[Q] Phone overheating - AT&T Samsung Galaxy S II Skyrocket SGH-I727

Pretty much since the summer in my car where the first accident happened my phone tends to overheat a lot(when charging and sometimes when using gps).
Yesterday while charging it in my room and playing a game the widget showed the phone at 50 degrees Celsius.
When I saw it I immediately turned it off, and took the battery out so it will cool faster, the battery didn't feel so hot tho.
So what may be the issue? defected parts? or maybe it's just the sensor? Any way of finding out?

kishke said:
Pretty much since the summer in my car where the first accident happened my phone tends to overheat a lot(when charging and sometimes when using gps).
Yesterday while charging it in my room and playing a game the widget showed the phone at 50 degrees Celsius.
When I saw it I immediately turned it off, and took the battery out so it will cool faster, the battery didn't feel so hot tho.
So what may be the issue? defected parts? or maybe it's just the sensor? Any way of finding out?
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Charging the phone makes the whole thing hot. It happened on my note all the time. Especially near the camera. Its not just you.
If it gets so hot you can't touch it anymore that's when I get scared lol
Sent from my SGH-T989 using xda premium

Usually at around 45 degrees I get a message saying the phone is too hot so the charging is being stopped.

kishke said:
Usually at around 45 degrees I get a message saying the phone is too hot so the charging is being stopped.
Click to expand...
Click to collapse
Same for me that only happened once.

Happens every time when it's hot outside, one time it happened from only using the gps.

kishke said:
Pretty much since the summer in my car where the first accident happened my phone tends to overheat a lot(when charging and sometimes when using gps).
Yesterday while charging it in my room and playing a game the widget showed the phone at 50 degrees Celsius.
When I saw it I immediately turned it off, and took the battery out so it will cool faster, the battery didn't feel so hot tho.
So what may be the issue? defected parts? or maybe it's just the sensor? Any way of finding out?
Click to expand...
Click to collapse
Have you tried stopping apps from running? Have you gotten advance task killer?
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

I'm running almost a fresh sky-ics now, I'm gonna keep it that way until tommorow and see how it goes when im driving

FOX3S15 said:
Have you tried stopping apps from running? Have you gotten advance task killer?
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
Click to expand...
Click to collapse
don't ever use task killers
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2

While on gingerbread, I never got a message about charging needs to be stopped because of overheating. But since the stock ICS 4.0.4 rogers update, I see it almost every day. I guess I'll wait & see if there's an update to 4.0.4, or for the 4.1?
Sent from, The Eclectic Chair.

kishke said:
Pretty much since the summer in my car where the first accident happened my phone tends to overheat a lot(when charging and sometimes when using gps).
Yesterday while charging it in my room and playing a game the widget showed the phone at 50 degrees Celsius.
When I saw it I immediately turned it off, and took the battery out so it will cool faster, the battery didn't feel so hot tho.
So what may be the issue? defected parts? or maybe it's just the sensor? Any way of finding out?
Click to expand...
Click to collapse
Hi, I had very similar issues...it would overheat even when NOT charging or using GPS. Of course, this only started happening once summer hit in NYC (around end of May).... I did a lot of research and this has helped me TREMENDOUSLY. YMMV, but it's something to look into.
First, I flashed a kernel hack from here: http://forum.xda-developers.com/showthread.php?t=1437563
Then I installed GideonX's battery tweak script from here: http://forum.xda-developers.com/showpost.php?p=20946429&postcount=574
Not only has the temp become more stable, I get better battery life. Of course, you're effectively under-clocking the device, but I haven't experienced any performance degradation with any system intensive apps, like games, etc....
Let me know if this works out for you! AND READ EVERYTHING BEFORE YOU FLASH!

Thanks I'll check it out although im already uc+uv. today I reached a new record for 57 degree's Celsius.
Also you linked GB kernel I'm on ics but I'm using mohans kernel.

