable!

Running On Samsung Galaxy Note 8 Wicked Venom
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
That's crazy lol if I use aod I'm losing minimum 10% overnight
[Samsung Galaxy Note 8 Guides, News, & Discussion] CalvinL:
Ok, so I noticed a few things. My battery drain was great until about 70%--I think this number is arbitrary, but it shows that the fast drain happens randomly even if it was draining slowly beforehand. I decided to boot it in safe mode, but it seems like it's draining at the same speed. So what the hell is making my battery drain so fast at random periods of time?
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
Could be your signal. Is it draining faster when you leave your house and start using data? Are you going to a certain location? Mine drains faster when at work cause my signal is weak there
[Samsung Galaxy Note 8 Guides, News, & Discussion] RaymondPJR:
Same here. That's my only battery complaint. My Note 7 never did that.
[Samsung Galaxy Note 8 Guides, News, & Discussion] themaximillian:
Same for me.

My S7 Edge didn't even show AOD in the battery stats and my co-workers S8+ doesn't show it either.

Eagerly awaiting a firmware update that fixes this...

Skickat från min SM-N950F via Tapatalk
[Samsung Galaxy Note 8 Guides, News, & Discussion] shollywood:
Coming from S8+... This things battery is atrocious. I'm barely using it and it's dropped to 54% in about 5 hours...wow
[Samsung Galaxy Note 8 Guides, News, & Discussion] CalvinL:
I do have a weak WiFi signal in my room, but I've placed my phone next to my window and router, I've tried turning off my WiFi, and I've tried going into airplane mode, but it doesn't seem to help the drain. I finished charging my phone overnight, made two very short calls, and it's down to 97. As I'm typing this, it has dropped down to 95.

---------- Post added at 04:09 PM ---------- Previous post was at 03:53 PM ----------

[IMG="Battery use"]https://i49.photobucket.com/albums/f262/Pyeclam/Mobile%20Uploads/Screenshot_20171026-154230_zpsotbvxvbg.jpg[/IMG]
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
I've been using the option in device maintenance to put apps in always sleep mode and it has helped with my battery. It's like a built in greenify. Yesterday I played a bunch of clash of clans , watched YouTube, browsing, some XDA and a lot of group me and Instagram and with 8% left I have over 6 hours screen on time
[Samsung Galaxy Note 8 Guides, News, & Discussion] CalvinL:
I full charged it and didn't touch it for 9 hours. Left with 65% when I woke up. 7 hours of deep sleep, 2 hours of light.

[IMG="battery drain"]http://i49.photobucket.com/albums/f262/Pyeclam/Mobile%20Uploads/Screenshot_20171027-142937_zpsfrhzt9rj.jpg[/IMG]
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
The way Samsung is showing battery usage is very very weird. I've been home sick all day and have literally been watching YouTube for like 4 hours but yet it's at like 6% usage lol

I'm at 5 hours sot and have about 30% left
[Samsung Galaxy Note 8 Guides, News, & Discussion] shollywood:
I agree! Mine showed 4% SOT listed as number one in usage, But battery dropped to 54% in 4 hours. My total usage was about 15 minutes tops.....
[Samsung Galaxy Note 8 Guides, News, & Discussion] MatroxD:
Mine is going insanely good.. I listen to music all day at work on it (at least I have so far), not plugged in.. I do not have a Odon, because it was draining the battery took fast, and I tended to be in and out, skipping through tracks anyhow... But I am most satisfied with it so far.. For sure..
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
When you click on device idle is the "time on" supposed to show the whole time the phone has been off the battery? I've never looked into it before.
[Samsung Galaxy Note 8 Guides, News, & Discussion] MatroxD:
Not too sure honestly(I would if I was having a pretty massive drain, like it was sitting there and losing 20%in an hour, which is indicative that it's not going to sleep). But I don't think so from previous years. I think it's supposed to be how long your phone actually has been sleeping.. That's if I remember correctly..

