Phone overheating - very poor battery life - Nexus 5 Q&A, Help & Troubleshooting

My N5, running XtraSmooth + stock Google kernel recently started heating up a lot. Now I know its summer time and naturally it would tend to get hot, but my father's N5 is always very cool to the touch. Even in an air conditioned house running a stability test brought my N5 to temps as high as 86°, whilst the other N5 was just about hitting 50°. My battery gets notably hot too, and of course that hinders my battery life too. Does anyone know what's going on?
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Sent from my Nexus 5 using Tapatalk

My guess would be you have an app/process running full wack on your phone running up the CPU and draining battery. Look at battery stat screen maybe that will help. Try factory reset and run it empty for 30mins or so (no account no apps) then set up one account and app at a time.

Android malware/virii are on the rise, and I was hit with something that did this but did not show up on the battery monitor of any app.
I strongly suggest an immediate full wipe and clean flash, as well as changing your passwords if you truly want to be safe.

gaosphappy said:
My guess would be you have an app/process running full wack on your phone running up the CPU and draining battery. Look at battery stat screen maybe that will help. Try factory reset and run it empty for 30mins or so (no account no apps) then set up one account and app at a time.
Click to expand...
Click to collapse
Hey, I tried that earlier today but to no avail, battery stats look normal, Facebook is the only third party app that uses battery, but only 2% at that too. It's only kept the phone awake for 50s, and CPU total is 2m so it doesn't look like its Facebook, but my battery still idles at 40-45°. I wiped and started again from scratch but first I let the phone set for 2 hours to let ART finish carrying out any optimisations so the phone could cool down and perform optimally. Antutus stress test still ramped my CPU all the way to 80° whilst the other N5 hit 71° this time around, it quickly went back down and cooled off quickly yet my Nexus took forever.
Sent from my Nexus 5 using Tapatalk

Mines stared to do it too I'm on stock and ElementalX. I've hit 85°C and as it's still rising turned it off. I've seen a few reports of this. I've no idea what it is but suspect an app update. I've used greenfly and Amplify to lock everything down and it seems to work. Its at 52 and charging ATM. Until I did that I couldn't use the phone and charge at the same time

zerosum0 said:
Mines stared to do it too I'm on stock and ElementalX. I've hit 85°C and as it's still rising turned it off. I've seen a few reports of this. I've no idea what it is but suspect an app update. I've used greenfly and Amplify to lock everything down and it seems to work. Its at 52 and charging ATM. Until I did that I couldn't use the phone and charge at the same time
Click to expand...
Click to collapse
I just changed ROMs altogether, even after wiping I was still getting ridiculous temperature gains, more worryingly so for my battery. I remembered during winter to keep the phone cool I added adhesive copper to the battery and CPU, I applied thermal paste and made the copper thicker, I also *removed* the copper from the battery, since during summer time it'll only make things worse. That seemed to have worked since my battery isn't anywhere near as hot anymore. The CPU still gets very hot - around 80° still, but it seems to level out much quicker than before.
Sent from my Nexus 5 using Tapatalk

