[Q] Nexus 7 getting too hot - Nexus 7 Q&A, Help & Troubleshooting

Hey
I bought my nexus 7 about three days ago and I think I have an issue.
When browsing the internet or watching a movies my nexus can reach 35c and when playing tegra 3/Gameloft games it reaches 39-40c is it normal? Happens to all?
It's little annoying and I can't enjoy these games....
Any ways to solve this problem?

What are you talking about, thats waay to low, my OC-ed nexus 7 can reach upto 70c and about 69c should be the top limit, 50c is usual temp, or atleast it should be when browsing
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shevich said:
What are you talking about, thats waay to low, my OC-ed nexus 7 can reach upto 70c and about 69c should be the top limit, 50c is usual temp, or atleast it should be when browsing
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What the hell? 70 celsius ? you can cook with your NEXUS 7 LOL
How you deal with it?

well you know, undervolt for about -100mv, which is pretty stable, if necessary lower my oc to 1.5 ghz and it never crosses 63-64
sorry if i offend you with this question, but is it possible that you were looking at your battery temp, not cpu?
because usually those temps are from the battery, it seems just too low for almost a high end device (atleast it was)
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shevich said:
well you know, undervolt for about -100mv, which is pretty stable, if necessary lower my oc to 1.5 ghz and it never crosses 63-64
sorry if i offend you with this question, but is it possible that you were looking at your battery temp, not cpu?
because usually those temps are from the battery, it seems just too low for almost a high end device (atleast it was)
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Yes I mean battery temp

minecraft
I have had the same issues with the heat on my device. I notice it gets pretty warm quick right where the rear camera is and also the glass gets pretty hot too. I been playing minecraft and it heats up quick, I checked the battery temp with an app and it reached to 31C. This was from playing for about 15 minutes. Browsing the net or watching youtube doesn't have much effect but watching a video with the browser did make the device pretty warm. I gotta admit when playing games its pretty uncomfortable.

Even 40c isn't that hot for an electronic device. I remember my old Galaxy S 4G used to get a battery temperature of 52+ while charging and playing guns n glory in a non air conditioned guard house. Every so often I'd stick it in our mini fridge for a few mins to cool it down.
I would've loved to see how hot that poor processor got, but battery temp was the only one you could check on that device.
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Related

Overclockin

So what is a safe temp for the battery to be running when you overclock the x. I think I red somewhere that the battery can handle up to 65 degrees c. Also does the x have the cpu temp monitoring probe? I thought I heard that the x doesn't?
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Highest mines been was 104° Farenheit while overclocking to 1.45... Usually its around 89° F
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Wow ok so temps that high are acceptable? I was a little worried when mine was running around the low 40's. Seems that the battery door gets pretty warm around that temp.
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What are you using to overclock? Normal operation on my x without being overclocked, under load of course like streaming music and video, I see temps around 38 celsius.
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crxin said:
Wow ok so temps that high are acceptable? I was a little worried when mine was running around the low 40's. Seems that the battery door gets pretty warm around that temp.
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Acceptable?? Sort of. Just because the phone CAN run at that high of a temperature does not mean it should be run for extended periods of time. Excessive heat is bad for any type of electronics. If you are OC'ing to the max, I would try lowering it a bit to see if it works good and the phone does not heat up so much.
They go into cool down mode at 140
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Galaxy s3 hot problem and soloution (experimental)

