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Old December 4th, 2012, 09:31 AM   #201 (permalink)
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Originally Posted by barney_rebel View Post
Ever since I updated to JB, the "Media" is using up to 40% of the battery. Any ideas? I have a feeling Google Music is the culprit.
While I do not have Jelly Bean yet (damn Verizon), from what I read it could be Google Now. That is supposed to be a huge drain.

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Old December 4th, 2012, 10:38 AM   #202 (permalink)
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While I do not have Jelly Bean yet (damn Verizon), from what I read it could be Google Now. That is supposed to be a huge drain.
I read that for a google nexus just now. Ironically, I spoke into GoogleNow "Why does battery suck so bad on Jelly Bean?" and that's what I got.

I uninstalled Play Music, Kies Air and going to disable Google Now next charge to see if it improves. Right now, the percentage of "Media" is down to 26%, even though I am listening to music with the stock player, and scrobling with last.fm.
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Old December 4th, 2012, 10:45 AM   #203 (permalink)
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Originally Posted by barney_rebel View Post
I read that for a google nexus just now. Ironically, I spoke into GoogleNow "Why does battery suck so bad on Jelly Bean?" and that's what I got.

I uninstalled Play Music, Kies Air and going to disable Google Now next charge to see if it improves. Right now, the percentage of "Media" is down to 26%, even though I am listening to music with the stock player, and scrobling with last.fm.
For what it's worth, I listen to music all day long while at work (average about 10 hours) using WinAmp and in doing so I can still get about 13 hours of battery life out of my s3.
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Old December 4th, 2012, 10:50 AM   #204 (permalink)
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For what it's worth, I listen to music all day long while at work (average about 10 hours) using WinAmp and in doing so I can still get about 13 hours of battery life out of my s3.
Sure, that was me with 4.0. Now with 4.1.1 I have this issue.

Listening so far with the stock player and the Media item is falling down below 23%. I really think Google Music was the culprit.
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Old December 4th, 2012, 04:15 PM   #205 (permalink)
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OK full charge, and GSam shows "Media" nowhere in sight. Either it's Kies Air or Play Music.
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Old December 5th, 2012, 12:26 AM   #206 (permalink)
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I have read about others having issues with media services eating battery life. I think it was something involving a few corrupted media files. That's all I know as it hasn't been an issue for me, but would be worth looking into. Might have been on Xda developers forum. Report back if you find out more. Better battery stats and system tuner are 2 apps that have been useful for sleuthing system power drains, especially what's keeping the cpu from sleeping.
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Old December 5th, 2012, 12:34 AM   #207 (permalink)
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Originally Posted by barney_rebel View Post
Sure, that was me with 4.0. Now with 4.1.1 I have this issue.

Listening so far with the stock player and the Media item is falling down below 23%. I really think Google Music was the culprit.
We're you using Google Music previously as your main player or was all of the power use just happening in the background?
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Old December 5th, 2012, 06:41 AM   #208 (permalink)
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We're you using Google Music previously as your main player or was all of the power use just happening in the background?
I used it as the main player, but for that charge I didn't use it a whole lot. Yesterday I used the stock player for a good couple hours, and powered off my phone at night. When I woke up, the two culprits came back when i powered on my phone this morning:

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Old December 5th, 2012, 07:08 AM   #209 (permalink)
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I have read about others having issues with media services eating battery life. I think it was something involving a few corrupted media files. That's all I know as it hasn't been an issue for me, but would be worth looking into. Might have been on Xda developers forum. Report back if you find out more. Better battery stats and system tuner are 2 apps that have been useful for sleuthing system power drains, especially what's keeping the cpu from sleeping.

I saw that thread on there too. My next move is to remove my SD card completely for one whole charge.
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Old December 6th, 2012, 08:46 AM   #210 (permalink)
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I posted this in another battery thread but thought it might be useful here also. Listed below is everything I did that seemed to help.

