Battery drain/ sudden shutdown - Galaxy S 4 Q&A, Help & Troubleshooting

Hi just wondering if anyone else has had a issue with the battery suddenly having reduced charge. Over the last few days my wife has been complaining about her phone discharging in only a few hours. I thought an app might be causing it but I've looked and can't find anything that would cause wakelocks. Now she's complaining that the phone has shutdown after showing a 70-80% charge and then when it started back up was nearly empty. Has anyone else experienced this or can recommend a possible fix please? I'm going to try a factory reset when I get home from work but would appreciate any advise.
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Sent from my Nexus 4 using Tapatalk

That phone has one of the faulty batteries.
Call Samsung and get a free replacement

Related

[Q] Unusual Battery Drain

Hey everyone I have a stock Nexus 4 that was previously rooted but went back to normal and something really weird happened. my battery went from like 80% to 8% not sure if there is something wrong or just a glitch but anyone have any ideas or suggestions to correct this issue
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Likely just a glitch. If the phone works fine just chalk it up to that.
Sent from my Nexus 4 using Tapatalk 2
Yeah it's happened to me a couple of times over the years after a full battery cycle it should be fine.
Sent from my Nexus 4 using Tapatalk 2

[Q] Nexus 4 Random Reboots and Sudden Battery Drain, Stock 4.3

Hi,
Anyone know if this is solvable issue or anyone has any experience or ideas what's going on with my phone? My phone shuts down randomly and when i turn it on after few seconds, it has appx 5-10% less battery then before!! it has happened 3 times in last 10 days already.. And really frustrating..
I don't have any shady apps and using stock 4.3 so no rooting as well..
Pics:
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TIA
I experienced the same issue.
but since upgrading to the kitkat port the issue is gone.
Greetings
Nils
How to get kitkat on N4?! I thought its not out yet!!
Hey lex,
Try downloading 'BetterBatteryStats' from XDA, and 'Wakelock Detector'. Both of these apps can help you pinpoint what is draining your battery. With 4.3 I found that I had a kernel wakelock issue that was fixed by keeping wifi on. Best of luck!

Can't solve this note 4 riddle

See pics below. I noticed that my phone is always awake.
I have tried gsam battery and it offers no inclination as to what is causing it.
I have turned off all location settings. But she still stays awake. I don't think my battery life is bad, but I have ocd and know it isn't right. Any ideas? If I reboot phone it will act normally until at some point phone again stays awake.
In below example my screen on time is 1.5 hours.
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One of your apps is causing it
Bummer. Can't root (Verizon) so hard to tell which one.

Battery dropped 20% overnight. How can I find out what's causing it without rooting?

Nothing in the battery stats is abnormal and the phone didn't wake up a lot yet I lost a ton of battery overnight. How do I find what caused it? Also is their anyway to tell if I have a defective battery? A lot of people here and at /r/motox seem to be getting better battery life. I can barely get 3 hours of sot over 10 or so hours. I really want to keep this phone but if this is going to be normal then I might as well go back to the Note 4.
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Sent from my Nexus 9 using Tapatalk
Install System Panel and let it log the data for some time. I have the paid version, but I think the free version is similar.

battery problem , need help!

my battery drop like crazy , just happens these two days
anyone know why it happens?
and dropped until a certain amount it stops dropping
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and also i have another how to stop android os using your data
cho9736 said:
my battery drop like crazy , just happens these two days
anyone know why it happens?
and dropped until a certain amount it stops dropping
and also i have another how to stop android os using your data
Click to expand...
Click to collapse
Try to disable wi-fi scanning, turn on smart power and update your software. Which model are you using?
Try calibrate battery - there is a few app with root on play store
Less coffee for your device.

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