Develop Bugs

[Q] Phone gets extremly warm when charging.

Hi,
I am sorry if this is the wrong section, but considering it's a question. I assume it's correct.
When I am charging my phone it gets extremly warm when charging. I mean, really warm.
I can hold it in my hand, but it's unusually warm, perhaps around ~35C. When I plug out my phone it soon sinks down to 20C.
I am using CM7.1 OC'd to 710MHz. Could this be because of the OC? I think that I can rule that out easily, because I had similar "issues" before, when running stock rom.
Thanks.

I don't think that's abnormally hot...
Mine is usialy at the 35-36 degree range.
I did get it to 40 when I was playing some games and listening to music

Perhaps I am overreacting, but honestly it felt like I could cook bacon on my phone...

It's normal, I would say. Happens to me as well, and, because the ambient temperature is already over 32-33C, the phone feels its 40-42C+.
Besides, on my friends Desire, its 24x7 warm, even when not charging. So, more reason for me to assume this "overheating" is normal.

Yeah okay, thank you for your answers, I suppose it's always good to have the chance to steak some meatballs on the go...

Ofcourse it is normal at 35.
When overclocked + gaming + charger plugged + data connection / bluetooth / wifi .
Using some of these simultaneously makes battery hot.
Sent from my HTC Wildfire using XDA App

you can check the battery temperature with an app like elixir for example. With my stock ROM I even got a 42 degree one time when tethering internet in the sun. That was a bit high I think, but I've been at 35 degrees a lot of times with no problems

Ouch Ouch its burning

I was just curious to know if someone else's phone is over heating. Yesterday I was watching a boxing match on youtube with 4G on and it reached to a scary 121°. 4 hours later I was playing the nova demo with the screen at 45% brightness, played for like 20 minutes or so and it reached 112°. Just whanted to figure out if this is normal that personallyI think is not, and also if someone else it's experiencing the same issue. Thanks
Edit: Both of times I was indoorsjust in case someone is wondering.
Sent from my SPH-D710 using xda premium

Mine can get much hotter than that but it pretty much hovers around the 120 range when I'm browsing the web.
I also get this message when charging and watching a video. I need to exchange it. Just need to find a Best Buy store that has one in stock.

What do you use to check the temp?

mine gets real hot as well.. I think it has to do with charging while using though.

Woow thats amazing. Im guessing that those temperatures can be harmful to the phone right?
I use system info from the market to check my phone status very useful
Sent from my SPH-D710 using xda premium

JoeBruin32 said:
mine gets real hot as well.. I think it has to do with charging while using though.
Click to expand...
Click to collapse
It could be that and the stock charge pushed a lot of power in to charge quicker... But my input is that my phone hasnt even gotten very hot at all..
Sent from my SPH-D710 using XDA App

SpartanVissepo said:
I was just curious to know if someone else's phone is over heating. Yesterday I was watching a boxing match on youtube with 4G on and it reached to a scary 121°. 4 hours later I was playing the nova demo with the screen at 45% brightness, played for like 20 minutes or so and it reached 112°. Just whanted to figure out if this is normal that personallyI think is not, and also if someone else it's experiencing the same issue. Thanks
Edit: Both of times I was indoorsjust in case someone is wondering.
Sent from my SPH-D710 using xda premium
Click to expand...
Click to collapse
My phone was just laying in shotgun of my car with the car charger plugged in and the display on, then all of a sudden I picked it up and it was hella hot! 120° read SetCPU and I got shook, ripped the battery out and threw the phone in front of an AC but then I got worried that the extremities could possibly warp the board, so now Im thinking Im going to return my phone! In no way can this be good for the phone, I don't see how it can not get affect it when reaching 120, 130, 140 degrees!!! Im worried that in a week, a month, a year from now something will go terribly wrong and I really don't want to risk it, so I'm real close to returning this phone and just waiting for the Nexus!