Related

Strange charging issues

When charging on AC, the app current widget only shows it charging at less than 200mA. I've never seen it get higher than 385mA on either AC or USB.
Shouldn't it be a little closer to 1A when on AC? like 800's or so?
Excuse to have sprint replace it?:good:
Ghetto screenshot is attached.
Well on my doubleshot and the stock charger after it gets up to 100% it will actually go in the negatives to not overcharge the battery, maybe the speedy is doing something like that, but a little bit different
Sent from my HTC MyTouch 4G Slide running MikXE
Back to update this thread a little.
We ended up getting a new battery from sprint, but the problem remains. It charges to "100%", but after 1.5-2 hours of sitting idle, it will be down to 40-50%, but once it gets that far it seems to hold it's own and will last a good portion of the day.
Battery stats have been wiped a few times after charging to "100%". So far I've tried NEWsense and AOKP, both behave the same. I also tried a few different chargers too with the same result, even tried different wall outlets. HOWEVER, it seems to charge and stay charged only if it's plugged into a computer.
I'm now thinking this is more of a HW issue rather than a SW issue like I originally thought.
Has anyone seen or heard of anything like this before?
Now it sounds like a deep sleep issue. Something is keeping your processor running how many apps are installed? Try an app called CPUspy so you can see how the processor is being used, also check the governor to make sure its not set to performance
Sent from my HTC MyTouch 4G Slide running MikTouch
It happened both on fresh installs of NEWsense and AOKP. Only app that was installed was facebook. The issue was happening even before installing facebook. Checked the governor and set it to ondemand for both roms right away, on install, it was set to performance.
I don't think it did this on stock 2.3.4, but I'd have to verify that with my wife to be sure.
bryank930 said:
It happened both on fresh installs of NEWsense and AOKP. Only app that was installed was facebook. The issue was happening even before installing facebook. Checked the governor and set it to ondemand for both roms right away, on install, it was set to performance.
I don't think it did this on stock 2.3.4, but I'd have to verify that with my wife to be sure.
Click to expand...
Click to collapse
On stock the gov will be ondemand.drob sets his kernels to boot performance so there isn't any startup lag ( newSENSE dev ) not sure about AOSP though
Sent from my HTC MyTouch 4G Slide running MikTouch
Cpuspy screenshot. I reset the timers after i took this. Ill check it again in a few hours.
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Sent from my SPH-D710 using xda app-developers app
So I powered the phone down last night and connected the charger. The battery was at 21% when I powered it off. When I looked at it this morning, 7 hours later, the LED was still amber and when it powered up it was at 96%.
I'm going to try keeping it off and charging it until the light turns green, then I'll see what happens from there.
EDIT: I got sick of waiting for the light to turn green. I powered the phone on and it's only at 97%!! After almost 2 hours of AC charging with the phone off, it only went up 1%? Something is not right.
Sounds like something is definitely up. I noticed in your first Pic that your Battery says it's only a 1450mAh Battery. The Shift Battery is supposed to be a 1500mAh Battery. You said you got a new one from Sprint, is it 1500mAh ? What Recovery are you using ?

[Q] AT&T Nexus S - Insane battery drain for no apparent reason?

I have had this Nexus S for nearly two years and recently I ran into an issue with the battery draining BIG TIME for no apparent reason. With any sort of use, the phone will die in 1-2 hours. If it sits by idly doing absolutely nothing, it will go from 100% to dead in ~6 hours.
It is bone stock - never been rooted. It's running on 2.3.4 GB at the moment. I have completely wiped it and set it to factory default. There are no apps installed, no accounts synced up but the drain continues. I even swapped it with a brand new battery and it still does this. Would anyone happen to know what I can do to fix the issue? The phone does have a few scuffs but it has never been severely dropped or gotten wet. It seems to have just started doing this on it's own.
This is the phone after a 100% charge and full wipe. It put it next to me and did not touch it at all. It was down to 50% after about 4 hours.
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Its time for a new battery bro
Sent from my Nexus S using xda premium
krt41 said:
I have had this Nexus S for nearly two years and recently I ran into an issue with the battery draining BIG TIME for no apparent reason. With any sort of use, the phone will die in 1-2 hours. If it sits by idly doing absolutely nothing, it will go from 100% to dead in ~6 hours.
It is bone stock - never been rooted. It's running on 2.3.4 GB at the moment. I have completely wiped it and set it to factory default. There are no apps installed, no accounts synced up but the drain continues. I even swapped it with a brand new battery and it still does this. Would anyone happen to know what I can do to fix the issue? The phone does have a few scuffs but it has never been severely dropped or gotten wet. It seems to have just started doing this on it's own.
This is the phone after a 100% charge and full wipe. It put it next to me and did not touch it at all. It was down to 50% after about 4 hours.
Click to expand...
Click to collapse
I'm no expert, but it looks like you don't have WiFi connected, and from your picture it appears that your cell signal is so weak that its only intermittently connected. When the cell radio has to work that hard constantly to maintain a connection, it will drain the battery very quickly.
On the other hand, if you're stock and unrooted, the phone should be prompting you to update the OS to 2.3.6, then 4.0.4., then 4.1. Any of those may cure whatever is currently ailing it.
superng888 said:
Its time for a new battery bro
Sent from my Nexus S using xda premium
Click to expand...
Click to collapse
I have already tried another battery bro. I said that in my original post.
DavRoc said:
I'm no expert, but it looks like you don't have WiFi connected, and from your picture it appears that your cell signal is so weak that its only intermittently connected. When the cell radio has to work that hard constantly to maintain a connection, it will drain the battery very quickly.
On the other hand, if you're stock and unrooted, the phone should be prompting you to update the OS to 2.3.6, then 4.0.4., then 4.1. Any of those may cure whatever is currently ailing it.
Click to expand...
Click to collapse
I have checked, there are no updates. I think AT&T pushes them out. The phone is stuck on 2.3.4 either way.
There is no SIM card in it. It is not looking for a network at all. True, WiFi is turned on but I seriously doubt that it would drain battery from 100% to 0% in a matter of hours with the screen totally off.

