Develop Bugs

Evo fails in freezing temps!? Or is it something else?

Alright guys got a really weird issue and I would like to know if anyone has had this problem before. So I was at the gym for about 2 and a half hours tonight,and I left my phone out in my car. I live in the midwest so temps are starting to get pretty low. About 30 here tonight. Anyways I came back out when I was done and my phone would not turn on. When I plugged it in it showed no led. So after about 45 min I pulled out my battery and popped it back in and magically my phone came back on. I flashed the new ziggy kernel last night and I use os monitor to keep it set to smartass but I don't know why this happened? I guess im just puzzled is there an issue with the battery in really cold weather or did the kernel cause it? If you guys could give me some input I would appreciate it. Thanks.
Sent from my PC36100 using XDA App

I'm thinking its the battery since it is well known that batteries underperform under low temperatures.

Same Here...
I live in NYC, making a long story short...i left my phone exposed to the cold for a few hours and when i came back my phone wouldnt turn on either... no light, no charge, and after a bit in m pocket poof just started to work... I mean i know Everything has a Cold/hot temp, limit i think iPods are around 20 something degrees,,, i wasnt aware of the evo until now...

DarKEvo25 said:
I live in NYC, making a long story short...i left my phone exposed to the cold for a few hours and when i came back my phone wouldnt turn on either... no light, no charge, and after a bit in m pocket poof just started to work... I mean i know Everything has a Cold/hot temp, limit i think iPods are around 20 something degrees,,, i wasnt aware of the evo until now...
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Thanks for sharing sir. It makes me feel a bit better that was my thought but I didn't know for sure ill have to research the battery itself and see what temp it can handle
Sent from my PC36100 using XDA App

Just overvolt it I wonder if we can do that via an app, AFAIK it requires a kernel level change

aph said:
Just overvolt it I wonder if we can do that via an app, AFAIK it requires a kernel level change
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Well I am undervolting with ziggys new kernel and didn't seem to help. I think the battery is just a battery period. The cells go crazy at 32 degrees.
Sent from my PC36100 using XDA App

It's fairly well known that batteries don't do well in cold (thus why you see in car battery commercials "specially made to handle cold weather", etc. etc.) so that could be an explanation.
On a side note, LCD's don't do well either (think about it, Liquid Crystal Display). If you want an example, go in to Best Buy or something just after they open, while the building is still cold, and check out the LCD TV's; they'll all be lagging and fuzzy pictures.

Yellowcard8992 said:
Well I am undervolting with ziggys new kernel and didn't seem to help. I think the battery is just a battery period. The cells go crazy at 32 degrees.
Sent from my PC36100 using XDA App
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I said overvolt not under. It would make it run hotter, so the temps wouldn't affect it so much. Put it in an inside jacket pocket, that tends to get my phone pretty hot on its own.

I live in Virginia and occasionally leave my phone on my car. Temperatures have been in the teens and single digits lately. No problems so far, but I'll probably be more cautious now. Hope it doesn't affect my battery in the long run.
Sent from my PC36100 using XDA App

aph said:
I said overvolt not under. It would make it run hotter, so the temps wouldn't affect it so much. Put it in an inside jacket pocket, that tends to get my phone pretty hot on its own.
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Thats my fault, read your post quickly last night and didn't pay too much attention I guess I just saw "volt". Overvolt would not be a choice of mine though I would rather not risk frying my phone.

Galaxy Nexus Overheating

So I just got the Galaxy Nexus (upgraded from the Nexus S) and just after the first day of use (no heavy workload, wifi or GPS) this thing became painfully hot. We're talking touch it to your skin and *ouch* hot. Strangely the massive heat output seems to be limited to just the top quarter of the device. Also note that it takes only about 10min until it reaches 'unusable' status.
Does anyone else have experience with this problem? Admittedly I was warned by the provider I got it from that they had had feedback from customers about it's excessive heat output and other people I know have also commented to the same affect. But I never thought it would be quite this bad. I could fry an egg on this thing. Considering my Nexus S never had this issue - this is disappointing. Are we talking hardware design fail? Or perhaps a bad batch in my country?
If this was an iPhone they'd be headlines going on about 'heat-gate' and Larry Page coming out saying that we're 'cooling it wrong' lol

the nexus does get abit hot around the camera area, but it shouldnt be THAT hot lol.. what are the ambient tempreatures around where you're using the phone?

