Galaxy S6- Overheating Problem - Galaxy S6 Q&A, Help & Troubleshooting

Hello community, i just bought the S6 about 5 days, i have all the warranty and stuff like that and this thread is simple...
Im personally a fan of Samsung and i had the S4, and i have never had overheating problems like now.
The S6 Boots with 35°C of temperature. 35°C Its okay, i know, but its not normal for a first boot, right?
Then for the next hours, the cellphone gets real hot (about 45°C), and its annoying because, i mean, i just spend a lot of money and i'm receiving this.
So i had read all the blogs about Factory Reseting and Safe Mode thing and sincerely i had done the reset 2 times and im still getting the heating problem and it's not about playing games for a long time or using the mobile network, etc... Its about a random heat problem that if i charge the S6 it gets hot or if i use the camera it gets hot, if i open the browser it gets hot, hot, hot, hot... So, what should i do now? Any suggestions? Sorry if i repeat this thread, i know that there are people like me out there. Thanks anyways!

Thread moved to proper forum

Fixed!
For all the ppl out there, i rooted the S6 and downloaded DU Battery Saver + CPU Tuner and now my cellphone doesnt overheat + the battery usage is better! You should try it, share this info!!

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[q] htc hd2 cyanogen android, important!

Hello!
I have the MAGLDR 3.7.0 (stable) installed. I installed about 4 months or so ago, which you helped me with.
I haven't used it much at all, only for calling and sms-typing so to say. Well, it works pretty well for that. Unfortunately, I experience alot of problems.
1. I accidently put away the menu (3 buttons) away, and had to turn off and on, so I just rebooted and it got stuck. In the boot-menu, I got "Fatal fail" in red. This was when I had been surfing through the internet for only 30 minutes or so. The phone get's very hot (beneath the battery) and starts freezing and yeah.
Also, I downloaded a game, after 20 minutes it got heated a little bit and froze. Took out battery, power on and it says GO GO GO, but it is stuck. You'll have to wait probably 10-15 min so the phone cools down, for then give it a try and you can get it on. Little freaky, to be honest - at least first time when it happend!
Also when I went into internet, it froze.
What can be the problem? I mean, it works just fine for calls and sms-typing, but for internet and apps and so on, I experience so much trouble it's annoying.
Can you please help me? Have you experienced these problems? Thanks ALOT for all inputs and suggestions you can give me!
---
Also, now after I surfed a little (10 min) plus started Angry Birds after 5 min, it freezed.
Now after pulling in and out battery several times, I can't get it on. I waited 5 min, got it on, but got stuck at the main menu after inserting SIM-code.
What should I do? Really frustrating and annoying!! PLEASE HELP!!!!
I don't really know why this is happening. Also, when I installed, I was supposed to install clockwork recovery 150 mb with 5 mbCACHE, but accidentely installed only without cache since the guy helping me out gave me that link.
Anything will help guys. Hope this thread gets some recognition, and gets a hot topic with many inputs. Thanks yet again!!
The HD2 was quite notorious for overheating. It sounds like your handset has developed this quirk over time, too.