any ideas as to what is going on with my battery

I was running venom xl and I'm now running clean rom and I'm experiencing the same behavior in both roms. I wonder if it's a hardware issue or if anyone else was having the same problem. I leave the phone on it's charger during the day while I'm at work. idle drain seems to be fine for most of the time but sometimes when I reset the phone, whats in the photo is what happens.
any ideas? additional clarification needed? I don't think I use the phone much. I might spend 30 minutes on YouTube watching videos during lunch on my lte connection (which on average takes about 15 to 20% battery) but I don't use the phone except for lightly for emails and occasionally social networks.
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xybur said:
I was running venom xl and I'm now running clean rom and I'm experiencing the same behavior in both roms. I wonder if it's a hardware issue or if anyone else was having the same problem. I leave the phone on it's charger during the day while I'm at work. idle drain seems to be fine for most of the time but sometimes when I reset the phone, whats in the photo is what happens.
any ideas? additional clarification needed? I don't think I use the phone much. I might spend 30 minutes on YouTube watching videos during lunch on my lte connection (which on average takes about 15 to 20% battery) but I don't use the phone except for lightly for emails and occasionally social networks.
Click to expand...
Click to collapse
Use BetterBatteryStats to investigate whether you're getting some kind of wakelock.
Sent from my Evita
timmaaa said:
Use BetterBatteryStats to investigate whether you're getting some kind of wakelock.
Sent from my Evita
Click to expand...
Click to collapse
No wakelocks as far as i can tell.
I'm more concerned about the loss of battery suddenly after restarting the phone, which is why I posted the photo. As you can see, after restarting (the valley in the graph), I "lost" 8% of my charge.
Another weird occurence happened the other day. I had about 20% or so, I was listening to music, and the phone decided to just go from 20 to 10 to off in the span of about 45 seconds. I saw as the battery nose dived and killed itself.
I'm beginning to wonder if my battery cells are dying or are incorrectly reporting a charge to the point where the phone dies while thinking it has more charge than it actually does. Thats why I'm looking for people who may have had the same thing happen to them.
It's not uncommon for the battery meter to lose up to 10% during some reboots. It's also not uncommon for the battery to die more rapidly when it is close to losing charge. It's important to remember that even when we have battery increments of 1% it's not exact, it's only an estimation of the level of your battery. Your battery may not be in very good health, it all depends on what kind of usage it has endured during its lifespan. The more times you discharge this kind of battery fully or close to zero, the faster it is going to degrade. It's more healthy for the battery to receive top-up charges from about ~40% or so.
Sent from my Evita
A "jump" down after a reboot may just be a metering error that is fixing itself. I would think a steady (but faster than normal) decline in battery level to possibly indicate a failing battery. But a vertical (or nearly so) is probably just a metering error. I've seen this happen once or twice on my phone, and everything seems fine with the battery. It just seems like a fluke.
As mentioned, battery metering is far from accurate. It shouldn't be taken for granted that 1% increments, or even close to that are accurate.
Battery life (and whether yours is failing or not) is a very difficult thing to compare, as it depends greatly on how you use your phone, and reception in your area. But the drainage you described, for watching YouTube on LTE (pretty power intensive activity) seems pretty normal to me.

