Database Users

Loving the 1500 Battery

Now that I am not constantly on it, heres my typical usage. It's currently at 27 percent.
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Could too enlighten me further what exactly is the 1500 battery?
Pooped from my Samsung Vibrant using XDA app...
Dont mind the skidmarks...

^ the stock battery is 1500...

Indeed I've gone overnight without a charge and heavy usage the next day and still wasn't 1/2 way depleted. I think the Super AMOLED has a lot to do with the awesome battery life.

envaderx said:
Indeed I've gone overnight without a charge and heavy usage the next day and still wasn't 1/2 way depleted. I think the Super AMOLED has a lot to do with the awesome battery life.
Click to expand...
Click to collapse
"HEAVY usage" is relevant. I've had my Vibrant for 3 days and the battery is unimpressive to say the least. Hopefully, it will improve.

I am not sure what you have to do to prolong the battery life besides not doing anyhting, i.e. I was in the woods this weekend with no service at all, kept the phone in flight mode, used it to snap 3 pictures and 3 vids no more than 1 min each - the result is impressive - unplugged the phone at 7:30AM and by 4PM I had 70% left. Woohoo, I guess, the phone did nothing for 8.5 hours and only drained 30%.

I unplug my phone everyday around 6am and as of now, which is 7hours later I'm sitting at 92%.
What have I done on it as of today? 4 phone calls, 3 emails, took some photos.
Things I don't do all day.
Watch avatar over and over, let it idle on 3G for no reason, let it idle on wifi for no reason, turn off auto brightness.
I do have a regular schedule of charging.
I plug it in around 11pm turned off
I turn on my phone around 540am and leave it on the charger. I'm always greeted with the Its full unplug message around 6am.

how come your display use is only 8 percent mine is like 74 percent even tho i have it set on the lowest possible......

flameinthefire said:
how come your display use is only 8 percent mine is like 74 percent even tho i have it set on the lowest possible......
Click to expand...
Click to collapse
Thats saying out of all that time his phone has been on, his screen has been on 8% of the time.
If you use your screen a lot the number will be higher and I'm sure the more battery that would be used.

Great results so long as you don't need any network access for email accounts to work. That's not really an option for a lot of people. I have to have either 3G or WiFi on at all times to receive emails. SMS messages will come in over GSM so if that is what you do rather than email than you can turn off WiFi and 3G and still do texting.

Email works just fine over 2G (EDGE). I've found that setting it to 2G-only while keeping WiFi enabled (setting to stay on during standby) if in one location for a long time works better than keeping 3G enabled.

YMark said:
"HEAVY usage" is relevant. I've had my Vibrant for 3 days and the battery is unimpressive to say the least. Hopefully, it will improve.
Click to expand...
Click to collapse
What is your build date? Find manufacturer date on box or inside phone.

I get good battery life... only gone down 1% since I unplugged it from being fully charged in 30 minutes with the display usage at 84% with GPS on.

KerryG said:
Great results so long as you don't need any network access for email accounts to work. That's not really an option for a lot of people. I have to have either 3G or WiFi on at all times to receive emails. SMS messages will come in over GSM so if that is what you do rather than email than you can turn off WiFi and 3G and still do texting.
Click to expand...
Click to collapse
yeah, tomorrow, i'll try to leave wifi and 3g on all day and come back with the result.

Checked my standby draining today. Lost 10% in 7 hours and 10 min. Look good, no ?
This is with: Google account sync calendar and contacts, push exchange email, 3g, auto sync
Must add that Tasker is also running and set to check everything to 30 min intervals

I have owned this phone since day one and am convinced that wifi is the biggest battery killer for me. I unplug it at 730am in the morning listen to live stream podcasts on the way to work and back (35 min commute). Make a few calls and texts, check all my normal websites on my breaks and when I get home at 630, I still have about 60%. In the settings I leave gps off and wifi on so when I get home its automatically on. By 930 the phone is at 15% so I am convinced its the wifi.
Having a screen this nice is worth the mediocre battery life, its actually better than my g1's battery life, so I am happy.

