Develop Bugs

TIPS for Improving Battery Life

Hey guys, so i've noticed that a lot of people are complaining about their battery lives. There are a few things that I have done which are not too complicated that I think the rest of you should do too (if you haven't done so already). With these steps, i have my brightness almost to the max the entire time, and the battery lasts me most of the day without needing to charge.
1) Calibrate your battery - This first step is a given, and should definitely be done, especially after rooting. You can find steps by searching in the forums for how to calibrate battery.
2) Uncheck "Use Wireless Networks" in the Locations menu in the settings. This is a huge battery hog, if not the biggest on the phone (next to brightness and 4G). If you feel like you need it to use the "Places" app better, then you can either always turn on GPS just when you need to use it, or just search for whatever you want in Google Maps directly. Many ways around this problem.
3) ROOTED USERS ONLY - Get a root explorer, go into /system/apps and move the following apps to a different folder, preferably on the sd card: Socialhub.apk, Mediahub.apk, Sprintzone.apk, SprintID.apk (sometimes called w_sprint.apk). Obviously if you use those apps, dont move them because you'll essentially be deleting them, but from my experience most people don't use them, and they are always just running in the background. Huge battery hogs as well.
- You can also delete the other sprint apps through the usual app removal process if you'd like.
Also, if you use widgets such as Beautiful Widgets, or Minimalistic Text, for time and weather that require Use Wireless Networks for updates, it would be best not to use them. Especially BW, drains a good portion of the battery. There are other alternatives that I feel are just as good, such as a decent looking modded stock digital clock and the genie widget from ICS (Thats what i personally use). They take a fraction of the others and provide the same information.

Very nice tips. I didn't really like media hub and got tired of seeing it.. but the sprint files you mentioned weren't in my folder.. The apps are still there
EDIT.. also can you like me to battery calibration instructions? O didn't even know that was a thing...
Sent from my SPH-D710 using xda premium

You can also freeze those apps if you are rooted. Same results

How do I go about doing that?
Sent from my SPH-D710 using xda premium

In the batch options, scroll down to freeze/thaw section
Dwayneiztheshyt said:
How do I go about doing that?
Sent from my SPH-D710 using xda premium
Click to expand...
Click to collapse

xlGmanlx said:
In the batch options, scroll down to freeze/thaw section
Click to expand...
Click to collapse
In titanium backup.
Sent from my SPH-D710 using xda premium

I am always so surprised to read people with bad battery life. I have a stick phone running all sick items except having root and I well easily get well over a full day on my battery. I plug it in asst the end of the day with 60% battery on a regular and that is after 14-16 hours. GPS always on, brightness on auto, sync what needs to be synced, using the phone as a phone, with Bluetooth at times as well. The only time I lose significant power is when I use Netflix or start running games for an hour or so.
Are people running stock on this or a built ROM? Also, are you running stock kernel with CWM? CWM put my battery into a hole so I went back to stock without CWM, no idea why out would do it though.

Examples of battery life.
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jedwardmiller said:
Examples of battery life.View attachment 814656
View attachment 814658
Click to expand...
Click to collapse
It seems to me like from those pictures that you barely use your phone for other things than making calls. The reason that i can come to that conclusion is because your display battery usage is just so much less than your Android OS, that just means your screen is off for the majority of the day. I'm assuming from that that you're probably an older gentleman who has less use for things like texting and Facebook. Unfortunately, the majority of my communication is through those 2, as well as some other channels.
And to answer your other question, i am running stock rooted without cwm.
Sent from my SPH-D710 using xda premium

Dwayneiztheshyt said:
Very nice tips. I didn't really like media hub and got tired of seeing it.. but the sprint files you mentioned weren't in my folder.. The apps are still there
EDIT.. also can you like me to battery calibration instructions? O didn't even know that was a thing...
Sent from my SPH-D710 using xda premium
Click to expand...
Click to collapse
I guess i can just describe it for you, its pretty simple. Just follow the following steps:
1) charge your phone to 100% (if it reaches 100 unplug it then plug it back in, it'll most likely take another 20 minutes to truly reach 100)
2) if you are rooted and have clockwork mod recovery, boot into recovery, and wipe the battery stats. Then continue to the next step. If you are not rooted, dont worry, just go onto the following step anyway.
3) from the market, download a battery calibration app and calibrate it.
4) then use your phone regularly throughout the entirety of its battery cycle (don't plug it in for mini charges until it fully dies)
5) when it dies, recharge it back to a full 100% (don't unplug it before it reaches 100%).
Then you're done.
Sent from my SPH-D710 using xda premium

jedwardmiller said:
Examples of battery life.View attachment 814656
View attachment 814658
Click to expand...
Click to collapse
I refuse to believe your getting 10hours of battery life with moderate emails, calls, txt n social apps running n your battery only dropping to like 80% after 10 hours.
You must not use your phone at all
Sent from my GT-P7510 using xda premium

hijewpositive said:
It seems to me like from those pictures that you barely use your phone for other things than making calls. The reason that i can come to that conclusion is because your display battery usage is just so much less than your Android OS, that just means your screen is off for the majority of the day.
Click to expand...
Click to collapse
I wouldn't jump to that conclusion. By the end of a 16-hour day, I have about 2-hours of screen-time, and my battery is around 50%. I have corporate email on my phone, so it wakes up frequently, and I check my messages all day long.
There's also the issue with Android OS taking up way more of the battery charts than it's supposed to. Most of the time, that bar is 2x longer than my display bar, unless I unplug it and play a game for four or five hours. There is a bug on this phone, that either calculates the Android OS bar improperly, or the phone is genuinely using tons of battery in the background and Android OS is a giant battery drain.
If you hang out on the forums a bit longer, you'll see this pop up pretty often.