IINexusII said:
the nexus does get abit hot around the camera area, but it shouldnt be THAT hot lol.. what are the ambient tempreatures around where you're using the phone?
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Not that hot - maybe 20-25c

Perhaps monitor battery temp with an app, it won't give you a precise indication of your processor temp, but there should be a correlation. The phone does get warm around the camera area, but never painfully so (for me). Was your AOS usage abnormally high?

I think the OP is overreacting just a little, if it burned you then the phone would have melted
Anyways, its perfectly normal. the OMAP4 chipset runs really hot, I read somewhere that it operates normally between 85-105 degrees Fahrenheit.
Here it says that the OMAP4 platform has a temperature range of -40° to 85°C. I think thats overstating it, but its all there

KiNG OMaR said:
I think the OP is overreacting just a little, if it burned you then the phone would have melted
Anyways, its perfectly normal. the OMAP4 chipset runs really hot, I read somewhere that it operates normally between 85-105 degrees Fahrenheit.
Here it says that the OMAP4 platform has a temperature range of -40° to 85°C. I think thats overstating it, but its all there
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I used by SGSII in northern Ethiopia (Dallol), air temp was 56C, it didn't like it

KiNG OMaR said:
I think the OP is overreacting just a little, if it burned you then the phone would have melted
Anyways, its perfectly normal. the OMAP4 chipset runs really hot, I read somewhere that it operates normally between 85-105 degrees Fahrenheit.
Here it says that the OMAP4 platform has a temperature range of -40° to 85°C. I think thats overstating it, but its all there
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Well let me put it this way. It's hot enough for me to consider claiming on warranty. No phone should generate that much heat right next to your head/ear. That's unusable in real terms (at least with this particular one). And i've had my fair share of android phones in the past to compare...

dccxviii said:
Well let me put it this way. It's hot enough for me to consider claiming on warranty. No phone should generate that much heat right next to your head/ear. That's unusable in real terms (at least with this particular one). And i've had my fair share of android phones in the past to compare...
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The Tegra2 chipset runs VERY hot when overclocked as well, I've had hot experiences on both my Galaxy Tab 10.1 and my G2x, and I can also say that the OMAP4 runs hotter than that! Just offering opinion is all, it's perfectly normal for it to be running extra hot, and it happens fairly quickly.
I completely agree with you that the phone does get abnormally hot, but then again, from my experience, so does the RAZR with a sister chip in it.

dccxviii said:
So I just got the Galaxy Nexus (upgraded from the Nexus S) and just after the first day of use (no heavy workload, wifi or GPS) this thing became painfully hot.
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Android 4.0.1, stock Nexus Galaxy, going on 2 weeks. It's in an otterbox defender case, after 1.5 hours of running video it's warm in my hands, but that's under constant workload that nearly drained the whole battery. In other words during normal operation I am not finding the serious problem you are describing. Empathy out to you.

What temps we're talking about? Mine stays at +36C +38C while browsing web/watching youtube and gets a bit (around +41C) hotter when playing games. And these temps are far from hot-to-touch.
Sent from my Galaxy Nexus using xda premium

Sometimes my GN becomes really hot too. It also happens when i'm watching hd video for a half an hour or more. Then it turns terribly hot.

mine goes to 48C and then it starts lagging like hell

Mine gets warm around the camera and earpiece. It's pretty normal, I'd say.
Sent from my Galaxy Nexus using xda premium

There are multiple threads on this, but I'll say what I've said before: it's a dual core device, it runs hot, it's not "overheating" unless your phone is crashing, shutting down, or otherwise obviously malfunctioning in some way other than getting hot.
What do you mean by "it reaches 'unusable' status" though? Are you just afraid of using it because it seems hot? Mine gets quite hot when I use it heavily...have kept it going for several hours in this state (while plugged in) with no other issues.