2800 Mah batteries on the way...
http://cgi.ebay.com/Samsung-Vibrant...00-mah-5-off-/130424331592?pt=PDA_Accessories

kizer said:
Thats saying out of all that time his phone has been on, his screen has been on 8% of the time.
If you use your screen a lot the number will be higher and I'm sure the more battery that would be used.
Click to expand...
Click to collapse
I'm not sure, I think it means of all the battery that has been used, 8% of it went to the screen. I would also like to know how you got that fantastic number! I usually have my brightness on minimum since I mostly use it indoors, and the screen is by far the largest consumer of battery power, even on days where I mostly listened to music (local, not net streaming) with the screen off...

I'm definitely getting better battery life out of this than my previous smart phones. Currently at 55% 1d20h unplugged. Light use, but still.

Bad battery life after 107 update

Just like the title says. I have checked all my settins syncs which programs are running in the background and so forth.. so im sure its not that..
Anyways here goes.
Before the update I could get about 12-14 hrs of use out of a full battery charge, however after this update I can only get about 5-7 hrs out of a charge.. Nothing had changed.. my usage is the same, my wifi,bluetooth,gps,4g are all off. I don't have any programs syncing or updating in the background.. So i have NO CLUE as to why my battery life cut in half after this update.

I already posted this elsewhere......my battery life was really great before this update.
Same exact settings now as before, plus the phone was reloaded to factory settings by the Sprint store first as I was having some other issues...email not coming through timely, cell signal falling and dropping calls, etc.
My battery life is now 1/2 of what it was prior to the D107 update.

I would say wait and see. When I would flash roms on my HTC phone the battery would die quickly for awhile. After 2-3 full charges it would go back to normal.

Check Cell Standby in battery status. See if Time without signal is 50% or more.

Cell standby is 18% and time without signal is 7%

My time without signal is only 2% So I'm not sure what is going on to make my battery life soo bad.

i got 9 hours today with decent usage where before if say 12 or so ... since the update my time without signal is in the 30-50% range on average & it was 3-4% before .. im a little frustrated on that & i know its taxin the battery a little so . . .

my update has really screwed my battery life. I notice too that Juice Defender keeps reading at 1.00x instead of 1.6-1.8 before the update. I also notice my TWS was at 50-52%. I tried the Airplane mode toggle and it didn't do ****. I really love this phone, but i'm about to return it and try another before my 30 days is up.
So far, i'm concerned with:
back button is not consistent (works sometimes sometimes it sucks)
TWS over 50% of battery consumption.
upgrade made juicedefender not work
little wobble in the phone but not too bad
scratched screen just from rivet in jeans
AND pissed about the tv out that sprint omitted

jemarent said:
my update has really screwed my battery life. I notice too that Juice Defender keeps reading at 1.00x instead of 1.6-1.8 before the update. I also notice my TWS was at 50-52%. I tried the Airplane mode toggle and it didn't do ****. I really love this phone, but i'm about to return it and try another before my 30 days is up.
So far, i'm concerned with:
back button is not consistent (works sometimes sometimes it sucks)
TWS over 50% of battery consumption.
upgrade made juicedefender not work
little wobble in the phone but not too bad
scratched screen just from rivet in jeans
AND pissed about the tv out that sprint omitted
Click to expand...
Click to collapse
The back button is a defect in an early batch of phones.. If you swap it, you will probably get a working model..
My email app didn't sync after the update, so I had to reinstall Roadsync. It might be the same thing with JuiceDefender.

My battery is getting much better. Not sure if it is the galaxy rom, the update or my battery is just getting conditioned better. I unplugged my phone this morning and have been on it constantly web browsing, music, 4g, 3g, lots of tapatalk use. 36% left and just approaching 4hrs of being unplugged.
Sent from my SPH-D700 using Tapatalk

How do you roll back this update.
Sent from my Samsung Epic 4g using XDA App

after i re-flashed and updated, ive experienced big drops from the 90% zone to like 75% in a short amount of time but then the decrease stays pretty slow.
im using adv task killer on maximum and juice defender
this combo works pretty well for me, i cant explain the 25% loss. I think my battery still needs calibration, but i get around 14-18 hours normally.