Hi guys I am from India and on international s3 and face a problem that s3 get hot upto 48c
I have a solution for this(must be work)
1. First of all disabled bundled stock apps like chat on etc I have attached a screen shot of disabled apps on my s3
2. Off NFC android beam.
3.disable s voice( big battery eater)
4.must disable s memo and exchange mail
5.clear cache of all files and apps weekly
6.flip board users plz clear your cache routinely( this apps has a network bug that eat more battery in less time.
7. Set sync of apps like Google +,mail,wheather to 6 hours.
Screenshots are below.
Plz tell me after disabled these apps attached below that the tricks work or not
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48°C is really like nothing. I remember SGS 1 & SGS 2 especially were getting almost 60°C.
So - unless some expert denies - I'm pretty sure temperatures up to 70 will not make harm.
With one exception: temperatures above 40° will shorten battery lifespan in the long run. Li-ion batteries don't like this.
Sent from my Galaxy SIII
That sounds crazy, 70°Celsius? How can you actually still hold the phone on that temp? Almost impossible. My S3 never reached 40° Celsius once so far. But i remeber my HC Desire, when it was very hot outside, it reched almost 50° Celsius and it was HOT like **** in the hand i couldnt hold it very long tbh. And i dont think that this is good for the phone.
70°c can damaged your s3 CPU and you cannot hold the phone. So plz don't make such a comments on temp.
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surender9999 said:
70°c can damaged your s3 CPU and you cannot hold the phone. So plz don't make such a comments on temp.
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Evidence please that it can damage your CPU .
jje
follow this thread to monitor the temp of ur s3 .
Code:
http://forum.xda-developers.com/showthread.php?t=1787145
My device is at 40 degree at normal use
I have read (will post the link if I can find it again) that if a battery gets to 140°F then it can go into a self heating mode, not allowing it too cool down, and eventually catch fire. However, I have accidentally left my dx charging in my car on a hot day and when I came back out, it had shut down and had a "battery too hot" notification. That phone would power off if it got too hot.
Sent from my unlocked GTab 2 running CM10
my phone is so bloody hot .. :|
If you want evidence put your s3 in a oven and see the result
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My gnex once hit 110c CPU temp and it still works fine, it was regularly hitting 80-90c during benchmarks.
To say that 70c will damage a CPU is absolute nonsense, a quad core CPU running at 1.4ghz will hit 65-70c no problem under full load before temperature throttle kicks in and limits the frequency to cool it off.
Battery temp is a different story, 70c battery temp will probably end up damaging your phone/battery.
surender9999 said:
70°c can damaged your s3 CPU and you cannot hold the phone. So plz don't make such a comments on temp.
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Nonsense. Absolute nonsense.
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nodstuff said:
My gnex once hit 110c CPU temp and it still works fine, it was regularly hitting 80-90c during benchmarks.
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Do you really mean Celsius? Water boils at 100°C and I don't think that a CPU could even stand such heat..
kostastoupas said:
Do you really mean Celsius? Water boils at 100°C and I don't think that a CPU could even stand such heat..
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Yes I do mean Celsius, and a CPU isn't made of water...
It shut off as that is the safety cut off point for that particular CPU.
I had temperature throttle turned off.
Quite a few people have hit that temperature, go to the gnex forums and ask Simms22 if you want further proof.
I KNOW a CPU can handle that heat because I have actually seen it.
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nodstuff said:
Yes I do mean Celsius, and a CPU isn't made of water...
It shut off as that is the safety cut off point for that particular CPU.
I had temperature throttle turned off.
Quite a few people have hit that temperature, go to the gnex forums and ask Simms22 if you want further proof.
I KNOW a CPU can handle that heat because I have actually seen it.
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Hi,
I agree with nodstuff and I can confirm
The same thing with my Gnex (not with the same kernel ) With a modified CPU temp limit my Gnex is going up to 98°C, never try with the CPU temp limit disabled but indeed it shut down at 110°C, it's a fact and it's in some doc of TI.
And about the temp of the SIII here we talk about the temp of the battery, not the CPU temp, this is not the same thing, although there is some correlation (but actually with, for example, a battery temp of 50°C, we don't know the real and actually CPU temp)..
When will you have an CPU temp in the SIII??? There is a CPU temp sensor but If I'm not wrong for an application to read the temp the kernel must support it (it's hardcoded).And as far as I know actually there is no way of knowing the CPU temp.
At first with the Gnex it was the same thing, no CPU temp and Franciscofranco has enabled it (the reading by an app) in his app (and also with anothe 3rd apps after) so we can see the CPU temp in real time.
I really missed this feature with the SIII...
May b it can handle so much of heat ..but the question is about using the device whn its hot..do u think its will b very convenient to use the device whn the device is at 100 degree?
I guess its not possible !
surender9999 said:
70°c can damaged your s3 CPU and you cannot hold the phone. So plz don't make such a comments on temp.
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I will make such comments.
They are said to be true
Comparing it to oven is very wrong, as oven gets 200-300°C.
Sent from my Galaxy SIII
Hey can you hold your devices with gloves when it take 110°c I think you have two pairs of heat resistant gloves
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surender9999 said:
Hey can you hold your devices with gloves when it take 110°c I think you have two pairs of heat resistant gloves
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The CPU is at 110c, not the whole phone.
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nodstuff said:
The CPU is at 110c, not the whole phone.
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Its not just the cpu.. when the heat is dissipated the whole area including the screen gets hot.
fatekills said:
Its not just the cpu.. when the heat is dissipated the whole area including the screen gets hot.
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Hi,
Hot for sure but obviously not the same temperature of the CPU.
Temperature dissipated, yes, but not 100% transmitted at all the phone. CPU at 110°C you can imagine that the screen is not at this temperature for example, like the back cover, otherwise beware of burns and it's not the case.
When my Gnex reached 98°C it was hot but not unable to hold in hand.
Guys, you never used a Gnex (or another phone maybe) without a CPU temp limit, so disabled, or a modified CPU temp limit with an higher limit before thermal throttling...? The phone is still usuable.when I read you speak about very hot, extremely hot, or overheating with a battery temp of 45°C... Should not you know the CPU temp...
Ok the battery temp could be useful but not as much as the CPU temp...
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Nodstuff why you not understand the temperature theory for CPU or mobiles if your CPU take in 110°c temp it can caused many problem and reduce deficiency of your CPU.
Other people are saying all this thing so plz listen carefully and don't run your phone on 110°c
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[Q]How long can you play games?