I am running Stock AT&T, Rooted with Titanium Backup

Chrome - Developer - Motion off

Screen AUTO set off-Turn way down

GPS - Off, all other radios on

Power Saving mode
All on except GPU

Gmail PUSH, Exchange check 1 time per hour

Unistalled Handcent and using stock Messaging app-Seems weird I know but I noticed higher battery drain when there was a pop up from Handcent

Turn off Haptic Feedback

Turn off auto updates and notifications on all apps
Facebook
Twitter
Google Reader

Titanium Backup Freeze
Airstash
Allshare stuff
AT&T message
AT&T Navigator
AVCRP services
Bluetooth test
Bubbles
ChatOn
ChocoEUkor
Flipboard
Google Reader
Helv Neue
Internet 4.0.4
Both Kies
Maps SErviceSamsung
Media Hub
NewsDaemon
SMemo-Both
S Suggest
S VOice
Samsung account, backup, Cloud, Push
SNS
Talkback
WeatherDaemon
WEathermain
Yahoo Finance and News
YPmobile

The only apps that I have running in the apps manager are:

Settings

Visual Voicemail

Adblock Plus

HelloGuest Wifi

Facebook

Dropbox

HD Widgets

Viber

Factory Mode

AT&T Software Update

Google services

All push-1 email, contact, calendar account

Exchange services

1 time per hour-Email only

Maps

Bluetooth Share

Email

Secphone

AT&T Hot spots

Synchronize

Light Flow Lite

Swype Beta

I am averaging 3% per hour with normal email, texts and calls




Hope this helps-
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Old December 6th, 2012, 09:30 AM   #211 (permalink)
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So far, phone has been acting the way it was with no SD card inserted. Windows did find errors on the card, so that may have been the problem.

Next I am going to format the card and put minimal MP3 files on there.
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Old December 6th, 2012, 02:13 PM   #212 (permalink)
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So no SD card today, and my battery is amazing. No music playing too. Looking at the card on my PC, I got tons of errors. I think this card is toast. That would drain your battery.

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Old December 10th, 2012, 04:15 PM   #213 (permalink)
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It was said that 3g/4g us a drain on the battery. How about if I browse while on 1x? Would that be a significant drain?

I don't mind browsing on 1x as the pages load about as fast as when I'm on 3g or 4g, believe it or not. I was thinking about doing that and saving 4g for YouTube, etc. Thoughts?
There is no way you are getting the same speed on 1x as in 4g
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Old December 11th, 2012, 08:10 AM   #214 (permalink)
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Help!!

Afternoon people,

I currently have an S3 after getting rid of my iphone 4s. Absolutly loving the phone until a day or so ago...

For some reason the battery is draining very very quickly, it has been on charge all night, i removed the phone from the charger at about 7.45 this morning and this battery is now at 5% or something ridiculous. I did get some strange messages about my SD card trying to download a strange image but unsuccessful yesterday so i have now re-formatted the card and also removed it but the battery is still being drained heavilly.


Please help me!
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Old December 11th, 2012, 08:27 AM   #215 (permalink)
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Please find an attached picture/screenshot of my phone (sorry should have attached it to the above post)
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Old December 12th, 2012, 02:23 PM   #216 (permalink)
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New Android user..Two Weeks

AT &T GS3 Stock ROM
4.1.1 (Via Kies)
Rooted 12/11/12 (yesterday)

I installed Juice Defender (free version) last night, set it to the "Balanced" setting to get a feel for the app.

I'm thinking with moderate use today 40% for Android System seems high.
Prior to the Root and Juice Defender install, My screen time was always the highest percentage of battery use.

Any thoughts or is this normal ?



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Old December 15th, 2012, 03:36 AM   #217 (permalink)
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We're you using Google Music previously as your main player or was all of the power use just happening in the background?