trifthen said:
I wouldn't jump to that conclusion. By the end of a 16-hour day, I have about 2-hours of screen-time, and my battery is around 50%. I have corporate email on my phone, so it wakes up frequently, and I check my messages all day long.
There's also the issue with Android OS taking up way more of the battery charts than it's supposed to. Most of the time, that bar is 2x longer than my display bar, unless I unplug it and play a game for four or five hours. There is a bug on this phone, that either calculates the Android OS bar improperly, or the phone is genuinely using tons of battery in the background and Android OS is a giant battery drain.
If you hang out on the forums a bit longer, you'll see this pop up pretty often.
Click to expand...
Click to collapse
lol, I've actually already read those forums before, but the thing is that I just don't think its a bug with those people. The thing is that its simply a balance. If your screen is set to a very low brightness, or just off most of the day, it clearly won't be the main battery drainer, but all that means is that something else will be. Something will always be the main battery drainer, even if its not draining that much.
Maybe it just makes more sense in my head than on here, but I'm pretty sure lol.
Sent from my SPH-D710 using xda premium

YoungAceAtlanta said:
I refuse to believe your getting 10hours of battery life with moderate emails, calls, txt n social apps running n your battery only dropping to like 80% after 10 hours.
You must not use your phone at all
Sent from my GT-P7510 using xda premium
Click to expand...
Click to collapse
lol, you disbelieve all you like, here's another screenshot, from me, to help you come to terms with your issues

That's even better with showing you all his awake time. You are right, I have never wasted my time with Facebook, the internet can live on without my updates, but I do use the phone for corporate email all day as I work remotely and I am on the phone regularly for work. Not sure why you would be getting such bad battery life. I was just trying to help and see if there was anything you could pick up from me that would help with you.

hijewpositive said:
lol, I've actually already read those forums before, but the thing is that I just don't think its a bug with those people.
Click to expand...
Click to collapse
It is in fact a bug. Here is a bug report in Google's bug tracker. Here's another. There's also a very long XDA thread that explains what the Android OS bug actually is, and how it works.
If the lines are proportional, then Android OS is using more power than 2 hours of display time, and I've gone as high as 5 hours and 30 minutes. I've had times when 4 hours of screen time is still less than Android OS. What? That makes no sense.
From the XDA thread:
Same network, same location, same signal strength, same ROM (Changing my font maybe fixed it....) , same wakelocks between them, same background apps running. Not even 5 minutes screen time on the two. The only difference with .14 patched kernels I'm experiencing is that it's not showing up anymore in the stats, but it drains just as much as in the right screen, showing the same CPU state behavior. It's also happening less often, and many say it's not happening at all anymore, but how would they know it it's hidden now?
Click to expand...
Click to collapse
Before that were two screenshots. One of them showed a minimal Android OS bar, while the other had it at 95%. The only difference was the patched kernel. This. Is. A. Bug. Period. High Android OS usage means absolutely nothing. Even after tracking down wakelocks, it will be high or low pretty much at random. Sometimes this is a legit stuck suspend, in which case rebooting is the only fix. Other times, it's just the bad profile. There's no way to know unless you study CPU spy, better battery stats, and possibly Watchdog.
In any case, read that XDA thread that explains what Android OS is. It has very little to do with how much screen time you have.

trifthen said:
If the lines are proportional, then Android OS is using more power than 2 hours of display time, and I've gone as high as 5 hours and 30 minutes. I've had times when 4 hours of screen time is still less than Android OS. What? That makes no sense.
Click to expand...
Click to collapse
wow, thats crazy.

I'm not trying to bash you or say I get bad battery life. I just don't see someone who is taking his or her phone out every 10mins getting emails, and calls, social updates, background syncing is going to get 10hours of battery with just about 95% left.
Maybe if all you do is check emails and take 15 min calls and put your phone back into sleep mode you can probly get that. But even then. I can't say real world usage = 10hr with 95% left. only if you have a extended battery on
From my Samsung GS2 E4GT

This is with an hour of screen time. Admittedly, that's less than half my normal usage, but I was working on my book on the train instead of reading reddit. I'd normally be in the 50's by now with about 2.5 hours of screen time.
Way better than my Eris.
Sent from my SPH-D710 using xda premium

i've found that turning off facebook and twitter sync alone have greatly improved battery life. enough where i dont really have to diable anything else.
i get 24hrs without a charge no problem now. using a rom based off calkulin's EK02 rom.

