New android user here! - AT&T Samsung Galaxy S II SGH-I777

I just purchased my first android phone the galaxy s2 from att. I came from a JB 3gs and all I can say is that it is night and day! I love the UI of the the phone!
I have a few questions and I noticed my display eats up 50% of my battery usage, what would be my best way to improve battery life? The catch is can I still use the samsung interface or what ever you call it? I do like it. If I need to use like the CM7, does it have the voice talk feature, helpful when I'm driving. Will rooting/flashing roms my phone void the warranty?
thanks all

Turn the display brightness down or put on auto brightness to save bat. Also when npt using wifi or gps turn them off. Cm7 is great ita what im running . No touchwiz just pure android. And you can always flash back to a atock unrooted rom with odin if u need to reaturn your phone. And the more syncing you have going on the more bat it eats so if u dont use email or calenders turn off the syncing for them

The touchwiz is giving me the voice commands? How do I kill the active services? they seem to turn on automatically after they stop. I turned off the email and cal sync. I wonder if the HTC sense weather clock is killing my battery?

Many Widgets cause battery drain. There is a thread created by entropy512 with known battery drainers, here:
http://forum.xda-developers.com/showthread.php?t=1308030
I tried CM7, MIUI, S8, UnNamed and now Cognition 777 (just for the last 12 hours). I haven't seen dramatic differences in battery life between any of them. Its about how you use the phone.
Sent from my Galaxy S II (i777)

Battery
Welcome, I'm also new to android from iphone 4. nice thing about the galaxy S2 is that you can change the battery very easily. I just bought a replacement Samsung battery for $15 or $20 with an external charger and just keep it in my wallet so I have the peace of mind. To tell you the truth I've only used it a couple of times. Once you get used to turning off some of the things you don't need the battery lasts much longer than my iPhone. Enjoy

quarlow said:
Many Widgets cause battery drain. There is a thread created by entropy512 with known battery drainers, here:
http://forum.xda-developers.com/showthread.php?t=1308030
I tried CM7, MIUI, S8, UnNamed and now Cognition 777 (just for the last 12 hours). I haven't seen dramatic differences in battery life between any of them. Its about how you use the phone.
Sent from my Galaxy S II (i777)
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+1
I find that battery life depends more on how you set up your apps/accounts/etc than on which ROM you use. As long as there isn't a glaring bug in a ROM and I don't download any buggy apps from the market that hold wake locks, I can set my phone up to get great battery life on any of them. I could also be less intelligent about how I set up my phone and get poor battery life on any ROM out there.

I'm gonna need to catch up on all the android lingo. I got about 12 hours on my use today and had 10% bat life. Is that a good start?

Is it better to charge it on a usb/computer or wall charge? I notice it get hot with the wall charge.

It shouldn't get hot while charging unless you are putting it through some heavy use at the same time. Wall charger should charge it faster.
Sent from my Galaxy S II (i777)

kipliq said:
I'm gonna need to catch up on all the android lingo. I got about 12 hours on my use today and had 10% bat life. Is that a good start?
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Not a good start unless you had 5 or 6 hours of screen on time.

I was fooling around with the thing all day and watched 30 min of netflix and played from games during my break and lunch. Will keeping the screen brightness at 70% drain the battery quickly?

I came from the Atrix 2 and noticed that this device burns through the battery a ton quicker. I do not play any games on it so I was considering dropping the speed down a tad. However by around 5 in the afternoon I was around 56% battery left. That was random turn ons, texting, facebooking, etc. Nothing too awful heavy.

Related

[dev support please] CMOD 5.0.5.3+ display batrery killer.