For info, I don't listen music on my GS3 and the media player is here after each recharge!
I have to force it to stop to triple my battery time!
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Old December 17th, 2012, 03:04 PM   #218 (permalink)
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Battery life is less since the update to JB on the VZW version. I turned off Google now and started fresh again but same result. It would be okay if the radio was better in weak signal areas, but same issue with battery drain there too.
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Old December 17th, 2012, 03:07 PM   #219 (permalink)
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There is no way you are getting the same speed on 1x as in 4g

On the VZW version, even weak 3g is slow to the point of forget it. 1x usually barely works and the battery drain is awful.

I agree there is no way, if on VZW.
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Old December 20th, 2012, 08:40 AM   #220 (permalink)
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Rooted my phone, froze a bunch of apps I don't, or rarely use. This is why I miss a rooted a phone:

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Old December 23rd, 2012, 12:29 PM   #221 (permalink)
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What r u doing to get that? I'm going dead by noon. It was 30% in the evening but I've donessomething that's messing it up.
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Old December 23rd, 2012, 02:31 PM   #222 (permalink)
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What r u doing to get that? I'm going dead by noon. It was 30% in the evening but I've donessomething that's messing it up.

Don't be impressed w/most screenshots posted about "miraculous" battery life.

The abovementioned doesn't even have data or WI-FI turned on.

It's kinda like having a "FERRARI",only upon further inspection that you find it's a kit car based on a VW BEETLE chassis/drivetrain.

Nothing to look at here people,............
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Old December 23rd, 2012, 07:19 PM   #223 (permalink)
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Originally Posted by KOLIO View Post
Don't be impressed w/most screenshots posted about "miraculous" battery life.

The abovementioned doesn't even have data or WI-FI turned on.

It's kinda like having a "FERRARI",only upon further inspection that you find it's a kit car based on a VW BEETLE chassis/drivetrain.

Nothing to look at here people,............
And just because wifi isn't on right at that second during the screen shot, doesn't mean that wifi was not on the entire duration It was asleep and about to connect, as it was connected probably most of the duration.
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Old December 23rd, 2012, 07:50 PM   #224 (permalink)
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And just because wifi isn't on right at that second during the screen shot, doesn't mean that wifi was not on the entire duration It was asleep and about to connect, as it was connected probably most of the duration.
Yeah, what a coincidence

Why don't ya post a shot of BIGFOOT while you're at it next time...... & while you're at it, take a 2nd look at the thread title before posting....
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Old December 23rd, 2012, 08:23 PM   #225 (permalink)
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Originally Posted by KOLIO View Post
Don't be impressed w/most screenshots posted about "miraculous" battery life.

The abovementioned doesn't even have data or WI-FI turned on.

It's kinda like having a "FERRARI",only upon further inspection that you find it's a kit car based on a VW BEETLE chassis/drivetrain.

Nothing to look at here people,............
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Originally Posted by KOLIO View Post
Yeah, what a coincidence

Why don't ya post a shot of BIGFOOT while you're at it next time...... & while you're at it, take a 2nd look at the thread title before posting....
Here you go, bro:



Pretty cool shit eh ?
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Old December 24th, 2012, 11:18 AM   #226 (permalink)
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Rooted my phone, froze a bunch of apps I rarely use
Wow I could only dream of that battery life!
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Old December 29th, 2012, 01:30 AM   #227 (permalink)
 
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Also having a problem of my battery life span... quite so short any suggestion on how to make my GS3 have a long battery life.
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Old January 12th, 2013, 11:14 AM   #228 (permalink)
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Originally Posted by Easilyamused View Post
When browsing these forums, you're bound to run across that thread where a frustrated user is yelling, "I hate my S3 the battery sucks!". It can't be avoided; there is always one similar on the first page of the forum.

You can't help but get sucked in, either because you feel sorry for the poster and want to help, or you're simply curious as to what it could be now. There are always some offering help (sometimes useful; most times not), some sharing that their battery is "just fine" while not offering anything useful, and some just making some statement to the effect that the original poster is an idiot... You know. You've read that thread. You may have even started that thread . Unfortunately, much of what you read in that thread is misinformation, so, before the next person starts yet another thread on that matter, I'd like to offer some truths about your S3 and its battery.

