Before i start explaining the situation, I have (you can guess by title) Samsung Galaxy S4 GT i9505 model... If i tell you ROM/Kernel/Baseband, Ill lie to you because i changed A LOT of ROMs/Kernels since i got this phone.
The problems is there, no matter which ROM/Kernel/Baseband i try, i get battery drain like 3% in 2mins... and guess what, I tried everything...
First of all im not so heavy user and I have only few apps installed, like Viber/Chrome/Es file explorer pro/Guitar tuna/Adobe Acrobat and thats all....
There were times when I had more than 25-30 apps, and i tho thats the problem but NAAAAAH its not!
I turned off every battery eating thing in settings (wifi scan, 3g/4g/ location, brightness, anoying sounds, and so on)
I changed my battery aswell, still the same, new one working just like the old one...
Included greenify/amplify/GSAM Battery Monitor/Build.prop scripts but no...
Stweaks, undervolt, still the same, bad performance still bad battery life...
I can't pass 2h 15mins SOT and there is no way to get more...
When I see people getting more than 3h 30mins i cry lol
Did anybody from XDA community ever have the same problem like me, and what to do? (except buy a new phone, forget about that I can't afford it)
IMEI of s4 is 05 which is not bad quality...
Appreciate every reply or PM, thanks!
EDIT: I forgot to mention that when i boot in recovery, wipe everything and so on, it takes like 2up to 3mins, the percentage is cool, i tried to be in recovery like more than 7mins and only 1% lost even with high brightness
Bump!
stef_zii said:
Before i start explaining the situation, I have (you can guess by title) Samsung Galaxy S4 GT i9505 model... If i tell you ROM/Kernel/Baseband, Ill lie to you because i changed A LOT of ROMs/Kernels since i got this phone.
The problems is there, no matter which ROM/Kernel/Baseband i try, i get battery drain like 3% in 2mins... and guess what, I tried everything...
First of all im not so heavy user and I have only few apps installed, like Viber/Chrome/Es file explorer pro/Guitar tuna/Adobe Acrobat and thats all....
There were times when I had more than 25-30 apps, and i tho thats the problem but NAAAAAH its not!
I turned off every battery eating thing in settings (wifi scan, 3g/4g/ location, brightness, anoying sounds, and so on)
I changed my battery aswell, still the same, new one working just like the old one...
Included greenify/amplify/GSAM Battery Monitor/Build.prop scripts but no...
Stweaks, undervolt, still the same, bad performance still bad battery life...
I can't pass 2h 15mins SOT and there is no way to get more...
When I see people getting more than 3h 30mins i cry lol
Did anybody from XDA community ever have the same problem like me, and what to do? (except buy a new phone, forget about that I can't afford it)
IMEI of s4 is 05 which is not bad quality...
Appreciate every reply or PM, thanks!
EDIT: I forgot to mention that when i boot in recovery, wipe everything and so on, it takes like 2up to 3mins, the percentage is cool, i tried to be in recovery like more than 7mins and only 1% lost even with high brightness
Click to expand...
Click to collapse
A galaxy s4 is around 4 years old... Batteries degrade over time. Luckily you have a Galaxy s4 where the battery can be replaced. My s6 can hardly last 2 hours as well, but that battery is not replaceable, so I bought a charging case.
mohhaxs said:
A galaxy s4 is around 4 years old... Batteries degrade over time. Luckily you have a Galaxy s4 where the battery can be replaced. My s6 can hardly last 2 hours as well, but that battery is not replaceable, so I bought a charging case.
Click to expand...
Click to collapse
I see many people around with 4 up to 6 SOT with: SAME battery as me, same ROM, same sTweaks profile, same turned off in settings, I even have less apps then '' them '', I even added few lines in build.prop and yeah still the same, i can't pass 2h and 15-30mins, thats my max....
Any other solution, help? Please?
Pozz , da li ti je FIrmware Officijalni ? gledaj da preuzmes za svoj region tipa ako je telefon za srpsko trziste preuzmi za SRB sa officialnog sammobile firmware i napravi 4 fajla i fleshuj ga putem Odina .
stef_zii said:
I see many people around with 4 up to 6 SOT with: SAME battery as me, same ROM, same sTweaks profile, same turned off in settings, I even have less apps then '' them '', I even added few lines in build.prop and yeah still the same, i can't pass 2h and 15-30mins, thats my max....
Any other solution, help? Please?
Click to expand...
Click to collapse
Instead of trying to fix it blind, figure out what is eating up your power, install better battery stats (u can find it on xda) and wakelock detector, let them run a day and then check the stats, find the problem first, then you can deal with fixing it. I still have a note 2 (best phone ever made imo, which I but around December 2012) along with my other devices and i get 0.8% per hour, it has constant wifi on even though I don't use it much, and I usually get a few call on it a day.
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Mufrad said:
Instead of trying to fix it blind, figure out what is eating up your power, install better battery stats (u can find it on xda) and wakelock detector, let them run a day and then check the stats, find the problem first, then you can deal with fixing it. I still have a note 2 (best phone ever made imo, which I but around December 2012) along with my other devices and i get 0.8% per hour, it has constant wifi on even though I don't use it much, and I usually get a few call on it a day.
Click to expand...
Click to collapse
I am sure i don't have any battery eating app from playstore, and like i said, i don't have many apps installed... As far as i can see, the main problem is when screen is on, while phone is idle, its not bad at all and used guard to disable keep awake, run in backround, start at boot for almost all apps..
BBs and Wakelock Detector said that the main drain are kernel wakelocks are ... ill post you screenshoots..
Teddy Lo said:
Pozz , da li ti je FIrmware Officijalni ? gledaj da preuzmes za svoj region tipa ako je telefon za srpsko trziste preuzmi za SRB sa officialnog sammobile firmware i napravi 4 fajla i fleshuj ga putem Odina .
Click to expand...
Click to collapse
Jeste.. Tried that long time ago..
Bump!
Can anybody help me now when i posted pics?
stef_zii said:
Can anybody help me now when i posted pics?
Click to expand...
Click to collapse
Sorry I was a bit busy with things for the past few days, but could you please upload them again? All the screen shots you posted says it can't be loaded so I cant see it.
Mufrad said:
Sorry I was a bit busy with things for the past few days, but could you please upload them again? All the screen shots you posted says it can't be loaded so I cant see it.
Click to expand...
Click to collapse
http://i67.tinypic.com/29wa1dd.png
http://i66.tinypic.com/1zn77gg.png
http://i68.tinypic.com/dmd5co.png
stef_zii said:
http://i67.tinypic.com/29wa1dd.png
http://i66.tinypic.com/1zn77gg.png
http://i68.tinypic.com/dmd5co.png
Click to expand...