I am amazed that a phone getting hot after heavy use is such a surprise to everyone. See any fans? see any ventilation? Here you are using a dual core 1.5 GZ processor, what were you expecting, ice water?

Ahh... Set CPU. So you can't really find the temp until you're rooted?
Hmm

LouieGrandie said:
I am amazed that a phone getting hot after heavy use is such a surprise to everyone. See any fans? see any ventilation? Here you are using a dual core 1.5 GZ processor, what were you expecting, ice water?
Click to expand...
Click to collapse
Who mentioned anything about heavy usage and overclocking? CPU is 1.2Ghz stock buddy and I wasn't doing anything on my phone at the time it overheated...I have a Droid Incredible 2, and I run its CPU OC to 2.035Ghz and its never once gone over 105 degrees, so before you go getting all amazed, get your facts straight!

I have noticed this too.
With the phone simply in my pocket, my leg would feel warm. I could grab the phone and the phone would feel quite hot. Not so hot that it would burn my ear, but warm enough that it would feel like there's some kind of problem. Usually, heat = battery getting drained. When I check to see if there's anything running, there's nothing...
Right now, have been listening to Spotify for over 2 hours, and it's cold as ambient temperature. Will try installing some monitoring program and report if I notice more heat issues. I know the Evo3D used to get "burns my ear" hot when using it as GPS while connected to the car charger. My guess was that if the screen is on, and there's power going to it, it'd always get hot. Maybe it wasn't supposed to and that was just my assumption. However, same thing happens to this one; watching netflix, or playing a game, or anything demanding, and if I'm plugged, it will get really hot, really fast. If not connected, it won't get as hot, but "normally" hot nonetheless.

http://an.droid-life.com/2011/09/21/is-your-samsung-epic-4g-touch-getting-too-hot-to-handle/
Feel free to stop by and comment if you're having similar problems.

jromankvcc said:
I have noticed this too.
With the phone simply in my pocket, my leg would feel warm. I could grab the phone and the phone would feel quite hot. Not so hot that it would burn my ear, but warm enough that it would feel like there's some kind of problem. Usually, heat = battery getting drained. When I check to see if there's anything running, there's nothing...
Right now, have been listening to Spotify for over 2 hours, and it's cold as ambient temperature. Will try installing some monitoring program and report if I notice more heat issues. I know the Evo3D used to get "burns my ear" hot when using it as GPS while connected to the car charger. My guess was that if the screen is on, and there's power going to it, it'd always get hot. Maybe it wasn't supposed to and that was just my assumption. However, same thing happens to this one; watching netflix, or playing a game, or anything demanding, and if I'm plugged, it will get really hot, really fast. If not connected, it won't get as hot, but "normally" hot nonetheless.
Click to expand...
Click to collapse
That you know of, did they ever fix the issue on the Evo3D?

Let me put it another way. I don't see any process or feature that will cool down the phone when in moderate to heavy use. I expect it to get hot. I have always thought, how are they going to disperse the heat?

LouieGrandie said:
Let me put it another way. I don't see any process or feature that will cool down the phone when in moderate to heavy use. I expect it to get hot. I have always thought, how are they going to disperse the heat?
Click to expand...
Click to collapse
I don't know dude but what I do know is that I have the Incredible 2 overclocked to over 2Ghz!!! and my Xoom at 1.7Ghz and neither one of them has every gotten this hot before!!

JungleJiujitsu said:
I don't know dude but what I do know is that I have the Incredible 2 overclocked to over 2Ghz!!! and my Xoom at 1.7Ghz and neither one of them has every gotten this hot before!!
Click to expand...
Click to collapse
Ill second this srongly, I think than anything over 107 with this technology is NOT friendly at all.
Sent from my SPH-D710 using xda premium

Mine got hot on day 1 from youtube and general setup but after a full nights charge it has been great for 2 full days, no heating up or anything weird.
But man did it get hot!
Edit: I turned off gps the night this happened. I have been using my phone alot and have not experienced this again.