1. You have a bleeding edge, full featured 2012 Smartphone, with a huge, beautiful screen. It's gonna suck juice. 3G/4G/LTE data running in the background is the other killer of your battery life. Those 2 are the worst offenders, but that's what owning a smartphone is all about. It isn't all bad however, if you're not playing games or posting to Facebook 24/7, it really should last you the day without having to recharge, provided you go through and make sure you apps are set up properly.

2. Will turning off Wi-Fi, GPS, and Bluetooth significantly improve my battery life? No. In fact, it may shorten it. When your W-Fi is connected, the 3G/4G/LTE radio is basically in "sleep" mode. It's on, but it doesn't actually use any resources unless called up to do so. Since your S3 is getting it's data from Wi-Fi (which uses significantly less power than your cell radio), the only time your cell radio will use power is if it receives an SMS or other carrier related data that puts it to use.

Wi-Fi, GPS and Bluetooth when they are turned on by themselves don’t drain your battery. What drains your battery are the apps running in the background using whatever connectivity you have turned on. So instead of shutting down features your phone uses, check your apps. Only use those apps that you really need. If you only need data when you open your app, then turn off background syncing, or if you need it, set the time limits to hours, not minutes.

Here's a good example. My phone was connected to Wi-Fi for a couple of minutes. The rest of the time, it was out of range of it's normal AP's, while in range of other AP's it does not normally connect to. Bluetooth was on, however there were no connections.


As you can see, the Wi-Fi and bluetooth used a combined 0.6% of the 61% battery power used over a period of almost 10 hours.

3. Will installing task managers and task killers boost my battery life? Not really. Android (and yes, even iOS) is "smart" enough to handle task management on their own. And if there is that rare occasion you might have a rogue app, there is always the built in task managers like the one on Android.

4. How about "Conditioning" my battery? Won't that increase my battery capacity? Battery memory does not exist in today's Li-Ion batteries. You may let it drain down all the way and recharge to 100% so the OS will "learn" your batteries actual capacity, but in general discharging to near 0% repeatedly will lower the life of your battery (which does wear out over the batteries lifetime).

So What Can You Really Do To Make Your Battery Last Longer?

If your battery requires recharging several times a day then it's either an app that is causing that, or efective hardware. Get an app like GSam Battery Monitor (free) or BetterBatteryStats (paid) to find that rogue app, try replacing the battery, or even the handset if nothing else works (as an example, you could have a bad radio that stays on when it shouldn't).

Gsam Battery Monitor Download

BetterBatterStats Download


Manage the intervals certain apps have to update information (email, social networking, weather). These apps will wake the phone from sleep or stanby states to update. Do you really need to update Facebook every 15 minutes? Set it to every several hours, or even to "Manual".

Turn off vibration. It uses far more juice than ringtones.

If you use your phone indoors a lot, you can set your manual brightness to 20% or so which will give you a moderate boost, and just move the slider up as needed when outside. Removing "live" wallpapers will only save you around 2% or so of your total battery usage, so use at your discretion. If you found one you really like and it's cool to show off, then do so. It's not killing your battery

Turn off unnecessary notifications. It seems as though almost every app checks the Internet in search of updates, news, messages, etc. When it finds something, the app may chime, light up your screen and display a message, make your LED blink, or all of the above. All of this consumes energy.

Most newer Android phones such as the S3 include a Power Saver mode that helps manage the phone's various power-sapping features. Power Saver mode automatically prevents your apps from updating in the background, dims your screen, reduces the screen timeout setting, disables on-screen animations, and turns off vibration. By default, this mode usually turns on when your battery level drops to 20 percent, but you can set it to kick in at 30 percent instead.The sooner the phone switches to Power Saver mode, the longer its battery will last.

Anyway, i'll reiterate.. if you are having battery issues, check your apps! If not apps, try swapping batteries. Apps and defective batteries will account for almost all of the battery drain issues. Hope that helps if you are having problems!

Also, as a last resort, do a factory reset your phone, then check your battery usage. If it's fine, then slowly add apps while continuing to track your battery usage. When you add an app and then the next day notice a significant drain on you battery, you found the culprit!