[Q] phone shuts off before 0%

Hi, Is there any full proof method of fixing my phone battery so it shuts off at 0%?
My bacon shuts down at 8% - 4% usually.
and when it does shut down it blacks out. I don't get that pop up with a spinning circle saying you're phone is not shutting off.
Well, unless thats how the OPO shuts off by just immediately blacking out?
I checked to see if it was because my undervolt, so i brought back the voltages to stock, and unfortunately, the problem still remained.
I know you arent suppose to run these batteries dry, but it just irritates me that it would shut down at the 8% mark.
So any suggestions and fixes would be greatly appreciated!
Thanks
robbieast said:
I know you arent suppose to run these batteries dry.....
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If you know that, then why the hell would you want to do it just so that you damage the non-replacable battery and potentially leave yourself with a brick?
robbieast said:
Hi, Is there any full proof method of fixing my phone battery so it shuts off at 0%?
My bacon shuts down at 8% - 4% usually.
and when it does shut down it blacks out. I don't get that pop up with a spinning circle saying you're phone is not shutting off.
Well, unless thats how the OPO shuts off by just immediately blacking out?
I checked to see if it was because my undervolt, so i brought back the voltages to stock, and unfortunately, the problem still remained.
I know you arent suppose to run these batteries dry, but it just irritates me that it would shut down at the 8% mark.
So any suggestions and fixes would be greatly appreciated!
Thanks
Click to expand...
Click to collapse
The battery percentage displayed on your phone isn't exact, not at all, it's only an estimate based on the voltage level it's detecting at the battery. So if your phone shuts down at 4% it really isn't a big deal. If it's bugging you so much you can use a battery calibration app from the Play Store to try to re-calibrate the battery.
But, if you're letting the device get that low regularly, which it seems like you are, you're damaging the battery. You even admit that you're aware of this. So why do it? Running a lithium battery down regularly decreases its capacity, just like keeping it at peak voltage too much does too. So it's entirely possible that what you're experiencing is a symptom of your own bad battery usage behavior.
Transmitted via Bacon
SimonTS said:
If you know that, then why the hell would you want to do it just so that you damage the non-replacable battery and potentially leave yourself with a brick?
Click to expand...
Click to collapse
Gee, I don't know
Maybe I like to see a full screen on time, testing kernels and roms?
or maybe, I didn't expect my phone to shut down at 8%, so I wanted to see if it wasn't just a one time thing because the unknown piques human curiosity
Maybe as a newer model phone, I'm putting some faith into solid build materials from the phone?
My nexus 4 has been run down many times naturally being at school or work and what not, and the battery still runs like a champ.
Useful sentiments here

Phone getting warm in pocket

Hi all,
My s8 plus is getting warm when it is in my pocket but when i keep it outside , it stays very cool. Also while sleeping as well if i keep my phone under the pillow it is warm when i pick it up in the morning, i am not sure why this is happening
I have even switched on block accidental touches option, its still the same
What could be the issue, my idle battery drain is very bad as well , i am thinking its linked to this issue.
My guess is that the screen is on or coming on.
If it's not the screen IDK.
Thanks for the reply.. if the screen was turning on, it should be visible in the battery usage right, but its not , yesterday night I kept my phone under my pillow and my battery drained almost 25% .. attaching screens ..
Another strange thing is if I sum all the drained mah it's only coming around 500 mah but battery has nearly lost 40% .. what drained my remaining battery ?
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Any software that's using Wi-Fi causes this. It was caused by Alcatel link app for me. I forced closed it and it was fine.
I don't have any wifi related app installed, and I am confused why it happens only when it is pocket or under pillow , I think something to do with the proximity sensor but I am not able to nail down the issue. And the battery usage is completely bonkers , it cant even show what drained the battery and what was happening that time.
depakjan said:
I don't have any wifi related app installed, and I am confused why it happens only when it is pocket or under pillow , I think something to do with the proximity sensor but I am not able to nail down the issue. And the battery usage is completely bonkers , it cant even show what drained the battery and what was happening that time.
Click to expand...
Click to collapse
Have you run a comparison, from full charge, between outside pocket, off vs inside time re: drain?
Check the apps usage list or install s.t. like Greenify or the like as a secondary check.
Install a data monitoring app and see if what processes work in the background.
I have the same problem. But then I realized that the pillow and the pocket are warm because of your body's temperature. As long as there aren't any battery drain issues, it is nothing to worry about.
stefan243546 said:
I have the same problem. But then I realized that the pillow and the pocket are warm because of your body's temperature. As long as there aren't any battery drain issues, it is nothing to worry about.
Click to expand...
Click to collapse
He just said there was also a battery drain issue associated with it LOL.
JeffDC said:
Have you run a comparison, from full charge, between outside pocket, off vs inside time re: drain?
Check the apps usage list or install s.t. like Greenify or the like as a secondary check.
Click to expand...
Click to collapse
Not yet , i will try maybe greenify
RossTeagan said:
Install a data monitoring app and see if what processes work in the background.
Click to expand...
Click to collapse
i checked the data usage built in android itself, nothing alarming
stefan243546 said:
I have the same problem. But then I realized that the pillow and the pocket are warm because of your body's temperature. As long as there aren't any battery drain issues, it is nothing to worry about.
Click to expand...
Click to collapse
I have this note 4 which does not get warm when it is in my pocket or under the pillow, so its definitely not the temperature
Mr. Orange 645 said:
He just said there was also a battery drain issue associated with it LOL.
Click to expand...
Click to collapse
:good:
If anyone is interested .. this is the battery drain if I keep my phone out .. fair drain around 5 to 6 %
I think it's AOL.
After a full reset and no apps installed , no more heating in pocket or under pillow, so it was definitely one of the apps , Android battery usage is useless i guess, it cant even track what is draining the battery.
what other battery apps track the usage of apps correctly?

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