[Q] Anyone noticed overheating NOT related to battery/charging circuits? - G2 and Desire Z Q&A, Help & Troubleshooting

Have been having some problems with overheating which I thought I might post here. Thought it was a standard problem on my stock phone: G2 unlocked by TMob. They have replaced the battery a few times and the phone a few times
Then a few days ago I discovered the phone catastrophically hot in my pocket. Too hot to touch!! I called TMob and they offered a replacement (or of course I can pay some small fortune for a minor upgrade)
While I was on the phone with them I noticed that I can unlock the rear without touching the metal cover to take the battery out. When I did this, I noticed that the (half depleted) battery wasn't inordinately hot!!
Has anyone come across this symptom before please? I am a bit reluctant to accept another replacement if this problem will persist and am starting to wonder what is the appropriate phone to replace it with? Or is the only solution in the US to switch to AT&T and see what they have to offer or is this the disaster which it seems to be?
Anyone got any ideas? (Since I discovered Swype, I NEVER use the keyboard)

Heavy use will do it. It doesn't have to be yours. If you are getting a bunch of emails, just texted, etc. it
can get hot; especially if you are outside
Sent from my SGH-T989 using xda premium

I only experience it when im on call, the metal cover for battery is too hot and also the screen that i cant put it near my earr.
Sent from my HTC Vision using xda premium

I've only notice it right after I've falshed something new. Other than that, very rarely (just charging).

I've noticed three things get my various smart phone/PDAs heating up over the years.
1: Charging
2: CPU/GPU usage. The more the phone works, the hotter
3: Radio usage. Cellular radio always seems the hottest.

Related

Overheating - good news

Just to encourage anyone suffering from the overheating - get HTC to change the main board - it's like a new phone ...
I did the same... got the board replaced... they recognise it as a hardware fault over the phone and will replace the main board.... I've got a PVT3 now, I used have a PVT1
There is another very, very long post on this issue, and have been meaning to ask for some advice - this much shorter post has reminded me!
I also have the overheating/rebooting issue, have called HTC and reported the problem. Just waiting to sort myself out with a replacement handset before I call up and ask them to send the courier round... What I would like to know is, what is the best way to ensure that the main board is replaced first time around without any to'ing and fro'ing between me and HTC? How do you get them to recognise it's a hardware fault over the phone (I'm in the UK)? I basically just want to get my phone repaired ASAP and back to me ASAP without any hassle!! (and it's very ovious what the problem is!)
I also suffer from this problem occasionally.
I don't think I will bother sending it back to HTC as it will mean unrooting and flashing the stock ROM. I'm also due an upgrade soon so it will probably be more hassle than it is worth.
I may unroot it and flash the stock ROM and send it off to HTC after I have upgraded. I will then have a spare Desire or can give it to a good home.
Sent from my HTC Desire using XDA Premium App
Possible Fix for Overheating
Hi!
I have a HTC Desire with the AMOLED-Screen, which is said to be way better than the SLCD. I did a lot of research using Google and various forums, but did not find a real fix for my overheating phone: everytime i did more than just listen to music, my phone rebooted over and over again. It did get hot in the commonly described areas (around the microSDHC and SIM-Card and the little black square), and i had to rip off the battery to make it stop. I was really annoyed since i read that i would get a replacement without the AMOLED-Screen, that is why i decided to do some testing on my own. I found out, that i had less trouble with higher workload when i enhanced cooling by putting it in the fridge for example. (Other things like changing the microSDHC did not solve the problem for me.) When it comes to computers overheating, you clean them and have a look at the thermal grease between the chips and the coolers - and that is what i decided to do to my phone. On the inside of the battery cover, there is some metal-like shield in the lower area. I guess it is there for heat dissipation - but maybe it did not have proper contact. As i did not want to clutter the phone with thermal paste, i ordered a pad on ebay (for about 2€), cut it into smaller pieces and attached it to the parts that are known to become hot (see above). Then i attached my phone to the charger and ran a lot of apps, that would usually make my phone crash (Music Player, Skype, Internet Browsing at the same time). The back of the phone grew hotter and hotter (and was, in the end, a lot hotter than anything i have encountered over the last few month with my crashing phone), but it was stable!
So, if you are annoyed with your overheating HTC Desire: This might be a fix for you:
Buy a thermal pad (as it is used for CPUs, GPUs or Chipsets, mine was about 0,5mm thick) and attach it to the metal parts over SIM and microSDHC as well as the tiny black square and the area to the left of it. Mount the battery cover and enjoy!
Hope i could help
Terminator
EDIT: Turns out, the "fix" only delays the reboot-loop. It appears a lot more stable, yet it did still annoy me. Yesterday i handed it in for a replacement.