Edit: I should clarify point 2 a bit further.. in addition to SURoot's comments below, since 3G/4G/LTE is one of the significant drains on the battery, it IS useful to use Airplane Mode (you can quickly access it from one of the buttons in the S3 Notification Bar) when in areas of no coverage, as this prevents the radio from constantly trying to seek a signal where there is none, which will have an adverse affect on the battery.

Keep in mind tho, if you're in a normal coverage area, turning off the data will have negligible effect, however if you're in a weak or non-coverage area, it will prevent excessive drain due to radios constantly trying to find/connect to a signal.

References & Useful Links:
GSam User's Guide
How multitasking really works on Android and iOS | ExtremeTech
Why Your Smartphone Battery Sucks | PCWorld
i had galaxy s3 for two months with ICS firmware. and i loved it. now i updated to jelly bean and with no additional apps. the same settings, battery is draining at twice rate.
do u know anything about it
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Old January 12th, 2013, 12:40 PM   #229 (permalink)
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Check the GOOGLE NOW settings,this is something that wasn't on ICS.
If adjustments to GOOGLE NOW don't make much of a difference,then the two things to do to isolate your battery drain would be to perform a factory reset & one by one add your applications back,until you find a culprit,or boot into safe mode & open up your apps one at a time to find the cause.

If you choose to perform a factory reset,this in of itself may solve the problem w/o any further action.
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Old January 12th, 2013, 04:14 PM   #230 (permalink)
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i will try that probably in couple of days.
does anyone else having this issue?
i also liked the MOBILE DATA on/off option which was available on the scroll down notification bar.
is there anyway we can go back to ICS?
thanks
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Old March 19th, 2013, 03:22 PM   #231 (permalink)
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Just bumping this awesome thread, because I was searching for information battery life issues and related apps like Juice Defender, and this has helped so much.

This thread should really be stickied.
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Old March 19th, 2013, 08:48 PM   #232 (permalink)
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Default Re: The Truth About Your Battery

Theres actualy a link to this in the sticky "excuse me........."
Youre right man, its a really valuable thread
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Old April 30th, 2013, 07:07 PM   #233 (permalink)
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Okay, I may have to wait another discharge cycle, and test overnight, but I wanted to see if anything stood out to anyone here. I have an ATT S3, unrooted, using ADW Launcher. Until this weekend, I was getting through a full day without having to charge at all, and a couple of months ago, I was going to bed with 40% battery left after normal use. Today, my phone died completely at around 3:35PM after coming off the charger at 8am. I was at work, so I used it for a few texts, a few email checks, and a few rejected calls, and checking my clock a few times an hour. No surfing. No streaming of any kind.

Here are my screen shots (I'm plugged in, so my list isn't current, but it always shows "app usage" at the main process using battery).

Edit: woops! I meant to attach signal vs. signal, not temp











I thought that list was crazy long, but none of it means anything to me.
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Old April 30th, 2013, 07:42 PM   #234 (permalink)
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I think the kernal seems fine mate tbh. On GSam, what apps have been using most energy and what are your wakelocks like?
And can you post a pic of the second battery graph in the stock battery monitor?
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Old April 30th, 2013, 08:11 PM   #235 (permalink)
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Quote:
Originally Posted by funkylogik View Post
I think the kernal seems fine mate tbh. On GSam, what apps have been using most energy and what are your wakelocks like?
And can you post a pic of the second battery graph in the stock battery monitor?
I'll have to look again in a little bit. I just took it off the charger.

Second graph? This is the only one I know about.