You need a dose of Penicillin and Cortizone. The burning sensations should clear up. In the mean time, stay away from strange phones and turn off the vibration loop - LOL
Sorry, but I've done quite a bit with my phone (videos, NetFlix, etc...) and it doesn't get warm enough to burn.

An Intel CPU (i7, for example) can run at 200 degrees Fahreneheit. In fact, the roof is about 100 degrees Celsius. To protect the CPU, there are heatsinks, fans, water cooling, etc. Video cards can also go up to 70 degrees celsius before showing artifacts; some can do much better.
We're commenting a heat that is not nearly that much for a phone. IF the SOC gets to 100 degrees celsius, that's one thing; 100 degrees fahrenheit...that is the temperature in many places around here.
These SOC don't need such fans, heatsinks, etc, because they're not supposed to reach temps of 200 degrees. They should be self contained.
On my Evo3D, which I passed on to my father, I could smell like something was burning. It wasn't, but it smelled like if it were, around the battery. Yeah, it still gets hot when in use, and specially if connected.
I believe there's also comments that on all new phones, the first few charges, while the battery adapts, the phone may be hot. Of course it had been over 2 months on my Evo3D and it still gets hot.
The E4gT is doing better today, but I haven't thrown any video/games at it yet; nor has it been in my pocket.
I'd say give it a couple days. I know I've reported my own concern, and I'll be checking it to make sure the "hotness" is within reasonable limits.

vanberge said:
Ahh... Set CPU. So you can't really find the temp until you're rooted?
Hmm
Click to expand...
Click to collapse
you can check it using this add on http://forum.xda-developers.com/showthread.php?t=809588

Does your screen get hot after extended use?

By extended I mean 5 min. I can really feel the warmth when I put it in my pocket.

I used my phone today for at least 3 hours straight and didn't get hot at all. Most of the time surfing the net.
Sent from my Super Amoled Epic Touch....

This topic is already being discussed in a different thread, but since yours has remained open I'll put in my 2 cents...there has been numerous reports of the phone reaching extremely high temperatures, one as high as 140º and my phone has gotten up to 121º!!! I truly think its a manufacture flaw as all 3x that mine has overheated I wasn't overclocked nor was I doing anything that would have required a great deal of the systems resources. As I've stated on the other thread, I have a Droid Incredible 2 that I can run all day overclocked at 2.035Ghz and it will never lock up on me, let alone overheat!!!...Something that I realized today was that in MENU>SETTINGS>DISPLAY>BRIGHTNESS>It'll say "brightness has been reduce to avoid overheating" or something close to that affect and it'll be scaled down to about 3/4 of the brightness level when my phone starts to get hot, so does that mean overheating was already a known issues before they even shipped out the phone??? And if so, has it been built to withstand these temperature that others and myself have been reaching or did they ship them out anyways and are hoping for the best? I wonder...

I was playing some games (Nova, RUA) and the glass heated to the point it was hot to touch.
Oh, and it drained the battery so fast it died.... while charging.
I'm gonna swap it out tomorrow, see what happens.

40 degrees Celsius?

My Galaxy Nexus often increases its heat to around 42 degrees Celsius (108 fahrenheit) constantly with minimal use (light 2D gaming for about 5 minutes), surfing the app store and playing around with the menus for a 10 minutes. I have installed the battery monitor widget application (free) which tells me everything and gives a timeline of different temperatures the phone reaches.
Constantly the phone is 30 degrees Celsius (86 Fahrenheit) and above, even during minimal use of apps (only running one app at a time, I selected the phone to only use 2G networks and it has no data plan).
This seems very very hot for a phone. My Galaxy S2 doesn't get past 28 degrees celsius (82 fahrenheit) under very heavy use whilst on 3G. My HTC Mozart is the same as the Galaxy, it barely gets above this temperature. Is the Nexus supposed to get this hot?
So far my battery life is set at 17 hours battery life with minimal phone/texting on 2G (literally 2 text messages and 1 phone call per day), 30 minutes of light 2D gaming and zero music or videos being played. There are no programs running in the background and the brightness is set at 40% or below.
EDIT: Even on standby without use for hours the phone has NEVER gotten below 26 degrees celsius (78 fahrenheit) .

