Over heating - Galaxy S II Q&A, Help & Troubleshooting

my galaxy s2 get heated when i play any game for 15 min i feel lot of heat around the camera and form the screen is it normal
if no then any solution please

NOMIOMI said:
my galaxy s2 get heated when i play any game for 15 min i feel lot of heat around the camera and form the screen is it normal
if no then any solution please
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Click to collapse
Hey,
yeah sadly it generally normal.
Especially I recognized it on days I was on MIUI, that it get faster hot,
then on normal custom roms, but maybe just an impression.
To work against it u must change the voltage settings.
U can download "voltage control" from market and set the second bar from
1200 to 1000 or 800 and it shouldn't get so hot or at least not so far.
BUT like I said it's one of the worst point of SGS II (every, also best things,
have a little bad point)
CHEERS

Look at your computer, do you see/hear/feel fans? Yes. Whys that? Because running electricity through wires, PCB, processors etc produces heat. It will do that until technology moves on. Yes of course heat is normal, but there are ways to minimize it like using lower frequencies, occasionally dowsing your phone in liquid nitrogen or improvising a small ventilation grid to carve into the back of your phone (avoiding important components like the CPU itself).

Related

Battery drain+Heat=Wifi+Stock Browser, please read

Hello again dear xda members
I've been using S II for over 2 weeks now! I get the following(which many of you do get also). When I turn on WiFi and start surfing, the phone starts to overheat and battery is drained like a juice.
Well, after a long study, I've found out that it's the stock browser's fault!
Yeah! I opened WiFi, surfed a little and it started to heat up! Well, I was trying to download something, and since stock sucks at downloading( except if you add to it an app from the market called Downloadfiles) I opened DolphinHD!!
What I saw, or felt-whatever-, was just
After 5 minutes, the phone cooled down, temperature became normal and of course battery was less consumed!
So, to all people who have heat issues, it turns out(at least in my humble opinion) that it's the stock browser's fault!!!
Any thoughts anyone? Similar experiences?
I've been using it for 10 days and experienced no such overheating, but battery time should be much better.
Sent from my GT-I9100 using XDA Premium App
Really? It doesn't overheat never? even not when playing games?
I thought mine was faulty, but I went to couple of stores where they have it open for customers to play with, and I did the same as mine and it started to heat up!
Mine heats up a bit after playing a game or running a certain app for a while, but I never experience overheating with the stock browser. Though you should take in to consideration that the GS2 is a thin device, the CPU is close to your hands. Most phones also have to exessivly keep searching for connections because it is weak or something is blocking its way. The transmitting/receiving device is located at the top along with the CPU so it'll tend to get hot. Most smartphones do overall.
Also, the phone gets hotter while using it connected to a charger just because the battery is filling up the same time you are using it. Also, take in to consideration that no patch for true dualcore support has yet been released nor announced. Just some factors why the phone heats up.
thanks man!
Well, heating up is normal-as far as I read in here-... But when using Stock Browser, I'm talking about overheat! really! I believe it's a bug, since as said, nor Firefox, Dolphin and Skyfire(I use all of them) produce that issue! And I disabled flash content(thought that might make it better) but it was the same! Don't know!