Click to collapse
Are you using TW based rom or aosp rom? Do you have ambient display on or something like that? Or touch to wake? Or any apps or option resembling samsung AOD? Because the power manager wakelocks and services are most likely due to your screen being on, which of course will drain battery. And the wifi related wakelocks can be reduced with an app called leandroid which you can find on the playstore, to get the best out of it you have to unlock the app through in app purchase, but it works wonders. Another great app in nap time, with will force your phone into doze mode in around 5 seconds after screen off. Also there is hebf, a great app to optimize your device and manage power. But in the end if you have your screen on most of the time then no matter what you do it will consume a significant amount of power, only thing that can help in that case is lowering your brightness but I don't think there are any other solutions to screen on battery drain.
Mufrad said:
Are you using TW based rom or aosp rom? Do you have ambient display on or something like that? Or touch to wake? Or any apps or option resembling samsung AOD? Because the power manager wakelocks and services are most likely due to your screen being on, which of course will drain battery. And the wifi related wakelocks can be reduced with an app called leandroid which you can find on the playstore, to get the best out of it you have to unlock the app through in app purchase, but it works wonders. Another great app in nap time, with will force your phone into doze mode in around 5 seconds after screen off. Also there is hebf, a great app to optimize your device and manage power. But in the end if you have your screen on most of the time then no matter what you do it will consume a significant amount of power, only thing that can help in that case is lowering your brightness but I don't think there are any other solutions to screen on battery drain.
Click to expand...
Click to collapse
I have aosp rom, i disabled everything related to display, and even brightness is at lowest possible point, when i use the phone, and thats mostly at home, on weekends, I like before sleep to read news and so on, thats like 15mins and i lose like 25% and im sure thats not normal...
No i don't have any AOD display, when i turn off the screen, its cool, like 1-2% per hour, but the main problem is when the screen is on... and how the hell one day i have SOT 2h and 15mins, the other day i can't even pass 1h 45mins... with same setup, nothing changed, nothing specially turned on.... same usage, and no big difference in calltime, messages, etc.... wifi is turned off when screen is off aswell...
Stats are like for example 2h SOT , idle 8h.... and im sure there is a way i can get more SOT since the drainage when the screen is on, is crazy....
stef_zii said:
I have aosp rom, i disabled everything related to display, and even brightness is at lowest possible point, when i use the phone, and thats mostly at home, on weekends, I like before sleep to read news and so on, thats like 15mins and i lose like 25% and im sure thats not normal...
No i don't have any AOD display, when i turn off the screen, its cool, like 1-2% per hour, but the main problem is when the screen is on... and how the hell one day i have SOT 2h and 15mins, the other day i can't even pass 1h 45mins... with same setup, nothing changed, nothing specially turned on.... same usage, and no big difference in calltime, messages, etc.... wifi is turned off when screen is off aswell...
Stats are like for example 2h SOT , idle 8h.... and im sure there is a way i can get more SOT since the drainage when the screen is on, is crazy....
Click to expand...
Click to collapse
Quite puzzling, ok my last advice to you is to try HEBF, it has some battery profiles and performance profiles, also you can control cpu clock speed, kernel io and profiles, check to see if altering them helps you out, but other than that I am out of ideas. But when the screen is on kernel settings such as cpu speed, profiles and all that have major impacts on a device, so these are your best bet.
Mufrad said:
Quite puzzling, ok my last advice to you is to try HEBF, it has some battery profiles and performance profiles, also you can control cpu clock speed, kernel io and profiles, check to see if altering them helps you out, but other than that I am out of ideas. But when the screen is on kernel settings such as cpu speed, profiles and all that have major impacts on a device, so these are your best bet.
Click to expand...
Click to collapse
I set hebf on battery profile yet it heats my phone and burns battery even faster.... i tried stweaks, lowered voltage for 3 steps, phone is stable, but it doesnt change a lot... still huge battery drainage when screen is on... Im even using amoled photo.... But, when i boot in safe mode screen on time is great.... lel... im on lineage nougat ...
Related
"Long post warning"
I have really really bad battery life since I got Galaxy S2, I tried everything, never get what people claim(20hours+ battery life).
All I have got is something around 10hrs. I already using official Samsung 2000mAH extended battery.
I never liked root and flash rom but this phone made me do it .
yesterday I flashed to LeoMar75 2.7.1 with CF-root kernel (I read this kernel has best idle battery saving)
and hoping miracle will come and now..I still stuck in battery life agony
Can you guys help me determine what's wrong with my phone? I see A LOT of fellas report their phone can run for 30+ hours with 3G always on, screen time more than 2hours, internet, whatsapp and games
I basically did the same thing , I don't even do games but mine doesn't get pass 10hrs.
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today I flashed the rom and kernel and I fully charged the battery then I have like 2 hours screen time for
whatsapp, engadget, FML and stuffs then sleep for 5 hours.
before I sleep, the battery has 57% left and woke up, 33% left.
I can understand 2hours screen on time drain the battery to 57% but I don't understand why 24% of 5 hours idle?
as you can see, my device woke up while I was sleeping and it's idle.
I give you guys some details
can you guys please tell me, which part of my phone is draining the battery ?
Display setting:
1. brightness : 20%
2. auto adjust display power : uncheck
3. display mode - film
Sync
I disabled Gtalk auto login and signed out Google latitude.
I also unchecked the "Backup my data" in Privacy.
I disabled Fast Dormancy.
and here are my app list.
I already did all the tricks I can find on internet to save battery for my S2 but still the battery life is miserable. I hope you guys can help me with this : (
ps. now I doing battery calibration, I think this is my last resort , I really hope my phone can do 20+hours with 3G data always on.
yeah well first of all when flashing a new rom, must wait 2-3 cycles before the battery life is maximised....
2nd of all why the need for both friendcaster and facebook ??
If the drain is still bad I would just recommend turning all data off etc...and seeing if the battery life is normal overnight (2-3% loss)...if not then something ain't right
edit; also check your wakelocks (on betterbattery stats app)
Sent from my GT-I9100 using Tapatalk
beaver2233 said:
yeah well first of all when flashing a new rom, must wait 2-3 cycles before the battery life is maximised....
2nd of all why the need for both friendcaster and facebook ??
If the drain is still bad I would just recommend turning all data off etc...and seeing if the battery life is normal overnight (2-3% loss)...if not then something ain't right
edit; also check your wakelocks (on betterbattery stats app)
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
Thanks for your advice man!
do 2-3 cycles will make HUGE difference?
I have 2 facebook account for work and friends, that's why I have both friendcaster and facebook app.
I tried turn off 3G data and Wifi at stock rom(2.3.5) earlier, the drain overnight(8hrs) was within 10% so I pretty sure it's 3G data draining the battery, just don't know which app does it. (I have quite heavy incoming whatsapp msg don't know if that's the case)
sorry I forgot to capture the wakelock screen earlier but now my phone battery is completely dead,
charging it for battery calibration, perhaps I will include it tomorrow. Thanks a lot man
darkinners said:
Thanks for your advice man!
do 2-3 cycles will make HUGE difference?
