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OK. My wife phone is really crazy draining battery like it's crack. Soo would like to know anyone using this. What's your set up. Should I do load on bootup etc? Scaling set to? When screen off so forth. She's on SC 2.9.2 with jt kernel lastest one. Thx for the help guys.
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Interactive. Ondemand. Conservative. Performance. Pretty much self explanatory right? Does anyone have a nice guide for fascinate? Maybe. I set up 400mhz on sleep and.it would power on after putting on lock.
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I'm not having battery issues and I'm running just the 2.2 leak with JT's 327-2 kernel. Just set CPU to conservative and maybe drop it down to 800 mhz. I spent the majority of my day today talking on my phone and playing cordy and I was at 50%.
You can give this a shot it could just be giving weird info on the battery level. while the phone is on, charge the battery to 100% full. Turn off phone plug it in and charge to 100% again. Boot phone into CWR and clear the battery stats. Start phone like normal.
Hope that helps.
Install spare parts and use the Battery History feature and check for a wakelock. Thats the prime reason why a phone will drain like crazy.
To check for a wake lock Spare Parts> Battery History >And look to see how long it's running. If it's a really high % and the screen has been off you have a wake lock.
To find out what's causing the wakelock click "other usage" and choose "partial wake usage".
If it's Android system it's probably the GPS doing it. So turn off the GPS unless you're using it.
Cool ill check those out.
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So setcpu useless then? Or does it even make a little difference with the battery? On sleep at least?
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I find the phone to do a good job of managing itself but I also haven't played with setcpu alot. A sleep profile probably wouldn't hurt things... but someone else is probably better suited to answering your question.
The only thing I'm using it for now is for a temperature profile to act as a failsafe if the phone/battery start gettting too hot.
bobloblaw1 said:
I find the phone to do a good job of managing itself but I also haven't played with setcpu alot. A sleep profile probably wouldn't hurt things... but someone else is probably better suited to answering your question.
The only thing I'm using it for now is for a temperature profile to act as a failsafe if the phone/battery start gettting too hot.
Click to expand...
Click to collapse
Thx for the info. I'm running into screen freeze with setting up sleep profile... Grrrrr.
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dadsterflip said:
Thx for the info. I'm running into screen freeze with setting up sleep profile... Grrrrr.
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Click to collapse
Just speed up the minimum mhz for the profile. I believe 400 would be okay, try it.
Dread This Day said:
Just speed up the minimum mhz for the profile. I believe 400 would be okay, try it.
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Click to collapse
No luck..... Freezes
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Freezes only on conservative. But ondemand works great
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dadsterflip said:
So setcpu useless then? Or does it even make a little difference with the battery? On sleep at least?
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Click to collapse
SetCPU may help with battery life however you are better off with JuiceDefender in my opinion. This will automatically turn off items not needed when phone screen is off.
If battery draining is your real problem, this thread may also help:
http://forum.xda-developers.com/showthread.php?t=987529
Set CPU isn't really fully compatible with the fascinate. The author says use a certain profile but it doesn't help much. When i used set CPU, my phone would go to sleep endlessly and I wasn't able to turn the screen on. This is because there was a bug causing it to go down to 19.2Mhz even though I set it at around 400. I had to pull the battery to solve this.
I have found that running Setcpu freezes mine up anytime it goes into sleep mode not matter what speed it is set at. The only way I was able to fix this was by removing the app, reflashing the kernel, and reinstalling it.
Have you tried to charge to 100% with the phone off, boot into recovery, and clear the battery stats? Run the battery to death before charging and you will have improved battery life.
Ill try to do all those advices guys. Thx for the info.
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SuperFan86 said:
Run the battery to death before charging and you will have improved battery life.
Click to expand...
Click to collapse
Do NOT run the battery to "death". This actually is bad for the battery. Every time you do this you will kill cells that will never come back giving you less life per charge of the battery.
Suicide Shift said:
Do NOT run the battery to "death". This actually is bad for the battery. Every time you do this you will kill cells that will never come back giving you less life per charge of the battery.
Click to expand...
Click to collapse
You are right.
I meant run it super low, it may even display 0. This allows for better calibration of the battery.
Zacisblack said:
Set CPU isn't really fully compatible with the fascinate. The author says use a certain profile but it doesn't help much. When i used set CPU, my phone would go to sleep endlessly and I wasn't able to turn the screen on. This is because there was a bug causing it to go down to 19.2Mhz even though I set it at around 400. I had to pull the battery to solve this.
