yashsingh1/xdaforums huggingface dataset:
[Galaxy S II General] SBS_:
Seems like something is not quite right indeed. I drove around with the phone at 100% brightness (sunny day), plugged into 1A car charger and not in airplane mode and using Sygic to guide me around for a couple of hours. What surprised me the most was that it _didn't_ get hot at all and this was with it mounted in the sun as well.

I have noticed that some games and programs make it get a little hot though, but I'm pretty sure it's just bad programming making it run at 100% for every millisecond, which with this phone is not neccesary at all.
[Galaxy S II General] SBS_:
So what you're really saing is that you won't be buying a new phone at all... Any new smartphone with a big screen can be drained in 4 hours, easy.
[Galaxy S II General] Nietzschean:
What I'm saying is that I'm not spending 500+€ on something that realisticly speaking has no practical use whatsoever. Apparantly, the moment you do anything with it that would go beyond the functionality of my 3 year old nokia, it's dead in the water, so I don't see the point.

I can't imagine going to work on a friday morning and not being able to have a fully functioning phone when I get home on saturday morning without having had to muck around with extra batteries or a charger within that timeframe. There is no point in added functionalities if you can't use them. What good is having a phone that you can browse with in theory but not in practice if you want to be able to make a phone call by noon.

I have no problem in acknowledging the fact that apparantly some people do not have a problem with carrying around extra batteries or a charger everywhere they go, all the best to them, but to me that's utterly absurd and means that it's a liability in terms of functionality that I can't imagine putting up with.
[Galaxy S II General] intruda119:
I make it during the day with 100% brightness. I consider myself an a heavy user.

Ill show my usual day after the new factor wore off.

Unplug at 630-7am

Start my music through Poweramp around 9am at work.(20 gigs of music)

about 20 text/ 30min total of calls

20 or so emails with some attachments

Usually download about 200mb of music/videos throuhout day

Check about 10-15 websites every couple hours(xda app most frequently)

Use Logmein about 10-15min total

Play LIVE holdem Poker roughly 30min total

Youtube/video watching

Some other random things I cant remember

3g/h+ on all day

wifi stays on

brightness at 100%(bright orange/blue wallpaper)

Browser brightness is at 50%

Everyones experience will be different. My original Samsung galaxy s(vibrant) would be dead around 5-6pm. My Galaxy s2 is around 40-50% around 5-6pm. Im experienceing great battery life. My fiance iphone4 would kill my vibrant in battery life, but the sgs2 is on par.
[Galaxy S II General] CEPi:
The issue is that a lot of people burned hard cash here just to have the newest phone, that even if it doesn't do basic things properly they will still say it's acceptable and this and that and try to knock you down for criticizing the phone, and I've been there myself with many new gadgets.

Problem is Android appears to be still making it's first baby steps (got out of infancy a few months ago) and it's the toy of the supremely smart coders here to fill the voids with their apps and skills, but generally it could be the fastest selling smartphone OS currently but that's purely due to iperator subsidy and war with Iphone. It is still not a coherent ecosystem, far away from WM or IOS, for normal users.

I bought it as a purely test bed for Home Automation apps that i work on and i'm going to keep it as it will not be my daily phone, but commenting on usual first few days use, does not assume the need to be bashed here, just because your battery works ok.

You can't just slap a massive screen on it and run away with all the missing pieces that users expect now from so called leader of integration, IOS.

(sorry for the rant)
[Galaxy S II General] SBS_:
You can use all those features and still have it last a day, you're just taking a doomsday approach to the battery life.

You can easily browse the net for 2 hours, play some games, make phone calls/text/emails etc, listen to music and still have juice left in the morning if that is your biggest worry.

I would recommend charging the phone every day if you're a medium/heavy user though. If you're gonna surf on your phone for several hours each day at work I wouldn't hire you at least ;)

You could say that people are defending their buy and some probably are, but really, €500 isn't that big a deal if you actually have a job. I'm posting here because it confuses me when people say things like "oh the battery only lasts 2 hours, have to lug around 4 chargers and 13 batteries" when I get at least 12 hours of _heavy_ use out of the phone.