Even my phone geys heated up... I guess it's a problem with most android phones... But actually as such there is no solution out.. Nd i guess it isn't causing much of a problem also!
Sent from my GT-S5830 using xda premium

Forgot to write..... Dude 57 degrees is a hell lot.... I guess there is a serious problem with your hardware or maybe rom or possibly kernel... U must seriously try to identity the problem!
Sent from my GT-S5830 using xda premium

Not sure if this will be at all helpful either, since it takes about 7-10 days before it shows any results, but it's worth a shot. It's a crowd-sourcing app called Carat: https://play.google.com/store/apps/...iZXJrZWxleS5jcy5hbXBsYWIuY2FyYXQuYW5kcm9pZCJd

well the 57 degrees were achieved by leaving the phone in the car in the sun with the gps on while talking to a friend outside for 15-20 mins so it's a rare occasion but it gets to 50-52 when charging+dps mid day.
Installed carat and let's see what it says, thanks.
I think my main issue is the summer here, it never overheated in the winter.

If you're driving with the phone exposed to the sun, it's going to get hot. Even larger devices that can dissipate heat better such a tablets will over heat in the sun.
I recently started running 192min 1.08max which appears to have helped slightly. I mostly did this to see how it'd affect battery life though since I haven't noticed any performance changes.
Still, if you're charging, gps, and to top it off are in direct sunlight on a hot day, any device will get hot. I don't think there's anything you can potentially do to fully solve this other than clip it onto a car vent to run air over it while out of sun's view.
Sent from my SGH-I727 using Tapatalk 2

Actually I am positioning the air conditioner to blow on the phone but the car mount blocks most of it.
I guess the phone can take the heat no prob, I'll just have to get a new battery once the heat kills it because I heard that lithium batteries are sensitive to heat above 45-50 degrees Celsius.

Related

Getting hot

Are more people having a warm / hot sensation?
I use Revolution HD, but not OC'ed!
Its getting real warm when im using the phone normal, its getting hotter when im playing a game (i understand).
When i remove the battery, and smell the part thats around the simcard im smelling the phone.
*sorry for bad English*
wesleyvdbrink said:
Are more people having a warm / hot sensation?
I use Revolution HD, but not OC'ed!
Its getting real warm when im using the phone normal, its getting hotter when im playing a game (i understand).
When i remove the battery, and smell the part thats around the simcard im smelling the phone.
*sorry for bad English*
Click to expand...
Click to collapse
you mean smell like something burnt in the phone ?
MxFadzil92 said:
you mean smell like something burnt in the phone ?
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Click to collapse
Yep
Bought the phone last friday.
*10 pieces*
What temps you have? Mine gets warm too, but not as HOT as my previous SGS2 Had to downclock it to play games.
wesleyvdbrink said:
Yep
Bought the phone last friday.
*10 pieces*
Click to expand...
Click to collapse
I got that too. But mine is on stock. My battery got to 122 degrees Fahrenheit. I was using GPS to get me to Conyers, Ga coming from Atlanta. Only 45 minutes drive and it was giving me overheating warnings on the screen. Also if you charge in the car and it's hot outside it gets like 115 degrees Fahrenheit. Not cool.