I have 2 facebook account for work and friends, that's why I have both friendcaster and facebook app.
I tried turn off 3G data and Wifi at stock rom(2.3.5) earlier, the drain overnight(8hrs) was within 10% so I pretty sure it's 3G data draining the battery, just don't know which app does it. (I have quite heavy incoming whatsapp msg don't know if that's the case)
sorry I forgot to capture the wakelock screen earlier but now my phone battery is completely dead,
charging it for battery calibration, perhaps I will include it tomorrow. Thanks a lot man
Click to expand...
Click to collapse
Try disabling facebooks sync for a day and see how battery life is then. I ran into a serious problem where my battery was drained 50% in a matter of hours with zero usage and once I remembered that I recently updated facebook I uninstalled it and everything worked fine again. I re-installed fb but disabled sync and battery life is still excellent, haven't had the chance to enable sync and monitor the battery though.
Hollow.Droid said:
Try disabling facebooks sync for a day and see how battery life is then. I ran into a serious problem where my battery was drained 50% in a matter of hours with zero usage and once I remembered that I recently updated facebook I uninstalled it and everything worked fine again. I re-installed fb but disabled sync and battery life is still excellent, haven't had the chance to enable sync and monitor the battery though.
Click to expand...
Click to collapse
Will do : ), I will disable all the sync except my google account after the battery is fully charged, see if that make a difference, Thanks man
You sure as he*l has a lot of apps :O
I got like 3 apps installed :O
bruflot said:
You sure as he*l has a lot of apps :O
I got like 3 apps installed :O
Click to expand...
Click to collapse
yeah I know I have quite a lot of apps installed but that's the point for a galaxy S2 with 16GB internal storage right?
Turn notifications on for facebook but disable refresh (Set refresh interval to never). You'll get PUSH notifications instead .
are you loggdd into fb chat? If so, that should be it.
I suggest Skype.
I had Skype, Yahoo Mail, Yahoo Messenger, and Facebook installed on my phone before. Got around the same batt life as you.
Reinstalled the rom I had and installed apps one at a time. Those 4 progs are the only ones I know of I have NOT reinstalled and my battery life is usually around 20+ hrs with normal usage.
Please use the Q&A Forum for questions Thanks
Moving to Q&A
darkinners,
I am in Hong Kong as well, I am wondering where you purchased the 2000mah battery? Online or in HK? If you got it in HK, do you mind sharing with me where?
Thank you! mmm goi!
I hope you get your battery problem fixed!
DramatikBeats said:
Turn notifications on for facebook but disable refresh (Set refresh interval to never). You'll get PUSH notifications instead .
Click to expand...
Click to collapse
I did what you said , let's see how it goes, Thanks man!
Seifer1975 said:
are you loggdd into fb chat? If so, that should be it.
Click to expand...
Click to collapse
how can I know I logged on fb chat and how to disable it ? I don't use fb chat ever, Thanks man
nomnompie said:
I suggest Skype.
I had Skype, Yahoo Mail, Yahoo Messenger, and Facebook installed on my phone before. Got around the same batt life as you.
Reinstalled the rom I had and installed apps one at a time. Those 4 progs are the only ones I know of I have NOT reinstalled and my battery life is usually around 20+ hrs with normal usage.
Click to expand...
Click to collapse
wow! Thanks, I will get rid of Skype and try, I don't use it often : )
lufc said:
Please use the Q&A Forum for questions Thanks
Moving to Q&A
Click to expand...
Click to collapse
sorry for posting in wrong board, Thanks mod.
chiefroastbeef said:
darkinners,
I am in Hong Kong as well, I am wondering where you purchased the 2000mah battery? Online or in HK? If you got it in HK, do you mind sharing with me where?
Thank you! mmm goi!
I hope you get your battery problem fixed!
Click to expand...
Click to collapse
I bought it in Mong Kok, I don't know if here allow posting shops name and stuffs, so I am gonna PM you the details : )
darkinners said:
I did what you said , let's see how it goes, Thanks man!
how can I know I logged on fb chat and how to disable it ? I don't use fb chat ever, Thanks man
wow! Thanks, I will get rid of Skype and try, I don't use it often : )
Click to expand...
Click to collapse
If you've never logged on then your fine. Skype has always drained my battery, but I don't use it much so uninstalled. Facebook was a battery drainer with the refresh times but now that it has push (I get notifications at the exact same time as I do on my web browser) it doesn't drain my battery at all.
Average battery life is anywhere from 20 hours to 1day & 13 hours. Screen on time is always 3 hours & 30 minutes minimum, most I've had is 5 hours & 30 minutes, that was without playing any strenious games though
bruflot said:
You sure as he*l has a lot of apps :O
I got like 3 apps installed :O
Click to expand...
Click to collapse
only 3 apps
i have 144 and that's a lot less than what i previously had.
DramatikBeats said:
If you've never logged on then your fine. Skype has always drained my battery, but I don't use it much so uninstalled. Facebook was a battery drainer with the refresh times but now that it has push (I get notifications at the exact same time as I do on my web browser) it doesn't drain my battery at all.
Average battery life is anywhere from 20 hours to 1day & 13 hours. Screen on time is always 3 hours & 30 minutes minimum, most I've had is 5 hours & 30 minutes, that was without playing any strenious games though
Click to expand...
Click to collapse
wow nice tips! so you suggest even I didn't login Skype, I just let the app sit in there, it still drain battery?
I disabled the facebook refresh interval like you said and yeah I still got notification from PUSH, nice tip : )
I now calibrated the battery, fully charged, did all the tips you guys gave me.
turned on the phone for 1.5 hours with 30mins screen time, (LINE, Facebook, Whatsapp only)
the battery drop from 100% to 88%, is that normal ? (I use 2000maH battery)
with the 2000 mah battery, you should be able to hit 6 - 7hours screen on time. This does depend on your screen brightness however but your drain looks ok based on screen time. Id recommend that you charge the phone to 100% before you sleep, then let it drain overnight so you can check how much battery is drained in idle. With the stock battery, I normally lose around 1% every 4 hours when idle.
As for Skype, it did drain my battery. When I logged out it ran in the background and caused wakelock issues. 3G watchdog also showed that it would use data every 20-30 mins. I'm now using droidwall to block internet for apps that don't need it. For example I won't be downloading wallpapers from the "Flikie Wallpapers" app whilst using mobile data, so I set it to only use internet when I'm on wifi
darkinners said:
"Long post warning"
I have really really bad battery life since I got Galaxy S2, I tried everything, never get what people claim(20hours+ battery life).
All I have got is something around 10hrs..
Click to expand...