Mine gets hot in the same area, but it has never been that hot, just warm. My OG Droid was OCd to 1.3ghz and that literally reached 150+ degrees F quite a few times and is still fine to this day. The OMAP SoCs seem to run a bit hotter than others, but they can definitely handle the heat.

lilirose said:
There are multiple threads on this, but I'll say what I've said before: it's a dual core device, it runs hot, it's not "overheating" unless your phone is crashing, shutting down, or otherwise obviously malfunctioning in some way other than getting hot.
What do you mean by "it reaches 'unusable' status" though? Are you just afraid of using it because it seems hot? Mine gets quite hot when I use it heavily...have kept it going for several hours in this state (while plugged in) with no other issues.
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Basically out of the many smart phones i've had in the past. This is the first that I would say I would refuse to hold it up next to my ear due to the excessive heat. It's bad enough just holding it landscape to type on let alone sticking next to my head. It's really annoying considering how otherwise the interface and physical design of the device is better then anything else i've seen on the market.
I think i'm going to get one of those laser thermometers to find just what the temp on the surface of this thing actually is.

dccxviii said:
Basically out of the many smart phones i've had in the past. This is the first that I would say I would refuse to hold it up next to my ear due to the excessive heat. It's bad enough just holding it landscape to type on let alone sticking next to my head. It's really annoying considering how otherwise the interface and physical design of the device is better then anything else i've seen on the market.
I think i'm going to get one of those laser thermometers to find just what the temp on the surface of this thing actually is.
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It's hot on the back of the phone like other uses have said, not the front where your ear would be (unless it is which is an entirely different problem). Plus, when your phone reaches those temps through extraneous use (videos, games), you normally wouldn't be putting it near your ear anyways. I don't see this as a huge issue. If you do something taxing, much like a computer, expect the phone to work a little bit harder and hotter.
Oh and I doubt it's hot enough to fry an egg. You would smell the plastic melt first.

I've had once when my GNex was really hot. It was when I try factory reset many times since there was a bug that factory reset does nothing in a custom rom. But I didn't know at that time. I tried reset, flash rom, reset, etc. My GNes ended up really hot.

The only time my galaxy nexus got really hot was when I was switching kernels every 2-3 days, and one kernel (I think it was one of Franco's earlier builds) made it run hot even when I wasn't using the phone that intensely. Changed the kernel, and it's never been hot since (I play games, listen to music, browse web, push notifications, etc.) I don't do much video/HD streaming though...

I have been getting that too. Around the earpiece gets warm when only slightly used. Also, I can hear a faint buzzing humming sound from there. Open the back cover..can hear it from the camera too. Is something wrong with my phone

[Q] CPU overheat and crash, help?

My wife's Epic 4G was working fine yesterday but today it crashed and overheated pretty severely. When it was still plugged in and crashing it showed the battery charging and then it turned yellow and show a yellow warning triangle with a thermometer beside it, is the phone going to stop working on us?
I would appreciate a quick response so I can take it to Sprint and see what they can do about it.
I just factory reset it to insure that it wasn't a rogue application or what not and the phone is still running slow, not as bad as when it was crashing, but it still works so I don't know what's going on with it.
Also the phone is stock and has always been stock without root or any other type of hacking, etc.
It just stooped working perfectly one minute.
She showed me that the screen was blinking rapidly in an up and down bar fashion on the home screen and during applications.

First of all how old is the phone. My phone runs games hot all the time and never crashes (well sometimes, but usually when im not even doing anything with it).
I would think that the video is going out on it and it is rebooting. Depending on the age I think your phone is dead dude.
Cheers
Burrito

Not a year yet, it'll be a year old in June or July. I'm hoping it was just a virus or something because its working now. Should I exchange it anyway?
Nabbu eats your face.

Try flashing it back to stock or wipe the data if it isn't already rooted. I've never heard of anything of this sort... need some screenshots or something.
Sent from my SPH-D700 using xda premium

It's already stock.
Big Goron said:
Try flashing it back to stock or wipe the data if it isn't already rooted. I've never heard of anything of this sort... need some screenshots or something.
Sent from my SPH-D700 using xda premium
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I already factory reset it and it's running right now as if it were just fine but what I'm wondering is if it's going to happen again and not work afterwards.
I'm thinking about taking it in to Sprint and exchanging it but I'm afraid there might be fees for exchanging or what not. The phone has been dropped multiple times but it never had any issues before.
The drop distance has been less then 2 feet every time.
No water damage to the phone itself but the Sprint tech said the battery's "water damage" indicator was activated and showing water damage.
The phone HAS been in the bathroom during multiple showers which might be the cause for the battery's damage indicator to go off but the phone, like I said, has never had any issues.
She downloads pretty much everything from the Market so I was suspecting viruses or malware and now it's "clean" it's running fine.
Any suggestions for where I should go from here?