[Q] Overheating

So, for the past month and a half, I've been having some serious overheating issues with my E4GT, whether I have it rooted and a custom ROM flashed, or running stock. It has now gotten to the point where the phone smells..funky, near the camera on the back. Now, Sprint labels the battery as the culprit...twice now, they just give me a new battery saying the old was swollen, and that it is what was causing it to overheat. Completely ignoring that I state it smells like fried parts. Now, the batteries were all normal in appearance, mind you, not a bit swollen. No water damage either. It gets almost too hot to touch the screen at times, not dangerously, but uncomfortable. I only use the USB cable and wall adapter it came with, as well. ..Yet, battery life actually isn't terrible, go figure. This overheating happens whether I am using the crap out of my phone, or just leaving it sit idle.
Any ideas what to do from here? It makes it almost too hot to touch the screen at times, not dangerously, but uncomfortable, especially if it happens when I make a call. I only use the USB cable and wall adapter it came with, as well. I've made a habit of unplugging it when it says it's at a 100% charge, too.
I'm sick of Sprint shoving me aside every time I go there, which is three times now. So, if there are any ideas as to how I can get them to just replace the damn thing without spending 100 through insurance..lay it on me. I've searched the forums for a solution to this particular issue, no avail. Hell, if it takes purposely bricking for them to pay attention, then I'll do it, but that's on the back burner. Far far back.
I have tried all sorts of things to keep it running smoothly, I guess my main question is how to get Sprint to just replace the dang thing.
Apologies for the novel, guys and gals.
**...somehow the title ended up being just one word. Not sure how it got deleted. I blame cats. "Major overheating issue, getting the good ol' Sprint run-around.." <--should have been that.
Go to a different sprint store....they're being dicks, never had that issue at any sprint store in my area. You have a fault phone and it needs to be replaced.
Sent from my SPH-D710 using Tapatalk 2 Beta-5
I have been to two, but perhaps third one's the charm?
maruutah said:
So, for the past month and a half, I've been having some serious overheating issues with my E4GT, whether I have it rooted and a custom ROM flashed, or running stock. It has now gotten to the point where the phone smells..funky, near the camera on the back. Now, Sprint labels the battery as the culprit...twice now, they just give me a new battery saying the old was swollen, and that it is what was causing it to overheat. Completely ignoring that I state it smells like fried parts. Now, the batteries were all normal in appearance, mind you, not a bit swollen. No water damage either. It gets almost too hot to touch the screen at times, not dangerously, but uncomfortable. I only use the USB cable and wall adapter it came with, as well. ..Yet, battery life actually isn't terrible, go figure. This overheating happens whether I am using the crap out of my phone, or just leaving it sit idle.
Any ideas what to do from here? It makes it almost too hot to touch the screen at times, not dangerously, but uncomfortable, especially if it happens when I make a call. I only use the USB cable and wall adapter it came with, as well. I've made a habit of unplugging it when it says it's at a 100% charge, too.
I'm sick of Sprint shoving me aside every time I go there, which is three times now. So, if there are any ideas as to how I can get them to just replace the damn thing without spending 100 through insurance..lay it on me. I've searched the forums for a solution to this particular issue, no avail. Hell, if it takes purposely bricking for them to pay attention, then I'll do it, but that's on the back burner. Far far back.
Apologies for the novel, guys and gals.
**...somehow the title ended up being just one word. Not sure how it got deleted. I blame cats. "Major overheating issue, getting the good ol' Sprint run-around.." <--should have been that.
Click to expand...
Click to collapse
I had the same problem and so did my woman. Do yourself a favor and download Calkulins battery saver E4GT ROM. I don't know how but it keeps the phone cooler. Seriously. Haven't had any over heating issues since. EL29 stock kernel always causes mine to heat up. Hope this helps
I've used that as well, but the thing still smells pretty bad whenever I use..well..anything. :/ I have tried all sorts of things to keep it running smoothly, I guess my main question is how to get Sprint to just replace the dang thing. I should add that to the initial post...
maruutah said:
I've used that as well, but the thing still smells pretty bad whenever I use..well..anything. :/ I have tried all sorts of things to keep it running smoothly, I guess my main question is how to get Sprint to just replace the dang thing. I should add that to the initial post...
Click to expand...
Click to collapse
Do you have insurance? You could always just brick it to the point where all ya get is the blue led of death and bring it in and tell them the thing just suddenly went off on ya and when you tried to turn it on this is what happened.
Do NOT try to damage it using water because they have these stickers inside the phone and on the battery that change colors when they come in contact with water so sprint will know, and laugh in your face.
my phone also gets very hot like in 120 range
You could send it to Samsung under warranty, and when u go to sprint make sure its a corporate service center and not a 3rd party "authorized service center". When you go in don't mention overheating at first start off with "my phone smells funny, like burning plastic and when I pick it up I notice the screen is very warm/hot to the touch and sometimes has issues with the touch responsiveness" this should get their attention away from the battery and more towards the internal issues, more than likely its the SOC that is overheating if it's hottest near the camera area of the phone
Sent from my SPH-D710 using xda premium