Click to expand...
Click to collapse
The profiles definitely do not work on the SF. The app doesn't really get along well with any of the Galaxy S phones. I run mine at 800 max, 100 min and on conservative. It brings it down to around 100 mhz when sleeping, and back up to 400 or 800 when using it. Don't enable any profiles, as it will cause your phone to freeze when the screen goes off.
There are two things you can use SetCPU to change/edit that I have found won't cause problems. You can change the min/max clock speed the phone will run at and you can change the cpu governor. I had issues with Set on Boot enabled, though Profiles are the biggest issue. The info tab is also useful for looking at information about the kernel and system.
Can somebody help. My sgs3 battery seem to drain like a loose drain. I charge 100% at 12.30am and go to sleep but by 5am battery is completely drained and phone is dead off. This is not the same during the day. Are there processes running when the phone is Idle that brings about this massive drain. Please I need help asap.
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Do you leave many programs running, alot of frequent sync going on? Did you leave Bluetooth on or something that you don't need during night? Just guessing...
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Search battery drain on Google for this device....lots of results,b but it generally comes down to learning how to use your phone and it's features, and when and what stuff to turn off etc etc
I don't leave anything on. I ensure I disable prefetch on my YouTube, disable auto updated on dropbox, I don't use SNS, and off course screen time out after 10 sec.
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Ibroe said:
I don't leave anything on. I ensure I disable prefetch on my YouTube, disable auto updated on dropbox, I don't use SNS, and off course screen time out after 10 sec.
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Click to collapse
mine drop 1% per hr ... is that normal?
"multipdp" (): 12 m 26 s (746 s) Cntc/wc/ec)68/0/68 3.6%
how can i fix the multipdp problem?
Thankz for help^^
There is obviously a problem if it's dying in <5 hrs.
Did you recently connect to Kies because I was having probs with my SGS2 getting really hot and losing power as a result of Kies/a dodgy USB lead?
A factory reset solved it however ( remember to back up ) but sometimes just removing your battery for 90 seconds to reset the values works.
Good luck.
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The last thing I remember dong was hotspot and I made sure I switched off everything. From the posts above I tried the cell_standby fix and it still did not fix.
membe doing was hotspoSent from my GT-P5100 using xda premium
Ibroe said:
The last thing I remember dong was hotspot and I made sure I switched off everything. From the posts above I tried the cell_standby fix and it still did not fix.
membe doing was hotspoSent from my GT-P5100 using xda premium
Click to expand...
Click to collapse
Turn off Google backup, face awake, try that for starters
First of all, switch off your phone for a while to see if there is problem in battery or its the apps you are running. If you think it is a stupid step,
Then try using some software like JuiceDefender or something.
In app manager, kill apps that are useless.
Also turn off features like bluetooth, gps etc. if on.
Reduce phone's brightness, recommended to set it to "auto".
Turn off useless vibrations and LED notifications.
You should now see significant improvemance in battery life.
Hope this helps
I have taken all these steps gone ahead to remove live wall paper, auto sync disabled, brightness is set at auto. And its still the same. I don't want to tow the line of hard reset because am not sure that would solve the problem coupled with the time it would take to get my sgs3 to suite me
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I use juice defender which manages everything for me, an overnight schedule ensures the battery only drops by 1 or 2%
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okay so i thought i had a battery problem before i tried putting my phone aside (meaning no games, no internet browsing and no video streaming nothing, just using whatsapp and leaving facebook connected. I also have lots of apps and games installed over 15 or something)
If you decreasing screen time you will notice a HUGE difference (24hrs in my case), its basically down to usage, I have tried over 10 different roms and kernels as well as the v6 supercharger script, i dont ever notice the difference, EVER. unless of course i use a minimalistic rom with almost nothing to play around with, but if thats how u like it then go for that. Id say following all the fundamental steps will take you a long way
my final advice:
less screen time
when on the screen use the least brightness available
decrease stock brightness even more if you can
less app usage
if your not one to constantly play with your phone and customize stuff on it try installing a minimal rom like
|ROM|XXBLG8| IOIDroid Super Slim Edition | Buttery Smooth | V1.0.0 LIVE !! |
or
[ROM][4.0.4] Slim ICS (SGS3) - Clean, Simple & Fast (63MB)
i dont know if this is a placebo of not, but sometimes i notice improvements when i undervolt, underclock and limit to only dual core. believe it or not sometimes it has little or the adverse effect of saving battery
good luck man
And another question, which can be solved through the search function or Google -.-
http://forum.xda-developers.com/showthread.php?t=937080
So here is my experience. Have been using android for years, have had an hd2 so I know how to get good battery life results. For some reason I easily lost 15-20% overnight with just the gsm 2g radio on. No matter what I did it drained fast even though deep sleep was fine, all extras sync and etc were off. 3hrs screen on time in 14 hours and it was dead.