The phone should be fine. This has happened to me a few times.... if your phone gets extremely hot it will refuse to charge as a safety feature and show that yellow triangle thing... open the back of the phone take the battery out and let it cool down.
Sent from a CM9 powered Epic.

That's the best advice i've gotten on here! Thanks a ton! ^^b
Nabbu eats your face.

Big Goron said:
Try flashing it back to stock or wipe the data if it isn't already rooted. I've never heard of anything of this sort... need some screenshots or something.
Sent from my SPH-D700 using xda premium
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Happened to me my battery got near 118*F so I took it out and let it cool on some aluminum and put it back in was fine
BTW you can't take a screenie because phone shuts it self off
Sent from my SPH-D700 using xda premium

I'm guessing that the overheating problem had to do with a buggy app that was running on the phone and took lots of data or cpu time. This has also been know to happen when running wifi hotspot apps.
Regardless, like everyone else said the phone went into thermal protection mode. The battery got hot and it wouldn't charge the battery until it cooled down.

Could be the screen being on and maybe running a governor such as "performance"? Also, I've left my phone under a pillow charging, woke up it was 110F and I haven't had this problem it mustve been really hot
Sent from my SPH-D700 using xda premium

Fire n mage said:
Could be the screen being on and maybe running a governor such as "performance"? Also, I've left my phone under a pillow charging, woke up it was 110F and I haven't had this problem it mustve been really hot
Sent from my SPH-D700 using xda premium
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phone on the charger while doing things stir up more heat than normal as well.
plus i just had mine on the charger and for five minutes i was listening to tune in radio streaming over wifi and playing lets golf 3 and got off and phone was at 109.4*F Battery heat

poit said:
I'm guessing that the overheating problem had to do with a buggy app that was running on the phone and took lots of data or cpu time.
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THIS! ^^^ Without looking at your phone, I'm guessing this was the culprit. She had a buggy/defunct app that was probably frozen in the background while still sucking CPU/RAM. I've had a few of those instances and it DEFINITELY increases the temperature of the phone.
Only other thing I can think of is if she runs her phone at the brightest setting and has a long timeout on the screen timeout. Either way, I think it's nothing a little spring cleaning of the apps and tweaking couldn't take care of. Good luck buddy

Tmobile version overheating

I've been reading the other thread about overheating of the S4. Mine will get warm to hot just by downloading from the Play Store and playing withe the menu. I tried a factory reset, microsd reformat, etc.
Does anyone else with the tmobile version notice the phone getting hot?

I have tmobile version and it runs really cool
Sent from my SGH-M919 using xda app-developers app

hoangiscool2 said:
I've been reading the other thread about overheating of the S4. Mine will get warm to hot just by downloading from the Play Store and playing withe the menu. I tried a factory reset, microsd reformat, etc.
Does anyone else with the tmobile version notice the phone getting hot?
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Sure - any huge data usage, (especially with 3g/4g/lte) will cause the phone to heat up in the cpu area - this can be coupled with high graphics usage, and/or high ram usage -
electricity generates heat as a waste product - it wont get too hot, but it will heat up.
My gs2 would occasionally get so hot i didn't want to hold it or let it sit in my pocket
My new gs4 got plenty warm when redownloading my podcasts, and durring the first google device restore.

dtrwos said:
Sure - any huge data usage, (especially with 3g/4g/lte) will cause the phone to heat up in the cpu area - this can be coupled with high graphics usage, and/or high ram usage -
electricity generates heat as a waste product - it wont get too hot, but it will heat up.
My gs2 would occasionally get so hot i didn't want to hold it or let it sit in my pocket
My new gs4 got plenty warm when redownloading my podcasts, and durring the first google device restore.
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But I don't even get edge where I live. I've been using wifi and it overheats in like 10 minutes. I hope it's just a software issue, if not ill get a replacement. I just wanted see if its just me.

hoangiscool2 said:
But I don't even get edge where I live. I've been using wifi and it overheats in like 10 minutes. I hope it's just a software issue, if not ill get a replacement. I just wanted see if its just me.
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For me so far, the only time it is noticeably warm is when I use the camera for an extended period of time. Haven't played any intense games on there though like NFS.

