Develop Bugs

Battery Drains when not in use/sleep

Am I in need a new battery? Which ever ROM I use this happens.

Need a little bit more information then that in order to help
Sent from my R800x using XDA

Left the phone idle after I pulled the charger. Came back and it's already below 90% (87) I haven't used any apps,as you see only the usual stuff show up.
droidjunkie said:
Need a little bit more information then that in order to help
Sent from my R800x using XDA
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Researched a bit and heard cell standby could be the issue,are mine normal? Can't tell.

How long was it off the charger for? Also I would be more worried about wifi, if your actually using wifi then yeah leave it turned on but if you're letting the phone just sit there I would try turning it off but I don't user wifi so I'm not sure. You can also try turning the brightness settings down.other then that it looks normal to me.
Sent from my R800x using XDA

Brightness is always below 50%,I keep around 25%.
So 2 hours off the charger,wifi on and idle,87% is normal? Everytime I turn it on just to check the battery it drops 2%, I don't think that's normal.

Honestly that's probably normal if you were away for an hour or so or if you left wifi on. Battery life also depends on which kernel you're using as well.

Solar.Plexus said:
Honestly that's probably normal if you were away for an hour or so or if you left wifi on. Battery life also depends on which kernel you're using as well.
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I'm using DooMKernel v14

Installed Juice Defender, did some tests and just after I unplug, it took a while to go down to 99% took 10 minutes while watching YouTube on 3G but as it got down to 95 % the battery just drains quickly , went to 85% in 5 minutes while browsing the web
Sent from my R800i using Tapatalk 2

i noticed the same thing
i lost my old charger so i bought a new one and thats when i first started having this issue.
phone would seem to charge faster than before but died faster as well when using this charger. (this was my work charger). at home i use laptop to charge and takes longer but lasts longer.
also noticed phone got warmer when charging at work. so i returned that charger and got a different one and problem solved.
so if your using a different charger recently a new one may help

WiFi seems the culprit. Maybe Google how to set the wifi scanning interval
Sent from my Xperia Play using Tapatalk 2

I'll try a different charger. The phone does get hot when plugged in.

Better Battery stats.
I'll bet one of your apps (a wifi app) isnt sleeping, and thats why you are losing the battery.

[Q] Sprint Galaxy Nexus + cold weather (-1* C)

Hello, everyone!
Sometimes my Sprint Galaxy Nexus don`t work correct when cold weather outside (-1-(-2)* C). At that time I can`t unlock my gnex - screen does not turn on and I only see screen with black color on it. But during that phone seems works well (music play, gtalk get new messages).
Is this normal? Do you see such error on your gnex?
Thank you!

Ipeacocks said:
Hello, everyone!
Sometimes my Sprint Galaxy Nexus don`t work correct when cold weather outside (-1-(-2)* C). At that time I can`t unlock my gnex - screen does not turn on and I only see screen with black color on it. But during that phone seems works well (music play, gtalk get new messages).
Is this normal? Do you see such error on your gnex?
Thank you!
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Nope, was in New york the other day and it was -4 or so...no problems at all. Granted, i didn't leave it out for too long and put it in my pocket, but it didn't have any of those issues.

aooga said:
Nope, was in New york the other day and it was -4 or so...no problems at all. Granted, i didn't leave it out for too long and put it in my pocket, but it didn't have any of those issues.
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Hm, thank you.
Maybe it is due to bugs in CM 10 Experimental...

generally the colder temperatures keep all the circuits cooler creating better performance