I figured I'd make this its own thread after speaking with several people with the same problems using a CMOD 5.0.5.3+ rom. This wasn't a problem in lower editions from what I can remember in testing.
Idk but I believe it is something in the kernel affecting this problem with the display hogging my battery. Even after flashing an undervolted kernel I still can only last 24 hours with an extended life battery, vs a weeks time before. And the display problem has been like this in all CMODS test .6 Roms as well so idk if it is in the process of getting fixed or simply overlooked. And other Rome work well but are slower it seams.
The display settings doesn't matter auto or manual its about the same. So devs what can we do to find the change or what can I do to help?
-charlie
Pictures in the morning of drain when I'm at the computer
dahui9 said:
I figured I'd make this its own thread after speaking with several people with the same problems using a CMOD 5.0.5.3+ rom. This wasn't a problem in lower editions from what I can remember in testing.
Idk but I believe it is something in the kernel affecting this problem with the display hogging my battery. Even after flashing an undervolted kernel I still can only last 24 hours with an extended life battery, vs a weeks time before. And the display problem has been like this in all CMODS test .6 Roms as well so idk if it is in the process of getting fixed or simply overlooked. And other Rome work well but are slower it seams.
The display settings doesn't matter auto or manual its about the same. So devs what can we do to find the change or what can I do to help?
-charlie
Pictures in the morning of drain when I'm at the computer
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Click to collapse
I'm running test 3 of 5.0.6. Today i read a book with fbreader for around 2hrs on it whilst on the train, had 2 30 minute phone conversations, around 20 texts, a dozen gtalk messages, and played blackjack for about 20 mins. i'm also using pershoots OCUV kernal, and after 11hrs without being plugged in I am at 75% battery. I'm happy with that.
I think it is a work in progress, as each new build comes out it's better. His testing builds are just that - testing. None of his release builds I have ever had an issue with either, although maybe my phone ue is a lot less than others I dunno. All i can say is i've never been tempted with another rom since early days on my magic phone Cyanogen rocks!
rekrapg said:
I'm running test 3 of 5.0.6. Today i read a book with fbreader for around 2hrs on it whilst on the train, had 2 30 minute phone conversations, around 20 texts, a dozen gtalk messages, and played blackjack for about 20 mins. i'm also using pershoots OCUV kernal, and after 11hrs without being plugged in I am at 75% battery. I'm happy with that.
I think it is a work in progress, as each new build comes out it's better. His testing builds are just that - testing. None of his release builds I have ever had an issue with either, although maybe my phone ue is a lot less than others I dunno. All i can say is i've never been tempted with another rom since early days on my magic phone Cyanogen rocks!
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That's awesome. Are you turning the LCD light all the way down?
popophobia said:
That's awesome. Are you turning the LCD light all the way down?
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A week? My Nexus couldn't get more than two days or so brand new... Also, what LCD?
popophobia said:
That's awesome. Are you turning the LCD light all the way down?
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Nope, I have it on auto-detect, so quite bright when on the train and outdoors. I have setCPU (market, paid) running and set battery profiles - although I haven't hit them yet. I have it set to max 1.1ghz 100% to 50%, 998mhz from 50% to 40%, 776mhz from 40% to 30%, and under 30% to 500 and something.