Anyways, thanks for answering!
OVer wifi I have no problems. Over 3G is another story! and playing games is another story. It warms up every 5 minutes while playing games.
Yours too huh? well, mine does that on WiFi!
What is Overheating? How do you know it is overheating unless you know the temperature of the battery? Well OP and other posters who are saying the phone gets overheated please mention the temperature of it. The ambient temp of Europe/USA is 20-25°C Max, and if the device runs even cool then it will have temp around 30-32°C, that is much higher than the ambient temp and probably that's why you guys are feeling the phone is overheating but in fact it's not. Here in Calcutta, ambient is 32-33°C and the Phone temp in normal is the same, so we/I don't feel it's overheating, only when I surf net for an hour straight with charging then the temp rises up to 44-45°C, that's when it could be said that the phone is running on high temp, still for the hardware we are given 45°C is not hot.
So before saying the phone is overheating please check the battery temp.
Regards.
how do I measure battery temperature?
Ok, Battery life widget?
I'll measure then I'll let you know!
There is a reason stock browser uses more battery and heats more. It uses GPU to render pages more quickly! But for me even on stock it is not that hot, more than on other phones, but thats what you get for a thin phone.
Maybe somone will test battery life with stock+GPU and dolphin browser with no GPU. Maybe the difference is not that big at all, maybe just GPU heats more than CPU but uses same battery.
now let's not forget android doesn't have graphics acceleration, and without it the GPU has to work harder which generates more heat
Sent from my GT-I9100 using XDA App
Ok, I get 41 to 45 °C degrees!
So, no overheat just heat!
So, based on what you're saying, this is normal?
Kostask11 said:
Ok, I get 41 to 45 °C degrees!
So, no overheat just heat!
So, based on what you're saying, this is normal?
Click to expand...
Click to collapse
Your ambient is 27°C, right? So it's normal to me. Anything less than 50°C should be OK, imo.
Regards.
My ambient is 34 to 30 °C
Ok, so my phone is fine? Wow! !! thanks
that really made me happy!
I thought it was faulty
Thanks so much everyone for answering
Kostask11 said:
My ambient is 34 to 30 °C
Ok, so my phone is fine? Wow! !! thanks
that really made me happy!
I thought it was faulty
Thanks so much everyone for answering
Click to expand...
Click to collapse
You are welcome. This is mine, phone is untouched for half an hour, my room temp is currently 28°C.
Regards.
I see! Then it's fine
thanks again! It's a big relief! I was coming from Omnia I and I was like wtf
ithehappy said:
Your ambient is 27°C, right? So it's normal to me. Anything less than 50°C should be OK, imo.
Regards.
Click to expand...
Click to collapse
Summer in Greece and sub-30-degrees Celsius don't go together.That's why we're hot!
Anyway,****ty joking aside,inside a bus today,under the sun with an ambient temperature of about 35-36 degrees(dunno how you put the degrees symbol pal ) and with my GPU overclocked at 400MHz with 1100mV using tegrak overclock ultimate,I played some Angry Birds and,although the phone reported no more than 44 degrees,it was very hot at the top.
My opinion?If you(or me obviously) manage to somehow burn/fry something,make sure to do it so bad that it doesn't even respond to Chuck Norris' roundhouse kick! That way maybe Sammy won't notice...Shush!
tolis626 said:
(dunno how you put the degrees symbol pal )
Click to expand...
Click to collapse
Alt+0176.
Funny comment anyway.