I've noticed the increased battery drain also. I've been tracking it the past couple days with Spare Parts. If you open Spare Parts, click on Battery history. If your phone is running like mine is right now, the Running time is at almost 100%. That means that something is preventing it from sleeping. Next, click the tab that says "other usage", and change it to "Partial wake usage". Mine is showing that Android System is the culprit, causing the partial wake lock. It was not doing this before the DI07 update. I did a factory reset this morning and the only app I installed was Spare Parts, just to make sure it wasn't an app I was using. I get the same results on a fresh clean ROM as I do using noobnl's ROM. NOT COOL!

Well my full run through of the battery is over. I've turned a new leaf about the battery on this. I'm keeping the Epic.
Conditions: Was at zero brightness for about 4hrs of this. Set it to 0 after getting to work. You can see the screen perfectly fine at 0 indoors. (30 minute ride)
GPS - Off except the couple times I checked out google earth
Sync - full manual syncing / with background data on to use the market
Usage: Heavy heavy usage for all but 20 minutes. Total time with screen actually on was about 4 1/2 hours. Lots of tapatalk use, streamed about 20 minutes of CNN via Slingplayer, Streamed about 10 minutes worth of music via last FM. Dolphin browser usage. About an hour of total usage was over 4G
No task managers (well Androids but that doesn't count), no juice defender.
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After all that it has been sitting at 3% for 20 minutes (after taking the ss) with no usage as I wait for it to finally die and write this post. Just over 5hrs straight of near pure 3g/4g data usage over various applications and multimedia is perfectly acceptable to me. This is WAY longer than the average consumer laptop would get under similar usage w/ an aircard.
If I didn't use the phone like a miniature laptop so heavily and just kept it to normal use and some phone calls with auto brightness on I'd guesstimate I'd easily get 10 hours or so if not a lot longer out of it.
Running: Andromeda Galaxy Rom 1.0.3

the reason your getting bad battery life is because it reset all your battery stats. it's going to take a couple days til your battery life gets better. try the bump charging method.

Unusually high battery drain in deep sleep with just GSM on

After freezing some twenty applications with Titanium Backup, I finally got this phone to properly enter deep sleep. Here is a quick demo:
(I'm sorry for the images' quality, it's ScreenFilter in effect)
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I only have the HD2 to compare, which, either with WM6.5 or Android (CM7 flavour), reported, with its builtin battery chip, 4mA of drain to stay connected to the GSM carrier.
Surely enough, since silly Samsung doesn't like to use decent battery controller chips in their 800USD flagship phones, which any HTC device has, the estimates from Battery Monitor Widget, as, per se, estimates, so I cannot really say the numbers are exact, nor I have a definite idea of how they are calculated.
But still:
And, more in detail:
(yes, I know I could've copy/pasted the txt log in here, but surely a screenshot is nicer to look at )
I shamelessly forgot to take a shot of the Android stock battery usage screen, to which I actually look quite seldom; to my defense though, all these screenshots have been taken one after the other, so refer to the same moment; I had the phone charged, then unplugged it and reset the timer on CPUspy, WiFi stayed on just for a while, then disabled; no GPS, no BT, "GSM Only" selected in mobile networks.
I have found a weird behaviour: the drain is 2mA (according to BMW estimates) for quite a while right after the battery is charged. When you happen to actually "use" the phone for a while, the deep sleep drain instead, as estimated, skyrockets up to 30-40mA, to slowly go down again, but never quite low as the drain on my HD2. In the attached screenshots, it stabilized to 17mA, which is still 4 times the comparison of 4mA for the HTC.
A silly deduction: this must not depend on the kernel nor the ROM, since the deep sleep state has the CPU totally inactive, but is there a "radio firmware" that changes this behaviour?
Most importantly, what are your deep sleep mA readings with Battery Monitor Widget?
On a side note, I briefly connected the Note to my PC via USB to copy over the screencaps, and now after a short USB charge, BMW is reporting 2mA again...