There are several projects around to improve the heat-dissipating efficiency of your HD2. They all require disassembly, though.
Sorry to hear of your troubles
maybe download an app to underclock it to alleviate some of the problems.
PakAttack1994 said:
maybe download an app to underclock it to alleviate some of the problems.
Click to expand...
Click to collapse
That's a great idea, too!
As far as the 3 buttons dissapearing,if you swipe down from just above them they hide,if you swipe up they come back.you can change the behavior of it in settings.
-------------------------------------
Sent from my Dell Streak 7
So guys, I changed my mainmenu layout (the NEXUS one, with stripes flashing all over the screen), and it works alot better. The ram, everything really.
Browsed 10 min, and it didn't get heated almost at all.
Could really the desktop really be the problem??
Strange!
Nicuu said:
So guys, I changed my mainmenu layout (the NEXUS one, with stripes flashing all over the screen), and it works alot better. The ram, everything really.
Browsed 10 min, and it didn't get heated almost at all.
Could really the desktop really be the problem??
Strange!
Click to expand...
Click to collapse
Absolutely. If you're running a live wallpaper all the time, that's working your GPU constantly. Terrible for battery life, too ;-)
Sent from my HTC Vivid
Thank you!!!
But I changed my live wallpaper, from you know the NEXUS flashing one? Stripes flashing from side to side, till a random CyanogenMOD-picture wallpaper.
When I did this manuvear, the phone and the CPU didn't overheat, nor did it freeze, it worked really well.
Unfortunately, I experience extreme battery drain.
Normally with standby through the night, perhaps maximum 5-10% would be off the battery drain with NEXUS-livewallpaper, but with this it is down to 51%. It's sucking battery like a MADMAN.
Any help?
Nicuu said:
Thank you!!!
But I changed my live wallpaper, from you know the NEXUS flashing one? Stripes flashing from side to side, till a random CyanogenMOD-picture wallpaper.
When I did this manuvear, the phone and the CPU didn't overheat, nor did it freeze, it worked really well.
Unfortunately, I experience extreme battery drain.
Normally with standby through the night, perhaps maximum 5-10% would be off the battery drain with NEXUS-livewallpaper, but with this it is down to 51%. It's sucking battery like a MADMAN.
Any help?
Click to expand...
Click to collapse
Battery is often related to the kernel you're running. How old is your battery? If it's been subject to heat for a long time, the cells may be aging quicker than normal.
Sent from my HTC Vivid
juzz86 said:
Battery is often related to the kernel you're running. How old is your battery? If it's been subject to heat for a long time, the cells may be aging quicker than normal.
Sent from my HTC Vivid
Click to expand...
Click to collapse
Probably approx 1-2 years old. The heating was related to Cpu overheat, not battery. Thanks for help bro. Anymore help is hihgly appreaciated
Nicuu said:
Probably approx 1-2 years old. The heating was related to Cpu overheat, not battery. Thanks for help bro. Anymore help is hihgly appreaciated
Click to expand...
Click to collapse
The SoC sits directly under the battery in the HD2. If your SoC has been overheating constantly, your battery has too. Have you ever seen your battery randomly drop ridiculous % over a few minutes?
Sent from my HTC Vivid