Is mi xperia play unrepairable?

Hi, to start off my xplay fell into the water
I took out the battery and used a drier on it for a long time, when i tried to use it it worked fine however it wouldnt charge battery.
As soon as i was able i changed the battery (to the original factory one, i use a 3400 mah mugen battery) and it wouldnt charge either, then i took it to some technician who jump-started it or something, since then it has been working but the speed of both batteries drain is at last 5 times faster, during my sleep (only data turned on) it discharges about 50%. Drainage is crazy fast.
The phone signal is also very bad, keeps showing that the network is unavailable and sometimes when i try to manually connect to my operator network it does work. the signal display shows 4 bars and still no network even if on the street sometimes. (briefly before i installed doomlord kernel, 2.3.4 android, and jokawild rom in case this issue is known to happen)
This has been going on for like 15 days, everything else works perfectly. However just a couple hours ago touch screen also went mad, it keeps "clicking" all over the place, after doing touch screen service test it keeps drawing lines instead of dots wherever i touch.
I know its a lot of stuff, but i couldnt give up without asking in xda if theres any chance of saving my xplay or i just have to buy a new one.
THX a lot for your feedback.
It sounds like some circuitry may be overcharged from the water, as a similar effect happened with my old laptop. It may not be that though. Personally, I would try to replace it through ebay or the like. I feel bad for you, sorry that happened.
Sent from my R800at using xda premium
You could keep the microSD and put for sale elsewhere as "for parts"
(the conditions of damage make it unable to sell here I believe)
Sent from my R800at using xda premium
The Power Management chip PM8085 was damaged.
Is the 2G (GSM/EDGE, not 3G) signal still working?