How about sharing what apps you froze?

Without giving a full list (that would be dispersive and especially I would have to write it by hand which is annoying ) I suppose you can start with the obvious, all samsung apps, especially the updaters, and those that have a huge internet background activity (freezing IM+ in my case helped, but that sucks if you use chats a lot... I dont), then pass onto the tricky ones you would never suspect, like Network Location and Google Maps/Google Streets
If it doesn't solve your problem let me know, I will go and compile a list, but keep in mind that at first I just uninstalled system apps from Titanium, so the frozen list will be uncomplete of those uninstalled apps.
Quick update: for just this night, I tried leaving the phone on in airplane mode: 8mA drain just to be in connection-less standby!! That's ridiculous, it drains double with no connection active whatsoever, than what the HD2 needs to keep the GSM network connected. Re-enabled the GSM this morning, went to 17mA, so I suppose the 2mA that I see right after charging are, as suspected, just an artifact of BMW estimates.
This resulted in 4% over 7 hours (4% of a 2500mAh battery) in airplane mode, HD2 under WM drained 3-4% over 8 hours nights with GSM on (on a 1230mAh battery).
This phone does have a ****ty energy management.

ephestione said:
This resulted in 4% over 7 hours (4% of a 2500mAh battery) in airplane mode, HD2 under WM drained 3-4% over 8 hours nights with GSM on (on a 1230mAh battery).
Click to expand...
Click to collapse
I left the note (stock, not rooted) on for about 9 hours this night with 4% battery. This morning it had 1% left. To force it to shut down i opened wifi, read my mails and watched 2 songs on youtube.
All i did for the night was to set it to GSM only mode, close all active apps and clear the RAM from the build in task manager. I haven't experienced samsung apps keeping the phone awake yet.

Hi Bassarnis, and thank you for your report
Your experience may lead to believe it actually drained "just" 3% overnight, yet, with CM7 on my HD2 I had the strangest things happen especially when battery was (reportedly) almost drained.
Android (with its silly battery management) would tell me the phone was at 5%, and I just went on using it until 1%; even doing the nastiest stuff to drain that last 1% it took a notable while before the phone shutted down.
Turns out the battery wasn't really drained, but the phone told me it was, because of the useless, illogic, un-asked-for use of "battery statistics", combined with the fact that this OS thinks a battery is depleted when the dV is still 3600mV-ish (LiIon can stand to be discharged up to 3V with no damage).
In this case your leftover 1% could very well mean, in reality, a 6-7% ;D
I would love to know how much %age your phone drains overnight with GSM, starting from a good charge

ephestione said:
Hi Bassarnis, and thank you for your report
Your experience may lead to believe it actually drained "just" 3% overnight, yet, with CM7 on my HD2 I had the strangest things happen especially when battery was (reportedly) almost drained.
Android (with its silly battery management) would tell me the phone was at 5%, and I just went on using it until 1%; even doing the nastiest stuff to drain that last 1% it took a notable while before the phone shutted down.
Turns out the battery wasn't really drained, but the phone told me it was, because of the useless, illogic, un-asked-for use of "battery statistics", combined with the fact that this OS thinks a battery is depleted when the dV is still 3600mV-ish (LiIon can stand to be discharged up to 3V with no damage).
In this case your leftover 1% could very well mean, in reality, a 6-7% ;D
I would love to know how much %age your phone drains overnight with GSM, starting from a good charge
Click to expand...
Click to collapse
I charge my phone while its off. I know the effect you are describing. It could well mean that the battery wasn't properly charged the first few times, leading to the last 1% = 5%.
I don't guarantee that my results are accurate, since bought the Note 48 hours ago. When i bought it, i used it until the battery depleted and then charged it to full while it was off. Now its the 3rd time i charge it and i believe the percentages will be more accurate from now on.
Will try tonight and let you know tommorow

