Develop Bugs

How can I track down my battery drain?

Leaving my OP in place, but I have rewritten the description with much more detail and pics here
http://forum.xda-developers.com/showthread.php?p=25401417#post25401417
I suggest skipping to there.
I am looking for general tips here. E.g., not asking you to diagnose my specific problem so much as give me ideas of what else to check or try.
Lately I have had unexplained (to me) battery drain. Yesterday I lost about 25 percent in an hour while the phone idled. It is not a constant thing, though. I can go an hour and loose 1 percent then loose massive amounts in the next hour.
Now, i have searched, but I have not found anything that applies to me.
I have:
Tried a different radio
Tried a different kernel
Reflashed my rom
Phone is entering deep sleep according to cpu spy
There are no unusual or excessive wake locks according to better battery stats
No apps are using a lot of battery.
I am in a low signal area at work, but putting the phone in airplane mode and dissabling background syn does not stop the drain.
Ideas?

might be your phone is loosing signal? i would check the battery stats in the settings menu to see if you have a poor mobile signal.

Zepius said:
might be your phone is loosing signal? i would check the battery stats in the settings menu to see if you have a poor mobile signal.
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beren28 said:
I am in a low signal area at work, but putting the phone in airplane mode and dissabling background syn does not stop the drain.
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So I don't think I can blame it on that.

Do you have any exchange sync on your phone?
Sent from my Galaxy Nexus using Tapatalk 2

can you give us screen shots of battery stats?

Herman76 said:
Do you have any exchange sync on your phone?
Sent from my Galaxy Nexus using Tapatalk 2
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I do, and on reflection it is a possible culprit since I added it recently.
Didn't occur to me since it was producing no wakelocks and the battery stats did not showing as using much battery.
I shall turn it off for a bit and see if that helps. (unless there is some other way to test if it is the problem first.) I am off to the search button!

Zepius said:
can you give us screen shots of battery stats?
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This is from yesterday when i set it down unused for about 90 minutes. The amount of wakes seems liek a lot, but it is similar to what i see when i have far far less drain, so I don't think that is the problem. I didn't get the app list screen, but out should screen as the only major drain with about 2 minutes.
I know it is shows poor signal strength, so immediately after that shot I put it in airplane mode, turned of sync, and rebooted. The battery continued to drain and graph had the exact same slope under those conditions. (Forget to get a pic though.)
Sent from my jitterbug using tapatalk.

System panel paid version with monitoring enabled is the best for tracking apps using CPU.

OK, still working on this.
To recap:
When the screen is off, and no apps are running I sometimes get inexplicable battery drain. This is occurring under conditions when I should be experiencing little or no drain at all. I say this becuase:
The screen is of and no bakground apps are running
the phone is NOT awake and IS entering deep sleep (as confirmed by cpuspy)
there are no unusual kernel or partial wake locks
there are no apps listed as using unexpected ammounts of battery
This is not a universal problem. The phone *often* behaves as expected. I can leave the phone off for an hour and see a 1% or 2% drain, and I am happy with that. However, sometimes, randomly, it goes nuts on my.
This graph from a few weeks ago shows what I mean. Look in the green box. The phone is sleeping, and the screen is off. The graph starts as a flatline, then, all of a sudden, it begins to drop precipitously.
Here is a graph that shows the battery dropping at the same rate whether the phone is awake or sleeping:
I have gone the following to try and narrow the problem down:
Done a completely fresh install of my Rom including a system wipe.
Tried two kernels (the aokp default and several relases of Franco's
Tried a different radio
Activated and installed a new sim card
I have come to suspect that the problem is network related. When the problem starts, sometimes going into airplane mode and back and/or toggling 2g only temporarily fixes the problem.
I suspect that something is happening with my connection to T-Mobile that keeps the network running and draining power. This is pure speculation, but it is all I can think of.
I installed juice defender (which I had not been previously running) and noticed the that, sometimes, it didn't turn of data when it should have. I also noticed the following two things happen:
I do not believe it is a rom problem, since if so, someone else would be reporting this. It might be an app problem, but if so the app is draining battery without a wake lock and while the phone is in deep sleep.
It is not exchange (as was suggested in this thread) since it continues when I ev my exchange account.
I have no idea what else to do or try.
Since it happens at random and takes a while to identify, uninstalling one app at a time to test for that could easily take months to narrow down a misbehaving app.
I know it is not a hardware issue since last month I got this:
That was with AOKP and Franco (earlier versions obviously)
I have google searched till my fingers bleed.
I am a long way form being an expert, and I suspect I may have overlooked something obvious.
Please, any thoughts??

Damn you definitely have a major issue and I don't know what it could be. But when my phone sleeps itstays dead flat with no awake bars, and drops 1% every 3 hours.

