Hi, I usually leave my phone under my pillow overnight, I know it's not the best idea, but I have being doing this since I have a smartphone.
The problem is that when I wake up my phone is very very hot.
Just to clarify I don't charge my phone overnight, I know that generates heat.
A phone doing nothing should not generate heat, I am very dissatisfied with that
So you think my phone is faulty? Do this happens to you?
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Well, mine does heat up too when I play games or charge it. If you bought it new, expect it to get slightly more hot during charging for first few days.. atleast thats what happens to me. After few days, software updates etc your phone should not heat so much that you cant hold it in your hand. Also, the phone is made up of glass and metal so it does feels more warm than lower end devices like A50, A7 etc
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well when i first got my phone i only charged it when the battery light was red and hollow. And at times i would put it under my pillow due to the alarm being so loud, didnt want to wake up my son.
But the past few days when i charge it and put it under my pillow it gets really warm, it never did this before, any reason why?
AFAIK all phones do, as well as any battery you charge (MP3 players, laptops, etc).
yea I agree, I think that is something most smartphones do, my mytouch did it... so did the g1
Thats because it charges at 1000mA via AC.
Don't charge it under your pillow! definitely not good for it.
Today I charged for an hour my n1 over usb.
It was really hot.
Then I go to home, and when I arrived, it was again really hot, and battery life is over.
So I reboot and now is ok, but is very very strange...
yeah they get hot, i have the battery life widget and also shows the battery temperature, when it was charging it peaked to 110 degrees lol
I came from a mytouch 3g, didnt have it long, i love Android, i guess i change the alert to something more calm. But before i charged it under my pillow and it never got hot. Maybe its a wear and tear thing
Any device to which you're pumping power into, or using power, generates heat. That's how it works. The only difference between the devices is how much it draws; the more it draws, the hotter it gets.
Yep. Don't charge under your pillow. It needs air or it will get super hot. Not a good thing.
Man...I thought my N1 was going to burst into flames today. 114.5 degrees...not sure if it would have gone any higher.
I was in the car using an AC/DC adapter. Had my navigation going along with my music. The glass on the phone got hot to the touch! I unplugged it right away.
How high of a temp can this phone endure without damage? If it were to overheat, would it just freeze up and shutdown?
Anyway...what's really weird is that the phone was plugged in when battery life was at 80...when before I unplugged...it was at 79. Huh?
warm nexus!
i charged my nexus tru the usb a few days ago, yes it got warm like always but when it was fully charged. it stayed warm even when it was unplugged from the usb. i know that was kinda odd and it drained the battery, it was at 76% just after 30mins. so i reboot and everything went back to normal. what the hell?! i think its a bug. what i do now just to be safe is i reboot the nexus after every charge and check if it stays warm...
So I was charging my phone last night and it was under my pillow on airplane mode as usual, because I use it to track my sleep patterns. But this morning I woke up phone was off, with the charging battery icon showing only, and was so hot to the touch I literally couldn't even pick up the phone. I was really surprised it didn't melt or start a fire, that's how hot it was.
Now today after letting the phone cool down, it doesn't seem to be taking charge well at all, I'm having a very hard time getting past 25%, if I use the device while charging it will actually drop charge while in use (and this is with the wall charger).
I'm thinking the battery cells have been damaged by extreme heat. but just wondering if anybody else had the phone get this hot?
Sounds like damage to me! Sorry to hear that man.
Also seems like an irreversible damage to me :/
Some day I accidentaly left my LG GT540 letting it charge under my pillow. It got EXTREMELY hot and I unplugged it swiftly; I was so frightened that the battery (Li-Ion!) might have literally blown up.
To be honest, you should be grateful that your pillow didn't catch on fire together with your head, really... NEVER EVER LEAVE YOUR PHONE CHARGING UNDER ANY PILLOWS!
Well guys funny thing is, seems to be charging ok now.
I believe I'm having a similar problem that a lot of other people are having with the phone getting stuck on USB charging mode even with the wall adapter, so not accepting ACpower. But once I reconnected it a few times now its charing on AC and got back up towards 70%, so I think luckily I might be ok.