Exchanging mine tomorrow - battery plummeting randomly!

I've been troubleshooting this problem for weeks now - have never found a cause. I did a hard reset yesterday and have only installed the mainstream necessary apps - nothing sketchy or buggy at all.
My battery life is usually great and when unused drops less than 1% per hour...until suddenly it goes crazy and starts dropping ~10%/hour with NO USE.
I think perhaps something is wrong with my radio as the "mobile network signal" graph in the picture below is always spotty and shows the radio off for significant chunks of time when I know it's on. When these battery plunges start happening, it shows the radio as solid on, as you can see below...and reports the battery drain is from the radio.
A reboot fixes it but it comes back randomly within a day or two...the problem is that I can leave the phone unused for an hour to make dinner and when I pick it up next it has dropped a significant amount!
Hopefully AT&T will exchange it for me tomorrow and I will have better luck...I bought it on June 28th and tomorrow is July 28th...the 30th day, by my count.
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16hrs on battery and still at 43% is pretty darn good if u ask me.

This has happened to me too on stock and AOKP. Just happened again a couple of hours ago.

So I did the exchange 4 days ago. Have not rebooted since then. Thought I was in the clear until this afternoon when the battery started to plummet again...I updated the screenshots in the first post with today's data. Very disappointed and not sure what to do now except to try and do a hardware reset and use the phone stock with no apps for a few days and see what happens...

You are most likely suffering from almost famous "Gsiff_daemon"
Use BetterBatteryStats to see what's draining your battery.

torred said:
You are most likely suffering from almost famous "Gsiff_daemon"
Use BetterBatteryStats to see what's draining your battery.
Click to expand...
Click to collapse
I have used it extensively. Posted numerous logs and screenshots in the developer's thread and had them examine it...no one could figure anything out.
Tonight I have watched it plummet again. I turned off wifi - it kept dropping. I turned off mobile data, it kept falling just as fast. Lastly I turned on airplane mode and it seems to have leveled off...seems to me the phone radio is the culprit but I have no clue what it could be doing!

(Forgive me if I'm hijacking)
I scooped up my SG3 on Sunday, and noticed almost immediately that my battery drops pretty quickly. I haven't rooted yet, and needless to say haven't flashed anything on it. I'm completely bone stock. I guess I'm wondering the same thing, in that I may need to return to AT&T. I lost as much as 70% in almost 8 hours with moderate to heavy use (Web browsing, textibg, a few calls, etc).
Something else: there is an orange sticker on the box it came un, much like a price tag at a retail store. On the sticker it reads: "REMATE 7.11.12" and has me wondering if this is a refurb they unloaded on me. Any ideas about the battery or this stupid aticker?
Sent from my SAMSUNG-SGH-I747 using xda premium

I notice that my battery life seems very unstable - one day it goes 10 plus hours no problem, the next day with the same usage its dying at 8 hours. The phone went bezerk this weekend, to the point of multiple reboots and just turning the thing off since it was unuseable. Factory reset over the weekend, wow ! Battery life is rocking 12 hours easy with heavy use.
The software on this phone is strange to say the least -

Apex_Strider said:
I lost as much as 70% in almost 8 hours with moderate to heavy use (Web browsing, textibg, a few calls, etc).
Click to expand...
Click to collapse
Yep, your battery dies after using your phone a lot. Hmmmm.

Igotsanevo4g said:
Yep, your battery dies after using your phone a lot. Hmmmm.
Click to expand...
Click to collapse
The reason I say this, is because of the fact I've heard of 12 to 14 hours or more of battery with the same (mostly) moderate to (occasional) heavy use. I understand that usage = battery discharge, I'm not a fool.
Sent from my SAMSUNG-SGH-I747 using xda premium

my battery usually only lasts 12 hours with minimal use, the only way i can go more than 8 hours is if i switch on airplane mode while i know im not going to need my phone.. while at work.

TRusselo said:
my battery usually only lasts 12 hours with minimal use, the only way i can go more than 8 hours is if i switch on airplane mode while i know im not going to need my phone.. while at work.
Click to expand...
Click to collapse
So perhaps I'm worrying over nothing (hopefully). I have been doing full charge to full discharge cycles and charging once it shuts down to "gel" or "season" the battery. But, there still remains the question of what the "REMATE" sticker is all about. It clearly has a date printed on it, which strikes me as odd...
Sent from my SAMSUNG-SGH-I747 using xda premium

