While I own an international unlocked version of the S2, i assume the Sprint version must be very similar. After countless hours of trying to figure it out, this is what i discovered and solved my battery draining issue (it's been two months with no problems at all) i get 4 to 5 hrs display time and it lasts me all day. I was on stock 2.3.3 and recently upgraded to 2.3.4. with same results. The following tips are things i did prior to rooting, and they solved my battery drain issue.
1. Anything that tracks location is a battery drainer and i discovered that i was using wireless networks for location (it's also not that accurate) and it was the biggest culprit, so i disabled it and now i use gps (more accurate) as needed and turn it off when done. If you use Google maps with google latitude enabled, sign out of latitude when done using it.
2. App killers use more battery than saving it by closing apps and processes that run in backgroung that will automatically open right back again. Stay away from them.
3. Some apps if left in memory will constantly cause cpu spikes (suspend and events/0), in my case it was Facebook and Xfinity apps. So i close all active apps in task manager. Don't really clear ram, just close active apps.
4. Use Watchdog from Market to track any apps that might be using a lot of cpu.
5.Enabling Back up my data also drained my battery, so i disable it.
Hopes this helps...
AqueousBor said:
1. Anything that tracks location is a battery drainer and i discovered that i was using wireless networks for location (it's also not that accurate) and it was the biggest culprit, so i disabled it and now i use gps (more accurate) as needed and turn it off when done.
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While I can't state for certain that it's causing any extra battery drain, Carrier IQ is hooking into the location service, and every time your location changes, grokking your latitude, longitude, accuracy, and a timestamp. This is new to the Epic Touch.
I constantly have alerts for suspend and event/0 in watchdog. In the stock task manager there really isnt much running to kill. It's driving me nuts. haha My battery life isnt horrible but I think it could be better..
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My phone is waking up quite a bit overnight while I'm sleeping. How do I find out what app or process is waking the phone up and keeping it awake?
In the attached screen shot, the phone was sitting, screen off, for about 8 or more hours but as you can see there are non trivial stretches of awake time.
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For reference, I have gmail, google calendar, and google contacts set to sync; was signed into google talk; have an exchange server set to sync email and calendar once an hour; and beautiful widgets set to sync weather once an hour. All that said, those stretches if awake time seem longer than it would take to pull email or weather. Maybe I'm wrong on that though?
Thanks in advance for any help.
If you really, really want to be systematic about tracking down what is draining your battery or keeping the phone awake then I would go back to nearly an out-of-the-box state. Uninstall all your apps (if you're really hardcore then do a factory reset). See how it handles overnight unplugged in that pristine state. Then install your essential stuff that you listed in your post - exchange, gmail, calendar and see how that goes during night two. Night by night add just a few apps and watch for changes. That is just about the only way to definitively track down what configuration or app or combination of apps is causing you problems.
Try BetterBatteryStats - http://forum.xda-developers.com/showthread.php?t=1179809
serj69 said:
Try BetterBatteryStats - http://forum.xda-developers.com/showthread.php?t=1179809
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Seconded. Once running, that app will show a detailed list of what apps are causing wakelocks, and from there you can try to eliminate the one that's misbehaving.
I had a same "problem" tryed of course BetterBatteryStats but all the wake at night was caused by cernel proceses kworker/u:0...4 i have no idea what cause it. But recentley i installed Imoseyon's kernel 10 exp1 and now i have no such wake up's.
Hop it will help You, of course if there no real app causing troubles.
I think something is draining my battery, but I haven't downloaded anything thay could be draining it? Also my GPS iconnis stuck to on, even after rebooting and doong a battery pull...
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Found the problem. Had an app that had air push, removed it and the GPS icon went away, which is what I think was killing the battery...
I found the battery to drain hugely with wifi set to be on at all times, I've set mine to switch wifi off when locked and I'm at 63% and over 8 hrs up time
Wifi has never been an issue for me.. I'm on wifi 99% of the time...
GPS, Auto Sync, and Bluetooth are huge killers for me. If you don't use them too often I recommend leaving them off. Also staying on HSPA+ instead of LTE when your phone is idle is better as well.
nope definately not normal. try maybe disabling some radios, like bluetooth and gps when not in use, and try disabling some notifications like gmail, facebook...unless u want them. they seem to be big battery drainers. or its prolly just a bug..try restarting
DarthDerron said:
GPS, Auto Sync, and Bluetooth are huge killers for me. If you don't use them too often I recommend leaving them off. Also staying on HSPA+ instead of LTE when your phone is idle is better as well.
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Can we set the data switching using Tasker?
metaldood said:
Can we set the data switching using Tasker?
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I could be wrong but I think the only switching data modes is by temporarily removing he SIM, dialling the code to put the phone in service mode, selecting the data mode you want, but then won't take effect until you reboot...
If that's the case, I would say no because of having to remove the SIM...
As stated in post 2, I found the problem.
Please read forum rules before posting
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FNM
How do you make the phone to go on hsdpa on idle instead of lte.... ?
