[Q&A] rooted phone battery question - Galaxy S III Q&A, (US Carriers)

i recently rooted my samsaung galaxy s3. us cellular.
i noticed that in where it displays what is using the battery i found the android system is using like
47% is this normal after rooting? i also installed rom toolbox lite. let me know what you think.
i charged the phone to 100 and its at 84% now and its been just over 13hrs now. also did the cell standby fix. let me know

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[Q] Battery drains over night on my LG p500

I have a LG optimus One P500 with 2.3.3 stock OS and i have high battery consumption . i check the battery status in the morning and it shows that cell standby and phone idle takes 45 - 50% after 1d and 6h .
Is this normal ? It happens every one or two days. So when i go to bed the device is charged but in the morning i have 75% of battery left.
excuse my english !
P.S. with only 3 or 4 apps installed ! that does not cosume battery .
Please help or advice!
Hmmm doesnt seem normal.I get just 1-2% battery drain overnight,but i have rooted my phone and installed franko gb kernel.U can read the guides and try installing this kernel.
P.S:I also had somehow high battery drain with stock kernal,but not as much as yours.
I had a similar situation once. I fixed it by copying all the files off the SD card, format the card (using the menu on the phone settings-storage-format) then copy the data back.
It appears a something was going wrong with the card.
Ice
thanks i will try this at first and see if the problem is solved . If not i dont know...
It drains battery on GB !(Lg Optimus One P500)
So after 13 hours my battery was at 19% on my Lg P500
I checked in Settings/applications/Battery use and guess what :
Cell stanby 31%
Phone idle 30%
voice calls 39% , and when i tapped the meter on top of the display to see the graffic i found out that the line assigned to "awake" it is uninterrupted.
And now after 1 hour after charging the battery use section : cell standby 50%
phone idle48% and display 4% ! AND all the lines in graffic are also uninterrupted.
ADVICE NEEDED !
dinuyoro said:
So after 13 hours my battery was at 19% on my Lg P500
I checked in Settings/applications/Battery use and guess what :
Cell stanby 31%
Phone idle 30%
voice calls 39% , and when i tapped the meter on top of the display to see the graffic i found out that the line assigned to "awake" it is uninterrupted.
And now after 1 hour after charging the battery use section : cell standby 50%
phone idle48% and display 4% ! AND all the lines in graffic are also uninterrupted.
ADVICE NEEDED !
Click to expand...
Click to collapse
If the Awake bar is uninterrupted, then some background apps are running continuosly in the background, even when the phone's screen is off. This should not happen unless you have turned ON data-sync and if you've applications which try to connect to internet every 10 mins like facebook, twitter. Check these. You can see what are all the applications running in the background in Settings -> Applications -> Running Services
Yeah...such applications do sync often and you have to make sure that they dont sync every 30 mins for example.
Having root and installed setcpu could makes such differences, for instance, you could make a custom Sleep profile, which undervolt your cpu frequencies when the display is off. Having this and your phone could get enough sleep while you were
Regards
Did you transfer songs or any other media recently? My stock phone had a bug wherein a new media transfer would trigger an unending SD Card scan which would suck battery like Ms. Jameson.
I solved it by deleting those files.
istoner said:
Did you transfer songs or any other media recently? My stock phone had a bug wherein a new media transfer would trigger an unending SD Card scan which would suck battery like Ms. Jameson.
I solved it by deleting those files.
Click to expand...
Click to collapse
How did you discover that this bug was active? Would it actually keep saying Scanning SD Card or something? Because I have had noticeably higher battery drain just yesterday after transferring all my old files back into a newly partitioned card + newly flashed ROM. Just using the ROM and card before moving the files gave me a maximum of 1 day and 5 hours... Today it went to 50% in 8 hours.
I did but by usb cable. After that i erased all data.
Today after 12 hours i have 76% left . It's very strange! Do you have an explanation? I wonder.
Thanks
istoner said:
Did you transfer songs or any other media recently? My stock phone had a bug wherein a new media transfer would trigger an unending SD Card scan which would suck battery like Ms. Jameson.