So check out this graph...update of the earlier one.
-turned off wifi - plummet continued.
-turned off mobile data - plummet continued.
-turned on airplane mode to turn off the radio - battery stabilized. You can see the plateau towards the end.
-turned off airplane mode - plummet resumed as you can see.
Any conclusions I can take from this? It seems like it's the phone radio/standby and not apps...
http://img528.imageshack.us/img528/6889/20120802000137.png
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Apex_Strider said:
The reason I say this, is because of the fact I've heard of 12 to 14 hours or more of battery with the same (mostly) moderate to (occasional) heavy use. I understand that usage = battery discharge, I'm not a fool.
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
Of course but battery loss is a corollary response to usage. Who made the rules on what moderate or heavy usage is? Besides other factors like strength of signal, etc.
That said I personally average 10-12 hours with 4hrs of screen on time.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

jeffreii said:
So check out this graph...update of the earlier one.
-turned off wifi - plummet continued.
-turned off mobile data - plummet continued.
-turned on airplane mode to turn off the radio - battery stabilized. You can see the plateau towards the end.
-turned off airplane mode - plummet resumed as you can see.
Any conclusions I can take from this? It seems like it's the phone radio/standby and not apps...
http://img528.imageshack.us/img528/6889/20120802000137.png
Uploaded with ImageShack.us
Click to expand...
Click to collapse
Didn't see this mentioned, the stock rom had a cell standby bug where it drops by 32(whatever the measurement is) instead of what's supposed to be 3.2. This has effected me before and there are fixes.
Sent from my SGH-I747 using Tapatalk 2

TRusselo said:
my battery usually only lasts 12 hours with minimal use, the only way i can go more than 8 hours is if i switch on airplane mode while i know im not going to need my phone.. while at work.
Click to expand...
Click to collapse
Juice Defender Ultimate works great for me at work. Shuts off my data radio while screen is locked.
The location for wifi(allowing it to control wifi) is a little funky so I stopped using it(and suffered a little in the beginning because i kept forgetting to turn off wifi at night)
You can see how much my phone goes into deep sleep mode - This shows last night when I went to bed
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This is my battery graph - note that sharp drop was last night when I was installing the Google Wallet fix and the dev had an issue with the update. Took me a little while to figure it out as you can see.

corythug said:
Didn't see this mentioned, the stock rom had a cell standby bug where it drops by 32(whatever the measurement is) instead of what's supposed to be 3.2. This has effected me before and there are fixes.
Click to expand...
Click to collapse
That doesn't explain why the actual battery it dropping so fast. I suppose it could skew the "reason" the system gives for the battery drop...but it's further proven by the fact that the only way to stop the drop is to turn off the radio - even turning off mobile data alone does not stop it at all.
nest75068 said:
Juice Defender Ultimate works great for me at work. Shuts off my data radio while screen is locked.
The location for wifi(allowing it to control wifi) is a little funky so I stopped using it(and suffered a little in the beginning because i kept forgetting to turn off wifi at night)
You can see how much my phone goes into deep sleep mode - This shows last night when I went to bed
This is my battery graph - note that sharp drop was last night when I was installing the Google Wallet fix and the dev had an issue with the update. Took me a little while to figure it out as you can see.
Click to expand...
Click to collapse
Your sharp drop is correlated to heavy screen on time. Mine is correlated to nothing...just sitting there with the screen off and nothing happening that I can tell.

I reported this problem back in June. This same exact thing happens to mine. Normally the battery is awesome, but sometimes it starts discharging at a crazy rate at which point I restart thee phone to fix it.
Sent from my SAMSUNG-SGH-I747 using xda app-developers app

torred said:
You are most likely suffering from almost famous "Gsiff_daemon"
Use BetterBatteryStats to see what's draining your battery.
Click to expand...
Click to collapse
That's definitely my problem. When gsiff_daemon hasn't gone crazy the battery life is very good. I've only had the phone 3 days now and on the second found the battery discharging quickly when the phone was in standby (like the OP). I diagnosed this to be caused by gsiff_daemon. Seems to happen after the phone stops responding to input then does a warm restart. I only found one thread on this issue on one of the other S3 forums at XDA (TMo or global?)
Is there any sign of a fix for this? This is making an otherwise excellent phone horrible. I tried to relate this problem to Samsung through their support site, but just got a generic robot answer. Samsung's support site appears to be useless. Is there any indication Samsung is even aware of these problems?

I use System Tuner to check for gsiff_daemon going nuts. I normally notice it because my phone gets hot. If you use the Task Mgr from System Tuner and turn on display of kernel processes, it will pop right to the top if that's your problem.
The easiest way to deal with the problem when you notice it is to kill the process with System Tuner. It will start up again, but will not longer pin your CPU. A restart also works, but takes longer (and uses more battery).
You might also want to set up the Watchdog app to notify you when gsiff_daemon goes nuts.
I noticed you posted BBS logs, but gsiff_daemon will show up in Process, which doesn't appear to be logged (at least it isn't in the log in just dumped from my BBS).
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

Sudden excessive battery drain starting today (11/30/12)

I noticed today that my phone connected to the computer's USB wasn't gaining any battery this morning. Unplugged I am losing about a percentage every few minutes, quite excessive. I recall that there was an update to AllShare today and looking into it "Media" is my top couplet in "Use details" using 55%+ battery. I am trying to track down the app or setting to fix this battery drain.
Going into Allshare Cast I can turn it off in settings, but when I go back in its right back on.
Under "Media" Included Packages are as follows:
Downloads
DRM Protected Content Storage
Downloads
com.sec.android.providers.downloads
Media Storage
Does anyone have any clues or suggestions to track down the offender?

I should also note that I do not have any "DRM Protected Media" on the device nor do I have any media players active.