Brand new S6 feels warm in light use

Hey guys. I'm from Brazil and I have just bought a Samsung Galaxy S6 (SM-G920I). My previous smartphone broke almost a month ago, so I may have gotten unused to a high end smartphone. It turns out that it is feeling warm during light use like browsing or Facebook. I can't tell if it started after the firmware update because it was one of the first things that I did when I turned it on for the first time. The temperatures that I am recording hovers around 38 °C to 44 °C. When I switch from Facebook to CPUz it is recording around 52 °C but starts dropping right away reaching around 43 °C. It is not hot, but it bugs me since it doesn't seem right to an octacore smartphone feel warm when browsing.
*I've just recorded a 1 minute video in ultra HD and when I switched to CPUz the temperature was at 70 °C, but also started to drop, stabilizing a little at 51 °C.
I've already cleared the cache and did a factory reset.
Do you guys think that I received a faulty smartphone?
I have the same problem on SM G920F which i bought several days before sometimes it goes around 36c battery and 63-64 cpu with no good reason for , like light usage(like messenger,snapchat) it works fine but its heating up and feels quite annoying for hand did anyone experienced same thing, and will buying a case for phone at least make feel better for hand?
Well, my phone was at 48 °C - 54 °C when it was in my front pocket and running only 4 apps on background (WhatsApp, CPUz, browsing, and outlook). It is not even hot in Brazil right now. Honestly it doesn't seem right!
It is normal. The CPU is just too powerful for heat to not build up.
Rest assured I played Walking War Robots on my phone for an hour and a half until my phone was hot enough for me to not be able to hold it comfortably. Nothing happened, I let it cool down for 10 minutes before Fast Charging it.
If it does not show any overheating message then it is not a problem.
Well considering it was built to be premium model its kinda dissapointing , like being 5 minutes on snapchat or 10 minutes of light usage makes him warm and a LOT of worse phones cant heat unless you like play games 10 minutes or really load them.If i put a case its heating like 10-15 % more.
I m suspicious because i havent seen a lot of people complaing about heating verry few people complainted about this.But phone is really great only problem (for me) is heating.
DaryllSwer said:
It is normal. The CPU is just too powerful for heat to not build up.
Rest assured I played Walking War Robots on my phone for an hour and a half until my phone was hot enough for me to not be able to hold it comfortably. Nothing happened, I let it cool down for 10 minutes before Fast Charging it.
If it does not show any overheating message then it is not a problem.
Click to expand...
Click to collapse
Thank you, I appreciate it.
It makes sense that such a powerful CPU would generate some heat, but at the same time simple processes like these
shouldn't cause any level of warmness. I also checked the battery temperature which could be damaging for the phone
and it didn't raise the temperature as much the CPU. My phone had just 2 days of use, so I sent it back and I'm waiting for
a replacement. I will keep you posted.
LuizGustavo19 said:
Thank you, I appreciate it.
Click to expand...
Click to collapse
Hit the thanks button beneath that post of mine then.
LuizGustavo19 said:
It makes sense that such a powerful CPU would generate some heat, but at the same time simple processes like these
shouldn't cause any level of warmness. I also checked the battery temperature which could be damaging for the phone
and it didn't raise the temperature as much the CPU. My phone had just 2 days of use, so I sent it back and I'm waiting for
a replacement. I will keep you posted.
Click to expand...
Click to collapse
I still think it's normal as I've seen the same thing on two different S6 Edge phones.
My S6 overheats too , it's annoying and sometimes even scary.
Sent from my SM-G920F using XDA-Developers mobile app
I've just received a replacement phone. It heats up the same as the old one. It would be so much bad lucky to receive two broken phones. I will assume it is normal and live with that. But I'm not happy with it...
LuizGustavo19 said:
I've just received a replacement phone. It heats up the same as the old one. It would be so much bad lucky to receive two broken phones. I will assume it is normal and live with that. But I'm not happy with it...
Click to expand...
Click to collapse
I will say it once again. It's normal.