I do use an app called autostarts (market, paid) and have set everything but system services/apps to not run on any kind of state change or startup. I use Advanced Task Killer to kill apps as soon as I finish with them.
But i've had all these for ages, I just think a big improvement on the last release test 3
Nandroid your existing and try out test3.
I've been experiencing the same symptoms with my battery usage generally dominated by the display. I'm using a UV kernel currently (intersectravens) so we will see if the same happens.
KingKlicks's DESIRE rom doesnt have the same problem it seems and the battery usage is much better.
Wondering if there is a underlying issue.
after .6 test 3 the battery has improved decently, still the display is hogging battery life more so than in the sense rom
Same thing here... Display totally kills the battery with CM5.0.5.3 and OC/UV kernel. Phone rarely lasts over a day with moderate to low usage...
Without usage I can barely get a days use :s
I get the impression that its not the display. I can have 50% display usage, sleep my phone while playing a MP3 and then have more than 50% usage... suggesting that its either he display+something in one category , or there is a bug.
The stock ROM always showed display at the highest usage also. I'm not saying that there isn't an issue, but remember that those numbers are all relative.
I'll say this: I charge nightly to prevent my battery "deep cycling"....That being said I un-plug at 8am and plug-in at about 11p-12a, I use my phone a TON.....usually when I plug in I have about 45-55%.....Not bad at all.....
I originally thought display being the main battery hog was a bad thing.....Then I thought about it a bit......
Would you rather the "system" use more batt? Cell Stand by?
Display (by all rights) should use most battery. More usage=Less time with a fully charged battery.....
Im using CM 5.0.5.3 and I switched Roms after using the stock for 3 months. As soon as I moved to CM I immediatly noticed the battery life was lower than before. I hope you find an issue to this problem ASAP.......I love your ROMs CM, but I love my battery life even more
Good luck with this !!
"display" = gpu acceleration and actual amoled power
Something else i just noticed, very odd. I had 41% display and 23% spotify.... i had been playing for music for a while (offline only). When i quit the spotify app... the entry from the battery usage vanished and display took a spike to 65% ish... really odd. Almost display is showing usage for a group of things.
What? How ? I get 6 hours maybe 7 if I'm lucky out of my battery.... even b4 my nexus was rooted ... how r u guys gettin 24
Ensane said:
What? How ? I get 6 hours maybe 7 if I'm lucky out of my battery.... even b4 my nexus was rooted ... how r u guys gettin 24
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Ignore any figures people quote - battery life is always relative. One persons 'usual' usage is different than yours. A friend of mine brings his N1 to works and it sits on his desk syncing email - he gets 1 full day.
I bring mine, sync 2 accounts, play a lot of podcasts, have a RSS syncer going and use twitter and FB loads, i get a LOT less.
Dont worry to much, your usage figures are pretty normal depending on your usage patterns.
They say your mileage may vary for a reason
Battery Life
My Battery life has always sucked. Maybe I should buy a new Battery?
If I take my phone off the charger at 7:30, and don't plug it in all day, then I will be at about 30% or less by the time I get home at around 5:30. Unless I don't use it. But I use my phone to play stream music pretty much all day. Or at least 4 hours. One day I forgot my USB cable and I was below 20% by 3:00.
It is still better than iSuck, I mean iPhone, and worse than a BlackBerry. I have electricity everywhere though, a car charger, and an extra battery is like 25$?
So what is the big deal? You have the equivalent of a desktop computer from like 2002 in your pocked running off of a batter the size of a credit card, how long do you really want the thing to last anyway?