I would look into uninstalling the update, it seems the beginning of your issue
Sent from my SPH-L900 using XDA Premium HD app

I have tried uninstalling everything AllShare, force stopping the "Media" under the battery only to have it restart on its own.
I guess I will try reformatting my SD card.
It is quite warm around the reader.

I had the same problem and reformatted the sdcard fixed it
Sent from my SPH-L710 using xda premium

I got the allshare update this morning as well, and no issues so far.

Just do a cache clearing and see if that helps.
Sent from my SPH-L900 using Tapatalk 2

I had this same issue. It turned out to be a bad SD card. Reformatting didn't stop the battery drain.
Sent from my SPH-L900 using xda app-developers app

jzh797s said:
I noticed today that my phone connected to the computer's USB wasn't gaining any battery this morning. Unplugged I am losing about a percentage every few minutes, quite excessive. I recall that there was an update to AllShare today and looking into it "Media" is my top couplet in "Use details" using 55%+ battery. I am trying to track down the app or setting to fix this battery drain.
Going into Allshare Cast I can turn it off in settings, but when I go back in its right back on.
Under "Media" Included Packages are as follows:
Downloads
DRM Protected Content Storage
Downloads
com.sec.android.providers.downloads
Media Storage
Does anyone have any clues or suggestions to track down the offender?
Click to expand...
Click to collapse
I have been losing a % a min since I got my phone! I am stock everything. ..I can't tell what is the cause either. I came from an epic 4g and its battery has always sucked do I was just used to bad battery life but then I get on these boards and folks are talking about how great their Bay life is. ..I just chalked it up to my not being rooted! Since I am not interested in rooting at all, should I just plan to continue taking my charger everywhere I go? Any suggestions?

2kidz said:
I have been losing a % a min since I got my phone! I am stock everything. ..I can't tell what is the cause either. I came from an epic 4g and its battery has always sucked do I was just used to bad battery life but then I get on these boards and folks are talking about how great their Bay life is. ..I just chalked it up to my not being rooted! Since I am not interested in rooting at all, should I just plan to continue taking my charger everywhere I go? Any suggestions?
Click to expand...
Click to collapse
Something is wrong. Totally stock this thing has awesome battery life.
Sent from my Samsung Galaxy Note 2

Tbonekilla said:
Something is wrong. Totally stock this thing has awesome battery life.
Sent from my Samsung Galaxy Note 2
Click to expand...
Click to collapse
Can u give me some pointers on what my settings should look like? I haven't really changed anything since I got my gn2 on launch day!

2kidz said:
Can u give me some pointers on what my settings should look like? I haven't really changed anything since I got my gn2 on launch day!
Click to expand...
Click to collapse
Honestly, I have everything on except bluetooth and roaming. I even have a live wallpaper. Go to settings, then battery. See which process is draining the battery. This is my second Note. The first one stopped charging after a week. It would light up the red led and charging icon. Only give away was no charging indication on lock screen and no increase on charge level.
Sent from my Samsung Galaxy Note 2

Tbonekilla said:
Honestly, I have everything on except bluetooth and roaming. I even have a live wallpaper. Go to settings, then battery. See which process is draining the battery. This is my second Note. The first one stopped charging after a week. It would light up the red led and charging icon. Only give away was no charging indication on lock screen and no increase on charge level.
Sent from my Samsung Galaxy Note 2
Click to expand...
Click to collapse
Screen is 32%, android is is 15%, android sys is 14%, everything else is 10% or less....is this good?

2kidz said:
Screen is 32%, android is is 15%, android sys is 14%, everything else is 10% or less....is this good?
Click to expand...
Click to collapse
Looks normal to me. I don't know what to tell ya.
Sent from my Samsung Galaxy Note 2

Cool....thanks!

Search XDA for an app called Better Battery Stats. Look for any app or programs that have excessive wake locks or kernel wake locks. Google is your friend.

Reformatting SD seemed to fix my issue.

jzh797s said:
Reformatting SD seemed to fix my issue.
Click to expand...
Click to collapse
I have been suffering from the same battery drain issue. Its's really annoying. I think I get about 8 to 10 hours with normal use. I normally text with the rare chrome usuage (since sprint 3g is slow) and I seem to lose a % every few minutes. It says my screen time on is the culprit and next under that would be android os. I can't seem to figure out whats wasting my batter.
Does a reformat really help? How does that affect the batter?

goku14238 said:
I have been suffering from the same battery drain issue. Its's really annoying. I think I get about 8 to 10 hours with normal use. I normally text with the rare chrome usuage (since sprint 3g is slow) and I seem to lose a % every few minutes. It says my screen time on is the culprit and next under that would be android os. I can't seem to figure out whats wasting my batter.
Does a reformat really help? How does that affect the batter?
Click to expand...
Click to collapse
its probably your battery. i recent had my stock battery do the same thing. i turned it off at 90% one day and the phone would turn back on. stuck the battery in a charger and let it charge for about 10hrs. when i turned put it back in the phone it was only at 60%. for them on out it only last 8-12hrs max with minimal use. i ordered 2 anker batteries from amazon and curretly im going on 1day 7hrs and some change with 8% left.
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t3project said:
its probably your battery. i recent had my stock battery do the same thing. i turned it off at 90% one day and the phone would turn back on. stuck the battery in a charger and let it charge for about 10hrs. when i turned put it back in the phone it was only at 60%. for them on out it only last 8-12hrs max with minimal use. i ordered 2 anker batteries from amazon and curretly im going on 1day 7hrs and some change with 8% left.
Click to expand...
Click to collapse
It seems that my device idle is never any where near the top. I just checked, its at 2% for idle. So something is keeping my phone on in the background.