[Q] Is it okay for android phones to heat up ?

I have a sony xperia s , and when playing graphic hungry games the phone heats up .
now i understand that the game demands resources from the Gpu and cpu ..
but is it healthy to play a lot of games on the phone ?
what will become damaged ? ( if its not healty )
Thanks a lot any help is appreciated .
Devices will sometimes heat up in normal use but excessive heat for prolonged periods of time can be damaging. Depending on how warm it gets though, you are probably fine.
Sent from my ASUS Transformer Pad TF700T
Hi, I find the same problem sometimes. Heat is to be expected as there is no active cooling like for example on a desktop CPU or GPU. If you're worried about it just quit the app after playing for so long and let it cool down as I find the heat makes it hard to use the phone anyway. One suggestion that may help is switch off your WiFi and 3g when gaming. Honestly if your phone isnt over clocked I wouldn't worry as it should be able to cope with how Sony has configured it.
yeah mine isn't over clocked , i fear overclocking it .. i feel its like cooking your own cpu , logically it might damage it right ?
there's this one game called : "bombshells" the phone really heats up on it .
I didn't download it from the playstore because its not available for my device/country so i got the apk , could it be compatibility issues ? although im dead sure my device can handle it smoothly .
I used to notice significant heat from my HTC Desire and Samsung Galaxy S2 when gaming. I didn't overclock either but they both got really very hot to touch. My Samsung Galaxy S3 doesn't for some reason (even when overclocked) and my Nexus 7 does get very hot when gaming. I think there isn't anything to worry about. If you've not overclocked it surely can't affect your warranty either.
heat
heat can be a problem yes, there was an app i think that tells you the temp.
Obvious thing to do is to exit the app and shut the phone down till it cools down ,it is normal for any phone to become like that if games ,apps etc are cpu hungry etc
The first thing to break will be the battery, and that'll happen around 45 Celsius. Just stay below that and you'll be fine.
Keeping a low brightness and play without the protection case. I know that my AMOLED screen is the main cause of heat.. Heats up the battery, CPU and screen radiate heat too... phones are too small and too powerful for an optimal temperature. Brightness at minimum is a must I think.
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
graemeakerby said:
I used to notice significant heat from my HTC Desire and Samsung Galaxy S2 when gaming. I didn't overclock either but they both got really very hot to touch. My Samsung Galaxy S3 doesn't for some reason (even when overclocked) and my Nexus 7 does get very hot when gaming. I think there isn't anything to worry about. If you've not overclocked it surely can't affect your warranty either.
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Click to collapse
Some games require high end devices to run smoothly and not cause any problems.. In your case, SGS3 didn't cause any since its a Quad Core device and is capable of handling high graphics games..
cperkins87 said:
heat can be a problem yes, there was an app i think that tells you the temp.
Click to expand...
Click to collapse
Kernel Tuner..
---------- Post added at 12:11 AM ---------- Previous post was at 12:07 AM ----------
Jay-kesrwani said:
I have a sony xperia s , and when playing graphic hungry games the phone heats up .
now i understand that the game demands resources from the Gpu and cpu ..
but is it healthy to play a lot of games on the phone ?
what will become damaged ? ( if its not healty )
Thanks a lot any help is appreciated .
Click to expand...
Click to collapse
I have an SXS too.. But you will have to understand that our phone uses Snapdragon S3 processor which is normal to get hot since its the way it was built.. It gets hot soon and makes the phone slow.. U can google about it and read everything related to it.. And its alright to play games on your phone.. But on any Android phone, i suggest u play for around 15-30mins max when u r playing high end games with lots of graphics.. And then give a 30 min break and then continue to play.. Use kernel tuner and check your CPU and Battery temperature.. If they are above 45 degrees, let it cool down.. And i have to say, the latest .96 fw has no issue of heating.. I have played NFS MW and Asphalt 8.. Although Asphalt 8 causes some heat, other high end games never made my phone heat up.. U can try the ROM with a clean install..
devices normall heat up while running apps that use hardware acceleration.
if no app is running, the device ideally shouldnt heat
up.
Thanks for your reply. i got my Nexus 5 now,same thing about heat in games or while on HDMI - thats normal so
got xperia s too, custom rom, cpu overclocked to 1916mhz, play alot on it over longer periods of time too (2 hours) nothing bad happened to it for a year i got it so... working as intended?
Galaxy Note I717 here, heats up after around 5 songs on Cytus while playing in an air conditioned room. Prolonged use (i.e. 15 to 30 minutes non-stop) also causes it to heat up to around the same temperature. OEMs should really make it a point to put cooling systems on all their devices.

[Q](help!) overheat and battery drain!!