I'm hoping someone could share info on the heat of their devices/the normal range of heat that these kinds of devices should be putting out. It sounds interesting that this much heat can actually be created, more elaboration would be better though.

bumping for answers for op.

I noticed a dramatic difference in the temperature from my evo 4g. Some potential causes:
* high stock voyages (there is a great thread in the Dev section about uv kernels)
* when running modaco's brightness patch it got worse for me.
* since it happens with the screen off, it is probably not tht...

83mck said:
EDIT: Even on standby without use for hours the phone has NEVER gotten below 26 degrees celsius (78 fahrenheit) .
Click to expand...
Click to collapse
What's your ambient temperature?
Absolute temperature doesn't tell us much, what's useful is the delta between device temp and ambient temp.

Chirality said:
What's your ambient temperature?
Absolute temperature doesn't tell us much, what's useful is the delta between device temp and ambient temp.
Click to expand...
Click to collapse
The room temperature is air conditioned around 18 to 25 degrees celsius (64F to 77F). The phone should not be hitting above this range, especially on standby. It should not reach 40 degrees Celsius whilst texting/app surfing on 2G.

Same issue here.
My Nexus One's battery is at 24C (plugged in, not charging).
And by GNex's battery is at 37C (plugged in, charging)
Okay 37 is fine but 42 is not :/

right now I have flashed a few roms and am browsing tapatalk.. at 34 Celsius. Just applied my undervolts though so we will see
Sent from my Galaxy Nexus using xda premium

Mine increase more than 42c when using too.

Just bought the phone and mine seems to overheat too much... going to buy a case....

Battery says 46 degrees cel...

also i noticed on galaxy nexus it get too hot around the camera on the back and the earpiece on the front.
noticed the problem mainly when in an area with weak reception. or while charging the phone even with good reception.
its something with the radioROM or hardware.
any suggestions??!!

normal
Its normal! 76F when not in use 90-101 in use 101-120 with charger and using . I called Samsung . My euro gs2, at&t gs2 and my skyrocket all have the same temps remember this is a very thin plastic phone with battery right there behind tiny plastic cover . Think of it like this dose ur computer get hot when u use it?? ? Have u ever even thought bout that? No cause ur not holding it in ur hand .

+1
This is a dual core phone, it is going to run hot because it's a dual core processor with no cooling other than dissipation. It's not a problem unless your phone is actually crashing because of it. I've seen mine get up to 46C during long periods of gaming/charging.
I expect the hardware has been developed to tolerate these temperatures or we'd see a lot more "my phone overheated and now it's a brick" posts or even "my phone exploded into flames" posts. Have only seen a couple of the former and none of the latter.

Running hot after root, rom and maybe 'incorrect charger'
So like others here my GSM version Galaxy Nexus phone is quite hot at the top right corner back and front, near the camera. Only when the screen is on. Battery drops very rapidly too.. like 1% every 30-45 seconds...
This heat is brand new. I recently rooted and romed the device after the recent ICS update cause signal loss when the screen was off. I tried AOKP, various kernals and have now returned to the original backup of android 4.0.2. The heat continues with the screen being on, through all of this. Doing nothing, wifi connected... just on. Screen off no issues. No apps are installed except stock. Default Kernal again.
I also noticed i plugged the phone in with my blackberry playbook charger at the same time as all of this. The specs on that are playbook charger output is 5V @ 1.8A..
I notice a few other people posting about this so want to know if this might be rom related somehow, or if perhaps ive done something to the hardware from the charger. I've tried a spare battery that was not used with the charger at all and the heat continues.
There was no heat at all like this before this last 24 hours so its not 'normal use'. Promise Hope someone has some possible suggestions to try

Mine is at 31 right now.. listening music and xda... if play games it goes to ~35 if I plug it in it gets hotter than 40...
Sent from my Samsung GNexus <3

Just got it today... Temperatures though...