You might say I'm defending it, but if I wasn't happy I would just buy another high-end phone to play with, easy as that.
[Galaxy S II General] CEPi:
Yes, your rich, we get it (must be oil & high taxes, totally irrelevant to the issue), but most people save money for quite some time for this, and blowing 500 euro and countless hours on fixing mediocre issues is nothing to shout about. And it's not just for the money, but it's the expectation that you have from that device that you waited and saved for some time.

Also silly props and positive things in the forums of any device are to be taken with a hefty dose of salt before you make a decision. Don;t forget many people from not so rich countries buy phones based on internet reviews of those phones, as those devices are not available in their countries and they will probably see it first time when it arrives at their door.
[Galaxy S II General] Nietzschean:
Working in Brussels, I have a 2.5+ hour commute every day, which is the reason why I'd make the switch from a reliable messaging/phone call phone that I have now to what I'd expect to be an equally reliable messaging/phone call/music/browsing phone.

I can't be bothered with carrying around spare batteries and sitting in a pub or at work or whatever having to switch them to be able to use my phone for a full day (seriously, how sad is that). Apparantly it's me, but discovering that I can't make a phone call on a saturday morning because I didn't recharge in between then and friday morning and did some browsing on my way from work (the reason I'd get it in the first place, what would otherwise be the point of having it) is unacceptable. I don't have the time to go home for several hours to charge my phone before I go out when coming from work and don't intend to have a phone take up that kind of high maintenance in my day to day life. It's a phone.

So basicly, reliability of being able to call and make it through a full day without having to "be careful" and what not is a huge issue for me - which, contrary to the reviews I read everywhere, is a functionality that this phone does not seem to offer based on actual customer experiences.

I'm not a tech/gadget guy at all, I'm guessing my Nokia E51 would give that away, so I honestly had no idea that apparantly this kind of battery life is considered normal - the stuff which I'm reading here had never even crossed my mind as being acceptable to people in this day and age and for that kind of money. This assumption was based on what I see from my friends who have iphones (which I don't care for) and the reviews I read on some sites (techradar being one of them) and saw on youtube.

I only came across xda today and am a bit flabbergasted by what I'm seeing tbh.
[Galaxy S II General] CEPi:
Welcome to smartphone world, where they are not phones anymore but miniature computers to be flashed around :)

Still have a Nokia e61i and it outlives on battery any smartphone currently.
[Galaxy S II General] RogerPodacter:
What's funny is the guy said the iPhone 4 drained in 4 hours and the galaxy s2 in like 3 hours or whatever. Those are not too far apart.
[Galaxy S II General] SBS_:
Think what you like, I can honestly say I haven't spent a minute fixing any issues with this phone. I have tested it quite a bit though and written about my experiences on this forum and I've also had smartphones for many years and always done my research so I know what it is I'm actually buying.

If you want a smartphone with a screen-on time of over 10 hours on full brightness, then sorry, it doesn't exist and probably won't for many years to come. I read the reviews, watched the videos and bought it from the UK before it was out here in Norway and knew exactly what I was getting before it arrived in a neat little package.

I believe it's important to be an informed customer (and these forums are part of that to be sure) and it's also important to know the status quo of whatever type of tech you're buying. Complaining that batteries doesn't last for several days with heavy usage on smartphones is the same as complaining that the first LCD-screens were a load of crap or that the first digital consumer cameras took lousy pictures

And no, I'm not rich, but I stand by what I said (Well meant anways) that phones are relatively inexpensive compared to laptops, desktop computers, cameras, tvs (comparing high-end to high-end ofc)
[Galaxy S II General] Nietzschean:
Well, as I said before, I would never get an iphone. However, as far as I can tell from my friends I don't think that 4 hours is representative for iphones at all. A guy who has one was along for a weekend trip a while ago and didn't recharge his phone while there, even though people were constantly asking him to google stuff or check their facebooks.

By the way, 4 hours is 33% more than 3 hours, I call anything above 5% a reasonable difference. But that's not the point :)
[Galaxy S II General] Nietzschean:
from what i'm reading here, people are mostly complaining that they don't last for 1 day with everything turned off.
[Galaxy S II General] SBS_:
4 hours is not representative of any phone. In the case of the SGSII it's 3-4 hours of 100% brightness and the screen on every second of that time (which isn't likely unless you're watching 2 movies in a row). Which would drain any relatively new phone with a screen above 3".