1. Calibrate battery
2. If you really wanna find the problem, install the rom with no mods or apps and run it and see if it still happens. Then add back each mod/app one at a time

derekwilkinson said:
1. Calibrate battery
2. If you really wanna find the problem, install the rom with no mods or apps and run it and see if it still happens. Then add back each mod/app one at a time
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Click to collapse
While I appreciate your effort, this is remarkable unhelpful for the following reasons:
1. "calibrating" the battery is a myth and doesn't actually do something. Even if it did, it would not explain the symptoms I have described. I have been around xda long enough to know it is the knee-jerk reaction to any battery question, but it is not relevant here.
2. Since the problem occurs at random, and sometimes takes hours to show up, (For instance, last night I charged to full and tried to catch it happening. For 4 hours nothing happened, it behaved perfectly. Then I went to bed and it immediately started to fall and was dead by morning) and since I have over 100 apps, your suggestion could easily take *over a year* to follow. Believe me, I have thought about it, but I started this thread hoping for ideas that would allow me to avoid it.
Here is that chart for last night.
I had about 1 hour and 30 minutes screen on time with 65% left when I went to bed. When I woke up, phone was dead.

RogerPodacter said:
Damn you definitely have a major issue and I don't know what it could be. But when my phone sleeps itstays dead flat with no awake bars, and drops 1% every 3 hours.
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Mine often does that. But sometimes it doesn't. It is the fact that it happens seemingly at random that makes it so annoying and hard to track down.

I would replace the battery
One thing you haven't rulled out is that the battery itself is bad.
Have a friend you could swap with for a day, or at least long enough to see if the problem follows? If your battery drops on their phone that is also a good indication.

arw01 said:
One thing you haven't rulled out is that the battery itself is bad.
Have a friend you could swap with for a day, or at least long enough to see if the problem follows? If your battery drops on their phone that is also a good indication.
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The thought has occurred to me, but unfortunately, no, I don't have a friend I can swap with. And really, since I have had the phone less than 3 months, the battery *shouldn't* be bad, but yeah, defective products happen.
If I cannot find any other cause I will likely order a new battery and see if that fixes it.

beren28 said:
While I appreciate your effort, this is remarkable unhelpful for the following reasons:
1. "calibrating" the battery is a myth and doesn't actually do something. Even if it did, it would not explain the symptoms I have described. I have been around xda long enough to know it is the knee-jerk reaction to any battery question, but it is not relevant here.
2. Since the problem occurs at random, and sometimes takes hours to show up, (For instance, last night I charged to full and tried to catch it happening. For 4 hours nothing happened, it behaved perfectly. Then I went to bed and it immediately started to fall and was dead by morning) and since I have over 100 apps, your suggestion could easily take *over a year* to follow. Believe me, I have thought about it, but I started this thread hoping for ideas that would allow me to avoid it.
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Click to collapse
1. yes battery calibration does make a difference.
2. ok, so an app can't run a process at random? especially when you have "over 100 apps"? Run the rom stock and see if it still happens, or even run the stock rom/kernel. if you don't want to try this then why are you asking for suggestions? christ

derekwilkinson said:
1. yes battery calibration does make a difference.
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You are incorrect. But, in any case, I DID calibrate the battery just to cover bases in the case that I was wrong.
2. ok, so an app can't run a process at random? especially when you have "over 100 apps"?
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We'll of course it can. That is kinda my point. If I go one app at a time waiting for it to "run a process at random" I am talking literally MONTHS of testing. I would have to wait many hours, if not days after installing or uninstalling an app to be sure whether or not it made a difference, then move on the the next. This is simply not an option. I started this thread in hopes that a realistic and doable solution might exist that I was unaware of.
Run the rom stock and see if it still happens, or even run the stock rom/kernel. if you don't want to try this then why are you asking for suggestions? christ
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I am asking because there may be a solution that I am unaware of that doesn't require me to put my entire life on hold for months. It is possible that there is no such solution, but I asked in case there was one.
Sorry to have put you out so much.

You mentioned you recently installed exchange sync. Did turning off sync remedy this or have you not tried disabling all sync features?
One other thing to check is the background data usage of your apps. You'd find this under 'data usage' and make sure you enable the wifi tab so you can see data usage on wifi.

skadebo said:
You mentioned you recently installed exchange sync. Did turning off sync remedy this or have you not tried disabling all sync features?
when i did a complete quote and re flash i did not setup the exchange account, but the issue continued.
One other thing to check is the background data usage of your apps. You'd find this under 'data usage' and make sure you enable the wifi tab so you can see data usage on wifi.
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I'll check that out. Thanks.
Sent from my jitterbug using tapatalk.
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My battery also drains at a rate similar to yours however I'm on the CDMA version. Hopefully you can figure out what's going on with yours.

Possible ATT JB update battery drain fix - root only

I had been getting some higher battery drain with JB than I was with ICS, both were on rooted stock ATT roms. Early on I had posted that it was about the same as ICS, but after more and more use, I was starting to find that it really wasn't. I was consuming about 5-8% per hour idle and 10+ while actually using it. The idle bothered me the most because, obviously, using a phone will drain the battery
Two things have stood out as the high consumers: Media Scanner and poor signal.
To address the media scan drain, there have been suggestions to change CWM settings to backup as .tar rather than default .dup. This ONLY works if you re-do each nandroid that was a .dup as a .tar, delete the .dup backups, and clear the unused backup data through CWM. This removes the blobs folder files which will be in the thousands.
To address the poor signal drain, I flashed the UCLH9 modem (see modems thread in the development forum). Better Battery Stats is not showing any drain caused by poor signal, and this is also reflected by actual usage, the signal is simply... better.
Consumption is marginally higher than on ICS but not nearly as high as I was experiencing. If this has already been covered, my apologies for eating up server space...