Well I just got mine today... Its FA44EWM... and its a fireball just like my M7. GSAM was reporting 109F when it was setting up initially. Couldn't even hold the thing.
Reviews said that it doesn't get hot at all so I don't know what's up with it. I'll use it for a few days and report back. Anyone else having temperature issues? I'm afraid its going to fry the camera like the M7 :\

I noticed my m8 got pretty hot when streaming video through the my dji quadcopter app. In normal use it does not seem to have any issues. The aluminum body is supposed to be a great heat sink.

I guess I'll just have to watch it then. I knew it was too good to be true asking for a Qualcomm SoC that doesn't have heat issues... At least its not the Sensation I guess.
I just ran a stability test with Antutu... Its actually not that bad although if it was on the charger, it would be problematic. Topped out at 108F/42C, started at 86F/30C
Other than that, everything is perfect on this phone. Not a single build quality imperfection, great LCD, surprisingly nice camera, and better signal than the M7 had. I don't regret it at all, the heat is just disappointing. My UAG Maverick will be here on Wednesday along with my 32GB microSDHC UHS-I card I got from Amazon for 25 bucks.
.

Mines has no heat issues. Only heats up during intense gaming, benchmarking, and for some reason it heats up when the battery dips below 20% but only to a warm touch except for gaming it heats up tremendously. Even with my screen brightness all the way up it doesn't heat up ridiculously. Overall it's fantastic.. give it a few days or send it back for a replacement.
Sent from my HTC One_M8 using xda app-developers app

Same here, I haven't had any heating issues, phone is always cool to the touch.

How odd... it appears to be settling in or something. I just did a run with Brave Frontier (a game which is a great way to overheat your phone) with it plugged into the charger and its at 102F. The One would be at 113F by now and no longer charging as a result. I think I'll watch it for a bit. I seem to remember that my M7 actually hit 119 when I first got it and then settled down to a normal max of 110 with it rarely hitting 113 on the charger.
If Brave Frontier didn't overheat it, nothing will. Brave Frontier actually has a dedicated question in their FAQ for LG G2s overheating and its overheated my Nexus 7 before and crashed more than once as a result so this is actually kind of impressive. I'll report back as I use the device.

EtherealRemnant said:
How odd... it appears to be settling in or something. I just did a run with Brave Frontier (a game which is a great way to overheat your phone) with it plugged into the charger and its at 102F. The One would be at 113F by now and no longer charging as a result. I think I'll watch it for a bit. I seem to remember that my M7 actually hit 119 when I first got it and then settled down to a normal max of 110 with it rarely hitting 113 on the charger.
If Brave Frontier didn't overheat it, nothing will. Brave Frontier actually has a dedicated question in their FAQ for LG G2s overheating and its overheated my Nexus 7 before and crashed more than once as a result so this is actually kind of impressive. I'll report back as I use the device.
Click to expand...
Click to collapse
I've seen 11x degrees while charging, streaming google play music, using the GPS, and running ingress all with the phone mounted on a sunny dashboard. My device is my car infotainment system so it gets used heavily in the car. It doesn't always get that warm but definitely warm to the touch. Eliminate a few of those things and it will cool down but I would still call it warm when playing a game. Unless someone tells you exactly what they're doing with the device you should take temperature reports with a grain of salt. There are a lot of variables and unless you make them the same you can't compare two different usage patterns. I'm guessing it would stay cooler if you kept the CPU and GPU underclocked but if you run them at their specified clock speeds the device will heat up. Simply checking e-mail or web browsing will keep my device cool to the touch as well.