With everything turned off and not used it should last for several days. If people say they don't get a day out of the phone while not even using it, they are either a) lying b) have a faulty phone or c) have a rogue app/bug draining their battery. With constant syncing (either push or every 15 mins) of probably 10 sources I get a battery drain of 1-3% per hour while the phone is idle.
[Galaxy S II General] Nietzschean:
Do I understand correctly that according to you this phone is perfectly capable of say unplugging at 7am, sending and receiving a few text messages and perhaps make a few short calls during the day, combined with 1.5-2hours of web browsing (predominantely reading newspapers, combined with some random surfing/wikipedia and some youtube) and make it to 7am the following morning with plenty of battery to spare to have a buffer for unexpected needs during the previous day/night?
[Galaxy S II General] SBS_:
From my experience I would say almost. On a day to day basis my usage is pretty similar except in addition I sync as mentioned from multiple sources every 15 mins and I stream music over a pretty bad 3g signal for about 3.5 hours each day (pretty heavy on the battery). The phone then lasts 16-17 hours.
[Galaxy S II General] DopyG:
Okay guys you are obviously scaring me off here.

I was going to order this, but now I think I'll forget it lol

Some of you scare me so much that I no longer knows if its hyperbolism or real. I think Poe's law kick in here.

Seriously I am on a iPhone 4 right now and can easely get 42 hours on 1 charge with 50 % brightness, GPS turned off (after that 4.3.3 fix it helps ALOT) and beside that HEAVY use.

Now I am not the kind of guy who wants extremely battery times I just want it to survive atleast 24 hours on semi heavy use.

After all like someone states here a device like this is exspensive and not everyone of us can buy new phones all the time. Stuff like this means alot for us.

P.S.

Should I go for the Nexus S instead?
[Galaxy S II General] intruda119:
I get great battery life. My heavy use is between 9-5/6pm when im at work. I come home with 40-50% everyday. Thats with 100% brightness(50%in browser) 3g/h+ on all day(4 bars). Understand that some of this is user error.
[Galaxy S II General] ph00ny:
I think you should get a nexus s instead

so that i can get a second one. I dropped mine yesterday and it's got a nick on the corner...
[Galaxy S II General] BarryH_GEG:
I'll get about 14 hours today. That's just a little less than my ex-G2X which was also a dual-core phone. If I stay in the range of 14-16 hours I'll be satisfied. With some charging during the day, it'll keep up with my typical day. I'll get some spare batteries for when I'm traveling which should pretty much keep me covered power consumption wise. For those of us that are anti-iPhone, our choices are Android, BlackBerry, and Windows (I don't count Symbian and WebOS). I haven't kept up with BlackBerry and Windows, do they perform much better than Android battery wise?
[Galaxy S II General] leedavis:
I've installed JuiceDefender, but I'm not convinced it's actually improving battery life, just removing some functionality. Anyone rate JuiceDefender?
[Galaxy S II General] szpic:
charged till 100% 10pm

then 1 hours of wifi.

then i went sleep

5am -> telephone dead.

battery usage:

system android 61%

system android 19%

screen 12%

network etc 6%

polaris office ( never used) 3%

wtf?
[Galaxy S II General] blackheart2925:
Blackberry performs like a champ...am running a hybrid BBOS 5.0 on my office 8900 and am a very heavy user of email and calls...con calls and talking to customer and internal people...and the battery lasts me from morning 0630 till 0800 in the evening or more...i get to the red battery signal rarely....as a work phone nothing can beat a QWERTY BB...ofcourse for entertainment purpose or for doing anything interesting, it sucks BIG TIME...Android is way more versatile and fun...

for work i.e. email and phone calls, the blackberry rocks...no other touchphone with same 1500mAh battery is yet to match my work phone..maybe the iPhone 4 will but am not interested in over priced and over hyped apple crap!