Thank you for your interest in this matter

ephestione said:
Thank you for your interest in this matter
Click to expand...
Click to collapse
Here are the results:
As soon as the indicator showed 5% battery left at around 23:00, closed all apps via the build in task manager and cleared the ram. (GPS/WI-FI/Auto-synch/Data = off, network set to GSM only)
Now at 7:00 there is 3% left after 8 hours of sleep time. That is 2% more than the last time. Currently the phone is on it's 4th charge circle using the method posted above (letting the phone shut down by itself, then charging it while off till 100%). I 'll probably do one more circle and then start charging the phone whenever.

after reading this thread was a bit worried so did a test last night,after a full charge from 1 am until 9am with only gsm on it consumed just 1%.
so no complains here on my wife's galaxy tab 10.1 she had the same draining problem,but after disabling the GPS it was solved.

Apparently there is something terribly wrong with either my phone OR my software... are you both on stock ROMs? And which version of firmware?
Thank you!

Ive been getting more than 1% drop over 8hours since my SGS2 days.. so this is nothing new to me.. only my SGS1 could drop 1% every 9.5hrs of idle.

ephestione said:
Apparently there is something terribly wrong with either my phone OR my software... are you both on stock ROMs? And which version of firmware?
Thank you!
Click to expand...
Click to collapse
Stock 2.3.6 not rooted here. I believe that battery monitor widget you use keeps your phone awake. Did you check your wake times?

You know, I've thought about it very much, regarding BMW and possible interferences with wakelocks, since it has to update stats every 10 minutes after all... but it's still once in 10 minutes so I don't see how it can weight for so much.
Also, I had battery monitor widget since the phone was still on KJ4 and unrooted, fresh out of the box, without a SIM inside, and with logging every 5 minutes instead of 10.
You can compare the graphs of the battery drain (one day is equivalent to two columns):
Before pimping up the phone, stock KJ4:
After, with ExtraLite rom and Abyss Kernel:
I obviously studied reports from betterbatterystats and nothing big seems to come out from there, apart from three causes for wakelocks that I cannot really pinpoint to anything specific: ActivityManager-Launch and AlarmManager, time-wise, and ActivityManager-Sleep, count-wise.
Out of curiosity, I disabled BWM, to see if anything changes.
But I reckon this is some kind of Schrodinger's cat situation, because I can't know the battery current drain of the phone when BWM is not active, if I don't use BWM
My last resort is to restore the nandroid of KJ4 freshly cf-rooted and see from there
Thank you all again for the interest, and
@EarlZ
1% down overnight is scary, positively speaking. I was content with 3-4% with the HD2 and WM6.5.
I was on the 1% mark overnight (less actually) only with my iPaq 214 But then again, that was not a phone, and its standby was a proper standby. And it had a battery almost like the note's.

3% battery drain

I just checked my note drains battery @3% per 5 hour. is it normal.?
i just locked my device n when i checked it was 3% down.. n in cpyspy it says phone was in deep sleep mode all the time.

3% in 5 hours? thats normal drain, what you expecting to have ?

dont know i read somewhere in note forum someone was getting 1% for 8hours. thats why i was asking.
BTW i am on rocket rom v22.

So you thinking your note should last 2 weeks without charging?
3% per 5 hour is super
1% per 8hours sounds unbelievable to me, unless you keep your phone off

Its normal bro. Don't worry, it would not drain your battery that really much in a day. I'm surfing the webs a lot in a day and my batt still not giving up to be drained out to zero
Sent from my GT-N7000

Are you connected to a wireless network?