I kept waiting for an update to solve this and it never came even though I was force checking it.
I ended up factory resetting the phone and as soon as it booted up an ota update popped up. Since then I am having nearly 6hrs screen on time in 40hrs,which is amazing.
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I will try the juice defender route and hope that it solves my problem or else I will be forced to tow the hard reset route.
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Greetings, I have seen a similar problem back in our hox forums. I have come here in peace to help, though. Recently, someone suggested bump charging, it's like a natural way of making your battery recalibrate itself without wiping battery stats or stuff like that.
First off, charge the battery until it says 100% while the device is on.
Then remove the charger, turn off the power, and charge again.
Remove the charger again when it says full while the device is off.
Turn it on again, then when it's properly booted, charge again, but don't use the device until it says it's fully charged already.
Mind you, we're not sure if it's just a placebo or not. Some claims to have had better battery life after doing this for once a month. I haven't tried it yet, but I thought I could share it here too.
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wtfshouldidonow said:
Greetings, I have seen a similar problem back in our hox forums. I have come here in peace to help, though. Recently, someone suggested bump charging, it's like a natural way of making your battery recalibrate itself without wiping battery stats or stuff like that.
First off, charge the battery until it says 100% while the device is on.
Then remove the charger, turn off the power, and charge again.
Remove the charger again when it says full while the device is off.
Turn it on again, then when it's properly booted, charge again, but don't use the device until it says it's fully charged already.
Mind you, we're not sure if it's just a placebo or not. Some claims to have had better battery life after doing this for once a month. I haven't tried it yet, but I thought I could share it here too.
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Click to expand...
Click to collapse
I saw this method being used with good results (reportedly) on my SGS2 so it's definitely worth a bash if you can't be arsed to reset.
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Just to offer two cents from my experience with this phone.
I recently got a replacement for my s3.. the details of that are for another post, but this relates to battery:
when I first got the phone i started using it right away. I did not charge the battery until I got to the office and charged the phone while using it the first day.
when I got the second replacement phone I already had a second battery.
This battery was fully charged and immediately used that in the new phone. fully charged the samsung battery before I used it.
I noticed significantly better performance with the second phone. I think it was because of the way i treated the battery strait out of the box.
any one agree, or have a similar experience?
Ibroe said:
Can somebody help. My sgs3 battery seem to drain like a loose drain. I charge 100% at 12.30am and go to sleep but by 5am battery is completely drained and phone is dead off. This is not the same during the day. Are there processes running when the phone is Idle that brings about this massive drain. Please I need help asap.
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Click to expand...
Click to collapse
Do you have an Exchange account set up?
After the newest update i also notice that it has a high % drain even if i turn 3g off, gps and everything nothing unusual runs in the background that can explain high drain yet it does.. and i didnt notice that before the latest update and i havent installed any weird apps. I also have all my weather and news on manual update so i dont get what can drain the battery with internet off overnight.. its frustrating a bit.
Hi,
I've been flashing roms onto my phone for months now and what I've realised is that the battery life is always awful. I hardly ever get past 10 hours, with just 1 hour of screen on time as my battery drains in stand by. I've tried cm7, cm9, perfect galaxy, miui, stock and many more, but my battery life always seems to be the same. Currently I'm running cmiui (latest version) and still battery is draining very fast. I read about people having amazing battery life on a daily basis.
My current battery life drains by 1% every 2-3 minutes of screen on time and about 5% of drain when in deep sleep or stand by an hour, sometimes even more. I use betterbatterystats, cpuspy and gsapp to monitor my battery but nothing suspicious occurs. Usually my 'awake' time tends to be 50% higher than my screen on time according to betterbatterystats, however all the wake locks tend to be kernel related. Changing kernel doesn't change this either. I've literally tried everything, installing several kernels, modems and calibrating my battery every time I flash a new rom.