Click to collapse
I have the same problem so i'm following this topic very carefully
Hope you'll find the solution !
one thing to remember as well, A LOT of people with 20 hour battery life have hardly touched the phone. Some people can get 3 days worth of battery, but with a screen on time of only 50 minutes its hardly surprising. I'd say anything over 24 hours with a screen on time of 3 hours is very nice.
Hi, this issue is specific to my NON-ROOTED Samsung Galaxy S2. I have seen other simsilar issues for other phones and they don't seem to help. My Battery doesn't seem to last more than a few hours. No more than 5-8 and it's dead. I turned off the Data and wi-fi. I set my Wallpaper to a Black background. It just sits on the desk and after a few hours it's almost dead...
What can I do to fix this?
Rooting is not an option at the moment.. I'm still reading and learning about it as I don't want to create a paperweight and/or void my warranty...
No offence mate but for a start you can search the forum and you will literally find dozens of threads on the very same subject which have been posted on here over the last few months.
Search and you'll find the answers your looking for, a tip freeze the Samsung bloatware in Titanium Backup and your battery life will improve substantially, there are many other methods to improve battery life you can find them yourself.
I get over a full day on heavy usage...
No offense taken, but most point to Rooting my phone...This is not an option for me at this time....I'll look some more, I guess...
Homeuser66 said:
No offense taken, but most point to Rooting my phone...This is not an option for me at this time....I'll look some more, I guess...
Click to expand...
Click to collapse
Oh right well then your options are limited if your not going to root your phone as regards battery life.
jonny68 said:
Oh right well then your options are limited if your not going to root your phone as regards battery life.
Click to expand...
Click to collapse
I know...that's why I posted, but I should have said that in my original post...I'll edit it....but I did find something that I will try when I can..Phone is charging in a wall outlet right now, and I don't want to unplug it. lol...I do thank you for your effort and understanding...
I have unrooted phone and get around 17-20 hours heavy usage.
I would suggest you flash a 2.3.5 Rom via Odin as they seem to have better battery management if you haven't done so
http://forum.xda-developers.com/showthread.php?t=1075278
you dont need to be rooted to flash new roms via odin
Also advisable to charge battery till full then use till its like 1% then recharge full and so on to calibrate it a bit.
Rogue apps can eat your battery life as well so If you can afford it do a full wipe and reset if you can and see if it makes a difference.
tfn said:
I have unrooted phone and get around 17-20 hours heavy usage.
I would suggest you flash a 2.3.5 Rom via Odin as they seem to have better battery management if you haven't done so
http://forum.xda-developers.com/showthread.php?t=1075278
you dont need to be rooted to flash new roms via odin
Also advisable to charge battery till full then use till its like 1% then recharge full and so on to calibrate it a bit.
Rogue apps can eat your battery life as well so If you can afford it do a full wipe and reset if you can and see if it makes a difference.
Click to expand...
Click to collapse
Looking into this one. Thanks!
I just wipped it to "
Out of the Box" state Tues night..only installed 25 apps :
APPS
Adobe Flash player 11.1
Angry Birds
Angry Birds RIO
Angry Birds Seasons
Books
Calendar Quick Add
Calendar Snooze
Facebook
Gmail
Hangman Classic
Keeper
Key Ring
Market
MyFitnessPal
Pool Master Pro
Solitaire
Tic Tac Toe Free
Visual Voicemail
WordSearch
all for my wife....she dont have data plan..
If her wifi is on and its constanly looking for wifi, will that be the cause? i just told her to turn that off.
What is a Rogue?
Chat applications like Google Talk or Facebook (if you go into Chat) tend to drain battery.
Sent from my GT-I9100 using XDA App
i have the same problem with s i9100 and when connect using my galaxy the battery charged very slowly but charged very quick in galaxy s
the battery in s i9000 more better
You guys need to give more information if you really want decent assistance, there is an app called better battery stats, you want to look at your partial wakelocks section in that particular app, go get it either on this forum or in the Market, post screenshots of your battery graph in Settings>About Phone>Battery Usage and click on the time, also a screenshot of your partial wakelocks will reveal the issue 90% of the time
Also, there is no need to root your phone to achieve good battery life, unless it is found that a system app may be the cause of the poor battery which is hardly ever the case, anyone who points you to rooting to get good battery life has very limited knowledge of android and what is the cause of poor battery life...
Usually downloaded apps and user settings are the cause of poor battery, there is absolutely no need to root to be able to fix those problems.....
I noticed this one too...My stock DXI2 room tend to be a battery hogger and the display consumes around 60% of my entire battery life...
agreed I'm getting nigh on 2 days battery life nowadays maybe one and a half of moderate to high usage! certainly don't need to root and install a new ROM.
sent from t'internet
achillies400 said:
You guys need to give more information if you really want decent assistance, there is an app called better battery stats, you want to look at your partial wakelocks section in that particular app, go get it either on this forum or in the Market, post screenshots of your battery graph in Settings>About Phone>Battery Usage and click on the time, also a screenshot of your partial wakelocks will reveal the issue 90% of the time
Also, there is no need to root your phone to achieve good battery life, unless it is found that a system app may be the cause of the poor battery which is hardly ever the case, anyone who points you to rooting to get good battery life has very limited knowledge of android and what is the cause of poor battery life...
Usually downloaded apps and user settings are the cause of poor battery, there is absolutely no need to root to be able to fix those problems.....
Click to expand...
Click to collapse
Ok, so I am attaching my screen shots for you to look at..There are 2 of them, as I can't figure out how to take a scrolling screen shot, which I don't think there is a way...but I'm still in the learning process...lol
These were taken at 2am EST after a full battery charge...It says 22 hrs on the top...I'll be lucky if I get 6...
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The time is now, 10:15 am EST. I have turned off GPS. Force Stopped Solitare (Wife likes to play that)and it says: 4h 52m 35s on battery..not sure how to read this? Is this how long it's been on? or that I have battery left?
Display 49%
Cell standby 15
Phone idle 10
Android 8
Clock 5
Android system 4
Messaging 2
Calendar 2
The reset 2
that's the length of time since it's been unplugged.
sent from t'internet
jr866gooner said:
that's the length of time since it's been unplugged.
sent from t'internet
Click to expand...
Click to collapse
Ohhh,, good to know
Homeuser66 said:
Ok, so I am attaching my screen shots for you to look at..There are 2 of them, as I can't figure out how to take a scrolling screen shot, which I don't think there is a way...but I'm still in the learning process...lol
The time is now, 10:15 am EST. I have turned off GPS. Force Stopped Solitare (Wife likes to play that)and it says: 4h 52m 35s on battery..not sure how to read this? Is this how long it's been on? or that I have battery left?
Display 49%
Cell standby 15
Phone idle 10
Android 8
Clock 5
Android system 4
Messaging 2
Calendar 2
The reset 2
Click to expand...