Sent from my HTC Sensation 4G using XDA App
From my experience this device can get pretty warm when it is being used intensively but I expected that given the fact that it does have a dual core processor.
Lucky im not the only one
I found this on google (where many people got a hot phone)
*#*#4636#*#*
To find out temp for battery.
Can you people please post your temps?
wesleyvdbrink said:
Lucky im not the only one
I found this on google (where many people got a hot phone)
*#*#4636#*#*
To find out temp for battery.
Can you people please post your temps?
Click to expand...
Click to collapse
Just use the T-Mobile myAccount application or download the battery widget as it gives you battert health, warnings, full and empty alerts and temperatures. Much easier, plus the widget alerts you when the phone is overheating.
Sent from my HTC Sensation 4G using XDA App
Freshly_Snipes said:
Just use the T-Mobile myAccount application or download the battery widget as it gives you battert health, warnings, full and empty alerts and temperatures. Much easier, plus the widget alerts you when the phone is overheating.
Sent from my HTC Sensation 4G using XDA App
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Click to collapse
Whats the name of the widget?
wesleyvdbrink said:
Whats the name of the widget?
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Click to collapse
It's actually called "Battery Widget". Here's what it looks like.
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That's it on the bottom. Enjoy.
Sent from my HTC Sensation 4G using XDA App
Battery temp really doesn't matter. I would like to know the temp of the processor. But without any passive cooling on a dual core processor, It's going to get pretty hot. The only thing cooling it is a sort of heat spreader. The smell is just the warm electronics smell, hell go smell the vents on your t.v.
Mine gets pretty hot as well but its not the battery. Its the lower part of the screen and when i pull the back the whole bottom part of the phone gets hot. Maybe the processor? I feel like I need an intercooler for my boosted phone
Sent from my HTC Sensation Z710e using XDA Premium App
When I had first got the phone, i laid it down on my bed while i slept. I woke up feeling like i was on fire. I touched the phone and it was super hot. Way hotter than my laptop gets. I'm surprised it didn't catch on fire. Hasn't really happened since.
Sent from my HTC Sensation 4G using XDA App
here is part of the htc response i got... load of crap really
"I understand that you are currently experiencing difficulties with back cover, WIFI and battery/heating.
In order to rectify this I would like you to perform the following actions:
In regards to the heating issue, please uninstall any application you may have downloaded from the Android Market: Menu - Settings - Applications - Manage Applications - Downloaded - Tap Application - Uninstall.
Once the above is done, please perform a soft reset by removing the battery whilst the device is still switched on. Leave the battery out for a minute. "
I left it stock and took it to work, i thought my leg had been biten by something but when i pulled out my phone i realised it was the immense heat coming from where the 4 touchscreen buttons are.... I personally think they have went to far to quickly with dual core and our hard earned dollars and pounds are being blagged...