Battery life greatly getting worse

Has anyone noticed their battery getting incredibly worse over time? I bought my S7 on release (non edge). And since then, I've noticed that it doesn't last no where near as long. Today, for example I started my day at 7:00am when the battery was 100%. As of 30 minutes ago, the battery reached critically low (5%). From 7am all I did was watch a few videos, facebook, snapchat and then play music. But all the above for not too long.
I've also noticed that once the phone hits the 15% battery (I know due to the notification), that within minutes the battery can be done to 10% or so, without touching it.
I'm more so tempted just to take it back, unless there's an easy fix OR it's a known issue with the current version.
Thanks!
xxshabsxx said:
Has anyone noticed their battery getting incredibly worse over time? I bought my S7 on release (non edge). And since then, I've noticed that it doesn't last no where near as long. Today, for example I started my day at 7:00am when the battery was 100%. As of 30 minutes ago, the battery reached critically low (5%). From 7am all I did was watch a few videos, facebook, snapchat and then play music. But all the above for not too long.
I've also noticed that once the phone hits the 15% battery (I know due to the notification), that within minutes the battery can be done to 10% or so, without touching it.
I'm more so tempted just to take it back, unless there's an easy fix OR it's a known issue with the current version.
Thanks!
Click to expand...
Click to collapse
I've definitely noticed this since rooting. Maybe it has something to do with that? Like a ROM you flashed or what not? I'd like some suggestions here as well.
Thanks!
musashiasano said:
I've definitely noticed this since rooting. Maybe it has something to do with that? Like a ROM you flashed or what not? I'd like some suggestions here as well.
Thanks!
Click to expand...
Click to collapse
I haven't rooted the S7, it was the first phone that I've left stock from opening.
What does the battery stats say is using the most mAh?
Facebook app is a known battery hog
Obviously over time, you'll install different things, and slowly the phone will start using more and more power running background apps
A backup and Factory reset will show if there is a hardware / battery issue, or if it's purely from stuff you've installed over time
Also clearing the caches from recovery could help
yeah ive noticed this too. My usage habits havent changed but my battery life is almost half of what it was when i just got the phone.
*Detection* said:
What does the battery stats say is using the most mAh?
Facebook app is a known battery hog
Obviously over time, you'll install different things, and slowly the phone will start using more and more power running background apps
A backup and Factory reset will show if there is a hardware / battery issue, or if it's purely from stuff you've installed over time
Also clearing the caches from recovery could help
Click to expand...
Click to collapse
Cache has been cleared from recovery, and I don't generally install many apps so since I've bought the phone the apps have stayed the same.
Android system is always on top. Unless of course I spend hours on Facebook.
Might have to factory reset. I've used my phone with the same apps and time since I've bought it, and I'm finding I'm charging it 3x as much.
I think it's a root issue - deep sleep.
After S6 Edge Plus, when you root a samsung phone, it won't go in deep sleep. I believe there's a fix for that.
Have you checked the battery usage stats? It gives you the breakdown on what apps are eating up the battery.
I have had my S7 for about a month and battery is about the same.
Just to update this thread for those that may have a similar issue...the other day I couldn't live with the battery life the way it was. The phone used 50% in several hours where I barely used it.
Decided to completely re-flash with stock (was stock before) as opposed to simply wiping all data. A week in, and the phone's battery life is back to the way it was. I went to bed when it was on 100% (as a test) and woke up 7 hours later with the phone on 94%, with wifi, location and bluetooth on.
Not sure what had caused it to use so much battery previously, but it's back to what it should be and that's all that matters.
hi with my s7 exynos i do 3h screen. i think there is a problem. i bought my s7 one week ago. can anyone help me?
Rooting and installing custom kernels when done right should greatly increase the battery life of your device. This is a well known guide here on XDA for improving battery life for our devices.
That being said, Lithium Ion Batteries hold less charge the more cycles they are put through, its a given fact but as you said your device is relatively new and therefore should not be experiencing this kind of problem. The way I see this is there are 3 possibilities which may be causing the said problem...
1) You have rooted the device and done some modification/s. ( which you haven't done )
2) Your battery is being drained by a service ( Like Oculus or VR ) in fact a number of reddit users complained their S7 was overheating and battery was draining really fast for some reason. Check This page out, It might help you.
3) Battery Defect, you must've gotten a "bad" model, if you haven't tripped KNOX you could try bringing your phone to Samsung and see if they would fix or replace it.
Good luck
I think this has to due to them samsung updates. As far as i know samsung been always doing things like this where they made the OS slow as hell after a while so you gonna get a upgrade sooner but a battery should last 2 years minimal without degrading.
---------- Post added at 03:36 AM ---------- Previous post was at 03:34 AM ----------
petmike2 said:
hi with my s7 exynos i do 3h screen. i think there is a problem. i bought my s7 one week ago. can anyone help me?
Click to expand...
Click to collapse
i get like 5 hours screen on time and bout 1 day standby time but i have most bloatware disabled with the package disabler. But if i was you i would contact samsung.
This happens with Samsung updates on every Galaxy phone. It's like a curse. It's unavoidable.
Enviado desde mi SM-G920F mediante Tapatalk
May i ask if the people with these problems use the fast charge? I hearing many bad things bout this so i switched it off and must say the normal charge isn't that slow and if it can keep the battery good for longer then we all should use this.
I turned fast charge off about a week after I got the phone, was making the phone and charger pretty hot for the sake of about 5-10 mins quicker charge
Pointless really, unless you are desperate, only have a few mins spare and need as much power as possible in that short time, and if that's the case, enable it for that one time
Restrict background data on all but the most important apps (phone, text, email), dave power all but the most important apps. Battery life is fine
Sent from my SM-G935T using XDA Free mobile app

Samsung S7 Exynos Overheating or bad battery?