I solved it by deleting those files.
Click to expand...
Click to collapse
Sent from my LG-P500 using XDA App
Oh so that worked? Great.
I was testing a friends music player app when it happened to me. I told him that his album art rendering was very buggy, so we both ended up investigating and he found that the stock rom was performing continous scans. I didn't see icons or anything.
Sent from my LG-P500 using Tapatalk
How can you tell if your phone is continuously scanning the sd card?
We at caynogen mod 7 enjoy the sleep button about zero percent change in sleep mode ...its great .. well I was no help to you but I hope you fix your problem
KickAss City Mik_CM7 FK V18.BFS
Indeed it's drained battery terribly after upgrade stock rom to official version 2.3.3 (V20D in my country). I have the same problem as well. I found it 25% battery life gone after 4 hours from fully charged status before upgrading to version V20D. I did try playing or testing the GPS & data network 2G (GSM) around after done upgrade. Previously in V20G Android version 2.2.2, 1 full day drained battery for about 30% only.
I have tried GO Launcher EX app before on v2.2.2. I wonder if I should install this launcher app again. Will Launcher app drain more battery life or save power battery? Seeking any recommendation from xda experts here. Please advise.
Thank you.
drains no more
Now that you have 2.3.3 you must kill some apps . try in settings/apps/running and see what apps are active ,then you go to all apps and close apps that are running.
In my case google maps , facebook , yahoo mail and another 2 apps drained my battery . So i closed them and it's ok ! Now every time i use them i stop them after.
zhinigami said:
Indeed it's drained battery terribly after upgrade stock rom to official version 2.3.3 (V20D in my country). I have the same problem as well. I found it 25% battery life gone after 4 hours from fully charged status before upgrading to version V20D. I did try playing or testing the GPS & data network 2G (GSM) around after done upgrade. Previously in V20G Android version 2.2.2, 1 full day drained battery for about 30% only.
I have tried GO Launcher EX app before on v2.2.2. I wonder if I should install this launcher app again. Will Launcher app drain more battery life or save power battery? Seeking any recommendation from xda experts here. Please advise.
Thank you.
Click to expand...
Click to collapse
if you Maps installed then Uninstall it.
it starts up any time it wants and takes a lot of battery.
Hello.
First I would like to thank istoner for the this great advice. I had the same problem with my optimus one and this helped me a lot.
I just bought the phone a week ago and about 3 days ago i installed winamp app and transfered a few mp3's on the sd card. Just last evening, when i stumbled into this topic, I realised that my high battery drain problem started just after i did the fore mentioned changes to my phone.
Yesterday(data from "Battery use" in Settings) with ~14h since full charge i had like 20% battery left with moderate use during day. So after that, I followed this advice and removed the whole folder from sdcard containing the mp3's and let the phone charging over night again. I used the phone with the same moderation as yesterday. As i'm writing this i'm reading from "Battery use" a 13h 52m uptime since last full charge and my batter is at 74% percent left.
I can't tell you how glad i am i stumbled into this topic. I was just ready to uninstall all my apps and possibly get the phone in service.
I find this a somewhat important problem of the cellphone and i think more users should be informed about this. Could be a nice addition to some faq/tips and tricks topics.
I still have a couple of questions though and i hope someone will be nice enough to answer them.
What could be the cause of this problem? The android os(upgraded official 2.3.3 from stock 2.2.*), the phone's hardware or the sdcard?
What is there to do if I, let's say, go on a trip and i need some music to listen to on my phone?
Thank you.
i highly recommend to FREEZE it using titanium backup pro..
den unfreeze it if your gonig to use it
Afaik Titanium Backup is for rooted phones. Mine is not, as i said i'm using official 2.3.3. I don't know if i'm gonna root it atm just for using titanium backup.
I still hope there is another workaround that doesn't involve rooting the phone.
BobbyLoblaw said:
Afaik Titanium Backup is for rooted phones. Mine is not, as i said i'm using official 2.3.3. I don't know if i'm gonna root it atm just for using titanium backup.
I still hope there is another workaround that doesn't involve rooting the phone.
Click to expand...
Click to collapse
well then.. root it ^__^