Am I the only one impressed by the SGS2's battery life?

After reading through so many threads about owners having issues with the battery life, I thought I'd start a happy thread!
I've had my SGS2 for almost two weeks now and I've always been happy with the battery life because it seemed to last a while.
I'm not up to the stage where i can just leave the phone alone (because I always want to play with it!), but I did an experiment 3 nights in a row to see how much power the phone drains in standby mode.
Each night, I'd charge my phone up to 100% and take it off the charger and then wake up to see how much power is remaining.
I left all the settings as-is and DID NOT turn anything off (eg 3G, etc).
The first night, I didnt touch my phone from 11pm and woke up at 7am to see that there was 97% battery left.
The second night, I left the phone alone at 11:30pm and woke up at 8am with 96%.
The third night, I slept at midnight and woke up at 8am to have 97% left.
If I average it out, it means that the phone on standby drains a lot less than 1% per hour. At that rate, the bettary seems like it can go with minimal use for at least two or three days. But it's something that I haven't been able to test just yet because I'm constantly surfing the net, testing out apps, etc during the day.
Admittedly, I don't have all that much installed on the phone that could possibly drain battery:
Friend Caster
Kakao
Whatsapp
Crazy Colours Live Wallpaper
Seekdroid
Official EBay
Battery Solo Widget
"Standard" clock
"Applications Running" widget
(I've got more applications, but the ones listed above are the ones that might have some sort of network connection and/or widgets that may need to update during the night).
I'm also using stock Vodafone Australia firmware in Melbourne city (in Australia):
Baseband: I900TDUKF4
Kernel Version: 2.6.35.7-I9100TDUKF4-CL331615
Build Number: GINGERBREAD.DUKF4
Does anyone else get battery life like this?
I'm not sure how big a role the network plays in these stats because I'm based in the centre of a major city.
As much as I hate the Vodafone bloatware, I've been reluctant to flash other firmwares like I did on my previous HTC Aria/HTCHD2/HTCDiamond because this one works so well with the battery.
3% battery over night ?. I get under 10%, with all off what can be off, with no funky widgets, no data, no wifi, no nothing. Still phone wakes up in the night for unkown reason and 80% of battery is taken by mysterious Android OS process.
I had Optus bloatware and I kept it for a week or two. I wasn't unhappy with the battery life but wanted to customise it and get root.
After flashing Lite'ning it was obvious how much less battery drain there was. I have since moved to Cognition and I am very happy with how it's going. I charge nightly, but I've never had the battery drop below 50%, and I do use the phone quite a lot. I wouldn't say I'm a heavy user (it's all so subjective) but I would have to be at least medium if not more.
I also love the Black Theme by Nitrozk and Pele, which is why I moved from Lite'ning to Cognition to begin with.
Dr.Sid said:
3% battery over night ?. I get under 10%, with all off what can be off, with no funky widgets, no data, no wifi, no nothing. Still phone wakes up in the night for unkown reason and 80% of battery is taken by mysterious Android OS process.
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Click to collapse
That is a problem with the 2.3.3 firmware mate. Best switch to 2.3.4 ASAP!
To answer your question, yes, I'm hugely impressed by the battery life.
Here's my latest and I'm still at 15%. I'm bone stock on KF3 with all the syncs set to every three hours and using Exchange push.
People blame everything (Wi-Fi Sharing, AOS) for their issues except what they do to their individual phone. Network signal strength plays a big role so does the individual router used for Wi-Fi access. But outside of that there's no other explanation other than individual configuration when identical phone's from the factory get such different results.
I don't participate in battery threads because they're pointless. Dozens of different people using the phone differently with different apps and settings on different carriers all talk in circles when there's no common basis for a legitimate discussion.
I'd call 3% overnight something impressive.
I'll try it out tonight.
I'm running 2.3.3 (No updates avaliable here in Brazil) and i'm not about to root it now. I'm getting a generic 7" tablet to mess around and learn how to do it properly.
So i'll be running minimalistic UI, Snowstorm, Battery Monitor Widget Pro on the desktop, with 2 screens.
HSPA+, bluetooth and wifi disabled.
Let's see how it turns out tomorow morning.
One thing i wanted was to flash in Samsung's oficial fw for Brazil, mine's a carrier customized one, and that's sort of pissing me off since i wanted to uninstall 75% of the garbage Claro has installed here.
jwonga said:
That is a problem with the 2.3.3 firmware mate. Best switch to 2.3.4 ASAP!
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I'm using 2.3.3 at the moment and don't seem to have this problem at all?
BarryH_GEG said:
I don't participate in battery threads because they're pointless. Dozens of different people using the phone differently with different apps and settings on different carriers all talk in circles when there's no common basis for a legitimate discussion.