Idle battery drain

I've been noticing my battery drain about 3% on idle after taking it off charge. It's really annoying as 3% to me is too much. I've attached the battery screens to this post below.
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Device Idle is responsible for 1.32% drainage from your battery. No problem here. If I'm misunderstanding, please rephrase.

Aerowinder said:
Device Idle is responsible for 1.32% drainage from your battery. No problem here. If I'm misunderstanding, please rephrase.
Click to expand...
Click to collapse
Actually This is what I was referring to, when using the phone the battery drains nice and slow. better than I would expect to drain during screen on time. But when I take it off charger at 6 am and leave it in place and come back at 11 or 12 am I lose about 10% which shouldn't be normal imo. See below:

aamir123 said:
Actually This is what I was referring to, when using the phone the battery drains nice and slow. better than I would expect to drain during screen on time. But when I take it off charger at 6 am and leave it in place and come back at 11 or 12 am I lose about 10% which shouldn't be normal imo. See below:
View attachment 1608439
View attachment 1608440
Click to expand...
Click to collapse
I'm not sure if that's normal but I loose that amount in 2hours and 45 minutes idle
Sent from my Rooted Gameboy

aamir123 said:
Actually This is what I was referring to, when using the phone the battery drains nice and slow. better than I would expect to drain during screen on time. But when I take it off charger at 6 am and leave it in place and come back at 11 or 12 am I lose about 10% which shouldn't be normal imo. See below:
View attachment 1608439
View attachment 1608440
Click to expand...
Click to collapse
looks to me that ur messaging app is going crazy...everything else looks normal.

what can I do to fix this? Its annoying. And no this shouldn't be normal, I like everything about the stock rom and wouldn't like to root just for the hell of it. But this actually has me thinking, (still leaning towards no as I still get thru the day) but would like to get if fixed non the less.

I noticed the same thing. When i unplug it in the morning it drains faster. But when im waiting for the fully charged notification to pop up then unplug it lasts longer. Its strange, maybe has something to do with charger. Do they have "safe mode" after fully charged to prevent overcharging or something?
Sent from my Galaxy S3 using neighbors wifi

1slow4G said:
I noticed the same thing. When i unplug it in the morning it drains faster. But when im waiting for the fully charged notification to pop up then unplug it lasts longer. Its strange, maybe has something to do with charger. Do they have "safe mode" after fully charged to prevent overcharging or something?
Sent from my Galaxy S3 using neighbors wifi
Click to expand...
Click to collapse
I always wait for the battery fully charged unplug charger notification to pop up before unplugging. So that doesn't seem to be the problem.

Faster drain is normal from 100% to 90%. It was explained to me that when you leave the phone on the charger overnight it charges to 100% and then allows it to drain some, then starts recharging again. You may really be at 95% when you pull it off the charger despite what the phone is showing.

First, get Better Battery Stats. It can help you figure out whether something is eating your battery abnormally.
Play store link
Also, I highly recommend GSam Battery Monitor It might be a little easier to understand than BBS, but I like and use both.
Finally, read this: Your battery gauge is lying to you!

futuremonkey said:
First, get Better Battery Stats. It can help you figure out whether something is eating your battery abnormally.
Play store link
Also, I highly recommend GSam Battery Monitor It might be a little easier to understand than BBS, but I like and use both.
Finally, read this: Your battery gauge is lying to you!
Click to expand...
Click to collapse
Im not rooted so I'm guessing that BBS wont work for me too much. Neither is GSAM Battery Monitor.

aamir123 said:
I always wait for the battery fully charged unplug charger notification to pop up before unplugging. So that doesn't seem to be the problem.
Click to expand...
Click to collapse
Oh ok. Nevrrmind then
Sent from my Galaxy S3 using neighbors wifi

Go to settings/wifi press menu and select advanced
set NEVER keep wifi on during sleep.... it cut drain to much lower level for me.

ndkone said:
Go to settings/wifi press menu and select advanced
set NEVER keep wifi on during sleep.... it cut drain to much lower level for me.
Click to expand...
Click to collapse
already on that setting also today I left the phone in my car for a few hours (after sunset) and when I came back the phone drained from ~50% to 0% and was very hot.

aamir123 said:
Im not rooted so I'm guessing that BBS wont work for me too much. Neither is GSAM Battery Monitor.
Click to expand...
Click to collapse
both apps are working without rooting.
BBS should be the best app to find out which process is your problem.