So I feel like since I rooted my phone and installed nova my batter drains more...and I'm really new to all this stuff and I don't understand what any of this means:
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is this good or bad... It says it's awake 88% and only 12% deep sleep. If someone explains to me I'll be thank full
WendyB87 said:
So I feel like since I rooted my phone and installed nova my batter drains more...and I'm really new to all this stuff and I don't understand what any of this means:
View attachment 2871684View attachment 2871685View attachment 2871686 is this good or bad... It says it's awake 88% and only 12% deep sleep. If someone explains to me I'll be thank full
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That's not normal. Whatever wakelock is keeping it awake is not captured in your WLD screenshot. Track it down in better battery stats instead, using "partial wakelocks"
Thank you...that's what I thought... I don't know what happened...so I went into partial wakelocks and everything looks like low %... But kernel wakelocks there was a lot of high percentages...
First thing that sticks out is drop box. It shouldnt be running for that long. Did you turn on auto backup? This will cause huge drains. If turned on turn it off. Also check in service running for 21 minutes... Turn off your gps. This is Google now constantly running and locating you to try and provide you with what it thinks is useful cards (weather, traffic, food in your area) I only then on my gps when I'm gonna use navigation. Otherwise all apps with gps access will start to run and kill your battery. Also I suggest greenify. It'll help a lot with things like Facebook, Twitter, Google search, ect. Wakelocks. Also removing or freezing bloatware helps tremendously with battery drain. And last carrier iq. Something that always runs in the background. Google search it or read up in the battery threads here on XDA. They talk about it a lot and how to try and stop it. Also this thread
http://forum.xda-developers.com/showthread.php?t=2816353
although for the SGS5 it can be applied to our device as well
Sent from my LG-D850 using XDA Premium 4 mobile app
also your font looks distorted, i would return the phone! ?
Hey there, I wanted to show a new kind of battery drain that is happening to my 5X since two weeks every now and then (about 3 or 4 days).
(Nexus 5X with the latest PureNexus 6.0.1 on ElementalX kernel with HawkTail settings)
Apparently at some point, applications like Play Services, MoneyLover, Whatsapp, Tasker, App Google, Weather Timeline, Office Suite, Phone, Google Opnion Rewards, Zooper Widget start keeping alive the device with wakelocks called *alarm* or wake:[service for sync of the app] draining in an insane manner the battery (the first processor of the LITTLE chip is always at max speed).
The really odd thing is this Bluetooth graph in BetterBatteryStats:
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Apparently, even if it's off, the bluetooth keep switching on and off. But the thing is that in every wakelock app I cannot find anything anormal related to the bluetooth (of course, it's off) which led me to think that maybe the graph is measuring something else.
Someone could say that it's fault of some app or even of the Play Services, but I tested even with every Google sync service disabled and nothing changed: the drain continued.
Looks like something the cause is really something system-wide because it's causing A LOT of apps misbehaving in this peculiar way.
I tried using the Battey Historian Tool, but I didn't manage to extrapolate useful information. The misbehaviour seems to stop after a reboot and after it recharged completely. Even disabling wifi and data gave no effect.
Here some screenshots of stats:
In summary, I could really use an hand in diagnosing what the hell is happening here because I am not understanding anything and I saw my fair share of wakelock problems, but nothing like this one. I'd like to undestand something before trying a factory reset.
I've got all gestures and everything else I can think of off, I even disabled "Prevent accidental touches" yet it's still draining the battery fairly considerably
Any ideas?
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It's one of them sweet new features Samsung added, just enjoy it and stop whinging.
....m
If your phone is rooted, check your deep sleep time in a kernel manager like mtweaks or ex. If it doesn't go into deep sleep, there's probably a app preventing it. You can probably find it under the battery usage in your settings. If you can't find it try DS battery saver, if that resolves your issue, it's probably an app keeping your phone awake. It also could be the AoD thats keeping it awake, I only know about this problem in custom roms, and I don't encounter it on my phone on OneUI, but this could be an issue aswell.
Ugulp said:
Do you have an SD Card in your Galaxy?
When you have one, than take it out.
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Even if it fixed it, I use my sdcard every day for my media default save location but thanks
Bumo Gaming said:
If your phone is rooted, check your deep sleep time in a kernel manager like mtweaks or ex. If it doesn't go into deep sleep, there's probably a app preventing it. You can probably find it under the battery usage in your settings. If you can't find it try DS battery saver, if that resolves your issue, it's probably an app keeping your phone awake. It also could be the AoD thats keeping it awake, I only know about this problem in custom roms, and I don't encounter it on my phone on OneUI, but this could be an issue aswell.
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Not rooted unfortunately, shame they limited access to app usage, I mean even Android battery status has more info
Deep sleep seeems to work, battery drain in the morning is fine, this is through the day
Bit of an update for anyone wanting to see actual app stats, "Accubatttery" still works fine
https://play.google.com/store/apps/details?id=com.digibites.accubattery&hl=en_GB