Click to collapse
Charge your phone fully and use it as you would normally, the screenshots you provided doesn't show much, what you have to do is click on the very top where it says 22h 52m, that would take you to another shot that shows your "screen on" time in a linear graph just below "Awake" time, that's the screen that would tell us if you are having wakelocks.
Secondly, get better battery stats from the market or from this link here then set the display options to "Partial Wakelocks" "since unplugged", remember you do this after using your phone normally from 100% to 50%, this should be able to give us some insight into what is eating your battery, it may be better to let the phone sleep as much as possible, but I know it's pretty hard to leave the device alone......
You should definitely try better battery stats app. It helped me to identify the app that kept my phone awake continuosly. My battery life increased from 8-9 hrs to 15-17 hrs after uninstalling that app. I even bought the paid version from market after that. Must have app!!! Give it a shot. Its free for XDA users. But if it helps you then please do consider buying it to support the developer.
yup. My SGSII is on KJ3 stock & I get easily around 1 day & 16-17 hrs before i need a charge. This is with moderate to heavy usage (depends on your perspective) which includes:
1. Display is on roughly 1.5 to 2 hrs
2. Voice calls roughly 2-3 hrs
3. 100 odd texts
4. 30-40 mins of listening to music
5. 20-30 mins of browsing
6. 30 mins of running benchmarks
7. 10-15 mins of gaming
8. Downloads for 30 mins
8. Auto-sync & background data enabled for 9-10 hrs
achillies400 said:
Charge your phone fully and use it as you would normally, the screenshots you provided doesn't show much, what you have to do is click on the very top where it says 22h 52m, that would take you to another shot that shows your "screen on" time in a linear graph just below "Awake" time, that's the screen that would tell us if you are having wakelocks.QUOTE]
Ok, I had the phone plugged in to the laptop to transfer my Memo's from my BB/Outlook over to the phone, so it only says it has been unplugged for 3 min..If you want longer, let me know, as I'll do another one tomorrow.
This one is from 49 min unplugged...
As far as that app. I'll download it now and run it for a day or two and see what happens...will post back soon!
Thanks for all your help people!!!
achillies400 said:
.Secondly, get better battery stats from the market or from this link here then set the display options to "Partial Wakelocks" "since unplugged", remember you do this after using your phone normally from 100% to 50%, this should be able to give us some insight into what is eating your battery, it may be better to let the phone sleep as much as possible, but I know it's pretty hard to leave the device alone......
Click to expand...
Click to collapse
This version has been *removed till issue #1 is fixed* Network Usage with bytes sent and received
Click to expand...
Click to collapse
My non rooted galaxy s ii lasts at least on full day of heavy usage, including 3g, music, and gps. Will last 2 to 3 days if i use it conservatively turning off 3g when not in use.
make sure u have latest update thats basically all i did.
good luck.
I have a very important question about the battery life
i need every extra hour while am using my phone heavily
any one tested a good rom in the Continuous heavy using ?
any rom and kerenal , original or cooked .. it doesn't matter
i mean look at this photo :
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this photo with my current I9100JPKJ2 2.3.5 + siyah last kernel
the battery dead just in 3 hours of heavy using , it was :
" 3G always on + twitter app always on + some camera "
and everything else was off and automatic brightness and disabled fast Dormancy
and that what happened , it dead in just 3 hours !
so please tell me what the same conditions with your experiment
how long it lasts ?
how many hours it gives me with this using ?
i was about using TurkbeyRom , but i asked first maybe there's better one
any ideas ?
CheckROM v4 is very good.. Even with default settings...
Sent from my GT-I9100 using XDA premium app
how much screen on time? i got about 6hours max
I'm guessing you have a metric ass load of apps running/syncing and draining your battery whilst your phone is awake. If I keep my screen on time to ~4 hours I can get 3+ days (approaching 4) of life out of a single charge: Wifi on most of the time, data off when in Wifi range, sync off, every thing that requires syncing I've set to 1 hour intervals. I weeded out battery draining apps some time ago using Better Battery Stats. Your phone is asleep when your screen is off however, so that's good. BBS might help you narrow down processes but these may not show up under Partial Wakelocks.
I am on an extremely tiny ROM however and the same can't be expected of a stock or modified Samsung ROM. Disabling fast dormancy can drain battery depending on if your provider supports fast dormancy or not.
mudferret said:
I'm guessing you have a metric ass load of apps running/syncing and draining your battery whilst your phone is awake. If I keep my screen on time to ~4 hours I can get 3+ days (approaching 4) of life out of a single charge: Wifi on most of the time, data off when in Wifi range, sync off, every thing that requires syncing I've set to 1 hour intervals. I weeded out battery draining apps some time ago using Better Battery Stats. Your phone is asleep when your screen is off however, so that's good. BBS might help you narrow down processes but these may not show up under Partial Wakelocks.
I am on an extremely tiny ROM however and the same can't be expected of a stock or modified Samsung ROM. Disabling fast dormancy can drain battery depending on if your provider supports fast dormancy or not.
Click to expand...
Click to collapse
which rom and kernel do you use mate ? i have screen on for 3 hours and my phone wont even last for a day
so , any suggestions or stay at my current thing ?
nowadays i have a serious issue in my country
it requires a lot of hours outside my home using twitter and facebook and some camera
every single extra hour is needed !
tried everything , sync is off , automatic brightness , etc
so , time to give up ?
hooozy said:
which rom and kernel do you use mate ? i have screen on for 3 hours and my phone wont even last for a day
Click to expand...
Click to collapse
Insanity 56 + it's stock kernel. It's based off CM7 (7.2RC0 I believe), but slimmed down to 47MB.
---------- Post added at 10:17 AM ---------- Previous post was at 10:07 AM ----------
MamomaN said:
so , any suggestions or stay at my current thing ?
nowadays i have a serious issue in my country
it requires a lot of hours outside my home using twitter and facebook and some camera
every single extra hour is needed !
tried everything , sync is off , automatic brightness , etc
so , time to give up ?
Click to expand...
Click to collapse
If you want to use Twitter and Facebook apps you'll have to accept that battery life is going to suffer a ton. Good battery life isn't a holy grail or unattainable by any means, it's all in the apps and settings.
mudferret said:
\
If you want to use Twitter and Facebook apps you'll have to accept that battery life is going to suffer a ton. Good battery life isn't a holy grail or unattainable by any means, it's all in the apps and settings.
Click to expand...
Click to collapse
yes i know
but as you see , must people already confused me
some says it normal , and some says something wrong !!
i know it's normal when we talk about heavy " hardcore " using
but i have some hope that i can find any solution gives me extra little hours
every hour needed really in my case !
It's not a great battery profile, but it could be explained easily by screen on time and lots of apps running in the background. I guess it's a matter of figuring out which app(s) are responsible and deciding which you can live without to at least make it through the day without being at the mercy of the nearest electrical outlet. I find I can easily make the battery suck on this phone; nature of the beast.
yup i know .. but i am very confused because people keep telling me something is wrong !
some people said they got 10 hours with heavy using like mine !