Could you alternatively put a .nomedia file into the clockworkmod folder on the device? Would that prevent it from scanning that folder?

Well I'm bone stock and not rooted, I have no backups and the media is eating my battery like mad since the update. I've killed the process several times but it starts back up on its own. The only way I know to fix it will require root.
Sent from my SAMSUNG-SGH-I747 using xda premium

There is a rogue app in the stock TW that is doing it. I have seen it in every 4.1.2 port. Run a de-bloat and it will go away.

Do you know what bloat exactly is causing it?

shoestar said:
There is a rogue app in the stock TW that is doing it. I have seen it in every 4.1.2 port. Run a de-bloat and it will go away.
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Click to collapse
I have all the att and Samsung bloat frozen via TiBu.

Trust me, something is there. I never had the chance to figure out exactly which app it was though. I have a feeling that it may have something to do with a Samsung app.
I would suggest using OS Monitor from the Play Store. Make it show all system processes and see if you can dig deeper into it.
Edit: Also, here is my humble opinion too. People keep wanting new and better features. Well, that always comes at a cost. Just remember that. The iPhone boys are learning that the hard way too.

shoestar said:
Trust me, something is there. I never had the chance to figure out exactly which app it was though. I have a feeling that it may have something to do with a Samsung app.
I would suggest using OS Monitor from the Play Store. Make it show all system processes and see if you can dig deeper into it.
Edit: Also, here is my humble opinion too. People keep wanting new and better features. Well, that always comes at a cost. Just remember that. The iPhone boys are learning that the hard way too.
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I agree with that sentiment... I'm considering reverting back to ICS but the smoothness of jelly beans is too enticing.
after making these changes yesterday I got a 40% battery consumption over 9 hours with average use which IMHO is plenty.

Solution is to reboot the phone OR unmount by going into settings, storage and unmount the USB there instead of from the notification bar. I think this solution works but have not tried it myself.

rebooting whenever the os gets out of hand, or unmounting the SD card, is not a viable option IMHO.
my post was directed toward root users who have cwm installed and are experiencing the media drain because of the blob files. the modem change I tried because all the reliable jelly bean ports seem to use the H9 modem. a weak mobile signal is detrimental to battery life, as is a weak or intermittent WiFi signal.
believe me, on my rooted phone, these two changes made a real and noticeable improvement in battery life in JB. I've gone half the day today on ICS and half the day on JB. battery consumption is now within the range I had on ICS.
one the one hand, I believe that some increase in consumption is due to the "omg I has the jelly beans and I'm going to use the bejeasus out of my phone" factor. I also believe that a good number of fixes and patches are simply a placebo effect. BUT, my phone had been getting hot and tearing up the battery due to signal searching in areas where it had been fine prior to the update. heck, we have an att tower within 100 ft if my office, I typically pull 69-70mbps at work. on the k3 modem I was regularly dropping data or losing LTE. not anymore.

Un mounting then re mounting seems to have worked for me the process can now be killed!
Sent from my SAMSUNG-SGH-I747 using xda premium

1% in the last hour and it wasn't idle the whole time. sent a few texts and spent a few minutes on Facebook. I'll take it...

Check you facebook mine wa at 51% I uninstalled it and re installed fixed battery drain
Sent from my SAMSUNG-SGH-I747 using xda app-developers app

Argh. k3 modem has been simply horrible. was constantly losing data though I initially thought it was the rom i was using. Is it safe to back flash from k3 to h9 or is there a certain procedure that needs to be done?

mtl171 said:
Argh. k3 modem has been simply horrible. was constantly losing data though I initially thought it was the rom i was using. Is it safe to back flash from k3 to h9 or is there a certain procedure that needs to be done?
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I used the CWM flashable zip from the thread in development. I did the typical cache/dalvik cache wipe first.
the last4 hours the phone was on my nightstand unplugged doinga sleep drain test. 0.3% per hour.

Ok I have found something running on my SGS3 that wasn't running all the time before and now its open constantly. I need to know if anyone knows if this one is safe to FC and then disable. Any help would be appreciated. I mean heck I wake up in the morning and this is running and I definitely am not using maps in my sleep.LOL anyways anyone know?

bogdaryl said:
Ok I have found something running on my SGS3 that wasn't running all the time before and now its open constantly. I need to know if anyone knows if this one is safe to FC and then disable. Any help would be appreciated. I mean heck I wake up in the morning and this is running and I definitely am not using maps in my sleep.LOL anyways anyone know?
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what is it?

OOPS! Sorry about that. MAPSserviceSamsung. I finally found the list of apps safe for disable and it is safe to disable. I'm seeing a bit of improvement in battery life. I also uninstalled facebook and reinstalled it and since doing these 2 things I'm things are getting much better.