I have to disagree, I was pretty disappointed today.
I left the house with ~70% battery to play some ingress and maybe take a photosphere or two, panorama, just try it out when I'm outside and there's a bunch of snow.
I have it outside for maybe 10 minutes total (it's about -10C, so around 14F for you americans) and take photospheres and panoramas (only got 1 photosphere and not even 1 panorama..) when the phone just shuts off. Totally, it just cuts off. I assume it's some random reboot issue, so I boot it up again and when I get to the PIN screen it instantly gives me a toast saying "Powering Off.."
I'm thinking "What?! I couldn't possibly have drained my battery from ~70% to 0% in 10 minutes?"
I try to boot it again, same problem. This time I have time to see the battery indicator in the statusbar before it shuts off - it's got a red exclamation mark on it. I assume it's the battery drained out, but I still find it impossible. I go home to check on it, plug the charger in, boot up the phone and voila. I have about 50% battery left.
Here's a picture of my battery stats, you can clearly see where the battery cut out. It also seems like the radio cut out at the same time for some reason:
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So apparently the battery/phone just can't handle sub-zero temperatures, which is a real bummer. I've got a case on it and it seriously couldn't have chilled to negative degrees in that short amount of time.. Im guessing the battery was somewhere in the low digits of the positive celcius scale, but definitely not below that.
Also, notice the BIG drop in battery percentage once I got it to boot again and report its percentage. In that short time I tried to boot it (just tried twice.. so about 30 seconds total) it dropped from 60% to 40%?!
The screen worked fine though, even through one of my thick gloves which dont allow for any capacitive activities at all.
Oh and I'm running 4.2.1 stock deodexed and rooted by bigxie on a GSM Galaxy Nexus in Sweden.

Lithium batteries don't work well in cold weather, you can google more on it.

Ipeacocks said:
Hello, everyone!
Sometimes my Sprint Galaxy Nexus don`t work correct when cold weather outside (-1-(-2)* C). At that time I can`t unlock my gnex - screen does not turn on and I only see screen with black color on it. But during that phone seems works well (music play, gtalk get new messages).
Is this normal? Do you see such error on your gnex?
Thank you!
Click to expand...
Click to collapse
I have the same problem.

not sure where to begin

!!!!PLEASE ASSIST!!!!
So e4gt root running aokp with my own flairs, cwm recovery, stock kernel.... its been rooted about 6months (my second one, smashed old)
so ive never had a problem until today when i was charging it via comp usb and suddenly m computer blue screened (overclocking fun) and of coarse comp shuts off and stops charging... comp comes back on line and now all i get is the blue light of death. finally got it booted into recovery from a homemade battery charger i made did a full wipe restore to factory and still getting the blue light. by now my battery dead. finally charged up again got it into odin and computer wont even acknowledge the phones existence not even in recovery mounted storage. all drivers are fine and ive tried multiple ports and multiple cables as well as 2 different computers.... the real kicker is when the phone is off and plugged in the blue light will flash for about 15min then the phone boots up and then shuts right down "battery low, connect charger". sorry about the length and the slight confusion. ive been working at this for about 3 hours..... p.s JTAG did not do anything... just covering my bases

Flashing blue light means that the battery has failed. In this case, it could be another component in the phone that is failing too. Try getting a new battery. If that doesn't work, I am afraid that you are hosed...
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app

i do have an extra battery from the first e4gt i had and it was still no good... i just wasnt sure if there was something internally i could mod/tweak...
thanks tho id always prefer a second opinion

Dmiles053 said:
i do have an extra battery from the first e4gt i had and it was still no good... i just wasnt sure if there was something internally i could mod/tweak...
thanks tho id always prefer a second opinion
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Pretty sure you're screwed bro... Sucks. But graydiggy is right, unless you're gonna try to fix it yourself.
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bilgerryan said:
Pretty sure you're screwed bro... Sucks. But graydiggy is right, unless you're gonna try to fix it yourself.
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thanks for the insight lol i need an upgrade anyway :crying:

Dmiles053 said:
!!!!PLEASE ASSIST!!!!
So e4gt root running aokp with my own flairs, cwm recovery, stock kernel.... its been rooted about 6months (my second one, smashed old)
so ive never had a problem until today when i was charging it via comp usb and suddenly m computer blue screened (overclocking fun) and of coarse comp shuts off and stops charging... comp comes back on line and now all i get is the blue light of death. finally got it booted into recovery from a homemade battery charger i made did a full wipe restore to factory and still getting the blue light. by now my battery dead. finally charged up again got it into odin and computer wont even acknowledge the phones existence not even in recovery mounted storage. all drivers are fine and ive tried multiple ports and multiple cables as well as 2 different computers.... the real kicker is when the phone is off and plugged in the blue light will flash for about 15min then the phone boots up and then shuts right down "battery low, connect charger". sorry about the length and the slight confusion. ive been working at this for about 3 hours..... p.s JTAG did not do anything... just covering my bases
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Not sure if this will apply... but I had my phone go crazy where it would charge but as soon as I took it off the charger it would give me that ( battery low, connect charger ) and shut off. But in my case it would boot when plugged in. I went into recovery and wiped the battery stat stuff and it fixed it... probably different situation then what you're looking at but thought I'd throw it out there..

SM-T320 slow charging

Hi guys, anybody has an idea why is my SM-T320 is changing that slow. It almost cannot reach 100% even if I keep it 13hrs or more on the charger. Reboot doesn't help, maybe if I switch it off is a little bit faster, but not so sure.
Thanks in advance.
Sent from my SM-T320 using Tapatalk

Yeah sometime it happens with this device my best advise is don't try force charging it (leaving it plugged in), it will only make it worse and damage / overheat the batt..
Do this instead leave it at the current charge and use the tablet until the battery is down to about 10-15% then reboot the tablet, see if the percent changes as this forces the tablet to re-evaluate the battery, then fully shut down press the power button down for 5 - 10 seconds and choose power off.
plug the tablet into the samsung charger (don't use unofficial chargers/ cables if possible), it should reach 100% now.
some other things I have tried that can help
I have a cable that monitors the amperes and sometimes I notice the tablet doesn't request enough feed from the charger (it starts trickling at like 100mA) usually when its almost nearly charged,
so sometimes if you force keep the screen on with moderate or full brightness, and power saver turned off while charging this causes the charger to send more current and you will notice it will say 100% a lot faster, so that is another thing you can try.
As a last resort you can re-seat the battery but I would only suggest that in extreme cases.

[email protected] , thanks. Last night exactly at midnight i put it on the charger, it was on 50% like. After 7 hours it was 95% . I rebooted it and after 3 minutes it was 100%.
Sent from my GT-I9505 using Tapatalk

I was having the same problem, changing the usb cable did the trick...

I tried with my i9505 charger which is the same but again the same issue. Actually for example when reaches 30% it stops you have to reboot the device to continue chargin. Sometimes but not very often it charges normally.
Sent from my SM-T320 using Tapatalk

Yeah it's very picky sometimes I wonder if it's temperature related, mine was never as bad as yours but I have seen it stop at around 95% a few times, I have an amper cable and it reads like 100mA - 50mA (in standby, 0mA - 10mA if wifi is off), sometimes unpluging the charger and re-pluging it in gets it going again.
You could try to fully shut the tablet down, and keep it off for 24hours - let everything kindof reset and discharge (like if it was exposed to ESD) , shame samsung didn't include a reset button since that would be like pulling the battery.

You might have the same battery problems many of us have, check the link in my signature on how to fix it.

I had that problem too.
Tried drain the battery end then it would sometimes charge to full but after 1 or 2 charging cycles the problem re-occured again.
Reseating the battery was the solution for me. After i have done that the problem never occured again. ( 8 months ago )

I believe it's somehow related with the smartcase. You guys have smartcases?
Sent from my SM-T320 using Tapatalk

osssinator said:
I believe it's somehow related with the smartcase. You guys have smartcases?
Sent from my SM-T320 using Tapatalk
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No, dont use any case.
I dont believe it is heat related. The onlu thing i did was disconnect the battery and reconnect. After i have done that it was like i had an new battery.
No problems with charging anymore and a little bit more stamina.
Dont know why, but many of us had this problem and this seems to fix that "bug".