How long can you play games on nexus 4 without having your phone burned up?
and on hd games?
Depends on the game, but I played NOVA 3 for around a half hour and my phone barely got warm (I think 32C or 33C)
I don't really pay much attention to it though, as it never becomes an issue for me
I played NFS MW about 3 hours nonstop and got heated at the peak level ...
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lol, you want to see some real heat. the other day i was in my car listening to pandora via blutooth and playing a game on the phone, after 15 mins the phone was pretty hot. hottest ive ever felt it in a month of using it. phone didnt appear to slow down though.
kaarimitassa said:
I played NFS MW about 3 hours nonstop and got heated at the peak level ...
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what happened?
dannaoj said:
what happened?
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LOL nothing has to put it in cool down as the heat alarm was on ...!!!
jacklebott said:
Depends on the game, but I played NOVA 3 for around a half hour and my phone barely got warm (I think 32C or 33C)
I don't really pay much attention to it though, as it never becomes an issue for me
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Wait... What?
I played Nova 3 for 15 minutes and my CPU temp got as high as 57°C.
P.S. That was with stock kernel.
Sent from my Nexus 4 using Tapatalk 2

[Q] Nexus 4 Heating and Battery Issues

Hello so I bought my N4 on the Dec 3 batch and got it around Feb, the works fine and all but I have 2 main questions
1. The phone gets hot doing simple tasks like browsing the web or watching a youtube video. I am running the CM 10.1 Nightlies and Franco's Kernel r110. Sometimes the phone can get really hot which I then stop using it to prevent any damage. Does this have anything to do with the Custom ROM or kernel because my friend's N4 is stock and unrooted and hes doesn't have any heat issues.
2. The battery on the phone is not what I expected. I hear people who get 4-5 hours on screen time, but I get around 2-2.5. Also I am on a Canadian provider which is Mobilicity if that has anything to do with it. I leave 3G on mostly and just surf the web when the screen is on.
Thanks for any input you guys leave.
If you can take it back to stock and don't root because that is why your friend's N4 is normal besides what more do you want that the N4 doesn't have?
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I like the root features and also cm 10.1 if its the ROM that's making it overheat then I know to change or find a better one
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Hi,
As always "overheating" is very subjective, it depends on how you feel the heat.
CPU / battery temperature?
In any case there is a protection, a thermal throttling. At certain CPU / battery temperatures the CPU frequence is automatically lowered to help reduce the temperature. In extreme temperature the phone shutdown to avoid damages so no worries.
In 3G the phone heated a little more, no problem here that the phone heats up when you re browsing or you're watching a video on Youtube.
You can try to undervolt a little to see if that helps.
As for battery life it depends on too many factors... CPU settings, screen brightness, signal quality, etc...
Search about your questions in this section or in the General section, there are lots of threads about it.
What temperature does your phone actually get? When running stock it would be impossible to see my phone get other 43c and that was only under very heavy gaming but would usually be at 32-36c ive noticed my phone does get hotter when using mobile data instead of wifi. Now running rasbean with franco m1 and temps abit lower gaming has improved greatly but i dont think there is any difference in battery life compared to stock but your 2-2.5 screen time does seem abit low as i get with just web browsing maybe few youtube vids and few minutes of games around 4 hours screen time but i also envy those who are getting 5+ hours
---------- Post added at 11:34 AM ---------- Previous post was at 11:30 AM ----------
Forgot to mention thats 4 hours on wifi on mobile internet i should be able 2 get over 3 hours
The phone gets hot very easily in my opinion idk the exact temp but I have the ringke slim on it and its definitely noticeable from the top of the phone to the bottom. Also does my carrier have anything to do with it because brightness on my phone is pretty low and simple stuff tends to drain my battery.
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Waynesta said:
The phone gets hot very easily in my opinion idk the exact temp but I have the ringke slim on it and its definitely noticeable from the top of the phone to the bottom. Also does my carrier have anything to do with it because brightness on my phone is pretty low and simple stuff tends to drain my battery.
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When i was using a case on my phone it was getting hot from top to bottom but now i don't use case it doesn't get as hot and usually stays cooler at bottom half. I have found most accurate way to check your battery temp is by going on call and dialling *#*#4636#*#* and a hidden menu will come up and tap battery information you will see temp, there was an app that had same info but cant remember name so when you think its hot dial that code and let me know what temp it shows. Also are you using mobile internet or wifi when its getting hot?