Honestly, I never have been too concerned with the idle time(after I stopped using things like Facebook that were massive drainers). I'm more concerned with the screen time and how long the battery lasts for me. Though, I am sure, if course, the idle time plays into it also...
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
I was asking because my idle time literally shows the whole time the phone has been off of a charger. Can you check yours if it says the same? I attached a screenshot to show
[Samsung Galaxy Note 8 Guides, News, & Discussion] MatroxD:
Yes, mine does say the same (Time I am off the charger). But thats what I was saying.. I don't think that is the correct value being displayed.. From what I remember, it should be the time that it is completely idle.. But then, who knows what they have done in the software.. Or.. It could just be a bug that isn't displaying correctly on that particular screen..

I used to be very good with wake locks, but I haven't messed with that in a couple years (since the root has been more difficult, I have gotten rusty and more used to just going with the flow.. That, along with package disabler)..

But I don't, in all seriousness, think that's accurate.. And I'm my car, I'm not too worried about it.. But.. I can see if your not getting good battery life out of the unit..

But I think, and have thought since i got my handset a couple things:first, is very fast.. Second, because it's fast, it gives a lot of room for, even stock experiments.. That's how I came to the AOD being a major drain on mine.. Just honestly, by turning that off, well, these are the results.. And I came from a note 5, and before that, the 7. This phone acts and feels more like the 7,but in an improved way.. Because of these things collectively, I did a few things.. Turned off the AOD(I don't need it honestly), my default of removing the battery percent from the notification, and then go to mid power saving and turn down the resolution.. Lol, my eyes can't see the difference, so why waste my battery.. And then, disable all the Verizon junk(except voicemail).. That's all I did.. I could do more I'm sure, but I like the phone to have is features that I use..

But try turning off the aod, to see what your results are.. If your unit is like mine, you may be very pleased with the results..
[Samsung Galaxy Note 8 Guides, News, & Discussion] Skelper:
I can't believe samsung stopped making the wirelrss battery packs. Sucks balls. I got 13hrs sot under heavy lte use with 1 on my note 7 & charged at 20%
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
You guys should look for the thread of an app called hibernator. The dev will give u a free promo code and you can hibernate system apps as well. I went to sleep with 100 and woke up to 98 so it helped a lot
[Samsung Galaxy Note 8 Guides, News, & Discussion] jason504:
Try adaptive Wi-Fi and see if that helps
[Samsung Galaxy Note 8 Guides, News, & Discussion] MatroxD:
Maybe, and I thought about it, but I'm using that app.. Give us a rundown one you need to charge again.. Now I'm curious..
[Samsung Galaxy Note 8 Guides, News, & Discussion] CalvinL:
I just factory reset my phone. I've only installed like 3 apps and haven't disabled any. The battery drain is back to normal, but it was normal for a while back then before it went to crap back then too. Going to keep an eye on my battery.
[Samsung Galaxy Note 8 Guides, News, & Discussion] gCloud:
As I mentioned on the other thread, not all our batteries are the same.

From reading around forums, it seems to me that although design capacity of the battery is 3300 mah, some note8s arrived with 3450 mah and others as low as 3150. The 300 mah difference is 90 mins SOT.

i checked mine after about 2 weeks of recieving it had capacity 3182 after 12 cycles. Exynos dual SIM.

To check your battery go to*using it favourite no stock file manager.

/sys/class/power_supply/battery/

Scroll down to the fg_fullcapnom & Fg_cycle

Open with any text viewer

Fg_ fullcapnom - is your current battery capacity in mAh.

Fg_cycle - is charging cycle count.

Post your capacity and charges.
[Samsung Galaxy Note 8 Guides, News, & Discussion] Shuthefrontdoor:
My note8 loses 2% overnight with no effort. Android 7.1 is really good at resource management. But even my s8+ would only lose 1% overnight with Android 7.0
[Samsung Galaxy Note 8 Guides, News, & Discussion] freeskater2:
Mines 3353
[Samsung Galaxy Note 8 Guides, News, & Discussion] gCloud:
Mins has gone down to 3160 in the last 3 days.