I find that my microsd card get hot when accessed a lot, but that's not new, same as in my S3.

Mine is hot too. I haven't done anything though.
Sent from my SGH-M919 using xda premium

hoangiscool2 said:
But I don't even get edge where I live. I've been using wifi and it overheats in like 10 minutes. I hope it's just a software issue, if not ill get a replacement. I just wanted see if its just me.
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I believe there is firmware update that is compatible with the I9505 Tmo variant. You may want to do some searching and check it out.
The main S4 forum is a good place to start.
http://forum.xda-developers.com/forumdisplay.php?f=2162

Heat is not the same thing as over-heating. These chips have a maximum operating temperature rating of upwards of 70c. There are a myriad of reasons why any two devices would operate at higher or lower temperatures including ambient temperature, radio actions (high-throughput or low signal recovery), and of course running processes. There will always be people who think their phone is "too hot" since it is a purely subjective claim.

yeah honestly is at 40c and thats beyond hot!!
Sent from my SGH-M919 using xda premium

My phone heats up when I talk to people on phone over 10 m top part heats up like crazy lol
but again it maybe just because of call and stuff but my s3 never got that hot

dtrwos said:
Sure - any huge data usage, (especially with 3g/4g/lte) will cause the phone to heat up in the cpu area - this can be coupled with high graphics usage, and/or high ram usage -
electricity generates heat as a waste product - it wont get too hot, but it will heat up.
My gs2 would occasionally get so hot i didn't want to hold it or let it sit in my pocket
My new gs4 got plenty warm when redownloading my podcasts, and durring the first google device restore.
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Click to collapse
maxshah912 said:
My phone heats up when I talk to people on phone over 10 m top part heats up like crazy lol
but again it maybe just because of call and stuff but my s3 never got that hot
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Yep, mine heats up on the top back of the phone. But it doesn't overheat when I'm on the phone though. I talked for over two hours and the phone stayed cold. But if I play around with menu and installing apps, it gets noticeably warm. I used S2 for two years and didn't remember it getting this warm.

hoangiscool2 said:
Yep, mine heats up on the top back of the phone. But it doesn't overheat when I'm on the phone though. I talked for over two hours and the phone stayed cold. But if I play around with menu and installing apps, it gets noticeably warm. I used S2 for two years and didn't remember it getting this warm.
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mine heats up probably i am using 4g data and voip app to call people
but it heats up top Samsung name area like u can feel it in like 10m lol

Like others mine heats up at the top back at times but never to a serious, uncomfortable degree. Pretty sure my Blaze would get hotter at times from less taxing usage.

So hopefully this is just software related issues and not hardware.....

hoangiscool2 said:
So hopefully this is just software related issues and not hardware.....
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Click to collapse
If you're really that concerned just go exchange it.....

Yeahhh mines was over heating like crazy while I was transferring data from note 2 over too it
Sent from my SGH-T889 using xda app-developers app

Try turning down the brightness of the screen, I saw some reviews say the density of the screen adds majorly to the heat.

KillaHurtz said:
If you're really that concerned just go exchange it.....
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I have to wait 20 days to exchange it. I could return it but my micro SIM card doesn't work on the S2.
Anyway, I just received an OTA update.....

I've used my micro sim in a GS2, a MyTouch slide and a G1. It will fit, just line up the 3 pins to the 3 plates on the sim and it will work

Serious over heating issue

So ive had my Tmobile G4 for about 3 weeks now. Ive been using the G series since it started. I love the G4 but wow ive never had a phone with this type of heating issue.
There is not a time when the phone js not at least warm to touch. Few times a day it gets to the point where its too hot to touch at all. Forget about making a phone call way to hot to lut against face.
Im not doing muxh of anything either. Web browse etc... But its hot at idle screen off just sitting there.
Anyone have issues with heating? Multiple times its given me the over heating message and shuts off phone.
Last night for example it got to 80c.... Thats fricken hot!
Could factory reset help it? I dont know what to do at this point? Am i just having to get a replacement? As i type this from my g4 sensors showing high 60 to low 70C.
The heat is generating from the top half of the phone btw. Like at the camera it feels like.
Any suggestions or help? Thanks