[Q] [ATT] Cell Standby is more than 50 around NY

Hey guys,
I got my S 3 devices on last Friday (22 June) and since then the battery is worse when I check what is using battery it seems “Cell Standby”, I am not using the device heavily actually. I am living in NY, Manhattan area which ATT has LTE. I read some of the thread in XDA they suggesting to change to APN and don’t use LTE, I did that but no luck, again battery is depleting less than 1 day.
Is anybody having that problem like me? What should I do? Is my device has issue?
This seems to be an issue on all SGS3s. I have both the LTE and international model and they both show high cell standby. Check this thread out for more info on the i9300 forums to understand why its showing so high which is actually a calculation error
http://forum.xda-developers.com/showthread.php?t=1732722
My i747 is rooted so I decided to make a backup and flash the zip fix they provided and seemed to work. But the risk is inherently yours if you want to try it. Its just an xml file so I wasn't worried trying it in my case. I am more sending the link so you can see why it reports using so much battery
My cell standby battery usage went from over 50% to 5%
Basically, cell standby is not really killing your battery, it overestimates the power usage as being 10X more than what it is from my understanding
Thank you for your answer. If it is an error that is not significant I am wonder why my battery finishes less than a day?
Especially at night while I was sleeping battery drains like 20%
I actually called ATT and request a new device, they will send me the new one, so I have to wait the new device to root : )

Battery drain on s3 after installing JB 4.1.1

Hi
Last night i installed the [ROM][AOSP][JB][4.1.1][STABLE] SuperNexus - I9300 - BUILD 1 on my Galaxy S3 device and i noticed my battery is draining out like crazy. Cell Standby and Screen are using more than 40% each.
When i was using Ice Cream Sandwich i had the same problem but after installing the battery fix it all worked so tried the fix on JB and nothing.
Is there any other fix or solution for this?
Thanks.
No fix for this until cm sorts it. Live with it or go back to ics I'm afraid mate
Sent from my GT-I9300 using xda premium
I am having the same battery drain with my sgs3 running ics, what battery fix did you use. I would like to try it out.
Sent from my GT-I9300 using xda premium
here u go:
http://forum.xda-developers.com/showthread.php?t=1732722
let me know if it works, i tried it and no luck on my S3.
syber192 said:
here u go:
http://forum.xda-developers.com/showthread.php?t=1732722
let me know if it works, i tried it and no luck on my S3.
Click to expand...
Click to collapse
That is not repeat not a battery fix if you read the post it fixes a misreported figure only .
battery drain is user start with Better Battery Stats and look for wakelocks .
Battery requires five days use from flashing a new rom .
jje
Screen will always use 40%+ unless you aren't using your phone.
syber192 said:
Hi
Last night i installed the [ROM][AOSP][JB][4.1.1][STABLE] SuperNexus - I9300 - BUILD 1 on my Galaxy S3 device and i noticed my battery is draining out like crazy. Cell Standby and Screen are using more than 40% each.
When i was using Ice Cream Sandwich i had the same problem but after installing the battery fix it all worked so tried the fix on JB and nothing.
Is there any other fix or solution for this?
Thanks.
Click to expand...
Click to collapse
Running the same build myself and experienced an 18% drop last night on standby with Wi-Fi on over 7 hours, i have flashed the latest Siyah kernel update today and ive every confidence this will increase battery life as when i checked the kernel wakelocks this morning the wakelocks were big, the CM kernel i believe is the main culprit in this instance.
Also take into consideration any apps / widgets you have which update and any sTuff you rarely or never use freeze in Titanium backup and also go into advanced in Wi-Fi and set to never or only when plugged in and this will make a difference.
And finally don't use Juice Defender or any other battery saving apps as they use up more battery than they save!
jonny68 said:
Running the same build myself and experienced an 18% drop last night on standby with Wi-Fi on over 7 hours, i have flashed the latest Siyah kernel update today and ive every confidence this will increase battery life as when i checked the kernel wakelocks this morning the wakelocks were big, the CM kernel i believe is the main culprit in this instance.
Also take into consideration any apps / widgets you have which update and any sTuff you rarely or never use freeze in Titanium backup and also go into advanced in Wi-Fi and set to never or only when plugged in and this will make a difference.
And finally don't use Juice Defender or any other battery saving apps as they use up more battery than they save!
Click to expand...
Click to collapse
I installed syiah kernel s3-v1.5beta5 over CWM yesterday and still no change, Cell Standby is now using 70% while screen dropped to 7%. I will
now try to disable all automatic updates.
After installing [ROM][AOSP] [4.1.1] Liquid JellyBean Beta 1.1 battery works pretty good without even installing kernel 1.5beta4.
Cell standby dropped to 37% and Screen to 27%
I must say this ROM works faster and adds a few cool options for personalization.
syber192 said:
Hi
Last night i installed the [ROM][AOSP][JB][4.1.1][STABLE] SuperNexus - I9300 - BUILD 1 on my Galaxy S3 device and i noticed my battery is draining out like crazy. Cell Standby and Screen are using more than 40% each.
When i was using Ice Cream Sandwich i had the same problem but after installing the battery fix it all worked so tried the fix on JB and nothing.
Is there any other fix or solution for this?
Thanks.
Click to expand...
Click to collapse
- I recommend you to go to stock or modified ICS , simply functioning Roms and stable .
- JB you can flash it just for fun , still under construction and testing , can't litterly judge it .
You may want to try different modems. Cell standby is mostly not influenced by the ROM but your reception and the flashed modem.
d4fseeker said:
You may want to try different modems. Cell standby is mostly not influenced by the ROM but your reception and the flashed modem.
Click to expand...
Click to collapse
My operator is Movistar from Spain and i am currently outside of the country. I flashed my S3 to JB after leaving the country and now i have no reception, can this be the reason why Cell Standby is always around 70%?
syber192 said:
After installing [ROM][AOSP] [4.1.1] Liquid JellyBean Beta 1.1 battery works pretty good without even installing kernel 1.5beta4.
Cell standby dropped to 37% and Screen to 27%
I must say this ROM works faster and adds a few cool options for personalization.
Click to expand...
Click to collapse
I am using this Rom as well and i must say it`s very good. Have a lot setup possibilities, and runs very smooth. For me i`ts the best JB Rom, better than SuperNexus. Just have the one issue - camera!