I use an amp cable (shows the current flow), if the reading is less then 1880mA (at 50% or less) then I unplug the charger and cable use the tablet alittle more then re-plug it in - hasn't failed me yet

I think I found a solution :
Leave the device to complete discharge until it switch off by it self. Then put the charger but don't switch it on. Let it charges to 100%. I did that 3 times. Now I successfully charged it to 100% 2 times without switch it of.
The reason why I am looking for that kind of solution is because I have warranty, but Samsung will keep it for like 2-4 weeks.
Sent from my SM-T320 using Tapatalk

marbee said:
I dont believe it is heat related. The only thing i did was disconnect the battery and reconnect. After i have done that it was like i had an new battery.
No problems with charging anymore and a little bit more stamina.
Dont know why, but many of us had this problem and this seems to fix that "bug".
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Actually when you have disconnect and connect battery, the battery connector doesn't make good contact with pins of the black battery connector on main board.
The fix is very simple, push the clips of battery cable closer
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How to do it with a thin knife
https://www.youtube.com/watch?v=PU0OoZSbma8

First overnight charge device very hot.

I reached over to check my phone a bit ago and quickly recoiled my hand as my device was crazy hot. Anyone else had anything like this right off the bat?
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That's almost 120 degrees... Device has been at 100% for approximately 5 hrs.
Sent from my Pixel XL using Tapatalk

arcanexvi said:
I reached over to check my phone a bit ago and quickly recoiled my hand as my device was crazy hot. Anyone else had anything like this right off the bat?
That's almost 120 degrees... Device has been at 100% for 5 approximately 5 hrs.
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Wow, yeah I just don't plug it in over night. Was it laying on the carpet?

[email protected] said:
Wow, yeah I just don't plug it in over night. Was it laying on the carpet?
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Nope. Nightstand.
Sent from my Pixel XL using Tapatalk

I had a similar experience. When I stopped using it while it was plugged in, it cooled right down.

Maybe HTC is next
This :
https://www.youtube.com/watch?v=fQjAM94W23Q
https://www.youtube.com/watch?v=enK5XGETCZM

Have a bucket of water near by just in case...

I charged mine overnight and it was not warm/hot.
I didn't use the included charger. In my bedroom I have an old charger that is not a quick charger, so maybe that was the difference.

I left mine charging overnight with the charger it came with and it was fine.

arcanexvi said:
I reached over to check my phone a bit ago and quickly recoiled my hand as my device was crazy hot. Anyone else had anything like this right off the bat?
That's almost 120 degrees... Device has been at 100% for approximately 5 hrs.
Sent from my Pixel XL using Tapatalk
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That doesn't seem normal.
I leave mine plugged in all night with a case on (which traps heat) and mine was cool this morning.
Sent from my Pixel XL using Tapatalk

JasonJoel said:
That doesn't seem normal.
I leave mine plugged in all night with a case on (which traps heat) and mine was cool this morning.
Sent from my Pixel XL using Tapatalk
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That was just the battery temp. The outer shell was barely able to be handled. It was like touching a pot shortly after cooking. It quickly cooled down after unplugging it.
Sent from my Pixel XL using Tapatalk

Hi
arcanexvi said:
That was just the battery temp. The outer shell was barely able to be handled. It was like touching a pot shortly after cooking. It quickly cooled down after unplugging it.
Sent from my Pixel XL using Tapatalk
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It probably wasn't the battery but the phone was on and an app was cranking up the CPU constantly making the device hot (which would have also raised the battery temperature), and as it was plugged in to mains the phone never went to sleep and the app just keep the CPU ramped all night long. It doesn't take much constant polling of the CPU to cause the temperature to raise when that goes on for hours.
Regards
Phil

arcanexvi said:
I reached over to check my phone a bit ago and quickly recoiled my hand as my device was crazy hot. Anyone else had anything like this right off the bat?
That's almost 120 degrees... Device has been at 100% for approximately 5 hrs.
Sent from my Pixel XL using Tapatalk
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Click to collapse
Have you got the app list of what was running while it was on charge ? Had mine in my quick charger 3.0 unit and no heat and it was in a silicone case, have you tried another charger ?

Just curious, how much does/if the processor throttles when hot?