But damn this phone gets so much hotter than the galaxy nexus.
My phone never gets hot when charging...ever. I think you might have an issue with your phone
My phone has serious temperature problems... If I surf in the internet and Facebook then my S4 is almost always at 40°C . When playing games then it can reach over 60°C (where the CPU is under the screen, measured with optical IR thermometer) It randomly starts heating up in my pocket till it is so hot that I cant hold it in there anymore.
Battery life is around 8 hours with LIGHT use!
I bought my S4 on first may and that problem appeared after summer holiday.
In November I sent it to warranty, It took them like 20 days and they did basically nothing to it. I haven't had any time to send it back there because I need my phone.
Yesterday I put it in a warm glove mining Dogecoins using AndroMine (android CPU/GPUminer) with charger connected
After 15 minutes it was at 67°C and battery was down to 30% form 97%. About 5 minutes later I heard a vibration, it had turned off and it didn't boot anymore. I was very happy, because I thought I manged to burn it down. Unfortunately it booted after cooling down . Now the battery life is even worse...
I'm thinking of putting it mining in oven... oven at 50°C I know that S4 has temperature protections but sill it might work. And the battery inside definitely doesn't like heat, so it might pop .
If I mange to burn it then I will get warranty replacement!
All crazy ideas to burn it down are welcome !!!
Sounds like a defective battery. See this thread
http://forum.xda-developers.com/showthread.php?t=2504093
dratsablive said:
Sounds like a defective battery. See this thread
http://forum.xda-developers.com/showthread.php?t=2504093
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Click to collapse
The thing is that my battery serial is YS1D420JS/2-B
And how can defective battery make phone become hotter?
Hey everyone
I'm usually super careful when it comes to my smartphone and battery health, I only charge it as slow as possible and try to limit charges over 80% or under 30% as much as possible.
However last weekend I left my phone in the car by accident. Of all things I chose one of the hottest days this year so far, the car was standing in the blasting heat for a couple of hours. After getting back I kind of panicked when I noticed that I had left the phone in the car, it was very very hot. In this state of panic I immediately turned it on (I know I shouldn't have). The device booted up normally, however the touchscreen seemed to be less responsive than usual.
Now I kind of fear that I ruined my battery's health. Subjectively it seems like I need to recharge the phone sooner. Is there any way to tell how much damage I did to the battery?
Thanks for the advice!
Hi
One of my S4's, i9505 variant, has stopped charging out of the bloom. Batteries that recognise as 50% full on my functioning S4 identify as 0-2% on this broken one. In stead of charging, it gets extremely hot and shuts off the charging screen due to this.... But continues heating. Because the screen is broken as I use it as a spare battery charger, I swapped the main boarded into my working phone to see what is on screen. And it almost cooked my good screen :laugh:.
Does anyone know this issue or how to fix it?
It's not worth fixing. The motherboard itself needs to be replaced.
Strephon Alkhalikoi said:
It's not worth fixing. The motherboard itself needs to be replaced.
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Click to collapse
Alright thanks. Was hoping to save it as I use it to charge my spare battery. Was so useful. R.I.P
Strephon Alkhalikoi said:
It's not worth fixing. The motherboard itself needs to be replaced.
Click to expand...
Click to collapse
My battery can reach 41c while charging and intensive use usually and feels warm to the touch. But when I left it in the dodgy phone it felt a bit hotter. I'd say 10c hotter as a guess. Would that damage my battery? It was sitting plugged in for about an hour at most and probably wasn't charging much. (The battery was the coolest part of the phone yikes)
The top of the phone was too hot to touch at all. Battery felt about as hot as my normal S4 gets under med use. Toasty but not untouchable.
Heat is never good for a lithium ion battery as the materials that make up the battery degrade as a result. That said, 10 degrees warmer isn't going to affect the battery enough to kill it. The motherboard itself likely developed a fault that killed its charging circuit. You should be thankful the battery didn't get a power surge from the fault, or you'd have set your broken device and whatever it touched on fire as the battery exploded.