SayWhat10 said:
So you thinking your note should last 2 weeks without charging?
3% per 5 hour is super
1% per 8hours sounds unbelievable to me, unless you keep your phone off
Click to expand...
Click to collapse
It sounded unbelievable to me too...until last night that is. It was at 100% just before I went to bed and dropped 1% in over 8 hours. Thats 34 days on standby!!
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sent from my galaxy note using tapatalk

If you want to know it exactly, what's going on with your battery: Go to Market and install "Battery Monitor Widget" from 3C. This is a widget which shows every 60 seconds the actual drain. But more importently is the logging-function, called "history". I set mine to update every 60 seconds to get a good idea which thing consums what...
F.e. I got my Note yesterday and put it in flight mode over night. This morning I looked at the history and got a stable 7mA drain - not bad for a 1,4GHz DualCore...
For changing the update-rate of history:
-tab widget
-left sensor --> settings
-history
-update rate history --> 60 seconds
(I don't know the exact names cause I have the german version)

Sounds about right. Mine dropped 3% in 6 hours or so.
Sent from my GT-N7000 using xda premium

I consistently get 1% down throught the night which is like 7 hours. During this time, Cellular data is off, wifi is off, AGPS is off. And after Note has been up for few days, sometimes it will get down by 10% through night due to rouse battery hungry app stuck in memory. Memory clear helps and it is back to regular next night and sometimes I have to reboot. The longest I can go without reboot is like 10 days by then something real battery hungry app is stuck somewhere.
Now I am using app called Tasker which is set to speak battery percentage for every change in unit, I get 3% down through night.

how do you guys avoid touching your Note for so long? i can't put mine down

Being asleep I guess ;-)

ok, if you have your radio turned off, and wifi turned off, and screen turned off, your note can last a couple/few days on standy
I misread, i thought the OP was actually USING his phone and the % only dropped like 1% in 8 hours or 3% in 5 hours which of course would be SUPER
but for me even when im sleep i leave wifi on
i could save more juice by not having the wifi on yeah sure

I have my phone drop into 'phone only' mode at 20% battery. From that point, the amount of battery use is negligible. I believe all the hype about 'standby time' now. I think it could last a week at least like that from a full charge.
The fact is it is good at conserving battery until you use the other features. Then it drains like crazy in comparison.
So to get great battery life:
Turn off WiFi
Turn off mobile data
Turn off auto-sync
Turn screen to 1% (I find 0% turns the screen off!)
Turn off GPS
Turn off bluetooth
Kill all unused apps & services
Turn the screen off.
Or, you could buy a 'dumb' phone, of course! That is effectively what you are doing by this.

Unlike Symbian where app is authorized to initiate said connection (wifi/cellular), it was possible to keep apps like email/fbook poll every 10/15 minutes. In Android, the design is such that apps don't initiate connection.
So during weekend days when email is not utmost important, I use Tasker to turn wifi/cellular/sync on every 15 minutes for short interval of time. This saves a lot of battery drain. But obviously suitable when you do not need to be on the edge of info highway.

Morning!
Second start of the day: 4mA drain in flightmode, 56mA on standby with WiFi on.
And after a full day of playing arround (no games) and getting used to the Note yesterday the battery was still at 50%...
Ah yeah, some more values:
Bluetooth on, doing nothing: 51mA (so it adds nothing more to the standard standby drain)
Bluetooth + Headset, doing nothing: 102mA

jeromepearce said:
I have my phone drop into 'phone only' mode at 20% battery. From that point, the amount of battery use is negligible. I believe all the hype about 'standby time' now. I think it could last a week at least like that from a full charge.
The fact is it is good at conserving battery until you use the other features. Then it drains like crazy in comparison.
So to get great battery life:
Turn off WiFi
Turn off mobile data
Turn off auto-sync
Turn screen to 1% (I find 0% turns the screen off!)
Turn off GPS
Turn off bluetooth
Kill all unused apps & services
Turn the screen off.
Or, you could buy a 'dumb' phone, of course! That is effectively what you are doing by this.
Click to expand...
Click to collapse
I'm certain the Note could do a week on standby.
Doing the things you mention above, I once managed to get my Dell Streak to last for 5 days after I left my charger at my girlfriend's house. The battery was already down to 50% when I left her house, so it lasted 5 days on half a battery!
I think the battery life on my Note is about 25% better than my Streak, so it could easily do a week...
You know, if you wanted it to I can't think of any reason you would want it to, other than being without a charger like I was.