My wife's launch day s8+ is at 3138 (107 charges)
[Samsung Galaxy Note 8 Guides, News, & Discussion] kratos9500:
how the hell people are getting 5+ hours SOT on high usage , I hardly get 4 hours of sot with fb , browsing , Fhd+ and med brightness , Edge /Aod OFF
[Samsung Galaxy Note 8 Guides, News, & Discussion] Venom0642:
Lol i get 9hrs SOT on my Note8 and 11hrs SOT on my S8 Plus lol!

Running On Samsung Galaxy Note 8 Wicked Venom
[Samsung Galaxy Note 8 Guides, News, & Discussion] kratos9500:
how , thats the question
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
Cause Facebook.
[Samsung Galaxy Note 8 Guides, News, & Discussion] mikespe:
Cuz peoples gotz no life and are on their phonez too much!!!
[Samsung Galaxy Note 8 Guides, News, & Discussion] VerucaSalt:
Try Frost for Facebook.

It's so much better.
[Samsung Galaxy Note 8 Guides, News, & Discussion] CalvinL:
Ok, so I might have the reason why my battery has been draining like mad. I've been using it with minimal apps, nothing disabled. I decided to finally add my email accounts to the Samsung email app. It's draining at 2.3%+ per hour right now.

I only have two accounts, gmail and hotmail, with neither pulling in too much mail. However, I've had problems with hotmail before where it will be unable to log in to my account for whatever reason or it would ask me to input my password. This happened on my Note 3 as well. I'm going to try and disable Hotmail to see if my battery idle improves, and then I'll try disable all emails.
[Samsung Galaxy Note 8 Guides, News, & Discussion] MatroxD:
Or Phoenix.. I use it and like it very much..

Sent from my note 8
[Samsung Galaxy Note 8 Guides, News, & Discussion] jason504:
The only thing about using frost or metal is I can't enlarge pictures to look at
[Samsung Galaxy Note 8 Guides, News, & Discussion] Shuthefrontdoor:
How come fg_cycle shows 0 for me?
[Samsung Galaxy Note 8 Guides, News, & Discussion] j_hansen:
I always found FB and it's messenger were battery killers, now I only log into it via browser every now and again
[Samsung Galaxy Note 8 Guides, News, & Discussion] themaximillian:
N950F Exynos:

AOD on

Location on

NFC on

Quite a lot Clash Royale

Mostly 4G(75%)

Where thing is that AOD only shows 1% drain in the app manager, anybody got the same?
[Samsung Galaxy Note 8 Guides, News, & Discussion] Dpk1:
Here's my day's use of the note 8. Almost 1 day standby with 22% battery still left and 6+ hrs of SOT! It included mostly browsing internet, watching videos, camera use, some calls and whatsapp etc. Settings - display wqhd+, auto brightness, AOD off, wifi always on, LTE data on (used approx 20% of the time) location/sync off, default performance mode, all stock software with few disabled apps like facebook, google+ etc. Dual sim use with poor network coverage (at my home).
[Samsung Galaxy Note 8 Guides, News, & Discussion] pyraxiate:
Yeah....... This isn't accurate. I can get 6-7 hours of screen on time in general watching Netflix on auto brightness at middle level. Snapdragon variant here. Maybe that's the right place for exynos to report the capacity but not in my case lol
[Samsung Galaxy Note 8 Guides, News, & Discussion] pyraxiate:
This app actually measures the current for discharge and charging. These numbers look more appropriate
[Samsung Galaxy Note 8 Guides, News, & Discussion] Shuthefrontdoor:
I get the same exact #'s when checking those files but I get average 6-7.5 sot
[Samsung Galaxy Note 8 Guides, News, & Discussion] gCloud:
I don't know. Is battery_cycle also 0?

My battery capacity is down to 3107 and this is inline with what accubattery reports. What is you battery capacity reading?

---------- Post added at 10:26 AM ---------- Previous post was at 10:22 AM ----------

I think with sd u multiply by 2 so 3264.

I been looking at his for a week. It goes down with every charge :)
[Samsung Galaxy Note 8 Guides, News, & Discussion] gCloud:
Accubattery needs few charges to nail it. Also if wirless charging accubattery readings skew.
[Samsung Galaxy Note 8 Guides, News, & Discussion] pyraxiate:
Good info to know. Luckily my battery is good to go lol. I do wireless fast charge a lot too. Just to note.