hi guys i want your help because my dad has samsung galaxy s2 and he usses 3g 17 hours a day mazimum and he charges hes phone 2 or 3times a day, is it normal???
and for example: when i play modern combat 4 5 minutes the phones temp go to 40C and when i play 20 or 30 min i cant touch the phone can u help me guys?
is there any romor kernel i should install for him?
the phone is running 4.1.2 stock jellybean arabian
please reply fast
thankyou
It's normal for a phone, or indeed any electronic device, to heat up when you give them demanding tasks. In your case, you play Modern Combat 4, so you should expect it to heat up even after a few minutes of gameplay. Same applies for battery drain, you should expect the battery to drain if you play games. 17 hours is average for minimal usage, I get 12-16, and I class my usage to be slightly below average, including 10-30 minutes of NFS: Most Wanted, Trapped Out, or GTA.
Do you use a cover on the phone? And does the phone have overheating issues when you use it normally (browsing social networking apps, newsreaders, internet etc)?
Overheating
I even get overheating when I'm on Facebook App or surfing the web on Chrome!
Especially the part near the rear camera is the hottest!
madbutnotstupid said:
I even get overheating when I'm on Facebook App or surfing the web on Chrome!
Especially the part near the rear camera is the hottest!
Click to expand...
Click to collapse
Please do not create duplicate posts.
"To err is human, to forgive is divine"
Sent from my SGS II
Reply
samer menla said:
hi guys i want your help because my dad has samsung galaxy s2 and he usses 3g 17 hours a day mazimum and he charges hes phone 2 or 3times a day, is it normal???
and for example: when i play modern combat 4 5 minutes the phones temp go to 40C and when i play 20 or 30 min i cant touch the phone can u help me guys?
is there any romor kernel i should install for him?
the phone is running 4.1.2 stock jellybean arabian
please reply fast
thankyou
Click to expand...
Click to collapse
What worked for me, on International SGS2 with Jelly Bean 4.2.2 Android OS (Jelly Bam 7.6.0 custom MOD).
I followed the instructions in the first post of the following thread to flash KH3 modem instead of the one I had: http://forum.xda-developers.com/showthread.php?t=1656005 (you can do it even without root access.
Then I downloaded NS Tools from Play Store and set CPU maximum frequency to 800mhz.
Now, I get 36 degrees Celsius as a maximum when playing Aporkalypse: Pigs of Doom. Before, it was over 45 degrees. So it got better. Still heats up (cause it's 30-33 in standby), but way better.
I hope this helped!
Same problem for me.. it realy fear me i played asphalt 8 15minutes the phone heat up like hell..will this cause any hardware problem like display..? Two lines are appeared in the top of my display will this due to heat..?
Sent from my GT-I9505 using XDA Premium 4 mobile app
That's perfectly normal as mentioned. If you run CPU/GPU intensive tasks like a game with graphics like that, the phone will get hot. It's a small package that has those hot components fully enclosed with no real way to dissipate the heat (unlike a PC which has fans & heatsinks, for example).
You could do kernel-side stuff like underclock a bit, but you might find your game unplayable if you do that.
So if you want to play games like that on a phone, you live with the heat.
If the lines only appear on the screen when the phone gets hot & go away when it cools down, then it's obviously caused by the heat (which is probably causing the GPU to do funky things).
What heat will do is if you expose those components (CPU & GPU particularly) to those levels of heat regularly, you reduce their life/increase the risk they'll fail at some point. Given most people get new phones every two years or so these days, this isn't normally a problem unless you're spending hours a day exposing those components to that kind of heat. But the other thing involved here is, not all components are created equal in the factory/have the same tolerances to that sort of thing. Manufacturers do their best with QC in this regard, but the same components in different devices (same model though) can vary a little quality-wise. And you have no way of finding this out or testing for it.
So yeah, you can either keep playing games & live with the heat as I said above (and with what I said after in mind), or you can stop & have a cooler phone.
All samsung phones has this deffect..? Can you suggest me a phone(sony,samsung) without this overheat issue with same performance...?
Sent from my GT-I9505 using XDA Premium 4 mobile app
---------- Post added at 02:52 PM ---------- Previous post was at 02:46 PM ----------
I plays game too much.. i buy this phone only for gaming.
Sent from my GT-I9505 using XDA Premium 4 mobile app
It's not a defect, it's basic physics/electronics design. You make a CPU or GPU do a lot of work (do more/faster calculations, which is what they do in essence), they get hot. Same holds true whether you're talking about a PC or a console, they just have ways of venting that heat.
I have no experience of what other manufacturers phones do, but it's the same with the S4 & I'd be very surprised if other manufacturers phones aren't similar - because they're all enclosed packages with components that get hot crammed into small areas with no way to get rid of the heat. Their design is basically the same, ergo, they'll all behave in a similar way if you do similar things with them.
If you want to play games without heat, get a console or a PC.