***Post Your Battery Usage Here***

Post your real numbers of what you get chaps, it will be interesting to see what some get over others.
Over night Standby Loss=30%
Average day I get 12 hours before needing a charge.
I have
WIFI on,
GPS off
Auto Brightness
but nothing is set to sync I do it all manually.
with setcpu and juicedefender i lose about 5% over night
Jabbypants said:
Post your real numbers of what you get chaps, it will be interesting to see what some get over others.
Over night Standby Loss=30%
Average day I get 12 hours before needing a charge.
I have
WIFI on,
GPS off
Auto Brightness
but nothing is set to sync I do it all manually.
Click to expand...
Click to collapse
sounds like a big drain if you have lg vip service ( free in NL ), call lg and ask a replacement.
My first o3d was like that and the new one I lose 3-5% overnight with no TP app ( juice garbage etc )
Wifi on
Sync on
Auto brightness
GPS 0ff
Edit: main bettery user seems to be 3d gameloft games, I can get 24hours with some 3d youtube a lof wifi browsing and a 3d picture now and then
I am using a custom rom and it has gamesloft removed and lots of other stuff.
12 hours, 24 if i dont touch it
Sent from my LG-P920 using XDA App
Over night Standby Loss= 0%, some other nights I get about 4% loss, I don't know why!
Average day I get 24 hours before needing a charge, or extra one half a day, depending on the use.
I have :
WIFI off, I turn it on when I need that and I do that a lot.
GPS off.
Auto Brightness.
Sync on.
Playing Cut the rope for a while.
Taking some 2D/3D videos and pictures.
Yehaww
I get about 7-8 hours but I'm ALWAYS on my phone. Always.... normal for me
I would say I get what I need.
I have the phone from 6:40am till 10pm with 20%-10% battery left.
My use is:
WIFI all the time.
3G (data transfer) off all the time.
GPS off.
Default Brightness.
Sync on.
Playing Angry Bird, Slice Fruit and a bit of Golf 3D and listening music while going and coming back from work (2hrs journey return).
And obviously making/receiving some phone calls.
Now, lately, I've been playing a LOT of Golf 3D (got really addicted ) so from my house to my work I've lost 30%-40% battery.
When I go to my break I play another 30 minutes and the battery is already on its 40%-30%.
So basically I have to charge it at work.
During the night the phone is ALWAYS charging so I don't know how much the phone would drain.
Wifi on
Data off most of the time
Sync on
No 3d
Average time 10-14 hrs
Very dissapointed...i have to carry charger everywhere...LG software is battery unoptimized
Sent from my LG-P920 using Tapatalk
Charged 24 hours ago, lost 4% overnight. Played about 30 minutes of Myth Defense, took 7 3D photo's, two calls and three text messages and have 68% left.
Wifi on
Sync on
3G/HSDPA on
GPS off
Wifi localization on
Brightness 55%
Phone is on v10D and rooted. Got a couple of background processes like WhatsApp and battery/time/weather widgets.
The first week it was pretty bad but now I'm quite content.
You have to take into consideration that the phone has a very large screen with dualcore processor. I think the largest capacity battery you can get for this phone without drastically enlarging the casing is about 1980mAh which will give you (just an estimation) about an hour more juice. If you want the phone to last two days on one charge with normal use it would've been twice as large and a lot heavier.
I don't understand how some can get such better battery life when they use the phone more than I do.
Is it the different launchers, what do people use.
Jabbypants said:
I don't understand how some can get such better battery life when they use the phone more than I do.
Is it the different launchers, what do people use.
Click to expand...
Click to collapse
+1
I dont want to be rude but it is not possible. I have used alot of android phones and i know first hand what battery drainage is...
Sent from my LG-P920 using Tapatalk
gpou said:
+1
I dont want to be rude but it is not possible. I have used alot of android phones and i know first hand what battery drainage is...
Sent from my LG-P920 using Tapatalk
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Ahem.
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It's totally possible.
Sent from my LG-P920 using XDA Premium App
hefonthefjords said:
Ahem.
It's totally possible.
Sent from my LG-P920 using XDA Premium App
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Click to collapse
What worrys me about that is that your Android System stat says that it is using 15% were as mine says it is using 53%. That just doesn't seem normal.
My Android System is using 33% and it is the one that uses most my battery.
Look at mine...most time screen off and just a litle wifi
Sent from my LG-P920 using Tapatalk
Sorry for double post
Check my mA drainage
Sent from my LG-P920 using Tapatalk
Honestly when i look at mine i see cell standby of 53% and think that isnt normal.
In my milestone the display is always miles ahead in battery consumption by about 50% and i assumed it would be the same in all androids.
Sent from my LG-P920 using XDA Premium App
gpou said:
Sorry for double post
Check my mA drainage
View attachment 684980
Sent from my LG-P920 using Tapatalk
Click to expand...
Click to collapse
Nice app man. Im gonna check that out. My experience of battery monitors has always been that they eat more battery than they help you conserve but that one looks interesting.
There are parts on that graph that say it is consuming absolutely no power at all. That seems off likes.
Sent from my LG-P920 using XDA Premium App
gpou said:
+1
I dont want to be rude but it is not possible. I have used alot of android phones and i know first hand what battery drainage is...
Sent from my LG-P920 using Tapatalk
Click to expand...
Click to collapse
There's a difference between not wanting to be rude by questioning something or just stating something's impossible
Here ya go, after over 14 hours. The top one is RF2011 3D which I played about 5 minutes. Besides RF2011 I played just over half an hour of Wordfeud. The rest of the time the phone was in standby and as you see it still has about 70% charge. My Android System only used 3% in these 14 hours as you can see in my screenshot.