Also what I realised is that my phone frequently overheats near the camera and even sometimes reaches 50°c.
I would appreciate it if anyone could help me on this topic. It is really frustrating that I cannot get through a day of even light use of my phone, which makes it almost unusable as I'm always concerned about my battery. I've also tried several batteries, so the problem doesn't lie with the battery.
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MikeIliescu said:
Hi,
I've been flashing roms onto my phone for months now and what I've realised is that the battery life is always awful. I hardly ever get past 10 hours, with just 1 hour of screen on time as my battery drains in stand by. I've tried cm7, cm9, perfect galaxy, miui, stock and many more, but my battery life always seems to be the same. Currently I'm running cmiui (latest version) and still battery is draining very fast. I read about people having amazing battery life on a daily basis.
My current battery life drains by 1% every 2-3 minutes of screen on time and about 5% of drain when in deep sleep or stand by an hour, sometimes even more. I use betterbatterystats, cpuspy and gsapp to monitor my battery but nothing suspicious occurs. Usually my 'awake' time tends to be 50% higher than my screen on time according to betterbatterystats, however all the wake locks tend to be kernel related. Changing kernel doesn't change this either. I've literally tried everything, installing several kernels, modems and calibrating my battery every time I flash a new rom.
Also what I realised is that my phone frequently overheats near the camera and even sometimes reaches 50°c.
I would appreciate it if anyone could help me on this topic. It is really frustrating that I cannot get through a day of even light use of my phone, which makes it almost unusable as I'm always concerned about my battery. I've also tried several batteries, so the problem doesn't lie with the battery.
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Click to collapse
Everytime you install a new Rom/Kernel you have to wait for it to settle down (About 2 Charging cycles). If I flash a new Rom to my device Batterydrain is very high too at the beginning. What you can do is install a Rom and a kernel which supports undervolting and underclocking.
I use Resurrection Remix ICS 2.6.1 with the Siyah 3.5.2 Kernel with this Voltage/Clock settings (LESS AGGRESSIVE UV VALUES with -50mv and not -75mv undervolting):
http://forum.xda-developers.com/showpost.php?p=26755476&postcount=850
With this settings I get 16 - 18 hours easily and with about 2 1/2 -3 1/2 hours of screentime and also about over 4 hours of listening music and doing other stuff of course.
Everytime you undervolt/underclock make a Nandroid backup!
Thanks, I've heard about the battery charging cycle before, I'm new to cmiui, flashed it yesterday but I've had cm9 on for about two months and the battery life was horrendous. I will try the undervolting and see how that goes
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Strange, I am on stock and can make almost whole day with 3-4h screen time. Sounds like some issue either with battery or with the phone.
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get a 2000 mha battery over ebay
I have been used 2000mah battery, miui 2.8.3 + siyah 4.0.1 kernel, no serious battery life issue :good:
I have a 1800mah battery, its actually not that much better than the stock battery, but doesn't the 2000mah add extra thickness?
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Yes it does.
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MikeIliescu said:
I have a 1800mah battery, its actually not that much better than the stock battery, but doesn't the 2000mah add extra thickness?
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Click to expand...
Click to collapse
Yes but it`s no thicker than your speaker part of the phone.
I'll have a look at it, I've re calibrated my battery this morning and ismt half bad so far. Its 9 o clock now and sill have 38% left with about 1.5h of screen on time, phones been unplugged for about 10 hours. I've used the undervolt setting as suggested but still loose about 4% of battery in stand by each hour. On comparison my mums iPhone 3gs looses about 1% every 3 hours. Surely the android battery isn't that much worse
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If it occurs with every rom you have could it be app related, wiggets or syncing too frequently?
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That's what I thought but I've analysed my apps with betterbatterystats and gsapp, nothing suspicious came up and wakelocks are always kernel related. I've tried several kernels as well
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MikeIliescu said:
That's what I thought but I've analysed my apps with betterbatterystats and gsapp, nothing suspicious came up and wakelocks are always kernel related. I've tried several kernels as well
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Click to collapse
Get cpu spy from the play store to see if your device is deep sleeping. Also, you can try 1900mah anker battery. I got two and a charger off eBay for $25 can. Definitely a good deal
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Mysterious indeed, all I can suggest is what I would try which is to give a custom rom call slim rom a go after full wipes and format system. Its a stripped down rom and always gives good battery life as it's so lean. Hope you find a fix soon all the best.