temperature

hi guys, i have just got the phone, but i think is overheating too early. What is the idle temperature of yours? mine is approx 39-40, but for example, if i download 2 or 3 apps, then it goes 50+.
Is it normal?
I don't have any problem of heat on mine, just when it's on charge yes but it because of quick charge so... I didn't check the temperature but everything seems alright even in game ?
skoulikios13 said:
hi guys, i have just got the phone, but i think is overheating too early. What is the idle temperature of yours? mine is approx 39-40, but for example, if i download 2 or 3 apps, then it goes 50+.
Is it normal?
Click to expand...
Click to collapse
Hi,
I took this phone to be able to compare it to the OP3. They offer more or less the same specs for about the same price, with some pros (slightly bigger screen, 2k display) and cons (no jack, lack of support in Europe, battery ?).
The LeEco doesn't really go hot. Even under heavy load, it goes only mildly warm. But it is in fact much warmer than the OP3 used in the same conditions (same apps, same TPU cover). But in every circumstance, it is much cooler than, i.e. my Nexus 5.
Regards.
NexusPenguin said:
Hi,
I took this phone to be able to compare it to the OP3. They offer more or less the same specs for about the same price, with some pros (slightly bigger screen, 2k display) and cons (no jack, lack of support in Europe, battery ?).
The LeEco doesn't really go hot. Even under heavy load, it goes only mildly warm. But it is in fact much warmer than the OP3 used in the same conditions (same apps, same TPU cover). But in every circumstance, it is much cooler than, i.e. my Nexus 5.
Regards.
Click to expand...
Click to collapse
ok, but whats the "secure" range of temperature? i use cpu-z and sometimes i see under heavy load 60,65 deegrres. Is it safe?
skoulikios13 said:
ok, but whats the "secure" range of temperature? i use cpu-z and sometimes i see under heavy load 60,65 deegrres. Is it safe?
Click to expand...
Click to collapse
Hi skoulikios13,
Can't really tell... but those kinds of value do not seem out of range for me.
Then again, I'm more used to Dual Xeon CPU in my computer... and those go slightly hotter when I am compiling my own ROM
Of course, I think you do not need to worry...
If your device goes too hot, it'll throttle at first, and in worst case force itself to shut down.
Regards.
Can you touch fingerprint sensor?
bactuong said:
Can you touch fingerprint sensor?
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Click to collapse
yes, why?
No issues here i have mine for a week now. After 10 or more rounds of Antut it stays around 39.
skoulikios13 said:
hi guys, i have just got the phone, but i think is overheating too early. What is the idle temperature of yours? mine is approx 39-40, but for example, if i download 2 or 3 apps, then it goes 50+.
Is it normal?
Click to expand...
Click to collapse
-------------------------------
No temperature problems.
in operation 27-35 °C
in flash 40-50°C
LeEco Le max. 2 6/64 GB
My le max2 in operation go go 50°C too, i have to downclock it to 1200 MHz to have 38/39°C i think this is not normal...