Sudden drop in battery from 65+ to 20+

I was using nav app when my phone froze for some reason (first time ever it froze). I restarted the phone n the battery fell flat from 65 something to 14. I was shocked. I restarted again n this time it came to 28. Couple restarts n it still was at 28.
Can anyone pls help me understand this.
I never had any issue with my battery whatsoever so far and find this a lil unnerving.
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Sent from my SAMSUNG-SGH-I997 using XDA App
diablo009 said:
I was using nav app when my phone froze for some reason (first time ever it froze). I restarted the phone n the battery fell flat from 65 something to 14. I was shocked. I restarted again n this time it came to 28. Couple restarts n it still was at 28.
Can anyone pls help me understand this.
I never had any issue with my battery whatsoever so far and find this a lil unnerving.
Sent from my SAMSUNG-SGH-I997 using XDA App
Click to expand...
Click to collapse
Have you looked into the battery log to see if anything in particular was drawing it? Possibly Android?
It has happened to me twice. Pulled battery for a minute or two and was good to go. No rhyme or reason and not a regular occurance. Happened on two different GB roms also so I cannot pin it down.
Good Luck....
SNadler said:
Have you looked into the battery log to see if anything in particular was drawing it? Possibly Android?
It has happened to me twice. Pulled battery for a minute or two and was good to go. No rhyme or reason and not a regular occurance. Happened on two different GB roms also so I cannot pin it down.
Good Luck....
Click to expand...
Click to collapse
Unfortunately I didn't. The next time I'll see the logs. Where do I see the battery logs?
Sent from my SAMSUNG-SGH-I997 using XDA App
diablo009 said:
Unfortunately I didn't. The next time I'll see the logs. Where do I see the battery logs?
Sent from my SAMSUNG-SGH-I997 using XDA App
Click to expand...
Click to collapse
Menu/Settings/About Phone/Battery use
SNadler said:
Menu/Settings/About Phone/Battery use
Click to expand...
Click to collapse
This I know. That's where the screenshot is from that I posted in OP. I was thinking probably like a log file.
And it there, it doesn't show anything. The pic clearly shows drop in battery level after a restart.
Our fuel gauge sometimes flakes out. Either search General for "gingerbread fuel gauge" for info on how to reset it, or just pull battery for a minute or two - that'll reset the fuel gauge.
diablo009 said:
I was using nav app when my phone froze for some reason (first time ever it froze). I restarted the phone n the battery fell flat from 65 something to 14. I was shocked. I restarted again n this time it came to 28. Couple restarts n it still was at 28.
Can anyone pls help me understand this.
I never had any issue with my battery whatsoever so far and find this a lil unnerving.
Sent from my SAMSUNG-SGH-I997 using XDA App
Click to expand...
Click to collapse
OK so take this post and i can say word for word that it happened to me.
I was fishing with a friend yesterday and while taking a photo of a great catch, my phone froze....which it has never done. I restarted and my battery was in the red, rebooted again and battery got higher but still half of what it was before the freeze. Like the OP, I had my gps on when I took the photo and had been using the navigation just before.
Recalibrated battery and does not seem to have a problem after a full day after.
Sent from my Samsung Infuse 4G - 1.6ghz
like entropy512 said - sometimes our gauge just gets thrown off.
every time i have to pull my battery (phone freeze, flashing - whatever) i generally lose at least 10%.
i have never lost as much as the OP did in one freeze... but my guess is that he just hadn't pulled the battery in quite a while, and therefore his gauge was super inaccurate.
Well, I never pulled it out ever since I got the phone until this happened. Now its back to normal
Sent from my SAMSUNG-SGH-I997 using XDA App
Yeah and i recalibrate my battery regularly.... So it wasn't a "fuel gauge" issue....
Even still, the point was that whatever happened was caused by the gps and/or navigation...
Sent from my Samsung Infuse 4G - 1.6ghz
SSJ_Gomike said:
Yeah and i recalibrate my battery regularly.... So it wasn't a "fuel gauge" issue....
Even still, the point was that whatever happened was caused by the gps and/or navigation...
Sent from my Samsung Infuse 4G - 1.6ghz
Click to expand...
Click to collapse
Recalibrate? How? I am sensing that you don't understand how our fuel gauge works if you tried to apply a recalibration technique for an HTC phone to our device. This is a classic fuel gauge flakeout. It will just decide to go bonkers for some people unpredictably, I haven't figured out why.
On our devices, battery pull = recalibration - that's it. There's a software shortcut and it is NOT to wipe battery stats, search for "gingerbread fuel gauge".
SSJ_Gomike said:
Even still, the point was that whatever happened was caused by the gps and/or navigation...
Sent from my Samsung Infuse 4G - 1.6ghz
Click to expand...
Click to collapse
I have no option but to agree, though partially... cos this happened after the phone froze up when using navigation. So looks like its got something to do with that.
I don't think the app wud use up battery from 65 to 14 within 2-3 mins. It froze within 2 mins of starting nav from maps, and I rebooted the phone using the power n volume keys.
My guess is more likely an I2C bus freeze or some other weird low-level thing borked up the fuel gauge chip - the CPU hanging in the middle of a gauge read operation might do something funky like that.
Navigation can do NOTHING to touch our fuel gauge chip, nor can anything drain the battery fast. Also, as you see, the battery estimate started going upwards after the "jump", which is a clear sign that the fuel gauge wacked out.
If it happens again - check the battery voltage. If raw voltage stays high and SOC goes low, your battery didn't discharge, it's just being misreported and a battery pull or SOC reset (Note, this is NOT wiping battery stats - if you haven't found my gingerbread fuel gauge thread in search, just do a battery pull) will fix things.