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I think it usually gets hot when using 3G so I'm assuming mobilicity isn't that good for this phone? Also I can clearly tell its the top part that is hot when the case is on
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Yep mine also gets noticeably hotter on 3g and yeah it gets hot at the top but after a while will spread to bottom to thats normal. I am currently running rasbean rom with franco milestone 1 and also downloaded pimp my rom from play it has various tweaks and mods so i just flashed battery saving which supposed to help with battery not sure what it does though lol but i managed to get 3 hours 40 mins screen time half of time it was on minimum brightness and other half on 40% was just internet browsing and im sure you will agree that is very good considering i was using 3g the whole time
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Just an update you should try undervolting on franco as i have now done it and it definitely helps with heating and i am pretty sure it has vastly improved my battery life if your interested i will post the values i have used which seems to be perfectly stable so far
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Yes please, do I need any app for this or can I just do it in the settings?
do you have the franco app? As that was what i used to change my setting if yes just go on frequencies/voltages go down to voltages and change from there i have attached screenshot of my setting and make you do not set voltages on boot as if it is unstable your phone is not going to boot up if that is ticked, you will have to change that everytime you reboot until you are sure its stable then u can set on boot
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Do you have a bad signal? Because if so then that will drain your battery a lot more quickly and also possibly make the phone heat up more.
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steviewevie said:
Do you have a bad signal? Because if so then that will drain your battery a lot more quickly and also possibly make the phone heat up more.
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+1
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Phone overheating issue

My G2 tends to get worryfyingly warm when im using a bit more cpu intensive tasks. The cpu managed to get to 67°C when playing 3 races in NFS Most Wanted and managed to get 76° when doing Antutu benchmarks twice and it started throttling. And battery temp stayed around 40~45°. Idk, if this is supposed to be normal(please bear in mind my previous phone was HTC Evo 3D, which barely got hot ). When idling, the phone is just a bit warm. I'm running OptimusRs Pro V4.1 Stock kernel. Is this supposed to be normal for quad core phones or should I get it to service?
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Oh, and when phone is idle, the cpu is 42°C and battery is 32°
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This is normal the g2 is a very powerful phone without a fan eventually phones will have to have small fans and phones may be noisier than today's phones
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I know that, but it tends to get hot very fast, a couple of minutes heavy tasking and its already throttling
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Is it really normal? I mean after 10 mins of browsing even the screen gets really hot..
see if you can check your kernel's cpu profile settings. could be that it's not allowing the cpu to idle when it should be. alot of times there are various profiles you can set it to 'on demand/powersaver/ect...' and this will change the behavior of the cpu's throttling.
Well now we're in the summer and the phone will naturally get hotter since the only thing that cools it down is the environment. If you're browsing under hot sunlight with 100 percent brightness then yes, it is going to get really hot.
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1ackass said:
I know that, but it tends to get hot very fast, a couple of minutes heavy tasking and its already throttling
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its not normal bro. i have the same issue on all aosp roms and cloudyflex roms. my phone becomes really hot. if you give a shot at cloudystock 2.2, your phone wont heat up at all. try it out and be sure to make a nandroid before. just incase if you change ur mind and want to get back to this rom. i wouldnt recommend it though, anthing above 25*C for the battery is bad for its health since its a lithium battery.while the cpu heating up to 70*C is fine i actually use custom throttling to reduce my phone heating that much, i keep the throttling at 60*C
No it gets hot even at 60 percent brigthness while browsing. NFC, BT, 3G are off, i am using only 2 widgets, The top of the phone gets really hot... my sis has S3 and it never ever gets that hot, so do my old Huawei phone..

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