Not everyone's idea of heavy use is the same, no way battery will last 10 hours with screen almost alwasy on.
Maybe you should look into an extended or spare battery instead.
MamomaN said:
yup i know .. but i am very confused because people keep telling me something is wrong !
Click to expand...
Click to collapse
No, your battery graph is normal. Every Rom, every kernel will show this result with the usage you have, don't let people fool you otherwise.
some people said they got 10 hours with heavy using like mine !
Click to expand...
Click to collapse
No, impossible. You can only have around 10 hours of screen-on time while doing *nothing*, I've also accomplished that once:
While on other occasions it will look like this:
So all that BS that Rom X with kernel Y will magically improve your number of hours: no. Only thing that matters is: what's running in the background, what's being displayed on the screen (dark or light images) and if you're using lots of bandwidth.
Browsing the internet while displaying a light screen: max screen-on time of around 4 hours (so: battery will be dead in around 4 hours as well). Using the phone otherwise while displaying dark content: maybe 5 hours screen-on time or more.
All that "I have X hours of screen-on time with heavy usage!" where X>5 hours is complete B.S.
Thanx a lot , now it makes seance
now i am officially disappointed , lol
ok , what about new batteries that samsung made recently
i heard that there's some improved batteries last longer than the stock one
is it true ?
sorry for asking about that , recently i am here a lot to see what is new
is there a new improved " tested " batteries made recently last longer the stock ?
Pfeffernuss said:
All that "I have X hours of screen-on time with heavy usage!" where X>5 hours is complete B.S.
Click to expand...
Click to collapse
My X is greater than 5.
I'd think more about grabbing a bigger capacity battery or more batteries so you can swap over to a fully charged one when you need to.
I agree with eliminating unwanted battery drain but I don't agree with not using apps we want to use.
We have an awesome phone. Enjoy it. Use what apps you want as much as you want. So you have to take 2 minutes out of your day to swap a battery who cares. Better that than having to use it like an old Nokia.
Sent from my GT-I9100 using XDA App
see those photos please and tell me your opinions
improvement ??
You can get double capacity batteries if you don't mind losing the phone's slimness
Sent from my GT-I9100 using XDA App
If you have this necessity of being constantly online on Twitter, Facebook and whatnot you might want to consider another device such as a tablet or netbook? Can't expect to do everything on the phone and have good battery life. That said, try ing different governors made a good difference in my case.
Sent from my GT-I9100 using xda premium
Ok , what about ice cream sandwich ??
is there any hope or improvement at the battery ??
this is my last chance , help please
MamomaN said:
Ok , what about ice cream sandwich ??
is there any hope or improvement at the battery ??
this is my last chance , help please
Click to expand...
Click to collapse
I dont think so, there is so many reports from nexus s user, the official ics rom worst than gb
Sent from my GT-I9100 using Tapatalk
This is just ridiculous... All I've been doing is browsing xda... everything else is turned off.
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I know the screen is turned up, but thats no excuse, my tf101 manages at least 6 hours at the same brightness.
What the hell is going on - where is that improved battery life I purchased?
Something else is the issue. That is very uncommon. No reason it should've drained that much. Even if it is a new device needing battery to go thru more cycles. I'd say try a reset. Maybe your battery meter reporting false info. No way balanced with super ips mode would drain that much just browsing the web. Unless you have some app or widget that draining like crazy. How long have you had this device? What was the last apps or Widgets you downloaded?
Surfing the web does drain the battery the fastest next to display. Plus watching flash videos is a major battery drainer. I'd say check for rogue apps. You can also download better battery stats to see what has really nbeen draining battery the most. I easily get 9-11 hrs of battery on balanced mode doing more than you did.
First of all, the TF101 does NOT have the same screen brightness as the TF201.
http://www.notebookcheck.net/Review-Asus-Eee-Pad-Transformer-TF101-Tablet-MID.54258.0.html
http://www.notebookcheck.net/Review-Asus-Eee-Pad-Transformer-Prime-TF201-Tablet-MID.69849.0.html
Average screen brightness of the TF101 is 331.6 cd/m^2 and the TF201 is 484cd/m^2. It's almost FIFTY percent brighter at maximum brightness than the TF101.
The TF201 at 50% brightness has a cd/m^2 average of 305. When Super IPS+ mode is used a maximum average of 514 cd/m^2 is possible.
I'm not interested in a reset at this point, but I am going to download a battery analysis tool because this is crazy.
The last apps I downloaded were an irc client and a like 2 games.
The battery life has never been fantastic - but this is just bad. I've had it about 10 days now... gamestop unit so no returns.
There was no flash, no sound, just web and nothing more.
slayvus said:
First of all, the TF101 does NOT have the same screen brightness as the TF201.
http://www.notebookcheck.net/Review-Asus-Eee-Pad-Transformer-TF101-Tablet-MID.54258.0.html
http://www.notebookcheck.net/Review-Asus-Eee-Pad-Transformer-Prime-TF201-Tablet-MID.69849.0.html
Average screen brightness of the TF101 is 331.6 cd/m^2 and the TF201 is 484cd/m^2. It's almost FIFTY percent brighter at maximum brightness than the TF101.
Click to expand...
Click to collapse
Your telling me.. I have them right next to each other and there's no noticeable difference between the two...
On .15, I've been running about 15%/hour on heavy browsing, video, gaming (although heavy gaming can push 30%/hour), and about 7.5% on things like ebook reading, light browsing, etc. Standby has been about .375%/hour, which is excellent.
So, the OP's results are an anomaly, clearly. I'd say, do a complete shut down and then restart, and see what happens. Has to be some kind of rogue app or system component causing this.
GAmestop has a 30 day warranty exchange program. If you want you can easily exchange it for another if the battery life doesn't get better. What you reported is something unheard of before. Never heard a battery draining that fast. Better battery stats is the best for battery analysis.
demandarin said:
GAmestop has a 30 day warranty exchange program. If you want you can easily exchange it for another if the battery life doesn't get better. What you reported is something unheard of before. Never heard a battery draining that fast. Better battery stats is the best for battery analysis.
Click to expand...
Click to collapse
An exchange may help - would be a pity though because I have working wifi and gps w/ 0 lightbleeds. I was considering virtuous, but i haven't unlocked the bootloader yet.
I honestly don't feel a factory reset would change much... maybe its just. 15.
wynand32 said:
On .15, I've been running about 15%/hour on heavy browsing, video, gaming (although heavy gaming can push 30%/hour), and about 7.5% on things like ebook reading, light browsing, etc. Standby has been about .375%/hour, which is excellent.
So, the OP's results are an anomaly, clearly. I'd say, do a complete shut down and then restart, and see what happens. Has to be some kind of rogue app or system component causing this.