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I agree with you BarryH... having put the great battery stats in the first post, I wouldn't expect anywhere near that sort of level had I been playing with the phone or I had a thousand apps that run constantly in the background.
Having said that, it seems that there are the people who do have legitimate problems and then there are the people who simply have unrealistic expections of the battery in such a powerful phone. Kinda like buying a big truck expecting it to run on the same amount of fuel as a little car.
Unrealbr said:
I'd call 3% overnight something impressive.
I'll try it out tonight.
I'm running 2.3.3 (No updates avaliable here in Brazil) and i'm not about to root it now. I'm getting a generic 7" tablet to mess around and learn how to do it properly.
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Let me know how you go Unreal... I saw on a thread a couple of weeks ago (not sure exactly which one now because there's so many of these "bad battery" threads) that someone had said that their phone lasted more than three days with minimal use.. and noone believed him! lol
How strange, I was about to make a similar thread. I had just gotten 3 and a half days out of my battery earlier tonight, no connection to charger since friday night. Minimal use of course, few phone calls and general tinkering, but still impressed with the standby. It was at 1% battery left so time to charge her up again. I charged my phone till the 100% alert came up, then charged it for another 45 minutes as I heard it stops it dropping immediately to 95% as some others have experienced. I've experienced similar too.
So after unplugging it, I pressed the power button to turn the screen off and haven't touched the phone till just now, about 6 and a half hours later. I pressed the power button and battery widget shows me 98% on the battery. If i was to leave the phone completely in standby and not use it, at about 1% drain per 3 and a quarter hours, that's about 13 and a half days standby!
I'm on 2.3.3 btw.
2-3% overnight drain is along the lines of what I get with KE2 and KF3. Data off, 2G. I get about 20-30% of drain a day, 30 mins usage, 30 mins talk.
I get great battery life on mine, although I have not made a valid experiment using quatitative data
Hopefully, this will be the NEW TREND for all the Android Gingerbread dual core phones.
Check this out!
Neo3D said:
Hopefully, this will be the NEW TREND for all the Android Gingerbread dual core phones.
Check this out!
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Click to collapse
We have one guy who went five days supposedly. The majority of posts in that thread are just like ours, a combination of moaning and pleased. It all comes down to how the phone is used and what's loaded on it.
Sent from my GT-I9100 using XDA Premium App
Im very happy with battery life. Froze a couple of apps and I was good to go.
First phone I've had that didn't need to.be flashed on a daily basis.
I think anyone that's needs more than a day from a single charge needs a blackberry or a home to charge daily.
Sent from my GT-I9100 using XDA App
I have owned a lot of androids and my sgs2 has the best battery life.
I guess you think it's ok, probably because coming from another android phone, it is.
For me is a pain, every half day have to think about charging, my whole usage of this phone although brilliant, has been taken over by thoughts of how I'm going to next get it charged aposed to what I want to do with my phone.
Something I didn't expect was just how much this phone discharges whilst playing music with the screen off.
Sent from my GT-I9100 using Tapatalk
Im not impressed, it just met my expectation coming from an SGS1, but the first one impressed me so ergo Im also impressed on the SGS2
I have had this phone since pretty much near release date. I have been and still am very impressed,by the battery life.
I'm currently on KG1 2.3.4, but since before this past Saturday I was always on 2.3.3 (KE2). Even on 2.3.3 with the AOS bug I was still very happy with battery life.
Now with KG2 out, I'm sure ill be even way more impressed.
I love this phone, and I have been a religous iphone user previously too!
Sent from my GT-I9100 using XDA Premium App
On my phone with 3500mAh battery. With yellow arrows, the behaivour during night.
KG1: during 4 days ( no drain at all)
KG2: during one night
I must agree, this is my 3rd Android phone (out of a total of 37 phones since 1990) and it's by far the best battery of any smart phone.
My best battery usage is 3 days 13 hours with 25% battery left. That was with wifi on all the time, over an hour of screen time (I was working at home, so no need to play with the phone) and over an hour of phone calls. I'm sure it would have reached 5 days. BTW, I'm running 5 pages of widgets, firefiles wallpaper and GMail is updating all the time.
During the 3 days time I switched off 3G as this is the biggest battery drainer I have seen. I live in a 40 floor tower which is made of thick concrete and the 3G signal in my home office is terrible, the phone is constantly hunting for 3G. When I'm at home, I don't need 3G as I'm using Wifi.

