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Help Battery Usage Question

So my battery hardly lasts 8 hours under moderate use. I always kill my apps after I use them so this seems kinda weird. I check my battery usage in settings and it shows as follows:

Display - 31%
Android OS - 29%
Android System - 14%
Voice Calls - 7%
Cell Standby - 6%
etc....

Why is Android OS & system using so much juice? My co-workers Moto Photon 4g OS only uses like 2%?


What should I honestly expect from the gs2's battery? I would like it to last me from 9am-9pm...but if that is not possible with this phone I may have to consider alternatives which is a shame because I love this phone.
 
my android os is running at 60%+. this is a HUGE issue for me. My battery is draining like crazy and phone is running hot. I dont know if all phones have the issue or if it is just mine. However, I expect a lot more than this having paid full retail. Maybe I should return it while I still can?
 
my android os is running at 60%+. this is a HUGE issue for me. My battery is draining like crazy and phone is running hot. I dont know if all phones have the issue or if it is just mine. However, I expect a lot more than this having paid full retail. Maybe I should return it while I still can?
phone running hot is very, very bad. close worthless apps like facebook, bla, bla, but it may be a bad battery or a bad phone. turn off live wallpaper and any energy hogs.

resolve this by reducing apps or returning it within 30 days for a new phone.

after 30 days, up to 1 year i believe, the warranty gives you a refurb. you mail it in and wait for the refurb, and will have no phone, unless you take your sim out and use an old phone you have, hopefully with at&t.

if you have insurance, you have a deductable, and get a refurb.

look into this immediately is my opinion.

good luck.
 
So my battery hardly lasts 8 hours under moderate use. I always kill my apps after I use them so this seems kinda weird. I check my battery usage in settings and it shows as follows:

Display - 31%
Android OS - 29%
Android System - 14%
Voice Calls - 7%
Cell Standby - 6%
etc....

Why is Android OS & system using so much juice? My co-workers Moto Photon 4g OS only uses like 2%?


What should I honestly expect from the gs2's battery? I would like it to last me from 9am-9pm...but if that is not possible with this phone I may have to consider alternatives which is a shame because I love this phone.

it is easy to cut your display battery drain!

i learned from my captivate and other posts here:
*turn off gps,
*turn off haptic feedback (under sounds) - the vibration when pressing keys uses the battery with a vibrating, off center ossilating motor,
*reduce or eliminate news and/or live feed screen widgets like news or weather,
*turn down the display brightness (in display) when not needed manually, and/or use the automatic brightness setting (i am experimenting with both settings)
*use the built in, stock samsung task manager, it is a white pie chart, with green and yellow slices. set by touching "ram". it is under applications, task manager. when you open it, it remembers what you last looked at. just open it up, choose ram, and "clear memory". this also closed open apps, and often 20 tasks close. this should help.
*if you use twitter, facebook, bla, bla, bla, forget about saving battery. don't use live wallpapers. reduce stupid apps from running unless they are life or death to you.
*always charge at your desk or in your car. if you use gps in your car, use a charger. otherwise, keep gps off. keep wifi, bluetooth, etc., etc., etc. off unless you are using them.

my ideas, above, should help. the galaxy s 2 is a battery hog, has 2 processors and a lot of bloatware. the above should really help.

when seidio, a respected aftermarket battery manufacturer, offers a new extended battery, get one, like i am going to. since the galaxy s 2 is so new, seidio does not have one yet. i had a seidio on my captivate, and it trippled my battery life, no joke!

these stock batteries, since most all android phones are so thin, have not had their batteries, or new battery technology keep up with the app and program demands on the battery. and if phones get thinner and thinner, so do the batteries. how can a big battery be utilized? it can't.

my friend has a thicker new iphone 4s, and has a much bigger built in battery. the iphones never have battery issues like the paper thin androids.

please remember, these new androids are not phones - they are portable computers that also make calls.

in settings, in the "power saving mode" section, at the bottom is a "power saving tips" tab.
good luck.
 
i dunno if it's cause i'm switching from the aria but the day i got it out of the box i lasted up to 15 hours with moderate use easily. Sometimes i watch an hour worth of movies and i still last 15 hours. dunno why
 
get a battery monitor app that tracks wakelock, these are the processes keep your phone from going deep-sleep when screen is off and drain lots of battery when they shouldn't.
 
First post a screenshot of your phone during what you deem suspicious battery drain. I get around 36 hours of use without charging and this includes web browsing with moderate surfing and minor to moderate streaming, around 120 text messages and nearly 2 hours of continuous call. I disable GPS, wifi, apn (data packets), Bluetooth (except for the calls), as well as background data when im not actively using them and keep my display brightness at the minimum. There is a known android OS battery drain issue and I don't believe there's a fix as of yet. However I don't believe the gs2 is particularly susceptible to this issue. Googling the topic will yield many results (android OS battery drain issue).
 
All these do help saving the battery, but the thing is, whats the point of having this phone? hahah no offense but i am also debating with myself on this, battery life? or the fun?


it is easy to cut your display battery drain!

i learned from my captivate and other posts here:
*turn off gps,
*turn off haptic feedback (under sounds) - the vibration when pressing keys uses the battery with a vibrating, off center ossilating motor,
*reduce or eliminate news and/or live feed screen widgets like news or weather,
*turn down the display brightness (in display) when not needed manually, and/or use the automatic brightness setting (i am experimenting with both settings)
*use the built in, stock samsung task manager, it is a white pie chart, with green and yellow slices. set by touching "ram". it is under applications, task manager. when you open it, it remembers what you last looked at. just open it up, choose ram, and "clear memory". this also closed open apps, and often 20 tasks close. this should help.
*if you use twitter, facebook, bla, bla, bla, forget about saving battery. don't use live wallpapers. reduce stupid apps from running unless they are life or death to you.
*always charge at your desk or in your car. if you use gps in your car, use a charger. otherwise, keep gps off. keep wifi, bluetooth, etc., etc., etc. off unless you are using them.

my ideas, above, should help. the galaxy s 2 is a battery hog, has 2 processors and a lot of bloatware. the above should really help.

when seidio, a respected aftermarket battery manufacturer, offers a new extended battery, get one, like i am going to. since the galaxy s 2 is so new, seidio does not have one yet. i had a seidio on my captivate, and it trippled my battery life, no joke!

these stock batteries, since most all android phones are so thin, have not had their batteries, or new battery technology keep up with the app and program demands on the battery. and if phones get thinner and thinner, so do the batteries. how can a big battery be utilized? it can't.

my friend has a thicker new iphone 4s, and has a much bigger built in battery. the iphones never have battery issues like the paper thin androids.

please remember, these new androids are not phones - they are portable computers that also make calls.

in settings, in the "power saving mode" section, at the bottom is a "power saving tips" tab.
good luck.
 
I use most the things your saying to turn off. Screen on auto and I get atleast 14 hours out of my phone. Something is up.
 
You can still have fun with this phone with those settings off..I mean if you're not actively using them how is keeping them on while the phone's in your pocket giving you more "fun"? And with the ease of use dropdown menu switching them on takes only a few seconds.
 
Does JD slow down the phone at all? Mine only lasts 12-15 with moderate usage and looks like Android OS is the main drain. But if JD under-clocks the processor in order to preserve the battery, I'd rather put up with charging it every night.
 
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