Click to expand...
Click to collapse
Waiting for a complete discharge first - then I'll charge it up and see if this continues.
here's what bbs says so far if anyone is interested. I haven't updated Boat browser lately so I don't know why it wouldn't have done this before if that was the problem.
Battery still new if only 10 days old. Do the complete discharge like you said then charge up again. I don't think it really needs to be exchanged unless the poor battery life continues. Boat browser is your culprit. You could try switching to another browser. Boat browser might drain more power than others. Try ICS+ browser or opera mobile. I use those n get great battery life. Always make sure your apps are up to date. Updated ones more optimized.
I hope it's not boat D;
I like boat.
ickkii said:
I hope it's not boat D;
I like boat.
Click to expand...
Click to collapse
I really think you might have something else or a few things running in background you not seeing. Another way tl see is load up the Asus task manager widget. See if any odd apps or anything is running. If so, kill it. Also, make sure you put display to sleep at least 1 minute or less. I have mines set on 30 seconds or sometimes 15seconds. Which means if no activity detected in that time frame, screen will cut off. This can dramatically improve battery life. Also make sure to cut down the frequency of notifications. I have my mail set to 1hr. Which is the Max or longest interval. Or you could cut it off and have it update manually when you open mail up. Also check to make sure you don't have apps that syncing too often. Like Facebook, etc... this can be found in settings. I city my Facebook notifications off. It goes off too much. So instead it'll update whenever I open up the app. Lots of things you can do and check to optimize battery performance. Also live wallpapers can drain. I don't use them. Then its best to leave auto brightness off. Better battery life can be had using manual. Plus even if ips+ is off but still on Max brightness, it'll drain battery fast. I never have my display more then 25% with ips+ off. One thing you can try is to put brightness all the way down. Then cut on ips+. The display is bright n will drain less than cutting brightness all the way up. Someone posted good battery life with that setup. I'm still testing it out.
demandarin said:
I really think you might have something else or a few things running in background you not seeing. Another way tl see is load up the Asus task manager widget. See if any odd apps or anything is running. If so, kill it. Also, make sure you put display to sleep at least 1 minute or less. I have mines set on 30 seconds or sometimes 15seconds. Which means if no activity detected in that time frame, screen will cut off. This can dramatically improve battery life. Also make sure to cut down the frequency of notifications. I have my mail set to 1hr. Which is the Max or longest interval. Or you could cut it off and have it update manually when you open mail up. Also check to make sure you don't have apps that syncing too often. Like Facebook, etc... this can be found in settings. I city my Facebook notifications off. It goes off too much. So instead it'll update whenever I open up the app. Lots of things you can do and check to optimize battery performance. Also live wallpapers can drain. I don't use them. Then its best to leave auto brightness off. Better battery life can be had using manual. Plus even if ips+ is off but still on Max brightness, it'll drain battery fast. I never have my display more then 25% with ips+ off. One thing you can try is to put brightness all the way down. Then cut on ips+. The display is bright n will drain less than cutting brightness all the way up. Someone posted good battery life with that setup. I'm still testing it out.
Click to expand...
Click to collapse
Will 1 hr notifications affect google voice notifications as well?
Not sure. Don't think so. I think you can set Google voice notifications frequency within the app itself.
Still getting the exact same results 1 hour and 40 mins into a fresh recharge.
I uninstalled boat browser and reverted to stock - stock is draining at the same rate.
I want to try a factory reset - but I really don't want to have to install everything and get it configured right again :/
considering unlocking the bootloader so I can make a nandroid backup - but its risky if its a battery problem instead of a software one.
I ended up getting 5 hours and 6 mins total yesterday after switching power saving halfway throufh and cutting the brightness 30%.
Don't risk warranty unlocking. I honestly don't know why you getting subpar battery performance. Most seem to gget great battery performance. Try a factory reset through settings or stock recovery mode. So it can clear all old data or any bugs might be prevalent.
demandarin said:
Don't risk warranty unlocking. I honestly don't know why you getting subpar battery performance. Most seem to gget great battery performance. Try a factory reset through settings or stock recovery mode. So it can clear all old data or any bugs might be prevalent.
Click to expand...
Click to collapse
I'll give it a shot tomorrow night when I get home from college. I installed juice defender ultimate so I'll give that a go in the meantime.
if I factory reset I'm probably going to revert to honeycomb with stock firmware because I have a gut feeling its .15 and ics is only hindering some of my apps from working at the cost of a nicer ui.
As I said I have working gps/wifi so the firmware updates aren't doing me any favors.
do you guys have "keep wi-fi on during sleep" as always? or never. just wondering
kwazytazz said:
do you guys have "keep wi-fi on during sleep" as always? or never. just wondering
Click to expand...
Click to collapse
I don't normally, but I thats a feature in juice defender im using.
kwazytazz said:
do you guys have "keep wi-fi on during sleep" as always? or never. just wondering
Click to expand...
Click to collapse
I have mines set to always n still get really good battery life.
Op, I heard apps like juice defender n such don't really do much for tablets n may actually cause more battery drain. Reason because depending on your settings in that app, it'll constantly be trying to kill or shut down processes that'll pop right back up. Plus killing of certain processes might cause issue or more CPU strain. It'll be better to just freeze them. Just something I read here on xda. I think of was in the tips & hints section of better battery stats. They said not to use apps like juice defender n such.
I have i9205 for 1.5 week. I rooted it after a few hours I have it. I was in rooted + official rom for a week. Then I flashed Cassies XtraLiteROM to it a few days ago. XtraLiteROM is based on official stripped down to minimum plus some tweaks.
My observation of battery drop during the night (wifi/3g/gps/bluetooth all off) is indistinguishable between the official rom and XtraLiteROM. About 10%-12% drop during the 8-hour sleep.
I greenified facebook app and a few others that I think works in the background. I tried to invoke Wakelock detector, hoping to find something. It appeared normal and said 8-hour deep sleep. The battery level falls continuously and smoothly during the sleep with hardly any wakeup.
Is it common with 4.2.2? I have another LG L9 rooted with 4.1.2. The drop during the night is 1%-2%.
I left my mega all stock. No root or any modifications and when i go to bed i put it in flightmode and it loses about 1% or 2% in those 8 hours just like your LG
Sent from my GT-I9205 using xda app-developers app
SquirtingCherry said:
I left my mega all stock. No root or any modifications and when i go to bed i put it in flightmode and it loses about 1% or 2% in those 8 hours just like your LG
Click to expand...
Click to collapse
One thing I have not tried is put it in flight mode. Thanks. I will give it a shot.
SquirtingCherry said:
I left my mega all stock. No root or any modifications and when i go to bed i put it in flightmode and it loses about 1% or 2% in those 8 hours just like your LG
Sent from my GT-I9205 using xda app-developers app
Click to expand...