Frankly my battery expectation is that it should last me for 8-9 hrs...beyond that anything is get from an Android phone is extra :-)
[Galaxy S II General] jangomango:
Dudes.. Help please.. Cant get my display usage down under 75% with everything off.. No live wallpaper.. Everything set to lowest.. Any clues??
[Galaxy S II General] simsl:
Stop compare iphone4 with SGS2. When u open ip4 up u will see that the batt took up half the space. SGS2 max only 1/6 of the internal volume. Super AMOLED is the best power saving & beautiful screen, try my SNS on Super LCD, 12hrs max
[Galaxy S II General] pahardie:
I'm actually pretty impressed with battery life. I'd never get this kinda time out of my nexus 1. 2Days now of fairly decent use just dipped below 30%. Give it a week or so of charging and battery life gets better. I tend to loose around 3% over night (8hours) so stand by time is great.
[Galaxy S II General] delitero:
I think android users are the main reason for such a low battery life, from my forum readings most of them compare the phone with HTC Desire(i heard the battery is even worse). Im coming to android from an iphone 4 and don't get me wrong i love the phone over the iphone in any way but having to charge it twice a day makes all its features just useless. Im just hoping that this is an optimization problem and that will be fixed any time soon.
[Galaxy S II General] mosd:
what kind of functionality do you lose?
[Galaxy S II General] Nietzschean:
I wouldn't say that's almost. I leave for work around 7:00, so from what you're saying it'll drop dead at 11pm. That doesn't come anywhere near what I need, it should *easily* last untill 7am at least to be worth anything to me.

Thanks for the info though.

I just hope I can recuperate my 100€ one way or another. Lesson well learned though, I'm never going by non-user reviews again.
[Galaxy S II General] leedavis:
Real-time email, twitter, Facebook notification. It only turns the radios on every 15 minutes. If their sync internval doesn't coincide, they don't update and push only works every 15 minutes. Not really push...
[Galaxy S II General] danmc17:
On the original firmware I found the battery life to be superb. When I put KE2 on it massively took a hit. So I put the original back on. Just updated to ke7 so we'll see low that fares. Phone does seem speedier thus far
[Galaxy S II General] SBS_:
Yeah it's going to be dead by 11pm, but that's with much heavier drain on the battery than you describe. Saw btw that Samsung is releasing a 1300mAh clip on battery pack, giving it a total of 3000mAh, should be enough for even the most demanding road warriors :p

But you're right, it's probably never smart to be an early adopter of, well, anything :)
[Galaxy S II General] Nietzschean:
Just a quick update: went to cancel my order an hour ago and got my money back, cash, without any problems.

I guess I'll start searching for something else - best of luck to you guys and thanks for the info :)
[Galaxy S II General] DopyG:
Dude don't look for something else yet. Do like I do. Wait a months time maybe and see if its a software bug that Samsung can fix. If not try something else.
[Galaxy S II General] Nietzschean:
Thought so as well for a moment but I'm guessing they're unlikely to add 50% to the battery life. Which is sad, because I was blown away by the phone - untill i saw the battery life.
[Galaxy S II General] kreoXDA:
are you just trolling here? where did you "see battery life"?

It is a freaking dual core multitasking mini computer.

It easily gets me one day (between my overnight sleeps, 15-20 hours) of moderate use.

And I used to charge twice a day the first week I had it!

Just understand what your needs are and what you have the phone running for you, and make some adjustments.

If you are unable to do this, go buy an iPhone - that one comes with everything pre-decided and preset for you.
[Galaxy S II General] killersloth:
If you are a bum and can't plug in your phone, just go get your nokia back. Lol. I dont really mind the battery drains, because most of the time its my own fault. But with android you can get battery drains super low with undervolt kernels and such :D

Sent from the sky using Tapatalk
[Galaxy S II General] dinan:
You're gonna see about 5 hours of display time per charge depending on network signal and your push/pull settings as well. If you can manage to keep the phone asleep while it's actually asleep, the idle battery draw will be very small.

If you use the phone for 5 hours in a work day... I think your boss would be quite angry at you =)
[Galaxy S II General] stoney73:
Wow, chip on shoulder much? If the money means so much to you, perhaps you should be spending it on something else?

Do you understand that even the erm, 'rich' people probably hadn't seen the phone before they bought. Most ppl have only read reviews,etc before buying.