[q] why does mobile data cause so much heat!!?

So i relised that when i habe. Mobole data enabled and im browsing the web my phone gets really hot 44C when i have wifi on my phoke doesnt go past 35! Battery drain using mobile data is awful to... Any ideas why?
Sent from my HTC Sensation XE with Beats Audio
+1 on this..weird.
Mine also on mobile get as high 47c, while wifi only 34.6c
;(
Sent from my HTC Sensation Z710e using XDA App
I want this to be somehow fixed i hate the feel of it when its hot!! Causes my battery to drain more to
The phone getting hot doesn't drain your battery more... the fact that mobile data uses more power than wifi makes your battery drain more. That is also the reason for it getting warm... nearly every smartphone I have had with 3G has done this. Normal.
My dhd never got hot when using mobile data
Sent from my HTC Sensation XE with Beats Audio
Neither did my Hero.
This sucks. My Sensation apparently can only browse the Internet using mobile data for 2.5 hours before the battery dies. I'm pretty sure that's not the case for the SGSII either
My sensation gets pretty hot to, but that wouldnt be such a problem if the batterylife would be good. At the moment my battery drains about 8%/hour when it's idle... so i have 12,5 hours stanby time! that sucks -.- I'm gonna get a Anker battery soon and hope it's gonna get better with that...
Sent from my Sensation using XDA App
torken said:
My sensation gets pretty hot to, but that wouldnt be such a problem if the batterylife would be good. At the moment my battery drains about 8%/hour when it's idle... so i have 12,5 hours stanby time! that sucks -.- I'm gonna get a Anker battery soon and hope it's gonna get better with that...
Sent from my Sensation using XDA App
Click to expand...
Click to collapse
If you get 8%/hour drain while idle, and truly idle (i.e. your phone is truly in sleep mode) then you've a faulty model - bring it back
See my post http://forum.xda-developers.com/showpost.php?p=16582630&postcount=30
manuelkuhs said:
If you get 8%/hour drain while idle, and truly idle (i.e. your phone is truly in sleep mode) then you've a faulty model - bring it back
See my post http://forum.xda-developers.com/showpost.php?p=16582630&postcount=30
Click to expand...
Click to collapse
Well i don't know how it was with the stock rom and anything. And i don't have any longtime informations with custom roms, kernels and so on, because i just recently flashed a cr.
But today I unplugged it at 8:30am and it had 100% at 10:30 it had 84% and now it has 70% and from 8:30 to 10:30 i was only on facebook and surfed a little for maybe 10 minutes or so :S
Now I flashed Bricked Kernle v.1.5 i hope that its gonna be better with that.
torken said:
Well i don't know how it was with the stock rom and anything. And i don't have any longtime informations with custom roms, kernels and so on, because i just recently flashed a cr.
But today I unplugged it at 8:30am and it had 100% at 10:30 it had 84% and now it has 70% and from 8:30 to 10:30 i was only on facebook and surfed a little for maybe 10 minutes or so :S
Now I flashed Bricked Kernle v.1.5 i hope that its gonna be better with that.
Click to expand...
Click to collapse
Do you know if you're phone is actually sleeping when the screen is off? To check, go Settings - About Phone - Battery. Here you can see Up & Awake Time, but to see more accurately, click on Battery Use, then click on the graph. Look at the Awake bars and make sure they correspond to the Screen On bars.
The screen on/off and active bar are almost identical. There are some little tiny active times when the screen is off, but thats probably some syncing...
As you can see here:
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Sent from my Sensation using XDA App
I think almost every sensation phone users is facing the problem too...including me.
I really hate it when my phone gets heated up and when i put it in my pocket it feels like a boiled egg inside.
torken said:
The screen on/off and active bar are almost identical. There are some little tiny active times when the screen is off, but thats probably some syncing...
As you can see here:
Sent from my Sensation using XDA App
Click to expand...
Click to collapse
Faulty model, return it! On (real) standby (which the image shows you have) you should get only 1-2% battery drain, even on Sensation
TransporterxJ said:
I think almost every sensation phone users is facing the problem too...including me.
I really hate it when my phone gets heated up and when i put it in my pocket it feels like a boiled egg inside.
Click to expand...
Click to collapse
Don't think that's true.
For one, there was a few weeks when my phone did not heat up like crazy from normal usage and I could make it last 2 days. Then one day it started heating up like crazy... also plenty people report 2 days battery on moderate usage with Sensation - i.e. no crazy battery drain.
Could it be that my phone is alright and only the battery is faulty? It would suck to return it -.-
It's not a faulty model. There are no known issues with standby drain on any sensation.
Notice the image shows times with poor signal too. Additionally he may have auto sync handling too many accounts.
It's getting better with the ROM I'm using at the moment and i orderd a Anker battery. I hope it's gonna get even better with that beauty
I can't explain any facts, but I really don't think slightly higher battery drain is because of a faulty phone. I've owned two Androids and tinkered extensively with many, many others. Most Android phones seem to be awake similarly to that one user's battery graph. It's normal.