I will have to try these. My battery is horrid. My OneX got easy 30+ hours of heavy use to a charge. My SG3 is lucky to get 8 hours. I average 10% an hour on mild use, heavy use and its as high as 15%
Sent from my SGH-I747M using xda premium

bogdaryl said:
OOPS! Sorry about that. MAPSserviceSamsung. I finally found the list of apps safe for disable and it is safe to disable. I'm seeing a bit of improvement in battery life. I also uninstalled facebook and reinstalled it and since doing these 2 things I'm things are getting much better.
Click to expand...
Click to collapse
I'd like to see that list too if you don't mind sharing the info
I think I'm going to do a factory reset soon. Pretty sure that these drains are caused by some leftovers from ICS...

Battery Life Issues

Scenario:
Yes, yes, I know. Battery life issues. This is a common problem, noticeably on the Samsung Galaxy S3. However, I've taken a look at MANY MANY threads concerning this common and irritating issue. I always ensure that my data is off, wifi is off, airplane mode is enabled, power saving mode is on, sync is off, brightness is at low, etc. I've even gone to the running services section and manually stopped unnecessary processes. However, my battery life is still terrible. I've tried different roms, different kernels, and eventually found myself back at the stock rom and kernel (best stability). I've debloated my device. I even downloaded a bunch of useless battery saving apps that don't do much apart from the obvious. Is there anything I can do? I will be putting up screenshots of my battery stats.
Usage;
I am a typical user when it comes to smartphones. I browse through xda forums, watch some youtube videos, browse the internet, play a few games, and soon enough the battery begins to plummet. I've noticed at times that the phone gets hot. I have a general knowledge of the things that drain my battery the most. After looking at the battery stats section that comes with phone, it says that Android system, media, and screen use the most battery. Whats the point of having a smartphone if you have to tweak almost everything just to allow your phone to last one day?
I am thinking that there are certain background processes that are dramatically draining my battery. I don't have many apps installed, because I am always flashing roms. I've wiped media storage data, by the way. Some apps that I have installed are the xda developers app, dolphin browser, rescan media root, root browser, rom manager, DS Battery Saver, and lux dash.
Extra: I've debloated (still some left over garbage stock apps leftover but not much, and does it actually help?), I've installed lux lite and lowered my brightness to the point where you can barely see the screen, and I've also downloaded rescan media root and disabled media scan (I heard it has some effect).
If you have any suggestions, please post them. Thanks for reading my thread.

dannytron said:
Scenario:
Yes, yes, I know. Battery life issues. This is a common problem, noticeably on the Samsung Galaxy S3. However, I've taken a look at MANY MANY threads concerning this common and irritating issue. I always ensure that my data is off, wifi is off, airplane mode is enabled, power saving mode is on, sync is off, brightness is at low, etc. I've even gone to the running services section and manually stopped unnecessary processes. However, my battery life is still terrible. I've tried different roms, different kernels, and eventually found myself back at the stock rom and kernel (best stability). I've debloated my device. I even downloaded a bunch of useless battery saving apps that don't do much apart from the obvious. Is there anything I can do? I will be putting up screenshots of my battery stats.
Usage;
I am a typical user when it comes to smartphones. I browse through xda forums, watch some youtube videos, browse the internet, play a few games, and soon enough the battery begins to plummet. I've noticed at times that the phone gets hot. I have a general knowledge of the things that drain my battery the most. After looking at the battery stats section that comes with phone, it says that Android system, media, and screen use the most battery. Whats the point of having a smartphone if you have to tweak almost everything just to allow your phone to last one day?
I am thinking that there are certain background processes that are dramatically draining my battery. I don't have many apps installed, because I am always flashing roms. I've wiped media storage data, by the way. Some apps that I have installed are the xda developers app, dolphin browser, rescan media root, root browser, rom manager, DS Battery Saver, and lux dash.
Extra: I've debloated (still some left over garbage stock apps leftover but not much, and does it actually help?), I've installed lux lite and lowered my brightness to the point where you can barely see the screen, and I've also downloaded rescan media root and disabled media scan (I heard it has some effect).
If you have any suggestions, please post them. Thanks for reading my thread.
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TL;DR all the way since there is no numbers. We need numbers and better yet wakelocks. The info you state sounds like normal usage that should get about 2-3 hours screen on time, and 16 hours or so day usage. You say you turn off data, and wifi, and put on airplane mode, and stuff and yet you use the phone normally?? Either way give us screen on time and the main users, and the graph.
Furthermore, no need for duplicate threads....

mt3g said:
TL;DR all the way since there is no numbers. We need numbers and better yet wakelocks. The info you state sounds like normal usage that should get about 2-3 hours screen on time, and 16 hours or so day usage. You say you turn off data, and wifi, and put on airplane mode, and stuff and yet you use the phone normally?? Either way give us screen on time and the main users, and the graph.
Furthermore, no need for duplicate threads....
Click to expand...
Click to collapse
What do you mean when you said TL ;DR all the way? What is TL ;DR?
I'm going to charge up to 100% and then when I get to about 50% battery life or so I will post screenshots. As I stated in my first post, I acknowledge that there are many battery problem threads out there, but people also say it can vary from phone to phone, and I will soon post screenshots so that somebody can at least tell me what is causing my battery drain, specifically and what I can do about it.
If anybody feels that this is a duplicated thread, please refer me some links or useful threads that I can look at.
Forum mods, if you feel that this is a duplicated thread feel free to close it.

dannytron said:
What do you mean when you said TL ;DR all the way? What is TL ;DR?
I'm going to charge up to 100% and then when I get to about 50% battery life or so I will post screenshots. As I stated in my first post, I acknowledge that there are many battery problem threads out there, but people also say it can vary from phone to phone, and I will soon post screenshots so that somebody can at least tell me what is causing my battery drain, specifically and what I can do about it.
If anybody feels that this is a duplicated thread, please refer me some links or useful threads that I can look at.
Forum mods, if you feel that this is a duplicated thread feel free to close it.
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Click to collapse
BetterBatteryStats log or nobody can help you.