[Q] Average battery life on these developed roms?

I was just wondering on how long your battery life was, I guess when comparing to idle time. I ask because this was the main issue of mine as to why I havent flashed anything. When idle I was getting up to about 3 - 4 days of battery.
If battery life is important to you I would avoid all ROMs other than stock.
Flashing 3rd party ROMs is likely to damage you battery calibrator which causes you battery life to drain rapidly since calibration gets all screwed up.
Nobody knows specifically what is causing this serious issue but what we do know is that it happens when you flash a 3rd party ROM/Kernel.
ArtificialSweetener said:
If battery life is important to you I would avoid all ROMs other than stock.
Flashing 3rd party ROMs is likely to damage you battery calibrator which causes you battery life to drain rapidly since calibration gets all screwed up.
Nobody knows specifically what is causing this serious issue but what we do know is that it happens when you flash a 3rd party ROM/Kernel.
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hey! can you please keep all your posts in one thread? it's getting hard for me to track your progress.
thx man.
jonnyg1097 said:
I was just wondering on how long your battery life was, I guess when comparing to idle time. I ask because this was the main issue of mine as to why I havent flashed anything. When idle I was getting up to about 3 - 4 days of battery.
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custom roms usually use the stock kernel. what you get on your stock rom, you should get on a custom.
battery life is also subjective and variable, depending on your useage patterns, etc.
ArtificialSweetener said:
If battery life is important to you I would avoid all ROMs other than stock.
Flashing 3rd party ROMs is likely to damage you battery calibrator which causes you battery life to drain rapidly since calibration gets all screwed up.
Nobody knows specifically what is causing this serious issue but what we do know is that it happens when you flash a 3rd party ROM/Kernel.
Click to expand...
Click to collapse
Once again... lick my butthole 5thelement. Man you really bring out the class in me tonight bro.
I've been using task650s ROM with great battery life. I did have the battery drain issue which I don't think is really ROM related but once I went through the suggested calibration on this forum everything has been great. Think I've had my Tab on for 5-6 days with it at idle through the night and earlier parts of the day and using it for internet browsing and music around the house each evening. Turned it off last night with 30-40% battery left (just a guess).
ArtificialSweetener said:
If battery life is important to you I would avoid all ROMs other than stock.
Flashing 3rd party ROMs is likely to damage you battery calibrator which causes you battery life to drain rapidly since calibration gets all screwed up.
Nobody knows specifically what is causing this serious issue but what we do know is that it happens when you flash a 3rd party ROM/Kernel.
Click to expand...
Click to collapse
Yea I am familiar with screwed up battery life calibration on my Captivate. I was getting anywhere from 8 hours to a day and a half which was why I was asking.
sternweezy said:
I've been using task650s ROM with great battery life. I did have the battery drain issue which I don't think is really ROM related but once I went through the suggested calibration on this forum everything has been great. Think I've had my Tab on for 5-6 days with it at idle through the night and earlier parts of the day and using it for internet browsing and music around the house each evening. Turned it off last night with 30-40% battery left (just a guess).
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Really? Hmm thats good to know, I will look into that one then if I consider flashing.
Heavy usage (a lot of browsing, notes, some games) nets me a little over a day. My usage can be heavy and nonstop.
My average is around 2 days before I have to charge. That's mostly moderate heavy. My usage is abnormal but I can say I'm happy with its battery life.
Using tasks rom and pershoots kernel.
My usage is heavy everyday so I get about 7 - 8 hours of screen time by the time I go to bed and usually I am around 30% - 35% left. I use it all day for when I am on the train or in class. Running Starburst KME at the moment but I got the same average battery life on all ROMs using stock kernel. Pershoots kernel is reliable and I could go an extra day if I wanted.
My galaxy tab got big problem on battery.Fully charged on 6am morning,airplane mode without any use,by 7pm night i left 50% battery.Baseband version P7500KWXG1 firmware upgrade from samsung kies.
yh9205 said:
My galaxy tab got big problem on battery.Fully charged on 6am morning,airplane mode without any use,by 7pm night i left 50% battery.Baseband version P7500KWXG1 firmware upgrade from samsung kies.
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yeah, battery life for the galaxy tabs seems to be pretty poor! i just can use my 10.1v (stock) for only about 3 or 4 days. just for a little bit of wifi surfing and ebook reading (wifi switches off during standby).
i really love my galaxy tab, and i hated my ipad, but regarding battery life i used to charge my ipad only once a month!!! really. and i used it exactly for the same things as my galaxy tab.
samsung promised it to have similar battery life as the ipad...one more lie from them...