Another thing, I used the built-in app and made sure any and every app that I didn't absolutely need running constantly was shut down when idle. I have maybe 15 out of 400 apps that are allowed to stay running. All the others I can easily open when I need it. I'm sure that helps conserve battery.

Something else I did was calibrate the screen to get deeper whites. It was very red tinted initially. I just followed a thread in here in which you input a diag code into the dialer and set red balance down after changing the temp for blue and green up in settings. Not sure if that made a difference since the screen tends to be the biggest drain on battery for us. Just something I had already done.

Hopefully trying these couple things helps someone currently getting terrible battery life.
[Samsung Galaxy Note 8 Guides, News, & Discussion] En Kee:
N950F Exynos

Rom stock rooted with Notorious Kernel

AOD on

Wi-Fi on

Location on

Bluetooth on few hours

8h40 SOT
[Samsung Galaxy Note 8 Guides, News, & Discussion] CalvinL:
Ok, WTF is wrong with this phone? I rebooted it and thought it was just my hotmail causing massive battery drain. After factory resetting it, it's back to draining 3% on idle after a week or so.

EDIT: I decided to turn on airplane mode and sleep. It slowed my battery drain to a crawl. So there's something that's mysteriously draining my battery. Could it be my wifi? In my old phone, turning off the wifi didn't do anything for my battery life. Maybe this is a different issue? I have pretty fast wifi, and for some reason it took forever to download a small app last night. This isn't the first time this has happened. It was slow even when I was standing next to my router. My internet elsewhere was perfectly fine too.

Tried turning off location, same thing. I have no idea what is causing this battery drain.

I charged it to full, it's back to draining at a slow rate. What could possibly charging my phone to max change that would result in it no longer draining so fast on idle? This happened with my old Note 8 also.
[Samsung Galaxy Note 8 Guides, News, & Discussion] ruffruff:
"I have pretty fast wifi, and for some reason it took forever to download a small app last night" - Which wifi band are you using? Sometimes that 5ghz channel might have impact to certain phones.

Could it be weak mobile/wifi signal? What apps do you have on your note?

My note drains 1 percent per hour at nite when I sleep.
[Samsung Galaxy Note 8 Guides, News, & Discussion] CalvinL:
When it's draining slowly, it's around .5% drain per hour. No AoD or facebook. I thought about it being because of 5ghz band, but it seemed to drain even when I turned off wifi.

My list of apps:

Wechat

Gboard

Google Translate + Map + Calendar

GSam

Kindle

Steam

Photobucket

Slickdeals app

Twitch

Dictionary

Remote Desktop

SketchbookX

Beautiful Widgets + HD Widgets

Bk Disabler

Samsung Pay
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
Go to device maintenance and under battery go to always sleeping apps and put all your apps in there. If the drain stops it could be one of the apps
[Samsung Galaxy Note 8 Guides, News, & Discussion] Venom0642:
After New OTA Update on AT&T Note 8 Battery Life is still Excellent!
[Samsung Galaxy Note 8 Guides, News, & Discussion] Majin101:
How the hell.... ?
[Samsung Galaxy Note 8 Guides, News, & Discussion] MKchrias:
4,985 mah battery?
[Samsung Galaxy Note 8 Guides, News, & Discussion] koolboyztn:
how is that even possible when Note 8 battery capacity only 3300mAh and your already 3340mAh with 3% left
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
Not to mention that's just the power used by screen. You have to add all the mAh used by other apps
[Samsung Galaxy Note 8 Guides, News, & Discussion] pyraxiate:
Mines rated higher than 3300 too. I read somewhere that some got better batteries than other. It's likely that they are all 3500 mAh but they were capped lower than max. Think of chip binning for processors. Same concept.

Mine says it's roughly 3450 mAh max. Others weren't so lucky...
[Samsung Galaxy Note 8 Guides, News, & Discussion] Venom0642:
Mines rate 3810 funny as hell but yeah, and my S8 Plus rates over 4000 lol!
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
That's just whats used by his screen. Not the capacity.