Android OS battery use in ICS

I've tried just about every ICS ROM out there and every time I notice that Android OS tops the battery use graph. It's reporting more than screen use!
Is there a reason for this, and does anyone know a solution?
Sent from my SNES
*points at Google* its a known bug, hence they stopped roll out of ics.
Sent from my ice cream powered Nexus S
Good to know, hopefully our awesome devs will be able to put it to bed.
Sent from my SNES
concur!
well i'm using onecosmic's ics rom and it's fantastic, but i found it weird that my Android OS process was almost doubling my display usage.
I´m using AOSP+ Rom with Speedy-3 Kernel. It´s the same that Android OS alwaly stands on top of the "usage-List" but battery life is normally about 1,5 - 2 days with normal use.
Yeah, I've started to realise it's a problem with the graph, not the actual usage. Battery lasts just as long as on ginger bread.
Sent from my SNES
bedalus said:
Yeah, I've started to realise it's a problem with the graph, not the actual usage. Battery lasts just as long as on ginger bread.
Sent from my SNES
Click to expand...
Click to collapse
Oh really? I'm getting slightly less battery now than I ever have on any ohter custom ROM, and I don't think it's because ICS is less efficient.
I don't think my phone is sleeping properly, as I'm losing about 3% an hour with my phone off, nothing going on except for the usual google syncs, which i've always had on on any rom.
Total I'm getting about 12-13 hours, and it's not my display topping off usage, but android OS. My keep awake times seem pretty ridiculous given that they're always greater than the culmunative time spent out of deepsleep (according to cpu spy)
which kernel are you guys using?
bedalus said:
Yeah, I've started to realise it's a problem with the graph, not the actual usage. Battery lasts just as long as on ginger bread.
Sent from my SNES
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I doubt it, the battery life is a good 5-7 hours less than GB with the same usage. the android OS is definitely preventing it from sleeping properly. GB would barely loose 5-7% during an idle of about 7-8 hours, now i loose close to 20%+
I've been using oICS v43 and Steve's Awesome Sauce kernel (aosp linked it from here: http://forum.xda-developers.com/show...64221&page=503). I was able to get 17hrs of battery with medium-heavy use (Netflix, Droid TV Prime Time, Browsing, File Downloading, Texting, Couple Calls, and Wifi Always On). If I let it run without using it, I'm looking at 60+ hrs of battery life.
I'm trying Matrix v14 right now. Will let you know results.
Tested it with cpu spy, cleared all timers and left my phone 10 hours over night. On settings the os was on top but cpu spy said my phone was in deep idle 9.5h of 10. I got updates for weather every hour and a bad wireless signal so that COULD take 30 min of awake considering it also have to get my location.
Im soooo trusting cpu spy over the standard battery history so I also belive it could be a log problem instead of a real awake bug.
I got aosp+2.2 and speedy3
Sent from my Nexus S using XDA App
andrei.voinea93 said:
Tested it with cpu spy, cleared all timers and left my phone 10 hours over night. On settings the os was on top but cpu spy said my phone was in deep idle 9.5h of 10. I got updates for weather every hour and a bad wireless signal so that COULD take 30 min of awake considering it also have to get my location.
Im soooo trusting cpu spy over the standard battery history so I also belive it could be a log problem instead of a real awake bug.
I got aosp+2.2 and speedy3
Sent from my Nexus S using XDA App
Click to expand...
Click to collapse
I do agree with you. Similar behaviour with my NS. That Android OS consumption even higher than my Screen, yet I still manage to clocked 24-30h with my moderate usage.
* I use full ROM instead of Update one.
I'm not sure if people are not using their phones, but I'm already at half battery life and I just unplugged less than 5 hours ago. I'm on eugene's kernel and tried Matrix's as well, both haven't help along with the oICSv43. I've been closing out my programs after I opened them too. I just bought the phone/battery off ebay, the battery is a samsung and it was in a sealed plastic bag, so it should be brand new, but I could be wrong.
I'm almost ready to go back to stock.
You dont have to be a genious to seal a plastic bag. If the seller was ebay trusted then it should be good and you should look somewhere else. For me for ex, low brightness using loggraph improves battery more than any kernel.
Sent from my Nexus S using XDA App
I'll try that as well. Should I try a different rom before I go back to stock?
Peter alfonso or aosp+ with deepidle kernel. Thats the advice you hear everywhere
Sent from my Nexus S using XDA App
andrei.voinea93 said:
Peter alfonso or aosp+ with deepidle kernel. Thats the advice you hear everywhere
Sent from my Nexus S using XDA App
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Click to collapse
I never heard of these roms, I'm on Sprint.
With My Xoom, when I had honeycomb installed with Airplane Mode enabled I could easily leave the Xoom on my counter for a couple of weeks and I would still have a 20-30% of battery power.
Since I installed the EOS Nightly ICS build the tablet eats up 30% of battery power after only 4 hours even on Airplane mode.
Something is definitely amiss here.
technogravy said:
I doubt it, the battery life is a good 5-7 hours less than GB with the same usage. the android OS is definitely preventing it from sleeping properly. GB would barely loose 5-7% during an idle of about 7-8 hours, now i loose close to 20%+
Click to expand...
Click to collapse
Sorry, got to disagree with you there. With wifi never asleep, overnight my phone drained 5% in 10 hours. This is about double what i got with gingerbread. I never use deep idle, which is more for people who use their phones with the screen off, e.g. listening to music, downloading torrents.
See here for kernel benchmarks:
http://forum.xda-developers.com/showthread.php?t=1441905
Sent from my SNES
I've also posted this elsewhere, but AOKP m2, Steve Garon's latest kernel, extremely high android os:
24hrs, 4hrs screen on.
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If you don't have screen auto-rotation turned off already then give it a try.
It helps for me.

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