Wi-Fi Battery Drain discussion

So it seems that some people experience a high Battery Drain when Wi-Fi is ON while other do not seem to have this issue.
This is for the SD820 variant (I have a T-Mobile)
When I first setup my GS7edge I went through my usual "Samsung" process where I aggressively disable all the apps and system apps that I do not use. After I did that I experienced a very fast battery drain, the phone was deep sleeping, but Wi-Fi was showing extremely high drain #. I decided to factory reset and setup again, after all I didn't even had time to install all my usual apps. Second time around, I got distracted before having time to disable the apps, So I just setup my Gmail and a couple app I needed for work, and went on my day, I was busy all day, using the phone for a couple phone calls and the usual Waze and Bluetooth streaming. during my commute at the end of the day, I was still at 85%. That when I realized that disabling apps had an negative impact on the battery life, specially Wi-Fi Battery Drain.
This is my current config from the screenshots:
Wi-Fi is ON and connected to a network, Bluetooth is ON, AOD is OFF, Wi-Fi calling is OFF, VoLTE is ON, NFC is ON, Smart Stay is ON, Edge Panels is OFF, Edge feeds and lighting are ON, Location is ON, I have 2 Gmail accounts, Google Voice, Skype, Hangout, Go to meeting, Google Drive, Google Photo, Dropbox all syncing
I do not use Package Disabler Pro or Debloater, I just disabled some apps from Settings/Application: (Chrome, Device Unlock, Facebook, Google Play Movies & TV, Google Play Music, Lookout, S Health, S Voice App, Samsung Gear, Samsung Gear, Samsung Milk Music, Samsung +, T-Mobile Name ID, T-Mobile TV, Visual Voicemail)
I took the phone off the Charger at 9am this Morning, this is real world usage at 69% battery remaining:
3 Hours Screen On time (Mostly Internet, and Waze)
1 Hours 20 minutes of Phone call (most of it on speaker)
40 minutes of Waze
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Now I love my current battery life, but I'd like to be able to disable all the Knox and tracking malware that are on that phone, so maybe we can use this space to discuss and trying to pin point what specific package is/are creating this issue.
Please post your GSam battery screen shot with your config and the list of disabled packages. Hopefully together we can build a safe list of package that can be disabled to maximize battery life even more !

The latest Tmobile update fixed my high battery drain in standby and when using mobile data however my wifi is still broke. If I download apps in the store over wifi then my phone gets very hot on the right side and I can see my battery percentage drop roughly 1% every minute. If I download the same apps over mobile data then the phone only gets ever so slightly warm on the right side and my battery drops 1% every 5-8 minutes. Again this is while downloading and installing applications.
Sent from my SM-G935T using Tapatalk

I have this issue on my S7 flat.
Im on my second S7 and have had the same issue on both.
I have found out that if i turn wifi off and let my phone stay on mobile data i have no batterydrain in standby.
I only have batterydrain when im on wifi. Last night it drained 45% over night (8 hours)
I have only disabled S health, instagram, facebook and skype

Data OFF + Wifi ON + Sync ON = 2%-4% drain per night (+-8 hrs),
Data ON + WIFI OFF + Sync ON = 2%-4% drain per night (+-8 hrs)
Data ON + Wifi ON + Sync ON = 2%-4% drain per night (+-8 hrs)
Drain when surfing or using Wifi active 1% per 8 minutes (did a little test but normaly I dont surf on the phone)
All other settings like NFC, location etc. are all OFF
Disabled Apps: see screenshot

Now I'm on my third S7. Still same problem with batterydrain. Yesterday I started this one and right away I got an 73 mb update. I did a factory reset after update and only installed my Gmail, Nova launcher, tesla unread, tapatalk and dolphin. It consumed 60% over night on WiFi. Did a factory reset again this morning and will not install anything now to see if there is batterydrain when my phone is clean.
Update.
Same problem, batterydrain on wifi even on a totally clean phone. Haven't installed a thing, this is after a couple of hours in standby.