Aerowinder said:
BetterBatteryStats log or nobody can help you.
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Should I just leave it overnight and then post bbs log tomorrow?
Btw, should I install ktweaker so that I can set governor to conservative and also tweak some settings or should I leave it alone?

Also if you really want reliable results, either run the tests on the primary rom you will be using or run on stock rooted. Dont debloat because it can be very easy to remove something that could impact performance. You can do that after running your tests and gathering data. The further down you run your battery, the more reliable the data btw.
This hasn't been much of an issue since JB came out, but if the media scanner is using a large amount of power delete all your media content from both internal and external sd cards. Clear data on media storage (factory reset preferred) and run a day w/o the media on your device.
As stated above though, BBS screenshots are needed for further help.
Sent from my SGH-T999 using xda premium

DocHoliday77 said:
Also if you really want reliable results, either run the tests on the primary rom you will be using or run on stock rooted. Dont debloat because it can be very easy to remove something that could impact performance. You can do that after running your tests and gathering data. The further down you run your battery, the more reliable the data btw.
This hasn't been much of an issue since JB came out, but if the media scanner is using a large amount of power delete all your media content from both internal and external sd cards. Clear data on media storage (factory reset preferred) and run a day w/o the media on your device.
As stated above though, BBS screenshots are needed for further help.
Sent from my SGH-T999 using xda premium
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Click to collapse
Ok I'll reinstall stock rom and kernel and post results tomorrow. Should I turn off wifi, set airplane mode, set powersaving mode, (basically do normal tweaks to save battery) or just leave it as normal?

dannytron said:
Ok I'll reinstall stock rom and kernel and post results tomorrow. Should I turn off wifi, set airplane mode, set powersaving mode, (basically do normal tweaks to save battery) or just leave it as normal?
Click to expand...
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No.
Charge it up before you go to sleep. Unplug the phone, turn off the display, and let it sit idle while you sleep for at least 4 hours. When you wake up, open BetterBatteryStats, and press the share button on the top right. Dump to txt file and post it here.
If you give BBS root access, and set it to show alarms (in the advanced settings), that can be helpful also. It's better if you can do this, actually. Then run your test.

dannytron said:
What do you mean when you said TL ;DR all the way? What is TL ;DR?
I'm going to charge up to 100% and then when I get to about 50% battery life or so I will post screenshots. As I stated in my first post, I acknowledge that there are many battery problem threads out there, but people also say it can vary from phone to phone, and I will soon post screenshots so that somebody can at least tell me what is causing my battery drain, specifically and what I can do about it.
If anybody feels that this is a duplicated thread, please refer me some links or useful threads that I can look at.
Forum mods, if you feel that this is a duplicated thread feel free to close it.
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Click to collapse
I was referring to you making two posts about the same thing. As you're already aware of since you acknowledged your mistake here
and tl;dr is Too Long Didn't Read... just cause of the fact that there was no numbers to look at. Looking forward to seeing what your issue is tomorrow. Hopefully it might just be a bad battery.

Yeah just reset to stock and just doing some daily browsing on phone. Btw, on bbs, there are multiple graph, (processes, wakelocks, kernel wakelocks, other, alarm wakelock, etc) which one(s) should I post?
Sent from my SGH-T999L using xda app-developers app

All and click on the share logo, and do dump text file and post that also.
Sent from my SGH-T999 using xda premium

I left it on overnight, battery only drained like 4% so I don't think its a problem when its in idle. As of now I am testing how long my battery will last with moderate usage. I'm hoping it will last at least 24h its been 10h and its at 79%. Its that good? I've mostly been listening to music, I haven't opened any apps. Only problem is whenever I am on xda or playing a game, the battery seems to drain like 1% every 5-10 min. Is this normal?

dannytron said:
I left it on overnight, battery only drained like 4% so I don't think its a problem when its in idle. As of now I am testing how long my battery will last with moderate usage. I'm hoping it will last at least 24h its been 10h and its at 79%. Its that good? I've mostly been listening to music, I haven't opened any apps. Only problem is whenever I am on xda or playing a game, the battery seems to drain like 1% every 5-10 min. Is this normal?
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Yes that's normal.
Just leave BBS running all the time. If you have any more problems, I think you know what to do

This is exactly what I was expecting the whole time, normal usage and normal battery drainage.
Sent from my SGH-T999 using xda premium

mt3g said:
This is exactly what I was expecting the whole time, normal usage and normal battery drainage.
Sent from my SGH-T999 using xda premium
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My battery life on stock rom is better than custom rom and kernel? I find that kind of weird. Is it just me or do other people's phones have better battery life on stock than custom?

dannytron said:
My battery life on stock rom is better than custom rom and kernel? I find that kind of weird. Is it just me or do other people's phones have better battery life on stock than custom?
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I run stock. Never seen anyone beat mine...