Impressions & Questions

I've had this phone for a little over three days now. Overall, I absolutely love it. The only smartphones I've ever owned were the Evo lines, so this was a big leap for me, and I'm not sorry. However, there are a few issues with it.
First is a strange antenna issue. I have the Sprint version of the Optimus G, updated and rooted. When the network mode is set to LTE/CDMA, the 3G antenna will only turn on very rarely, leaving me entirely without internet access. I was about to return in when I realized that the issue is solved when I change it to CDMA only. We don't have LTE in my area, so I don't mind leaving my LTE antenna off. I'm not sure if it's an issue with my phone alone, or if it's a software issue that others have.
Then there's the screen. The screen itself is BEAUTIFUL, and I have no issues with it. But the screen scratches like crazy! I am extremely careful with my phones, and this one in particular. I kinda bought it on impulse, so I didn't have time to order a screen protector for it (one should be in tomorrow though). So I have been treating it with extra, almost paranoid caution. It's only ever been in my pocket while at work (nice khakis, so nothing harsh), and otherwise it's been undisturbed on a table. I check my pocket for any abrasive lint often since there's no screen protector on it. But the screen has developed about a dozen or so scratches, and one of them deep enough to distort the screen when it's on. I don't know how this is happening (the deep one happened in the space of five minutes, inbetween two texts, and was merely put into and removed from my pocket.)
Also, the battery life is kinda crappy. I live near a tower, so always have full signal. At work I'm on wifi, so that's not an issue. The battery scarcely lasts through work, with VERY light usage, and is nearly dead by the time I get home. Today, from the time I woke up with it at 100% to the time I got to work (about 2 hours, with constant near-full signal), the phone dropped from 100% to 76%.
Are these normal issues, or am I the only one experiencing them? I want to love this phone so much, but these seem like serious flaws to me.
I too had to change to CDMA so dont know what is wrong with that. And the scratches is weird ive dropped mine a few times and dropped my keys on the screen and nothing. And my battery is phenomenal. Seems like you have a dud.
Sent from my LG-LS970 using xda premium
In regards to the screen....this may sound like a stupid question and I don't mean to offend, but did you remove the temp screen protector that it comes with? I've not had one issue with my screen being scratched and I can't say I've been all that good to it for the last week.
I've had the phone for a full week now and I have not experienced 3G drops with LTE/CDMA mode enabled. Also haven't scratched it either (thankfully). I constantly put it in and out of my jean pocket throughout the day, so I don't really understand how yours got to be that way.
As far as battery life, I too don't see the issues you're having. Typically I pull it off the charger at around 7AM and can easily get 12 hrs+ with normal usage. Even with Android OS taking up the bulk of my battery (seems to be awake a lot). Lot's of people saying its a battery drain bug, etc. etc. etc...but if I'm getting 12 hrs easily, and 24 hrs with light usage, I don't have a problem with that.
-Screen brightness at 60%
-Wifi on all the time (connected at home and at work - probably helps, lol)
-2 Gmail accounts pushed constantly, Facebook messenger, and a few other apps that auto-update on schedule (news readers n stuff)
-My commutes to and from work - I listen/watch podcasts and/or read. Which means the screen is on the entire time (approx a 1hr commute). All said, my screen-on time sits at around 3 hrs for me.
I'll post some screenshots in a minute...
Here
Sent from my LG-LS970 using Tapatalk 2
No scratches or weird battery issues here. My first two days the battery life was horrid. Afterwards I did some update and poof like magic.
Anyone have any info on the boot loader unlock initiative? I miss aosp
got this phone for sprint yesterday after having a BB for 5 years .. and i'm loving the beautiful screen,.
Only hiccups is maybe the battery... Yesteday i had it full on 100% then after 2 hours went down to 80%..
I'm currently in the office charging the phone to 100% will remove it and do normal routine on it and see how long it last.
JSchoey said:
In regards to the screen....this may sound like a stupid question and I don't mean to offend, but did you remove the temp screen protector that it comes with? I've not had one issue with my screen being scratched and I can't say I've been all that good to it for the last week.
Click to expand...
Click to collapse
Haha, I actually checked for this before posting. It is absolutely something I'd do.