Terrible Battery on s3

I just bought my s3 a couple weeks ago and I have noticed that the battery life is pretty terrible. Last night before I went to bed I let it get up to a full charge while it was off. I had my wifi, gps, all apps, and 4g all off. I slept for about 6 hours and when I woke up my s3 was at 50%. That is pretty ridiculous for it to burn thought 50% while just sitting there. I have to charge my phone at least 2 or 3 times a day. Is this normal? I dont think it is, What should I do? Should I contact verizon and/or samsung for a new s3??
also, I only use my phone for pretty light internet browsing and light txting.
To me, it sounds like the processor is going full on all the time.
Try going into settings>battery. If media takes up most of the, take the sd card out and give it a full charge and see if the battery life gets any better. Report back then.
Btw. this thread belongs in Samsung Galaxy s3 section.
Could it be just a bad battery case? In your place, I would, as soon as possible, take it to where I bought it and try to change it for a new one. Warranty is to be used or not?
I am a new member, sorry I was not sure where to put it. For some reason it would not let me post a thread in the Galaxy S III section so I came here.
Also, I do not even have an sd card. I went to the battery settings and everything is pretty normal. I bought the phone at walmart, I really don't like dealing with them there but it looks like im going to check if they can replace it.
maybe try a different ROM? my friend says he got better battery life when he went to the cyanogen mod.
Best way to make the phone battery last longer is to stop it from automatically syncing with google, I limited my note to manual syncing and battery life improved dramatically
Well, most of the time battery depends on your usage and applications that are running.
If you already disables WiFi, GPS, 4g; and lowered the screen brightness, yet your battery is still going down too fast it might be the apps that are running.
Line for example eats off the battery of my phone. Without any other use, it takes away around 1 - 2 hours of charge. Even if you kill it from the task manager, it restarts a minute or 2 later as long as it´s installed. You might have either that or another app like that installed.
I usually have a whole day and something more with my battery. And I have a lot open. At least two messengers and push notifications, exchange emails always on wifi or 3G. If it is not any app draining your battery get it replaced!
its all about settings, mine wastes MAX 5 percent.. did you close the apps?
Trivigumle said:
To me, it sounds like the processor is going full on all the time.
Try going into settings>battery. If media takes up most of the, take the sd card out and give it a full charge and see if the battery life gets any better. Report back then.
Btw. this thread belongs in Samsung Galaxy s3 section.
Click to expand...
Click to collapse
Also as Trivigumle says feel free to post us a screenshot of battery use from the settings menu so we can provide more accurate feedback waht could be wrong.