Lol then I guess I have been hearing the wrong stuff, always thought that custom roms/kernels were better than stock

Aerowinder said:
I run stock. Never seen anyone beat mine...
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I think he means stock like out of box
Sent from my SGH-T999 using xda premium

mt3g said:
I think he means stock like out of box
Sent from my SGH-T999 using xda premium
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Have you seen this? http://www.jeffmixon.com/examining-build-prop-tweaks-for-android-ics-a-comprehensive-guide-part-1/
Most of the battery "tweaks" in use by custom ROMs are in there. And I was running stock deodexed before S3Rx and ultimately Dandroid. Battery is always good as long as I run LJC firmware.

Aerowinder said:
Have you seen this? http://www.jeffmixon.com/examining-build-prop-tweaks-for-android-ics-a-comprehensive-guide-part-1/
Most of the battery "tweaks" in use by custom ROMs are in there. And I was running stock deodexed before S3Rx and ultimately Dandroid. Battery is always good as long as I run LJC firmware.
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Just took a quick look at it, looks pretty complicated for me. What exactly is the difference between deodexed and odexed anyways? I've heard of both of them but never really understood what they were. Which firmware do you run on currently?
For the firmware are you referring to the 4.1.1 JB firmware T999_UVDLJC?

Battery Problems (After Bricking??)

Alright so I've been doing research online this week and haven't been able to fix it so I'm coming to you guys. I'll give you a little background to hopefully help speed up this process.
So about 3 weeks ago I rooted my Sprint LG Optimus G after having it for almost a year to get some better performance and battery life out of it. After getting it all setup, I noticed a huge difference and was even able to watch the movie Flight and two episodes of Family Guy off Netflix and my battery still lasted 9 hours that day.
Well last weekend after uninstalling some Google apps I soft bricked my phone. Thanks to the help of sawdey21 on the IRC I was able to get it back up and running with LGNPST. After getting it running, I switched launchers (from Holo to Nova) and also unlocked mine phone via FreeGee with TWRP. Since then, my battery life has been terrible. To give you a reference it took my phone 8 hours to fully charge last night while it was off (although since I unlocked it I have a new charging animation and after a few seconds of the animation, instead of shutting the screen off like it use to it now just goes to a black screen but is still on as you can see the brightness. It never shuts off). After unplugging it, an hourly later I was down almost 15% after just listening to music and after 4.5 hrs its at 30% and I just plugged it in. Today I have done nothing but listen to music and just period check/browse my phone.
Is it possible that the bricking messed up my battery? Or the unlock? I switched back to the previous Holo launcher I was using before and it made no difference. I've also unistalled several apps I downloaded since the bricking I thought could be causing it.
Has anyone ran into this or could help? My next step is to boot back into Download Mode and try LGNPST again. I would post pics of Battery Settings, WakeLocker and BetterBatteryStats but I can't since I'm a new comer.
Thanks!

Different roms use a different amount of power...
Sent from my GT-P3100 using xda app-developers app