Syntax323 said:
So ive had my Tmobile G4 for about 3 weeks now. Ive been using the G series since it started. I love the G4 but wow ive never had a phone with this type of heating issue.
There is not a time when the phone js not at least warm to touch. Few times a day it gets to the point where its too hot to touch at all. Forget about making a phone call way to hot to lut against face.
Im not doing muxh of anything either. Web browse etc... But its hot at idle screen off just sitting there.
Anyone have issues with heating? Multiple times its given me the over heating message and shuts off phone.
Last night for example it got to 80c.... Thats fricken hot!
Could factory reset help it? I dont know what to do at this point? Am i just having to get a replacement? As i type this from my g4 sensors showing high 60 to low 70C.
The heat is generating from the top half of the phone btw. Like at the camera it feels like.
Any suggestions or help? Thanks
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Click to collapse
Is the battery draining abnormally fast? Check the usage for play service, could need that fix

If you live in a hot area like me, such as LA, then you probably experienced phone shutting down while using phone as a GPS due to the overheat.
I've never Had that problems with all of my previous phones but I'd give few software updates for optimization.
Sent from my LG-H811 using XDA Free mobile app

Yeah battery is draibing very fasy. I use a battery monitor and nothing is sucking it up.
Also, i live in Arizona where it has been 110 degrees daily. Though it hasnt shut down from heat outside or when using gps yet.
It shut down with over heat warning last night in my apartment where its 67 degrees in here while i was on google.com just browsing. So im clueless right now.
I just cleared cache partition and booted to safe mode to see if it runs any better.
I can leave my phone on my table for an hour and pick it up and itll still be scorching hot doing nothing. Its literally never not hot to touch.

Yeah. That's the mytmobile app... Unchecked all the boxes in the settings. Helped me
Sent from my LG-H811 using Tapatalk

My 1st Tmobile G4 Online Preorder had some problems mostly screen. I sent it back. I went to the store and bought one. That one was always hot as well. It was always throwing warnings at me. I had Gmaps on in my car with the AC on and only 70F out the time and it shut down on me. I called Tmobile and did some master reset etc and still was the same. I finally just went back to the store and told them to exchange it after they seen how hot it got in store. Tired to tell me I was at 15days when I went back in but I called in a few days before and asked what day was the 14th Monday or Tuesday I guess they count Purchase day as day 1 and that's what I thought but the person I talked to said no but they called Manager and they honored it. This phone finally seems to be good a few little issue's but they should get worked out soon with software we all hope. The 1st 2 phone's I had the Update Pushed to my phone the 3rd one was already on the phone so might be newer batch ? I was not happy spending over $600 on the phone with the issue's I had on those til this 3rd one which is good so far.

Syntax323 said:
I can leave my phone on my table for an hour and pick it up and itll still be scorching hot doing nothing. Its literally never not hot to touch.
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Then I'd say that even when it's doing nothing, it's still actually doing something, maybe just something it shouldn't be doing.
My Verizon G4 ran warm, and I was disappointed with the battery life. Different monitoring tools were unable to point me to what app (?) was causing the problem. Sometimes it would stay cooler after a reboot. Mine was never just constantly hot, however. Mine would be cool sometimes when sitting around, and then sometimes warm. Like taking it off the charger in the mornings, some days it would be cool, others it would be warm (~95F or so), when it had been just sitting there with the screen off.

Just now for example. After i replied here i out my phone on my table. I just now picked it up and it was 74 C. Scorching. Like its just gonna melt ibro a pile of G4 goo lol.
I guess ill call my store on Monday. Safe mode and clearing cache partition didnt help at all.

