So basically just out of nowhere, about 2 weeks ago, my phone's battery just starts dying really quickly when connected to WiFi. I am talking from 100% to dead overnight (7-8 hours). It's an S6 purchased on release day, original battery, but before this issue, I could easily go a day with normal use and have 40% or more. Even now with the problem occurring, I can leave WiFi off and still get my normal battery life.
No settings have changed (I have always had all the suggested battery saving settings set appropriately), no system updates, just usual app updates. I figured an app update caused the issue so I factory reset the phone with no luck. I ran a suggested app, GSam, to check for usage. It hasn't shown any apps consuming the power, just power draining very quickly when WiFi is enabled.
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Not sure why this screencap is so huge, it won't let me resize it on here. Anyway, it's a screencap from GSam. The first half shows during the day with minimal use with WiFi off. The steep drop just before the green line is usage when I get home and have WiFi on. The solid green line indicates charging. After that is the overnight period with WiFi on, massive battery drain.
I'm at a loss at what to do. I really like this phone and this WiFi issue is killing the usability of it. If I'm at home and browsing apps with WiFi on the phone dies so quickly. If this were an issue regardless of WiFi, I'd understand that it's just old and a dying battery, but it's only ever present when WiFi is on.
Besides trying a custom ROM, is there anything else I can try to fix this? I don't have it rooted and would prefer to just keep it official firmware only if I can.
Thanks in advance.
Related
Hello guys,
Have a small question about battery use when phone is idle, e.g. at night. I loose 1%/hour with 3G/WiFi disabled, sync disabled, and 2%/hour with 3G/WiFi enabled, sync disabled. So no sync, no apps updating or refreshing. When I sleep for 9 hours I lose 18% with 3G on, which seems quite much to me. This also used to be only 4-5% with 3G on. While using the phone my battery is fine actually, I lose 2-3% an hour idle with sync enabled (whatsapp, push gmail, hourly weather, tweetdeck every 6 hours). The battery seems to be a bit worse then before 2.3.4, but I'm not quite sure about that.
So I downloaded BetterBatteryStats to see what might keep my phone awake at night (see pics). The slow decline is at night, no sync. As you can see there is one blue block in which the phone is awake but the screen is turned off. However, this wakelock is not present in the BetterBatteryStats output afaik. Anybody has any thoughts on reducing battery use when idle? Cause I see alot of people who lose like 1-2%, I would like to have that as well!
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Translation:
Phone Signal
WiFi
Awake
Screen on
Charging
When in normal use my phone doesn't show any abnormal wakelocks, it's just that the battery drains quite (too) fast when idle, can't seem to figure out why.
Bump
Sent from my HTC Sensation Z710e using XDA App
last night i slept for around 8 hours, before i slept, i had battery power at 65% left, i wake up in the morning to find 27% left! now i think that verrryy much for idle state as my wifi, edge, games, calling/texting and screen were completely turned off for many hours. i look up the battery stats and found that Android OS had consumed 51%. below is the screenshot.
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somebody please tell me why is that? and how do i get more life out of my battery?
Maybe your phone only goes up to 9 hours...
Maybe it's kernel related.. Are you on custom rom already?
My Droid on a JB ROM has the Android OS consume about 90% of the battery and it dies after 8 hours of screen off time, airplane mode. *shrugs* if anyone has a solution id like to know.
Sent from my MB508 using xda premium
This has probably to do with something that is running in the background.
your phone apparently doesnt go into "deep sleep mode" Only in this mode you lose just few % per night.
I recommand to shut off your phone, take out the battery for a few seconds, put it back in, charge it in one go, then turn it on again. See what happens.
You can, of course, sleep with the charger in.
Welcome to Android, for the most part, our battery life sort of sucks :/
Hi guys, I've flashed the 4.2.1 ROM by albinoman887 and only when the screen is on the lowest brightness it uses a lot of battery, really quickly.
Thread can be found here
When it's on standby the battery lasts for about 7 hours, but when it's on it lasts for around 45 minutes. Please help
I've tried
- Wiping battery stats
- Calibrating battery.
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Your horrible cell signal is at least part of the problem. Your phone is constantly pinging the towers looking for a better connection. That's a serious battery hog.
You may have the wrong radio for your carrier. Or you may live in a dead zone for your carrier.
Also, is this your first battery cycle after a full wipe? I get results like that for the first discharge cycle after install. But then it becomes fantastic. Drain the battery all the way until the phone shuts off. Then charge it using a USB cord on your computer (not the standard power charger) for an hour past when it says 'full'. The slower USB charge can help to give it accurate voltage readings while charging so it doesn't stop charging too early. See if that helps.
The battery on Albino's 4.2.1 is pretty spectacular for most people, so the good news is that this is probably a fixable issue on your end.
The signal was when I'm out and about, most of the time I have 3-4 bars on HSDPA, I may do a full 24 hour charge or get a new battery
I have this problem too.But if i flash last build,baterry life is good.
I've had the phone for just over a day now and the battery life has been fantastic when outside where I have great coverage. However, for the past couple of hours I have been studying in the basement of the library at my college and I noticed that my battery drains around 20-25% per hour (not a typo) when my phone is not attached to AT&T's network, and it is searching for a network. The only application that I have that accesses data when the screen is off is Google Now, and even that has location settings turned off.
It appears that Google Now will constantly try an access a data network even if you are in an area with no coverage at all. My Galaxy S3 did not have this issue. The phone would simply stop accessing data after a short period of time if it could not attach to a data network.
Anyone else have this issue? I have had to turn data off and it seems to have fixed the issue. My phone is no longer using any battery idly.
You can see what I am talking about in this picture
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Sent from my Nexus 5 using Tapatalk 2
ComradeNF said:
You can see what I am talking about in this picture
Sent from my Nexus 5 using Tapatalk 2
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Does that drain persist after a reboot? My phone started chewing through battery for no reason at about 35 hours of uptime.
From what I experienced on my S3 and also the N5, whenever I go to school, I'd have to turn off my data because my coverage sucks there. However, if I leave the data on, it begins to roam/search for 3G signal and will eventually drain my battery. What you're experiencing seems normal to me. Just turn off your data and hop onto the WI-FI connection to conserve your battery. Seems to do the trick for me all the time.
I'm experiencing sudden batter drain on my Pixel XL, which I've had for almost 12mo w/o issue.
I unplugged my phone from the charger this morning (at 98%) and switched on battery saver mode when I arrived at work, which I've been doing daily. Normally, this results in having around 80% (or more) by lunch time, but I glanced over at my phone around 1130 and was surprised by what I saw (53%). I barely used the phone today and the battery percentages for usage don't seem to add up. The only new app I've installed is AT&T Global WiFi, which was installed on Saturday (12/23), with no noticeable issues. I'm preparing to leave the country in a couple of days so any helpful advice/thoughts would be greatly appreciated.
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ssjpiccolo said:
I'm experiencing sudden batter drain on my Pixel XL, which I've had for almost 12mo w/o issue.
I unplugged my phone from the charger this morning (at 98%) and switched on battery saver mode when I arrived at work, which I've been doing daily. Normally, this results in having around 80% (or more) by lunch time, but I glanced over at my phone around 1130 and was surprised by what I saw (53%). I barely used the phone today and the battery percentages for usage don't seem to add up. The only new app I've installed is AT&T Global WiFi, which was installed on Saturday (12/23), with no noticeable issues. I'm preparing to leave the country in a couple of days so any helpful advice/thoughts would be greatly appreciated.
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It's the att app. Go read the reviews for it, sort by most recent.
My bet is that it is hammering your location services while you are inside at work.