xSTUDDSx said:
Alright so I've been doing research online this week and haven't been able to fix it so I'm coming to you guys. I'll give you a little background to hopefully help speed up this process.
So about 3 weeks ago I rooted my Sprint LG Optimus G after having it for almost a year to get some better performance and battery life out of it. After getting it all setup, I noticed a huge difference and was even able to watch the movie Flight and two episodes of Family Guy off Netflix and my battery still lasted 9 hours that day.
Well last weekend after uninstalling some Google apps I soft bricked my phone. Thanks to the help of sawdey21 on the IRC I was able to get it back up and running with LGNPST. After getting it running, I switched launchers (from Holo to Nova) and also unlocked mine phone via FreeGee with TWRP. Since then, my battery life has been terrible. To give you a reference it took my phone 8 hours to fully charge last night while it was off (although since I unlocked it I have a new charging animation and after a few seconds of the animation, instead of shutting the screen off like it use to it now just goes to a black screen but is still on as you can see the brightness. It never shuts off). After unplugging it, an hourly later I was down almost 15% after just listening to music and after 4.5 hrs its at 30% and I just plugged it in. Today I have done nothing but listen to music and just period check/browse my phone.
Is it possible that the bricking messed up my battery? Or the unlock? I switched back to the previous Holo launcher I was using before and it made no difference. I've also unistalled several apps I downloaded since the bricking I thought could be causing it.
Has anyone ran into this or could help? My next step is to boot back into Download Mode and try LGNPST again. I would post pics of Battery Settings, WakeLocker and BetterBatteryStats but I can't since I'm a new comer.
Thanks!
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I'm not 100% sure but it is possible the bricking messed with the battery. LGNPSTing back to stock could have affected it, anytime you flash a new rom it takes a couple of days to "settle in" but you said last weekend so it should be settled by now.
But from your info, it may be the way you are charging it. There is a common misconception that every so often you are supposed to let your battery drain fully and then charge to 100%. This is only true for nickel based batteries, ours is lithium so this is in fact quite detrimental. Lithium batteries are built to be charged often and you should never let it dip too far into the red. Doing so decreases the life and performance of your battery significantly. 5% is as low as I'll let my battery dip before charging and even that is pushing it imo. There is an app in the play store called battery calibration that actually tells you to do this, but like I said, it's only useful for nickel based rechargeable batteries. Also this same app's function is deleting the batterystats.bin file in order to "recalibrate" the battery. This is also completely false as that file has nothing to do with how well your battery performs.
I wouldn't turn the phone off to charge, just charge it while it's still on so the screen actually shuts off. Checking your wakelocks and using greenify on power hungry apps will go a long way. I also turn my capacitive buttons off because I don't need to see them to know left, right, center and what they do. And if I'm not using it, it is always off, sync, gps, brightness when inside, etc. But as I said, it may have been the way you were charging it, it might not affect the battery for months, then all of a sudden your battery doesn't perform as well because it's dying due to improper charging techniques. And when you LGNPSTed back to stock, your system tries to start fresh which is why it may have happened immediately afterwards.
I hope some of this helps you - if using greenify doesnt show improvement you may want to buy a bigger capacity battery and start fresh. Installing the new battery is tricky however, there are youtube videos on how to do it, but it may not be for everyone.
Good luck and I'm sorry if I assumed too much or misread your info!
EDIT: You may also want to try flashing a different stock kernel(I use Viper1.1, my signature has a link to the thread) and using trickstermod to undervolt the cpu. The improvement is minimal but every little bit helps. On average I get a full 24 hours in between charges and usually charge once it hits 10-15%. And it only takes about 60-120 minutes to fully charge.
However the lgog is also very fickle, what works for one may not work on another, even if it's the exact same model. Many people have reported the same security bootloop soft brick after deleting google apps for instance, but I deleted(not frozen or disabled) google apps just fine. The only ones I have on my phone are play store and google search and I'm still on stock zvc.

HPTesta,
Appreciate the response and all the info. To clarify a little more, I've never installed a custom ROM. Just been doing launchers from the Play Store besides having to do the LGNPST. As far as Apps I've been using greenify since I rooted 3 weeks ago as well as CPU Tuner which had both been doing great for me before this.
As far as charging goes, I generally never run my phone compleley dead. I usually charge when its getting low but last night I ran it complete lay dead to use Wake locker (read in the app store to drain bat, recharge full, and use after a couple hrs.
One thing I did find weird is that I don't remember how much battery I had when I bricked it but after doing the LGNPST I had 0 (Don't know if that's normal).
Also, never used the Battery Calibration app.

And based off what your saying would you not recommend doing LGNPOST again?

xSTUDDSx said:
HPTesta,
Appreciate the response and all the info. To clarify a little more, I've never installed a custom ROM. Just been doing launchers from the Play Store besides having to do the LGNPST. As far as Apps I've been using greenify since I rooted 3 weeks ago as well as CPU Tuner which had both been doing great for me before this.
As far as charging goes, I generally never run my phone compleley dead. I usually charge when its getting low but last night I ran it complete lay dead to use Wake locker (read in the app store to drain bat, recharge full, and use after a couple hrs.
One thing I did find weird is that I don't remember how much battery I had when I bricked it but after doing the LGNPST I had 0 (Don't know if that's normal).
Also, never used the Battery Calibration app.
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Ok well it seems like you follow good battery techniques. Maybe try LGNPSTing back to a full stock zvc(or zvb and then updating to zvc) and charge it to 100%(let it sit at 100% while still charging for 15 mintues or so) before rerooting and unlocking. I would probably also copy your internal to your pc and wipe everything in recovery before doing LGNPST just to make sure it is a completely clean slate. I added an edit in my post above as well.
I had a strange issue a few weeks back where I tried overclocking my cpu with AK kernel - my battery was at 99%. My phone shut off and wouldn't come back on, just had a red blinking light. I later found out it was an issue with AK. I charged it for a few minutes and luckily was able to get into TWRP. The strange part was that when I did get into TWRP my battery read 0%, I did a full wipe and restored my backup, then my battery read 99% in TWRP. It's a different issue from yours but makes me think that it's possible that your softbrick and LGNPSTing affected it somehow.
---------- Post added at 03:52 PM ---------- Previous post was at 03:49 PM ----------
xSTUDDSx said:
And based off what your saying would you not recommend doing LGNPOST again?
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I honestly have not had or heard of any issues with LGNPST and battery performance. Anytime Ive had to use LGNPST with a full stock .bin, it essentially set my phone back to factory condition, battery performance included. However since this all happened when you did this, maybe try flashing another rom first, even a stock based one and leave LGNPST as a last resort. Just make sure you read the instructions for whatever rom you decide to test and always do a full wipe(data, cache, dalvik and system) before flashing.
EDIT: Sorry if it seems like I gave you conflicting info, if it was me I would probably be weary of using LGNPST again, personally. But if I tried flashing other things, different recoveries, roms and still had the same issue, maybe it was just a slightly messed up LGNPST flash and would try it again as a last resort.