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maybe your battery is bad i bought a great 2500mah battery on ebay http://www.ebay.com/itm/2500mAh-Ext...ccessories&hash=item4ab6494de0#ht_2481wt_1163
that combined with the rom OLLO MONSTER gives me awesome battery life
I might have to invest in a new battery. As I said before I've upgraded to a 1800mah battery and using that but the difference is minimal. Also I have CPU spy and it goes into deep sleep quite a bit, awake time however according to betterbatteystats tends to be about 30-40% higher than screen on time. And i'll try the suggested rom after I've given this one a few more days on the undervolting
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MikeIliescu said:
I might have to invest in a new battery. As I said before I've upgraded to a 1800mah battery and using that but the difference is minimal. Also I have CPU spy and it goes into deep sleep quite a bit, awake time however according to betterbatteystats tends to be about 30-40% higher than screen on time. And i'll try the suggested rom after I've given this one a few more days on the undervolting
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Click to collapse
For BBS, anything over 1% is something that needs to be fixed. Keep in mind you need a good sample time (like over 5hrs)
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MikeIliescu said:
I might have to invest in a new battery. As I said before I've upgraded to a 1800mah battery and using that but the difference is minimal. Also I have CPU spy and it goes into deep sleep quite a bit, awake time however according to betterbatteystats tends to be about 30-40% higher than screen on time. And i'll try the suggested rom after I've given this one a few more days on the undervolting
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Click to collapse
Hmm looks normal, I would get the 2000 mah Samsung Original Battery because 10 hours and already on 38% battery is not so good in my opinion.
kilometers4 said:
For BBS, anything over 1% is something that needs to be fixed. Keep in mind you need a good sample time (like over 5hrs)
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Click to collapse
I've taken a few screenshots of bbs, somehow the kernel wake lock is completely empty which is odd
Also I only need the battery to last about 15h with 3-4h of screen on time to get me through the day!
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MikeIliescu said:
I've taken a few screenshots of bbs, somehow the kernel wake lock is completely empty which is odd
Also I only need the battery to last about 15h with 3-4h of screen on time to get me through the day!
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Click to collapse
Well that looks decent. Do you have key press sounds and lock screen sounds off? that could cause audioout_1 wakelocks
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Is there anyway to reduce the amount of battery the Android OS uses? It is currently using 61% of my battery, which is quite a bit much. On my previous phone, the Android OS would only use about 10%. Are there any solutions to fix this? On my other phone I shut off the "Back Up My Data" setting and it solved it, but on this phone, it doesn't help. Any help is much appreciated
Have you tried the fast dormancy disable app in the apps section?
I don't even know what that is Lol Is that pre-installed on the phone?
Look in themes and apps in these forums there's a thread. Install the app disable fast dormancy
Isn't there a way to naturally stop it? I mean, the Androis OS shouldn't be using that much battery. it must be something in the setting, right?
YourManAdrian said:
Isn't there a way to naturally stop it? I mean, the Androis OS shouldn't be using that much battery. it must be something in the setting, right?
Click to expand...
Click to collapse
It's a BUG.
This fixes it for most people.
Android OS has always been/will be high on this phone with ICS. It's really old news.
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gunnyman said:
Look in themes and apps in these forums there's a thread. Install the app disable fast dormancy
Click to expand...
Click to collapse
This worked well and lowered my OS from the 70% range to 40%-50% range. Still sucks to have it so high.
erwaso said:
This worked well and lowered my OS from the 70% range to 40%-50% range. Still sucks to have it so high.
Click to expand...
Click to collapse
my wife's is around 30% and her standby time is obnoxiously good. 48+ hrs between charges
There were some funky reporting bugs in ICS on the SGS2... they didn't really hurt battery life though, there. Are you seeing fairly decent life, or not? Can you, for instance, get 18 hours off charger with 3 hours combined screen on/calls? If so it's probably just reporting errors.
I was seeing high numbers like that on stock ICS on the LGOG, but was also getting zero deep sleep. I just went to JB to fix both that bug and fast dormancy problems... not sure if those 2 were related or not, but got them both gone.