Click to collapse
I'm also having the same battery drain problems since the first day I bought Mega 6.3. I have tried different ROM versions UAMEA,ED,F2,G3 and now the latest G4 but still having the same problem. Today I lost 3% in a matter of 1.5hours without even doing anything on my phone within those times. Flightmode technique you mentioned seems to be good but the problem is we may not be able to receive emergency or urgent calls/text while asleep. I was hoping samsung would address this drain bug.
jtrakx said:
I'm also having the same battery drain problems since the first day I bought Mega 6.3. I have tried different ROM versions UAMEA,ED,F2,G3 and now the latest G4 but still having the same problem. Today I lost 3% in a matter of 1.5hours without even doing anything on my phone within those times. Flightmode technique you mentioned seems to be good but the problem is we may not be able to receive emergency or urgent calls/text while asleep. I was hoping samsung would address this drain bug.
Click to expand...
Click to collapse
how is samsung responsible for you installing something on your phone that eats you battery?
baladev said:
how is samsung responsible for you installing something on your phone that eats you battery?
Click to expand...
Click to collapse
But the problem seems to be present even if you don't install anything else than what is supplied !!
I don't understand what's going on with the battery:
one day you put the phone in arplane mode and for 10 hours you eat 1% of the battery :good:
The next day without changing anything you eat 10% in the same conditions WTF !!
As far I can see it seems that there is a problem with the release 4.2 (problem also for the Galaxy S4).!!
In another forum i participate, some people had similar issues, they had been harrowed down to some programs they were running. some people had Mega synchronise their photos every time they connected to the internet others had some other crap going on. if it was a firmware issue, everyone would have it. i, for example don't have this problem. you can try to use Disable service program to see which services are active in the background and are eating your battery and stop them carefully.
baladev said:
In another forum i participate, some people had similar issues, they had been harrowed down to some programs they were running. some people had Mega synchronise their photos every time they connected to the internet others had some other crap going on. if it was a firmware issue, everyone would have it. i, for example don't have this problem. you can try to use Disable service program to see which services are active in the background and are eating your battery and stop them carefully.
Click to expand...
Click to collapse
For example phone in airplane mode everything off (air view, NFC, GPS, synch off etc):
From yesterday 23.00 till morning 09.00 lost 11%
From 09.00 till 14:00 lost 4%
From 14.00 till now (23.00) lost 3%
Without touching the phone !!
Don't tell me me there is not something strange !!
Tilagoon said:
For example phone in airplane mode everything off (air view, NFC, GPS, synch off etc):
From yesterday 23.00 till morning 09.00 lost 11%
From 09.00 till 14:00 lost 4%
From 14.00 till now (23.00) lost 3%
Without touching the phone !!
Don't tell me me there is not something strange !!
Click to expand...
Click to collapse
what? are you talking to me? have you read my post? Where did i say there is no reason for such behaviour? i said - try to find the reason and it's not the firmware it's something installed on your phone doing that.
baladev said:
how is samsung responsible for you installing something on your phone that eats you battery?
Click to expand...
Click to collapse
You've got me all wrong. I'm talking about installing stock ROM (latest version) without any modification i.e. root, cwm, etc and no other apps
installed except samsung built-in apps but still battery drains like hell overnight with almost everything turned-off (wifi, bluetooth, gps, rotation sensor, etc.). So your question is a little bit off topic.
jtrakx said:
You've got me all wrong. I'm talking about installing stock ROM (latest version) without any modification i.e. root, cwm, etc and no other apps
installed except samsung built-in apps but still battery drains like hell overnight with almost everything turned-off (wifi, bluetooth, gps, rotation sensor, etc.). So your question is a little bit off topic.
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No, not really, because the stock rom is full of bloatware from samsung. I've read reports from other people saying that their camera software or galery or something else, don't remember exactly was uploading their photos to their cloud storage whenever they connected to internet. A lot of stuff can be happening in the background in the stock samsung rom because it's got a lot of stuff in it + the default settings alow synch/backup/downloading updates. Install the light custom rom from this forum, that has everything removed and see how it behaves, alternatively you can use other programs (mentioned one above) to see what's active in the memory of your device and find what's eating your battery.
baladev said:
No, not really, because the stock rom is full of bloatware from samsung. I've read reports from other people saying that their camera software or galery or something else, don't remember exactly was uploading their photos to their cloud storage whenever they connected to internet. A lot of stuff can be happening in the background in the stock samsung rom because it's got a lot of stuff in it + the default settings alow synch/backup/downloading updates. Install the light custom rom from this forum, that has everything removed and see how it behaves, alternatively you can use other programs (mentioned one above) to see what's active in the memory of your device and find what's eating your battery.
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Ok thanks. I will try silentlight tonight. By the way, I received updates of samsung link from playstore these past few hours and among the reason
for update was the battery drain. Also, I'm using an official S View flip cover from samsung. I was wondering whether there is some sort of sensor activated by this flipcase that keeps my mega from deepsleep.
jtrakx said:
Ok thanks. I will try silentlight tonight. By the way, I received updates of samsung link from playstore these past few hours and among the reason
for update was the battery drain. Also, I'm using an official S View flip cover from samsung. I was wondering whether there is some sort of sensor activated by this flipcase that keeps my mega from deepsleep.
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Have a look here, one more idea for you - http://forum.xda-developers.com/showthread.php?p=44428107#post44428107
My battery drain problem appears to be related to "cell standby".
If I charge the phone to battery full, unplug, reboot, screen off, data off and leave it to stand by for a night. "Cell standby" alone takes up most battery usage and battery level drops by ~10%. I can constantly repeat that. I think more users are having a problem with radio.
Reference: http://forum.xda-developers.com/showthread.php?t=2335242
I am trying to disable fast dormancy to see if that helps slow down cell standby drain.
I have to come back @ my comment on the previous page, since today my phone went battery hungry too at night. left it in flight mode during the night as usual but instead of losing 1 or 2% it consumed 12%.
Very strange since the phone should be absolutly doing nothing at all when its locked and in flight mode.
It's not really a problem since im a fairly moderate to light user so i can do 2 days on 1 charge but still.
I also have a strange wake-up problem now, after using the phone a bit and when i press power to lock it, sometimes the screen lights up again after about 5 seconds and goes off again.
I feel worse than it actually is when I feel like robbed 10% of power everyday for no reason. Maybe I was too picky. I have not given up on this. Will continue to look for a solution.
same **** here, today is even worst, 8 hours of phone not doing anything. deep sleeping is at 92% according to BBS, and my battery dropped from 75% to 61%, wonder wat is happening with my phone. damn!
Try this
Sorry. Very bad know English. Solved the problem of the so-
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Now 1% per night.
Yes. Map.
I think that's Maps > Settings > Google location settings > uncheck Access location.
I don't have the battery drain problem but I'll try that. Thanks.