This phone gets hot randomly, guess it was just humid in your car. I feel like all this battery talk is useless android has never been good with battery life. This phone is huge and powerful so battery drain is going to happen. Also depends how long you had battery, how much you over charge battery. I read in several places that after 3 to 5 months of use batteries tend to drain faster.
Your best bet if it's such a big issue is getting another battery with a separate charger. Honestly in this day and age these smartphones should come with an extra battery lol
Sent from my SGH-T999 using xda app-developers app

daxecutioner24 said:
This phone gets hot randomly, guess it was just humid in your car. I feel like all this battery talk is useless android has never been good with battery life. This phone is huge and powerful so battery drain is going to happen. Also depends how long you had battery, how much you over charge battery. I read in several places that after 3 to 5 months of use batteries tend to drain faster.
Your best bet if it's such a big issue is getting another battery with a separate charger. Honestly in this day and age these smartphones should come with an extra battery lol
Sent from my SGH-T999 using xda app-developers app
Click to expand...
Click to collapse
My battery and phone are both less than a month old, as for humidity that doesn't drain a battery from 50-0% on idle in a few hours. Also I've posted new screenies, messaging used ~20% without being used and stats showing 0s awake. maps did something similar despite disabling all location services and unticking all boxes in the gps submenu. My issue isn't bad battery life, its idle battery life. I shouldn't lose 2% per hour or more when I unplug and go back to sleep.

Battery issue.

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Battery goes from 45% to a warning to the phone shutting down in less than a minute. Really getting frustrating.
Sent from my SAMSUNG-SM-N910A using XDA Premium HD app

indymx said:
View attachment 3742555
Battery goes from 45% to a warning to the phone shutting down in less than a minute. Really getting frustrating.
Sent from my SAMSUNG-SM-N910A using XDA Premium HD app
Click to expand...
Click to collapse
Most likely a bad battery. Are you using the OEM one or a third party one?
Sent from my SAMSUNG-SM-N910A using Tapatalk

spexwood said:
Most likely a bad battery. Are you using the OEM one or a third party one?
Sent from my SAMSUNG-SM-N910A using Tapatalk
Click to expand...
Click to collapse
OEM
I don't think it's the battery.. It really only occurs when I have location services enabled.

I had a similar issue. Replaced battery with another OEM Battery that came with an external OEM charger and hasn't happened since.

indymx said:
OEM
I don't think it's the battery.. It really only occurs when I have location services enabled.
Click to expand...
Click to collapse
I was having the exact issue, it started at 15% then 20% till finally it was happening at 45%. I bought a new battery on Amazon and put it in last night. Take a look at today's results and still going as I type this.
Sent from my SAMSUNG-SM-N910A using XDA-Developers mobile app

indymx said:
OEM
I don't think it's the battery.. It really only occurs when I have location services enabled.
Click to expand...
Click to collapse
You have a bad battery. There are no software issues in our firmware that would cause such an issue, so it isn't something like that.
Sent from my SAMSUNG-SM-N910A using Tapatalk

I have the exact same problem, my battery is OEM. It will be at 45% then shut down completely. When I put in the charger it's at 0%. I'm now living near an outlet daily. Guess I should hit up Amazon too! ?
Sent from my SAMSUNG-SM-N910A using Tapatalk

You need to calibrate your battery. Google how to do so

mz.choize said:
I have the exact same problem, my battery is OEM. It will be at 45% then shut down completely. When I put in the charger it's at 0%. I'm now living near an outlet daily. Guess I should hit up Amazon too!
Sent from my SAMSUNG-SM-N910A using Tapatalk
Click to expand...
Click to collapse
I just ordered a new battery.. I'm tired of it dying on me with 35 to 45% battery left.

My original battery started dying like that at about 25-30%. I was about a week from the end of my warranty and so AT&T tested my battery then sent me a replacement. Haven't had any battery issues since.
Sent from my SAMSUNG-SM-N910A using XDA Premium 4 mobile app

James.Markham0757 said:
You need to calibrate your battery. Google how to do so
Click to expand...
Click to collapse
Battery calibration is a placebo. It does NOTHING. On old Android phones, it did, but not with modern hardware.
Sent from my SAMSUNG-SM-N910A using Tapatalk

Worked for me when my battery was doing this at 25%. Calibrated 3 times and never have had the issue happen again.
spexwood said:
Battery calibration is a placebo. It does NOTHING. On old Android phones, it did, but not with modern hardware.
Sent from my SAMSUNG-SM-N910A using Tapatalk
Click to expand...
Click to collapse