Syntax323 said:
Just now for example. After i replied here i out my phone on my table. I just now picked it up and it was 74 C. Scorching. Like its just gonna melt ibro a pile of G4 goo lol.
I guess ill call my store on Monday. Safe mode and clearing cache partition didnt help at all.
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Click to collapse
Are you using a case with it? I recently had overheating issues and figured out that the leather wallet case I was using was causing my G4 leather to overheat. It went as high as 112°5F But as soon as removed it it went back to normal.
Sent from my LG-H811 using XDA Free mobile app

jjdevega said:
Are you using a case with it? I recently had overheating issues and figured out that the leather wallet case I was using was causing my G4 leather to overheat. It went as high as 112°5F But as soon as removed it it went back to normal.
Sent from my LG-H811 using XDA Free mobile app
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Nah I have the black version normal backing not the leather version. I have the thin Tech21 case but i took it off a week ago to see if this helps.
As im typing this my phone is at 75C which is 167 degrees F! So hot!
Possible a Facorty reset could help? I really dont have many apps installed right now either. Since its relatively new ive been slowly installing apps. I started blank, didnt install anything from backups etc. The apps i do have installed are pretty basic. Nothing syncing or running. Ive been clear the recents aswell just to try. Frustrating

Have you tried turning off WiFi? I've noticed occasionally that my phone will constantly drop WiFi on my home router and reconnect a few seconds later, repeating this until I restart the router. All of that constant disconnecting and reconnecting makes it pretty hot...
Sent from my LG-H811 using Tapatalk

All latest smartphones heat up
Sent from my SM-G920T

Supersanborn said:
Have you tried turning off WiFi? I've noticed occasionally that my phone will constantly drop WiFi on my home router and reconnect a few seconds later, repeating this until I restart the router. All of that constant disconnecting and reconnecting makes it pretty hot...
Sent from my LG-H811 using Tapatalk
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Yeah its happening regardless. I turn data off when im on wifi and my wifi never loses connection, it stays constant. Though i did try a few days ago using no data or wifi and same dral, just hot.

Have you tried a factory reset? I leave my wifi on and stream music and everything. The only time it gets warm is when I Fast Charge. But I mostly wirelessly charge so its still cool.
Maybe you should exchange it.

I'm second on that doing factory reset. Seems like you have a corrupted profile or rogue app, or both.
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What sensors are you referring to? With wich app? That's fundamental

I were having over heating problems on my G4. It were so hot at one point that my 6 year old daughter picked it up to play a game on it. The phone was that hot my daughter actually started crying cause the phone burnt her hand. This is not good. I have an awful lot of applications on my handset, over 300 so before I contacted LG I did a LG backup and reset. I restored probably half the apps what I had and a week after I haven't had a problem and the phone seems to be running as it should. The phone isn't even warm.
My theory is the G4 has 64bit processors. The snapdragon 810 processors were known for over heating and the G4 uses the snapdragon 808 processors for this reason. The 64bit processors deal with twice the data at the same time to the old 32bit processors and this contributes to them getting too hot. I feel that a few tweaks by developers and updates from LG is what's needed to combat the over heating. Time is our friend here and a bit of common sense. When you install a new app and overheating occurs then just remove the problem app. I always see how the app affects the handset now for over heating problems.
The 64bit processors in the G4 are new and need to have some updates to combat the overheating I feel. I recommend a system restore, debloating and only using the apps what you need.
I remember when pc's went from 32bit to 64bit processors. There were processors burning out, melting, water cooling became popular and bigger fans to combat the over heating. In time it sorted itself out so I feel this is the case for the G4 and other new handsets running 64bit processors.
Hope this helps.

Did anyone try unchecking the boxes in the my T-Mobile app? My phone went from 50% to %5 in less than 30 mins running crazy hot. You could also try uninstalling the app updates, or using the debloater tool on xda to disable it.
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Same here, although not so hot that it "burns". iPhone 6 got warm but never so hot - software improvements should help combat this over time. +1 on the debloat tool.
One may argue the dead air via removable back cover can act as an insulator vs a compact design. Maybe just get an Otterbox/Thick case so you can't notice the heat as much? Could possibly lower battery lifespan though.

I've had my AT&T G4 for a little over a week. The first couple days the battery life was horrendous so I did a factory reset. The battery life improved greatly however that's when I noticed the top half of my screen getting unbearably hot. Another factory reset didn't solve the issue. So I talked with an AT&T Rep and am taking mine in for a replacement now. Hopefully will resolve this issue. Will update.