Wakelocks



If I do "num times waking device" I get Android system with 90 wakelocks, with this as the breakdown:


I seem to remember "maps" at the top of the list for battery usage, now that I think about that.
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Old April 30th, 2013, 08:24 PM   #236 (permalink)
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Just by looking at that graph, the phone is awake a LOT while the screen is off so somethings using juice when it shouldnt.
I cant see anything from the GSam pics but hopefuly someone who knows more about this stuff can tell you what else to show us to work out whats causing it. I know Maps is known to use GPS and data in the background if its set up wrong so it maybe is that
Do you remember if there was high GPS use on the main gsam screen?
EDIT i just looked at that graph again and when the big drop in battery happens, the amount of wakelocks is around the same as before it so i take back what i just said lol. Hmm
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Old April 30th, 2013, 08:30 PM   #237 (permalink)
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Quote:
Originally Posted by funkylogik View Post
Just by looking at that graph, the phone is awake a LOT while the screen is off so somethings using juice when it shouldnt.
I cant see anything from the GSam pics but hopefuly someone who knows more about this stuff can tell you what else to show us to work out whats causing it. I know Maps is known to use GPS and data in the background if its set up wrong so it maybe is that
Do you remember if there was high GPS use on the main gsam screen?
Pretty sure I turned GPS off completely sometime yesterday or Sunday, after I got in from out of town. I don't generally turn on GPS unless I need it for something specific.

Thanks a lot for your help! I played with Maps settings but didn't really know what I was looking at. I've always used Maps, but maybe an update changed something.
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Old April 30th, 2013, 08:32 PM   #238 (permalink)
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Yeah same.
Sorry i just edited my last post after lookin at the graph again mate
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Old May 1st, 2013, 02:07 AM   #239 (permalink)
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Default General ----The Truth About Your Battery

According to GSam, something called SYSTEM mediaserver is always up over 47%- seen it as high as 72%. What is mediaserver, where is it on the phone and what can I do about it, please??
Reading the above comments, I have turned ON power saving, turned off facebook notifications.
Just as a note, when I did a factory reset recently, battery life was brilliant- took ages to drop down compared to what it was, UNTIL I put my SD card back in(because it was acting up, I removed it again).Now battery life is as it was before reset, so will reset it again shortly.
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Old May 1st, 2013, 02:43 AM   #240 (permalink)
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The mediaserver is a service, called by apps - like music players or web browsers.

If the mediaserver seems to be running away, it's an app trying to deliver media that's causing it.
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Old May 1st, 2013, 08:46 AM   #241 (permalink)
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Yeah ive had a problem with mediaserver befor and i cant remember what app it was that caused it now but it wasnt an obvious one.
whats best way to narrow it down Earlymon?
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Old May 1st, 2013, 09:54 AM   #242 (permalink)
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The best way is the most painful and few have the time or inclination to chase it - the infamous factory data reset.

That erases your apps and data sure, but it also clears out the operating system caches.

Run the phone a bit naked, just with your gmail account set up and contacts added in to ensure that the device isn't babbling to the mediaserver on its own. It's rare, but it's possible to get bloatware misbehaving so check that.

Then, add Facebook, g+ and Twitter if you use it, check again.

Then your productivity and utility apps, check again.

Then the goodies, add as few at a time as possible - browsers, media players and other enhancements - note and camera apps.

You can back up a non-rooted phone fairly well with a combination of Carbon backup and SMS Backup+.

If that's too painful or inconvenient, work backwards.

Start by removing widgets from your homescreens then back down through the list.

And think broadly about media when hunting - news, photos, videos, music and live wallpaper are all media. Even contact photos or notes apps that can get to the mic or camera - all touch media.

Remember to back up your internal storage / sd card and to verify that your contacts are safe either on the web or with a local backup, whichever applies to you.
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Old May 1st, 2013, 10:32 AM   #243 (permalink)
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Excelent info. I think most phones benefit from a good old reset once in a while. I do get that its a major PITA though
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Old May 1st, 2013, 10:45 AM   #244 (permalink)
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Yep. Android works off of caches, just like your browser. And just like when it gets tangled and runs a lot smoother when you clear that out, so does Android.

Unfortunately for us, the mega-geniuses at Google and the phone makers won't let you get to the cache-clearing functions (that lose no data and do no harm at all) unless you're rooted and install a recovery that lets you get to that function.