James.Markham0757 said:
Worked for me when my battery was doing this at 25%. Calibrated 3 times and never have had the issue happen again.
Click to expand...
Click to collapse
So here's the thing. I've been declaring it a placebo based on a bunch of research I've done. Well, after looking through my research again very closely just now, I realized that the term "battery calibration" is used to represent two different things in the Android community. (1) Calibration done by deleting the batterystats.bin file in System/data, which usually requires root and can be done via calibration apps or manually, and (2) Calibration done by simply charging your phone to 100%, waiting a while before removing it from the charger in order to ensure that it's truly at 100%, then draining the battery down until the phone dies.
#1 is truly a placebo. It does absolutely nothing. When someone mentions battery calibration, they usually refer to method #1 and will ask about calibration apps or something like that.
Method #2 on the other hand has not been debunked according to my research and theoretically makes sense. From my understanding, newer Android phones have a chip that can sense the battery level and capacity of the battery placed inside it. So, if you put in a larger capacity battery, the battery level displayed on the phone should adapt accordingly. However, it depends on the type of batteries. I forget exactly what they're called, but some batteries, like the Zerolemon 10,000 mAh battery, are just 3 stock-sized batteries linked together, so the chip gets confused because it reads one "stack" at a time. This leads to symptoms like the battery levwl dropping steadily until like 30%, but then staying at 30% for a few hours before dropping to 29%. Or the levels dropping but then suddenly rising without being on the charger.
With other extended batteries that use a single "stack" instead, like the Hyperion extended battery, the chips read the battery level just fine.
So in conclusion, whether or not it's a placebo actually depends on which method of calibration being referred to. When you simply mentioned that it needed to be calibrated, my first assumption is method #1 since it's more commonly used in the Android rooting community. But if you're referring to method #2, it may or may not help as it turns out.
Sources:
https://plus.google.com/u/0/105051985738280261832/posts/FV3LVtdVxPT
http://www.phonearena.com/news/Here-are-10-types-of-Android-apps-you-should-absolutely-avoid_id65352
(Look at #1 on the list)
http://www.xda-developers.com/googl...-battery-stats-does-not-improve-battery-life/
Sent from my SAMSUNG-SM-N910A using Tapatalk

Yes I was referring to method #2. I guess I could have put a bit more detail into my post. But I also came across the same information you did when I was researching this problem that my phone was having when going from 25% to 0%. I was never able to try method #1 on this phone because there is no permanent root so I've never bothered. I can across method #2 and that's what I did. I also got the same info as you when I was looking into purchasing a zerolemmon 10,000 may battery but decided against it because of the way this phone reads the battery. Also OP: try not to use method #2 often as the battery reaching minimum capacity really hurts it. The battery's optimal performance is between 20-80 percent.
spexwood said:
So here's the thing. I've been declaring it a placebo based on a bunch of research I've done. Well, after looking through my research again very closely just now, I realized that the term "battery calibration" is used to represent two different things in the Android community. (1) Calibration done by deleting the batterystats.bin file in System/data, which usually requires root and can be done via calibration apps or manually, and (2) Calibration done by simply charging your phone to 100%, waiting a while before removing it from the charger in order to ensure that it's truly at 100%, then draining the battery down until the phone dies.
#1 is truly a placebo. It does absolutely nothing. When someone mentions battery calibration, they usually refer to method #1 and will ask about calibration apps or something like that.
Method #2 on the other hand has not been debunked according to my research and theoretically makes sense. From my understanding, newer Android phones have a chip that can sense the battery level and capacity of the battery placed inside it. So, if you put in a larger capacity battery, the battery level displayed on the phone should adapt accordingly. However, it depends on the type of batteries. I forget exactly what they're called, but some batteries, like the Zerolemon 10,000 mAh battery, are just 3 stock-sized batteries linked together, so the chip gets confused because it reads one "stack" at a time. This leads to symptoms like the battery levwl dropping steadily until like 30%, but then staying at 30% for a few hours before dropping to 29%. Or the levels dropping but then suddenly rising without being on the charger.
With other extended batteries that use a single "stack" instead, like the Hyperion extended battery, the chips read the battery level just fine.
So in conclusion, whether or not it's a placebo actually depends on which method of calibration being referred to. When you simply mentioned that it needed to be calibrated, my first assumption is method #1 since it's more commonly used in the Android rooting community. But if you're referring to method #2, it may or may not help as it turns out.
Sources:
https://plus.google.com/u/0/105051985738280261832/posts/FV3LVtdVxPT
http://www.phonearena.com/news/Here-are-10-types-of-Android-apps-you-should-absolutely-avoid_id65352
(Look at #1 on the list)
http://www.xda-developers.com/googl...-battery-stats-does-not-improve-battery-life/
Sent from my SAMSUNG-SM-N910A using Tapatalk
Click to expand...
Click to collapse
---------- Post added at 08:38 PM ---------- Previous post was at 08:37 PM ----------
spexwood very informational post for people that have not done the research. I'm sure this will help out people to understand more a bit of how their devices and the battery's that power them work
---------- Post added at 08:46 PM ---------- Previous post was at 08:38 PM ----------
BTW with this particular phone the Note 4 in general not just this variant it's the chip in the phone that reads the battery level that gives off the incorrect percentage left not the (zerolemmon) battery itself. The note 3 I believe was able to show correct percentage. Its something with the chip in this phone

budroid said:
My original battery started dying like that at about 25-30%. I was about a week from the end of my warranty and so AT&T tested my battery then sent me a replacement. Haven't had any battery issues since.
Sent from my SAMSUNG-SM-N910A using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Mine is long out of warranty