Forgive my ignorance but I've never actually booted into twrp recovery. Its volume up and power but where do you go from their to wipe?

xSTUDDSx said:
Forgive my ignorance but I've never actually booted into twrp recovery. Its volume up and power but where do you go from their to wipe?
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After holding volume up + power, you then will hit volume down twice and power again. Once in TWRP it is very easy, there is an install button, wipe button, etc. Hit the backup button, pick all available options and then do a backup and reboot into your OS. From there, download a rom(optimus DE is a great stock rom) to your internal and you will probably need gapps as well(depends on rom but almost all of them need gapps or you wont even have the play store - just read the install instructions of the rom). Go back into recovery, This is under the advanced wipe button in the wipe menu - wipe everything except internal storage(if you wipe internal you will lose your backup, pictures, music, etc) and then go to install, pick the rom.zip and flash that, then pick the gapps zip and flash that as well.
Also keep in mind that if you flash an AOSP or CM based rom, the file system will be different. Our internal storage is /data/media but for AOSP based it is /data/media/0. So say for instance you make a backup in TWRP of your stock then flash an AOSP rom, it will look as if your internal is gone as well as your backup. You will just have to use a root file explorer to copy the /data/media/TWRP folder to /data/media/0/TWRP and then you will be able to restore your backup from TWRP.
If you are just going to try LGNPST again then when you get into TWRP pick everything including internal and turn the phone off and put the phone into dl mode(you know what you are doing from there).
One final note, if you are using current FreeGee to unlock then you are most likely using the updated TWRP. Some people have had SEVERE issues with it, for others it works just fine. You need it to install any rom based on Android 4.4 but I personally use TWRP 2.5.0.0 which will flash stock to Android 4.3 roms just fine and it is rock solid stable. So unless you are planning on installing a kit kat rom, I would first download the TWRP 2.5.0.0 zip found here to your internal, go into twrp, pick the install button, find the .zip file and install that, then go to reboot in TWRP's main menu and choose recovery instead of system. TWRP should now read 2.5.0.0.
Sorry for the books I'm writing here but I think it's always best to be thorough!! And I haven't slept in about 30 hours so I am a bit scatter brained.

battery drain

I'm experiencing that my phone seems always died. It doesn't even last 2 hours. I'm using stock everything everything up to date. Is there anything I can do to fix this issue

One user wrote here, that he found a very old battery in his quite new device. Maybe, your's too. There are YouTube's about opening the cover.
Or try a clean install. Stock is no guarantee for clean.

Bump

Wipe it is what I'd do first. I mean like go into twrp and format data then encrypt again. Only takes a minute to encrypt.. if that doesn't work I'd say what the first person who commented could be true. Old battery or your device has been left plugged in too long too many times. I zap mine until it's at 100% then immediately take it off. That's my 2¢ on this. Hope you get it resolved soon. All else fails contact Google and tell them to give you a replacement in a nice way and maybe they will let you send them that unit in and send you another. Worth a shot anyway. Good luck.

Is there a best combo schedular?

Dulguundd said:
Is there a best combo schedular?
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You may have better luck reviewing what everyone uses in this thread here: https://forum.xda-developers.com/showthread.php?t=3229424
Different schedulers work different ways with different governor's from what I understand. Check out that thread. Plenty of nice settings shared there..
Sent from my Nexus 5X using XDA-Developers Legacy app

If the battery looks warped and gets noticeably hot while charging, it needs to be replaced. That's a no brainer and it cannot be salvaged or worked around. It's kaput.
If the battery is fine, but when you pick up the phone and it feels slightly warm, even though you haven't used it, then it's probably running something when it shouldn't be running. This can be caused by a lot of different things, and can be solved from anything from clearing your cache (this, often solves it), doing a malware/virus scan, all the way to factory resets and data wipes. And what is using the power isn't always apparent via battery usage/monitoring apps, so i wouldn't even bother going that route. And even though it may solve the problem, it may come back, for no apparent, traceable reason - because over time there are updates and we add or remove apps when we use our phone, and we don't know what things are changed and left alone.
Personally, i've tried so many things and some measures have worked but problems come back and persist, to varying degrees. The only sure way that i have done that gives me result is to use the Greenify app and use shallow hibernation and aggressive doze, along with not keeping wifi on during sleep (only when plugged). This ensures that, when i'm not actually using the phone, all processes (apart from core/critical) and any data is completely shut down and thereby the power that is used toward that end is cut off. If i have light use, i can have a charge for as long as 4-5 days at a time, which sounds incredible, but with the screen off most of the time and no background, rogue processes, it's possible. And the app allows you to whitelist apps, so you still get notifications and such (if you keep wifi on or plugged in).
But for this to really work well, you need to have your phone rooted and Greenify working in root, with Usage Access. Also note that this aspect of the app requires you to be on Android 6 or higher. It's a good idea to root your phone since you want to be able to get rid of bloatware that is probably draining a lot of your juice in the first place. But you may have some luck using the app without root or not at Android 6. Try it - who knows.
But do try clearing your cache first (in settings->storage). That may resolve it and you may not need to go further.
Anyway to sum up, ROOT, Greenify, shallow/aggressive doze. Hope that helps.