Basically my galaxy for some reason when I play certain games or use the phone normally the upper center part of the phone heats up a bit and the battery just goes from 90% to 80% in like 10 or 15 mins. I've been thinking about changing the battery but I'm not sure if it's the battery or the phone that has overheating problems because I dropped it over the years and the phone deteriorated.
Hi! After the latest update I noticed that too, that something is wrong with how battery is going down so fast, but I have my phone for 1,5 year, so I will change for LineageOS 16.0 soon when I find some time.
BumblebeeTF said:
Hi! After the latest update I noticed that too, that something is wrong with how battery is going down so fast, but I have my phone for 1,5 year, so I will change for LineageOS 16.0 soon when I find some time.
Click to expand...
Click to collapse
There's one thing that makes me nervous, my phone heats up quite a bit and everytime it heats up the battery just goes that's why I'm confused.
I don't feel heating in mine, so I can't say much about it, maybe it is a clearly OS problem... I had that in my Ace 2 long time ago that after one update phone started to heat, so I downgraded it and everything went back to normal.
BumblebeeTF said:
I don't feel heating in mine, so I can't say much about it, maybe it is a clearly OS problem... I had that in my Ace 2 long time ago that after one update phone started to heat, so I downgraded it and everything went back to normal.
Click to expand...
Click to collapse
I installed lightrom custom ROM and its a bit better but still does the same, I'm praying it's just a bad battery
dekannomad said:
I installed lightrom custom ROM and its a bit better but still does the same, I'm praying it's just a bad battery
Click to expand...
Click to collapse
Batteries only last around 500 charging cycles after that they often cause issues, discharging faster which in turn makes it hot and batteries don't like heat, so essentially the batt is killing itself just as its designed to do.
It doesn't matter which firmware your running if the battery is going haywire and degrading, new batt or new phone is the only solution. AND of course no phone is built to last cause Sammy wants you to keep them in business.
cooltt said:
Batteries only last around 500 charging cycles after that they often cause issues, discharging faster which in turn makes it hot and batteries don't like heat, so essentially the batt is killing itself just as its designed to do.
It doesn't matter which firmware your running if the battery is going haywire and degrading, new batt or new phone is the only solution. AND of course no phone is built to last cause Sammy wants you to keep them in business.
Click to expand...
Click to collapse
That makes sense, thanks for helping me, actually my phone has 3 years, I didn't know it was so old because I bought it from a friend and I asked him a few days ago when he got the phone and he told me exactly when he bought it. I'm just concerned as why my phone heats up more than normal, I've seen people with s7 and they say when they play games the phone stays relatively cool but when I play games my phone goes to like 37C° and I know it might not be that hot but it's a bit unusual for me since I've never experienced a phone get so hot, I have a lot of old and new phones and no phone goes as hot as this one

heating issue

Is anyone getting the same temperatures in normal use?
The phone feels hot every time I use it, like it's ramping the CPU like there's no tomorrow
Yes I am experiencing this too. Within 2 minutes of unlocking it the phone gets hot
Mine has always stayed cool apart from if i'm fast-charging it then it gets a bit warm. Even when I am installing lots of apps on first setup, it gets a bit warm but not hot. Do you also have excessive battery drain?
Mine is always cool. Im comming from Samsung s9 and let me tell you, when you try to use phone while charging it was getting really hot, like you cannot hold phone at all.
Maybe try to factory reset phone, or RMA.

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