Benchmarks

Hi guys, this is something that keeps me up at night. The recent software update was supposed to make performance of the Moto Z better, and in actual daily usage I find nothing to complain about, but when it comes to benchmarks it's a whole different story, I have the uk version by the way. To be frank, I used to get about 129 000 in antutu, which is pretty low to start with, and now it's down to 126 000, geekbench is lower than you would expect from this phone too, at about 1350 single core and 3810 multicore. So basically I started this thread as a place where we could share our benchmark results and discuss them, because I have a feeling I just got an unlucky unit, because it also gets real hot real fast (up to 60 degrees celcium), and I can't make it last for more that 4 hours of screen on time, and I'm really not a heavy user. I just feel strange about this phone, because I love everything else about it, and it’s good that I do, because resale value on these things is beyond awful, tried to sell it for 500 bucks for months with no success.
Benchmarks mean abso-farking-lutly nothing. If they are keeping you up any night, you have a mental issue. I suggest you see a shrink.
Sent from my XT1650 using Tapatalk
PiousInquisitor said:
Benchmarks mean abso-farking-lutly nothing. If they are keeping you up any night, you have a mental issue. I suggest you see a shrink.
Sent from my XT1650 using Tapatalk
Click to expand...
Click to collapse
Well, there is no reason to be so toxic my friend, my main concern is that I may be the only one here with such a low score, and since the score got even lower after some time that could mean I may have a defective device, and that would be a real problem to keep me up at night.
I don't think there's a problem with your unit, 4 hours screen on time sounds normal without the battery mod on. That drop in benchmark score isn't very significant unless it continues to drop dramatically. I have the UK model too, and it is underclocked by default to 1.8GHz. You could try the Turbo Z kernel to improve it
Also mine gets really hot fast when using Daydream VR or anything intensive but 60 °C isn't dangerous for the SD820. (You could check battery use in settings incase something is keeping your phone awake.)
Geekbench 4:
Single core 1369
Multi core 3779
Seems benchmarks are pretty similar. I'm on rooted Android N but stock kernel so same as yours.
HelloMoto777 said:
Well, there is no reason to be so toxic my friend, my main concern is that I may be the only one here with such a low score, and since the score got even lower after some time that could mean I may have a defective device, and that would be a real problem to keep me up at night.
Click to expand...
Click to collapse
The only benchmark that matters is the one between your ears. And according to you, it passed.
in actual daily usage I find nothing to complain about
Click to expand...
Click to collapse
All others are a waste of time.
Sent from my XT1650 using Tapatalk
supacrazyguy42 said:
I don't think there's a problem with your unit, 4 hours screen on time sounds normal without the battery mod on. That drop in benchmark score isn't very significant unless it continues to drop dramatically. I have the UK model too, and it is underclocked by default to 1.8GHz. You could try the Turbo Z kernel to improve it
Also mine gets really hot fast when using Daydream VR or anything intensive but 60 °C isn't dangerous for the SD820. (You could check battery use in settings incase something is keeping your phone awake.)
Geekbench 4:
Single core 1369
Multi core 3779
Seems benchmarks are pretty similar. I'm on rooted Android N but stock kernel so same as yours.
Click to expand...
Click to collapse
Thank you for your comforting and friendly reply, in battery settings Android OS, Android system, and phone idle are on top when I'm not using the phone actively, I've had laughable results sometimes, like yesterday I had 30 percent battery left with only about an hour of screen on time, again no gaming involved, but this usually happens when I'm moving around, if I stay at home and nothing happens to the phone it usually won't drain battery like that. I think the reason the phone gets hot easily is obviously because of how thin it is, for example, when I keep it in the pocket it's just as hot as my body tempreture, since it just absorbs heat that easily, but has a hard time getting rid of it.
HelloMoto777 said:
Thank you for your comforting and friendly reply, in battery settings Android OS, Android system, and phone idle are on top when I'm not using the phone actively, I've had laughable results sometimes, like yesterday I had 30 percent battery left with only about an hour of screen on time, again no gaming involved, but this usually happens when I'm moving around, if I stay at home and nothing happens to the phone it usually won't drain battery like that. I think the reason the phone gets hot easily is obviously because of how thin it is, for example, when I keep it in the pocket it's just as hot as my body tempreture, since it just absorbs heat that easily, but has a hard time getting rid of it.
Click to expand...
Click to collapse
You're welcome. If you click on the graph you can see the awake time too, lately something has been keeping mine awake and draining the battery too. Not sure what it is yet, but if yours is getting really bad screen on time it could be similar. Likely an app running in the background keeping the phone awake which would heat it up more and drain the battery. There are wake lock detection apps that claim to be able to tell you which is causing this.
As you can see it's awake for long periods of time when the screen is off, and it really shouldn't be. Hope this helps :good:

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