Stock battery life is terrible

Wow, just got my G2 on Friday night, and yesterday I was sitting around the house on WiFi all day, playing with it, I got maybe 12 hours out of it, before it was down in the teens.
Last night I charged it fully, woke up, unplugged the phone 100% battery, now 2 hours later it's down to 89%, and all I did was surf XDA and some websites for maybe 20 minutes all on WiFi.
I need to root this thing, and install CleanROM, and debloat this beast, because with a 3,000mAh battery and Snapdragon 800, I expect way way better battery life.. I am looking for Note 2 battery life, that thing could go 36 hours without sneezing.
Is it the ton of bloatware on the phone from ATT + LG killing the battery ? I am shocked at how much bloat this phone has, it's over the top with bull**** apps I never want on here, pretty ridiculous.
If you had taken the 2 minutes it took for you to write up this rant and look for the battery thread you would have seen the G2 has amazing battery life. You are obviously doing something wrong.
Give it some time to settle before deciding anything. Mine actually took three-four days and some reboots before it calmed down, and now I have about twice the battery stamina compared to HTC One (which I threw in the dumpster btw) .
Could be hardware issues. I had my G2 for a week now, and I tell you what the battery is amazing. I can easily get 4-5 hours of screen on time with 24+ hours battery life, and that's with stock. all sync (fb, whatsapp, twitter) with a few tweaks. I am coming from Nexus 4 and very impressed because with G2 I literally have a double battery life.
And also G2 is very fast charging. Only take 2 hours to charge from 10 - 100%. That's amazing!
My battery is getting better every day. Yesterday I got 14 hours of use, 5 1/2 hours screen on time, and an estimated 2 1/2 hours to go at 15%. Definitely the best so far. With more tweaks, I'm wondering how much I can get today.
Zorachus said:
Wow, just got my G2 on Friday night, and yesterday I was sitting around the house on WiFi all day, playing with it, I got maybe 12 hours out of it, before it was down in the teens.
Last night I charged it fully, woke up, unplugged the phone 100% battery, now 2 hours later it's down to 89%, and all I did was surf XDA and some websites for maybe 20 minutes all on WiFi.
I need to root this thing, and install CleanROM, and debloat this beast, because with a 3,000mAh battery and Snapdragon 800, I expect way way better battery life.. I am looking for Note 2 battery life, that thing could go 36 hours without sneezing.
Is it the ton of bloatware on the phone from ATT + LG killing the battery ? I am shocked at how much bloat this phone has, it's over the top with bull**** apps I never want on here, pretty ridiculous.
Click to expand...
Click to collapse
I had some bad battery life initially. I found the biggest culprit of battery drain in my case was CarrierIQ. After rooting the phone and disabling the CIQ, my battery life has been great. It goes 24+ hours easily and it seems it can run 40+ hours though I haven't tried it.
Ignore the trolls...
........
ignar said:
I had some bad battery life initially. I found the biggest culprit of battery drain in my case was CarrierIQ. After rooting the phone and disabling the CIQ, my battery life has been great. It goes 24+ hours easily and it seems it can run 40+ hours though I haven't tried it.
Click to expand...
Click to collapse
same thing happened to me. First few days it was great then battery sucked. Disabled the CIQ with system tuner and I get 2 days and 5 hours screen time and still usually have 30% left
The battery life is love and hate on this phone for me. The love part is the battery life on this phone is great. The hate part is you have to turn off a lot of things to get that great battery life.
I've never had to turn this many things off to get good battery life on any other phones that I've had. I have to completely turn off anything location related which is a big bummer for me. I always like to have a clock/weather widget on my home screen but it never updates with all of the stuff that I have to turn off.
It's one of the few reasons why I'm moving to a Note 3. But when you heavily tweak the system, you can get fantastic battery life out of this phone. Good luck!
Sent from my LG-D800 using xda premium
WizeGuyDezignz said:
The battery life is love and hate on this phone for me. The love part is the battery life on this phone is great. The hate part is you have to turn off a lot of things to get that great battery life.
I've never had to turn this many things off to get good battery life on any other phones that I've had. I have to completely turn off anything location related which is a big bummer for me. I always like to have a clock/weather widget on my home screen but it never updates with all of the stuff that I have to turn off.
It's one of the few reasons why I'm moving to a Note 3. But when you heavily tweak the system, you can get fantastic battery life out of this phone. Good luck!
Sent from my LG-D800 using xda premium
Click to expand...
Click to collapse
if you only turn off the google apps location settings and keep the app location settings on you should still see good battery. I use the stock weather clock widget and it updates just fine with those settings
rquiett said:
if you only turn off the google apps location settings and keep the app location settings on you should still see good battery. I use the stock weather clock widget and it updates just fine with those settings
Click to expand...
Click to collapse
Can you please post screen shots of what you are talking about?
Sent from my LG-D800 using xda premium
[OFF TOPIC]
yet another topic's title that would detract would be buyers.
This phone has the best battery life of any phone I have ever had, stock. Even better than the Note series. Clearly user error
Battery life issues are so variable between two use scenarios it's like comparing apples and oranges. As others have said, battery life is pretty damn amazing for this phone.
Post some results from GSam battery monitor or wake lock detector to help you sort it all out.

			
				
I am still running stock, not rooted or ROM'd yet. Right now I am at 8h 29m total usage off a 100% charge this morning. Current battery life is already down to 35%, and only 2h 49m On Screen Time, and I have been on WiFi all day. I have GPS off, sync off, no e-mail or Facebook stuff installed yet.
Might as well give you a fast screen shot of mine
People with great battery life vs those with poor. Do you think its mainly settings and a good ROM or root with bloat deleted ?
Or is it hardware related ? Bad phones from factory shipping with damaged batteries or hardware ?
Sent from my LG-D800 using xda app-developers app
Battery so poor, I might return my G2 for a Galaxy S4 instead, for the removable battery.
Just shocked I'm barely getting any better battery life than my Nexus 4, which got 4h On Screen time, and over all only 12 hours usage
Do I have a bad phone ? Or just stock is screwed up and I should factory reset, or better yet, root and install CleanROM ?
Sent from my LG-D800 using xda app-developers app

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