[Q] Plz help for battery problem Lg optimus g E970

hi,
I have brought lg optimus g E970 this phone 9 months ago everything was working fine but 5 days back something happened to the phone as where my battery previously goes down only 20% -30% in whole day but now is not able to work for 7 hrs also i have use everything battery saver app and brightness low even factory rest the phone but no luck, the battery is getting low even when the phone is switched off , saw the battery usage its shows normal screen 45% Phone Ide 15% and rest..
I m using stock JB Rom
Plz let me know what will be the problem and how can i solve it.
I even tried to flash the stock JB Rom from LGNPST but no luck as its not getting flashed it shows done but i can see the old files and also my apps.
Used:
LGE970ATT-V20j-Stock.bin.zip
AutoLGNPST-tSilenzio.zip

HTC One M8 Rooted-Serious battery drain

Hi all,
I'm a little at my wits end trying to find a solution to battery drain issue since I rooted my HTC One M8. I was on stock 4.4.2 when I rooted and installed TWRP recovery. I installed stock recovery from 4.4.4 OTA and upgraded to 4.4.4 - followed by reflash TWRP, battery issue still the same. I have modified system\etc\permissions\platform.xml to give apps write access to my sd card and gone back to stock recovery but no change
Prior to rooting, with fairly heavy daily usage, the battery would last at least 14hours but since rooting and similar usage I'm lucky to get 7-8 hours most days battery is gone just after lunch from 8 in the morning. Right now battery usage for the last hour is Google Services 61% Android system 27% Android OS 29% Cell Standby 3% Phone Idle 2% , in the last 6 hours Google Services has averaged 42% with the rest being mostly the same. I have done many searches for info on what might be causing this issue and have tried any solution I have come across but without success. Any pointers would be much appreciated.
Drmt66 said:
Hi all,
I'm a little at my wits end trying to find a solution to battery drain issue since I rooted my HTC One M8. I was on stock 4.4.2 when I rooted and installed TWRP recovery. I installed stock recovery from 4.4.4 OTA and upgraded to 4.4.4 - followed by reflash TWRP, battery issue still the same. I have modified system\etc\permissions\platform.xml to give apps write access to my sd card and gone back to stock recovery but no change
Prior to rooting, with fairly heavy daily usage, the battery would last at least 14hours but since rooting and similar usage I'm lucky to get 7-8 hours most days battery is gone just after lunch from 8 in the morning. Right now battery usage for the last hour is Google Services 61% Android system 27% Android OS 29% Cell Standby 3% Phone Idle 2% , in the last 6 hours Google Services has averaged 42% with the rest being mostly the same. I have done many searches for info on what might be causing this issue and have tried any solution I have come across but without success. Any pointers would be much appreciated.
Click to expand...
Click to collapse
search greenify, amplify and powernap after installing xposed framework
toolhas4degrees said:
search greenify, amplify and powernap after installing xposed framework
Click to expand...
Click to collapse
Update, cleared GooPS's cache, rebooted, and seems to have done the trick.....for now....will monitor. Many thanks for the heads up....my fallback if above fails

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