For the rest of us, the only way is the factory data reset.

On the bright side - this way forces you into a good backup plan.

Phones aren't permanent, and we've all been there - oh no, I dropped it, I lost it, I gave it a bath, someone copped it, it died, etc etc - so a backup just makes sense.

With practice, you can get in and out of a factory data reset pretty quickly.

Otherwise - investigate to see if root is for you.
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Old May 1st, 2013, 10:58 AM   #245 (permalink)
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Dont US phones let you clear cache partition without root mate?
i cleared it in my mums unrooted Galaxy Ace in stock recovery last week and it did it a world of good.
Bit off topic but speaking of backups... will a nandroid backup work on another phone? (Same model obviously)
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Old May 1st, 2013, 11:11 AM   #246 (permalink)
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Quote:
Originally Posted by funkylogik View Post
Dont US phones let you clear cache partition without root mate?
i cleared it in my mums unrooted Galaxy Ace in stock recovery last week and it did it a world of good.
Bit off topic but speaking of backups... will a nandroid backup work on another phone? (Same model obviously)
Android = embedded Linux OS + Dalvik Virtual Machine + apps that (run in the Dalvik) and (call on Linux services)

There are two cache areas we care about - /cache and the Dalvik cache, often located at /data/dalvik-cache.

Many phones will let you get to a low level and "clear cache" - that's usually the /cache partition.

Clearing one without the other is like washing your feet and putting on dirty socks - ok to a point but it's just wrong because you're rolling the dice as to whether you'll hit the cache where the problems might be. In the case of your mum's phone, you had a 50/50 chance of it sorting out and you scored - bonus on that!

A nandroid backup (made by rooters) is transportable so long as it's to exactly the same model, same carrier and contains only the /boot, /system and /data partitions (the default nandroid). Four years ago, people used to share nandroids here rather the more sophisticated (and proper) rom flashes that are so popular today.

~~~~~~~~~

Because tangled caches can lead to misbehaving apps and because misbehaving apps can suck power, this is really all on topic.
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Old May 1st, 2013, 11:29 AM   #247 (permalink)
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Nice one man well explained
so whats the real difference between the two caches? Ive noticed when i clear Dalvik the phone takes ages to boot while "optimising" apps?
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Old May 1st, 2013, 11:44 AM   #248 (permalink)
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Quote:
Originally Posted by funkylogik View Post
Nice one man well explained
so whats the real difference between the two caches? Ive noticed when i clear Dalvik the phone takes ages to boot while "optimising" apps?
Here's the actual definition from Glossary | DD Systems & Dbase Developments -

Quote:
Dalvik-cache
When your phone starts up, the Dalvik Virtual Machine looks at all your apps and frameworks, and creates a tree of dependencies which is stored in the dalvik-cache. This allows applications to run in an optimised state (and explains why your phone takes longer to boot up after applying a new rom, itís rebuilding the cache.)
Caches are important. When an app is not really needed, it's put to sleep. When it's still not needed and memory is, Android automatically saves its state and removes it from memory - effectively, Android just parks apps not immediately needed.

Many of the so-called battery-wonder-task-killers convince people that their phone is running all sorts of stuff when it's really just reading the cached state - and then "killing" the app simply does nothing more than screw with Android's memory management, causing it to work harder and waste battery life.

This is why automated task killers are bad - they're like a drug. The more you use one, the more you have to use one.
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Old May 1st, 2013, 04:50 PM   #249 (permalink)
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So, charged phone yesterday and went to bed around 10pm with 100% battery and left it off the charger. I woke up this morning and at around 8am, still had 92% battery left. It's 4:45PM, I've not charged since last night, and I still have 67% battery left! The only real thing that I think I did was change some settings in Google Maps. I think it kept waking the phone to try to locate.

So much prettier than yesterday!

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Old May 1st, 2013, 05:15 PM   #250 (permalink)
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Nice one
Something is still waking the phone regularly, probably something like facebook syncing but yeah thats much better. Glad you found the problem so easily
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