I just discovered this on my own in the past couple of days. I've had my phone for about 2 weeks now, and have been manually controlling when the Wifi was enabled and disabled (basically only enabled when I'm home, otherwise disabled). I previously used AutomatIt Pro to handle all of this (similar to Tasker), but have not set up my rules on the new phone yet. I noticed much steeper battery drain when I was home on Wifi than when I was out and using mobile data. This was so strange to me, because I've always heard that Wifi is much less power intensive than using mobile data, hence why I had rules to automatically connect to Wifi when I get home and disable my mobile data.
One night I went to sleep with my phone at 53% and woke up to 7%. This can't happen. In the past couple of days, I notice that when I pull my phone off the charger at 7:30am and check it again at 9am, my battery has dropped from 100% to 93% in 1.5 hours. Today I decided to turn off Wifi when I unplugged, and at 9am I still had 98% battery life. Even right now, after sitting at work all day (minimal use) and Wifi disabled I have 86% remaining (7.5 hours unplugged, an average loss of 1.86%/hr).
Clearly Wifi is eating up power. What gives?!?

Magic Matt said:
I just discovered this on my own in the past couple of days. I've had my phone for about 2 weeks now, and have been manually controlling when the Wifi was enabled and disabled (basically only enabled when I'm home, otherwise disabled). I previously used AutomatIt Pro to handle all of this (similar to Tasker), but have not set up my rules on the new phone yet. I noticed much steeper battery drain when I was home on Wifi than when I was out and using mobile data. This was so strange to me, because I've always heard that Wifi is much less power intensive than using mobile data, hence why I had rules to automatically connect to Wifi when I get home and disable my mobile data.
One night I went to sleep with my phone at 53% and woke up to 7%. This can't happen. In the past couple of days, I notice that when I pull my phone off the charger at 7:30am and check it again at 9am, my battery has dropped from 100% to 93% in 1.5 hours. Today I decided to turn off Wifi when I unplugged, and at 9am I still had 98% battery life. Even right now, after sitting at work all day (minimal use) and Wifi disabled I have 86% remaining (7.5 hours unplugged, an average loss of 1.86%/hr).
Clearly Wifi is eating up power. What gives?!?
Click to expand...
Click to collapse
You have the exact problem as me. I really hope this is a bug that Samsung will fix. I'm on my third S7 and they all had this issue so I don't think it's hardware related.
What's your PDA version?
My ends with PC8. I hope AP1 will solve this issue when it arrives to my phone.

Is PDA = Software/Baseband? If so mine ends with APC5.

I have an exynos g935fd and the same problem. I don't have wifi sleep problem, it does not drain battery when phone is sleeping. But when I download something, like updating apps in play store, the phone gets hot and battery drains fast. Hope an update fixes the problem,

fredriks said:
Now I'm on my third S7. Still same problem with batterydrain. Yesterday I started this one and right away I got an 73 mb update. I did a factory reset after update and only installed my Gmail, Nova launcher, tesla unread, tapatalk and dolphin. It consumed 60% over night on WiFi. Did a factory reset again this morning and will not install anything now to see if there is batterydrain when my phone is clean.
Update.
Same problem, batterydrain on wifi even on a totally clean phone. Haven't installed a thing, this is after a couple of hours in standby.
Click to expand...
Click to collapse
clearly ur router is badly configured, have u tried on another wifi spot?it seems like ur router is sending packets all the time hence keeping ur phone awake.

skivnit said:
clearly ur router is badly configured, have u tried on another wifi spot?it seems like ur router is sending packets all the time hence keeping ur phone awake.
Click to expand...
Click to collapse
It's possible but my old S6, my iPhone 6S and all other phones in my family doesn't have standby drain on WiFi? Has it to do with Android 6.0.1 then ?
I have updated my router, checked it's settings and I don't find anything
Skickat från min SM-G930F via Tapatalk

I found wifi is not great on my s7e for battery but it was significantly worse at work. I now automatically turn off wifi when I leave for work and it turns on again after work. Is the wifi spectrum very crowded where you are.?
Sent from my S7 Edge

Hi, Yes I also figured out WiFi drains the battery pretty fast in crowded environment, even in stand-by mode.