After reading these and other comments about the phone, I realized I probably had a dud. I went to the Sprint store a couple days ago and swapped it out for a new one, and it's running beautifully, with none of these issues. So I guess I just got a faulty one. Thanks all for responding!
Smyc151 said:
Haha, I actually checked for this before posting. It is absolutely something I'd do.
After reading these and other comments about the phone, I realized I probably had a dud. I went to the Sprint store a couple days ago and swapped it out for a new one, and it's running beautifully, with none of these issues. So I guess I just got a faulty one. Thanks all for responding!
Click to expand...
Click to collapse
Good to hear! Sorry, I had to ask...my girlfriend had the same problem with her phone she got a couple months ago and it was because the temporary screen protector was still on the phone!
Anyone finding it gets kinda hot? I've read some owners complaining about this and it was mentioned in some review somewhere. Wondering how widespread it might be. Might be that people keep all 4 cores running 24/7. I don't see the point if you're web surfing, talking, texting. I keep it on Eco Mode most the time.
I've only notice it get warm once or twice, but even then it was barely noticeable. But I've had eco mode on since I got the phone, and it's not hesitated or stuttered once.
Sent from my LG-LS970 using xda app
We are thinking of switching to Sprint, so we went to Best Buy and picked up one of these phones and I'm very impressed with it so far.
Actually this is the second one because the first one had a factory defect in the chrome around the screen. It get home with the 2nd one and notice there is a speck of dust under the glass.
I'm going to return this one in a day or two and see if the third one is a charm. If not, I'm not getting a forth one!
Any suggestions on a different phone for Sprint if this one doesn't work out? To me the only other phone to get would be the Note 2 and then the GS3.
A little help here guys. I was planning to return mine because of battery problem. Like i tried playing Dead Trigger, current battery is 54%, 30 brightness, sync and data is off. I played for good 5 minutes and it dropped to 48%. One more test is after it got 100% full charged, i unplugged it, Wifi is on still 30% and not using it for a couple of minutes it dropped to 97% and im not even using it!
So i want to return it.
The question is:
Do i have to pay for replacement? I got mine at BestBuy for 99$ almost a month ago.
2nd is will still they accept it now it got scratch on four sides. Any suggestion?
iibishop said:
A little help here guys. I was planning to return mine because of battery problem. Like i tried playing Dead Trigger, current battery is 54%, 30 brightness, sync and data is off. I played for good 5 minutes and it dropped to 48%. One more test is after it got 100% full charged, i unplugged it, Wifi is on still 30% and not using it for a couple of minutes it dropped to 97% and im not even using it!
So i want to return it.
The question is:
Do i have to pay for replacement? I got mine at BestBuy for 99$ almost a month ago.
2nd is will still they accept it now it got scratch on four sides. Any suggestion?
Click to expand...
Click to collapse
As long as it hasn't been over 30 days and the phone doesn't look "abused" then you should be fine, also if it's been under 30 days i would add geeksquad protection especially if you plan on rooting, i thought it was a bad investment at first, then when talking to a tech after my evo4g bricked he just said to "make sure the device doesn't power on" and they will replace it needless to say i took a ballpeen hammer too it and got a shiny new one 2 days later.
I took the LG back and got the GS3. I've already had to clear the cache on the galaxy because of excessive battery drain.
If the GS3 fails me, I'm gonna try the Note 2.
Sent from my SPH-L710 using xda app-developers app
Yep, on eco mode the battery is outstanding. The phones is faster than my wifes S3 on eco mode, and I get nearly 2 days without charging. I had the note II for a week and that is just as good but was too big for me. This phone impresses me everyday.
Sent from my Nexus 7 using xda app-developers app

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
Click to expand...
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.
Click to expand...
Click to collapse
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.
Click to expand...
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
Click to expand...
Click to collapse
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
Click to expand...
Click to collapse
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.
Sent from my LG-H811 using XDA Free mobile app
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.
Sent from my LG-H811 using Tapatalk
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.

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