Your screen is 67% and has used 3340mah. So doing the math you're trying to say that your battery has a capacity of 4985. Yeah Idk about that.
[Samsung Galaxy Note 8 Guides, News, & Discussion] Venom0642:
I said 4000 on S8 Plus here's one i saved that almost reached 4000 on S8 Plus
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
I'm not accusing you of lying lol idk if your phone is showing it different but what I'm saying is the mAh shown on the second screenshot is only what's used by your screen. So is it shows 3700mah that means that's what was used by screen only. And if screen is 67% of the battery usage that mean 3700mah is only 67% of your battery capacity. And if that's the case then you have a supernatural battery.
[Samsung Galaxy Note 8 Guides, News, & Discussion] butchieboy:
Not bad considering I can only charge to 80%

SM-N950U.(Root so good you wanna slap your mama)
[Samsung Galaxy Note 8 Guides, News, & Discussion] browniegirl:
I thought they had a fix to where you can charge to 100%
[Samsung Galaxy Note 8 Guides, News, & Discussion] butchieboy:
Not when rooted with SamFail on Snapdragon

SM-N950U.(Root so good you wanna slap your mama)
[Samsung Galaxy Note 8 Guides, News, & Discussion] chacho_2me:
What is that theme? Substratum or theme store?
[Samsung Galaxy Note 8 Guides, News, & Discussion] Venom0642:
My own Custom Samsung theme called Wicked Venom Theme
[Samsung Galaxy Note 8 Guides, News, & Discussion] SiNJiN76:
Heard 80 is prime for battery longevity.???
[Samsung Galaxy Note 8 Guides, News, & Discussion] butchieboy:
Yep thats what I read also thats why It doesnt bother me[emoji106]

SM-N950U.(Root so good you wanna slap your mama)
[Samsung Galaxy Note 8 Guides, News, & Discussion] jason504:
I was getting 6hrs plus of OST when I first got my phone September 7th. Now I am getting around 5 1/2 hrs still great. I am happy no complaints here.
[Samsung Galaxy Note 8 Guides, News, & Discussion] CalvinL:
Sorry it took so long to respond, but my phone hasn't drained like crazy for some reason since I last posted. I don't think it's because of the ATT update last night, but it started draining a lot after my last full charge.

This time it was draining at like 4% per hour. I went to my apps and put them all on sleep, but it hasn't slowed down the drain at all. This seems to be a very weird thing the Note 8 does sometimes. Maybe it happens to other people's Note 8's, but they don't monitor their idle drain as closely as I do. I wouldn't even be monitoring it this hard if it wasn't draining like this so randomly.

Also, my mobile data is turned off and I'm only on Wifi. According to NetX, I'm getting -67 dBm.
[Samsung Galaxy Note 8 Guides, News, & Discussion] wcr84:
Remember the good old days when it seemed to be easier to root, customer recovery, and slap a stable CyanogenMod build on. Would love that for this phone. I believe alot of the battery drain is on the software end on Samsung's part. Just my opinion
[Samsung Galaxy Note 8 Guides, News, & Discussion] Venom0642:
Still getting excellent battery life AT&T Note 8!
[Samsung Galaxy Note 8 Guides, News, & Discussion] Malik828:
Try playing YouTube or asphalt 8 you will get pretty bad battery life
[Samsung Galaxy Note 8 Guides, News, & Discussion] Venom0642:
Not true i have used YouTube Over 2 hrs before and i still get 9hrs SOT , i don't use asphalt 8 , Difference is i didn't use YouTube this time may have only watched 3 to 4 videos on YouTube , Since was spending time with family on Thanksgiving!
[Samsung Galaxy Note 8 Guides, News, & Discussion] MatroxD:
This device is utterly amazing! This is the most SOT Thinki have ever had one a standard battery.. And this is after the updates.. I wish I could take credit, but it's got to be the hardware... But this is utterly excellent..
[Samsung Galaxy Note 8 Guides, News, & Discussion] note3userr:
Can you share your settings and everything. Including theme and what apps u have disables