Sent from my LG-E970 using Tapatalk 2
dandrumheller said:
There were some funky reporting bugs in ICS on the SGS2... they didn't really hurt battery life though, there. Are you seeing fairly decent life, or not? Can you, for instance, get 18 hours off charger with 3 hours combined screen on/calls? If so it's probably just reporting errors.
I was seeing high numbers like that on stock ICS on the LGOG, but was also getting zero deep sleep. I just went to JB to fix both that bug and fast dormancy problems... not sure if those 2 were related or not, but got them both gone.
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Click to expand...
Click to collapse
I'm not seeing bad battery life. The phone will go 20-30 hours on the battery. I just know that the OS isn't supposed to be that high on the battery usage, so I was just wondering if maybe I'm not getting the battery life I could be getting. Maybe it is just a reporting bug.
That is a well known reporting error with ICS. Android OS isn't really using that percentage of battery.
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Nastybutler said:
That is a well known reporting error with ICS. Android OS isn't really using that percentage of battery.
Sent from my Nexus 7 using Tapatalk HD
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Click to collapse
Well, that's good to know. Hopefully the Jelly Bean update will fix it. Whenever the update comes.
YourManAdrian said:
Well, that's good to know. Hopefully the Jelly Bean update will fix it. Whenever the update comes.
Click to expand...
Click to collapse
It did. It's just a display issue. It's really not that high.
nygfan760 said:
It did. It's just a display issue. It's really not that high.
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Click to collapse
Today I woke up and the battery was at 26% after unplugging it at around 11:30 pm. I usually wake up with around 93%. The Android OS had used up 91% of the battery for whatever reason -.- I finally installed that fast dormancy thing. Hopefully it helps.
When the phone has higher than normal OS %, it's because of wakelocks that is preventing your phone from going into Deep Sleep State (CPU). Install Better Battery Stats to see if what is keeping your phone away under Partial wakelocks and/or Kernel wakelocks and also what other alarms might be affecting your phone. You can also use the same app to see how much time your phone is at each CPU State.
Yeah. If your phone is draining by 70% over night that's a bigger problem than just Android OS
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When I was on stock 4.1, I was using around 15-20% overnight then I flashed CM stable 10, happily saw the overnight usage drop to 3-6%, then I flashed to CM 10.1 M and now losing 11-16% overnight. Running "deep sleep better battery pro" in slumber mode with little success. Have had issues with that but that's another story. Still in experimentation mode. Starting to use "best battery stats" in hopes of getting more info.
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if you install snowjb it already comes with fast dormancy fix. on that rom, android system doesnt use much battery at all. here's a pic to show what i mean.
I think what we are seeing is that kernel wakelocks -- which can be caused by apps -- get lumped in under Android OS.
For example, I was seeing about 9% sns_async_ev or something wakelocks that went away when I froze Smart Wifi Toggler. This made no sense to me but it turns out they were caused by the app accessing the barometer, and turning that feature off virtually made them go away. Overall this was just a small amount of time awake, but all of these add up in that category. It would have been nice to see that under the app itself but there's no way to differentiate that.
After doing a complete wipe install of mean bean, my battery is still draining about 2%/minute. Now, I realize there is more than likely some other issue, that installing mean bean uncovered or removed the block before.
Questions;
1) is it normal for the screen to be using 60% of the battery power?
2) Is there actually an app that controls the battery usage, and truly kills apps?
- I have tested several, with no noticeable difference in power usage.
Thanks for any advice, for a somewhat novice rooter.
yup
The 60 normal if screens been on a lot. The 2% deal sounds whacked. Have u gone into settings/apps/running to see whats running?
Fixed, I think
trsix said:
The 60 normal if screens been on a lot. The 2% deal sounds whacked. Have u gone into settings/apps/running to see whats running?
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I'm not sure what I changed, I limited the processes to only 4 running, that might have helped. The battery still drains faster than before when the screen is on, but not as it was before. I am giving "Easy Battery Saver" a try see if that tells me anything useful, it at least keeps the settings that are applied. With any luck it will keep working until I break it again, lol.
Greenify and juice defender
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Seems like you get bad signal
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I was having bad drain issues and read some post about location tracking with Google maps. I disabled that and my battery life on MB 3.09 is back to normal which is great.
Funny thing is this happened seemly out of no where but I think there was a recent update to maps. My location tracking has always been on and never seemed to affect battery life before. Go figure.
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