Regarding the alleged battery issue, my phones lasts me around 19-23hrs, and im not a light user. Which considering that i sleep around 4-5 hours nightly(insomnia),suits me fine.

Its your choice what to think, just dont come here trying to negate our own experiences with the phone. If you dont like the phone/comments, try not to let the door smack your backside on the way out.
[Galaxy S II General] emorej:
agree i get battery life of same as you max i got was 29hrs..minimum was 18hrs
[Galaxy S II General] stoney73:
Tbg, 4.3 fits my hands just fine, then again earlier this year i was using a dell streak. Not like i have huge hands either.

Tbh, there isnt really much you seem to like about the gs2, is there?

I have my screen on 40% brightness, i can see everything on the screen just fine. Are you needing glasses?

Going by your logic, we should all be driving our cars flatout all the time.

Oddly enough, i consider myself to be normal, and use my phone for normal things. Im not a dev by any stretch of rhe imagination

Sent from my veld skoene
[Galaxy S II General] CEPi:
Let's not generalize, of course i like, i like the platform, the framework, dev. community is superb, it's light, barely noticeable in the shirt pocket, superb screen etc, definitely not something to fall in love with a piece of plastic, large gaps between body/glass full of dust, just a superb phone being dragged down by battery.

And, no the analogy with the car doesn't hold as other phones much older, do the same work and don't die with a charger hooked to them.

Probably a good market for third party extra thick batteries.

And what's with the emotional attachment to the phone? Feeling bad of what i sad? I didn't make anything up, just a technical observation, and that for 90% of users will never be in that situation.

We're discussing battery quality comparable to the power/usage of available HW, not SGS2 quality or usability.
[Galaxy S II General] Barff1984:
that's normal. Navigation will drain the battery more than the car charger will pump juice into the phone....best thing you could do is to get a converter and use ac charger instead. Or..like many of us...just deal with it
[Galaxy S II General] CEPi:
Please don't post for the sake of posting. Read the post properly. I don't have to deal with it, it's all day in charger doing other things. Today was a battery punishment day.

And no, the Navigation on SGS2 will drain the battery faster then the charger can charge, not on many other phones. That doesn't make the SGS2 a bad phone, just with a not so good battery, Simple.

Don't derail the thread with love/hate/deal with it stuff as it's a level above that.
[Galaxy S II General] stoney73:
Edit: just reread earlier post. Bum-door-smack. Was no need for it on my part.

Tbh, im pretty happy with it,( though my fave device at present is still my tab, if i lost/bricked my tab, i think i would cry lol) but its just a phone to me. Like you said, light and barely noticable. Unlike the tab(yes, i did use it as my phone, stop laughing lol) or even the streak i used have(yes, this phone feels small), at long last i dont have to wear cargo pants just so i can carry a phone around with me. But its just a phone. It doesnt 'feel' special?

On topic, its a saturday night, im off out.
[Galaxy S II General] Mittaa:
Hi

One hour trip with navigation using standard Samsung car charger.

Screen brightness around 30-40% ... battery up +6% :)

BTW the most important reason for me to buy SGS2 was the screen and its fantastic ... now I can use it outside even in sunlight!

Have to live with dust along edges
[Galaxy S II General] BarryH_GEG:
What a bizarre turn this thread's taken. People buy iPhone's for there own set of reasons. Same thing for BlackBerry, Symbian, Windows, and even WebOS. Each has its strengths and weaknesses. As we all moan about battery life, in the same breath we talk excitedly about four-core processors and Wi-Fi Direct. When I moved off of Windows Mobile I could have picked any OS. I chose Android knowing it was immature and had its faults (which I researched). I'm still good with my decision but if battery life was my number one criteria I would have picked another OS or stuck with a more modest and less power-hungry single-core Android phone. Looking only at the faults of an OS without taking in to account the concessions one would have to make on another is nonsensical.
[Galaxy S II General] DopyG:
Man the more I read in this thread the more I regret even considering this phone.

First I red the Engadget article and I was like: "Man this sounds great! Its obviously my next phone!"

But after following this thread you guys just burst my bubble. Thanks for **** XDA/XDA trolls.