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Battery life is plunging from 80% to zero

Hey all,
About three weeks ago I had a strange problem. I noticed that in two straight charge cycles, my battery life plummeted from about 80% to zero in just a few hours. I'm not sure what the issue was. I hadn't changed settings, installed new apps, etc. My first screenshot shows an example of what happened. 4G and data were off during the entire time.
Since then, things have been okay. I typically get 3 days standby with 4G on and light use, or 4 days with 4G off. That's mostly standby with maybe an hour or so of talking and minimal use.
After those strange battery plummets, I installed and used GSam Battery Monitor to get more details about what processes were running on my phone in case I noticed the sharp drop happening again. Everything had been fine for over two weeks, with me getting expected battery life before this issue and not experiencing any odd, sudden drops (maybe 5 or 6 charge cycles). This lends me to conclude that my battery's charge capacity is okay, and calibration also shouldn't be an issue.
However, the problem arose once again a couple days ago. Went from 75% to nothing in just a few hours. 4G was off during that time. The third and fourth screenshots show the same issue. Charged my phone, and this morning the same thing happened yet again. At about 90% the plummet began, and within an hour or so I was at 75%. At this point I took screenshots of Android's battery status, and I also did the same for GSam to show what apps and processes were running. The phone's temperature seemed fine.
The GSam screenshots taken when the phone was at 75% and dropping are in the next post, since I'm limited to four images in this one. I have no idea what's causing this massive, sudden battery drain. The only thing I can think of is that I've done Verizon's OTA updates, but otherwise pretty much all my settings, apps, and usage are the same. Plus, for two weeks I had normal battery behavior, so I'm completely baffled.
I also know that cell standby is incorrectly reported in the GS3 battery screen, and I'm getting a good signal where I live so that shouldn't be a problem. I forgot to get screen time for the first case (first two images), but it shouldn't be more than 10-15 min there since most of the charge was lost due to the freak plummet.
If anyone may have an idea of what's going on, or if there are some tools/tests I may use to figure this out, I'd really appreciate it. I turned off my phone after taking the screenshots at 75%, so if I need to turn it on and check something for you I can probably do that. Thanks a lot.

FYI, here are GSam screenshots from when the battery was in the process of plummeting this morning.

i think you built in battery status settings are off. i barely get 12 hrs with medium use, so what i think it happens is that the battery monitor is not showing the proper discharge, and then all of a sudden it catches up to the discharge rate.
are you on stock rom, rooted, unlocked bootloader?

wizzardeel said:
i think you built in battery status settings are off. i barely get 12 hrs with medium use, so what i think it happens is that the battery monitor is not showing the proper discharge, and then all of a sudden it catches up to the discharge rate.
are you on stock rom, rooted, unlocked bootloader?
Click to expand...
Click to collapse
I am stock rom. No rooting, no unlocking.
These plunges are definitely an anomaly. Truly, with me barely using the phone and turning off mobile data, I get a few days of standby. I've had the phone since July, and the aberration in battery behavior has been the steep plunges I've shown.
In between these instance of steep plunges, I've had normal use. I really don't think it's an issue of calibration. Please believe me when I say that my normal, light use during the past four months gets me anywhere from 3-5 days with me barely using the phone. When I say barely using it, I mean not even touching it for an entire day if nobody calls me. But now, a sudden plunge in battery life is happening at 80% with no apparent reason.
I think it might be some kind of software or hardware glitch, but it's impossible for this to be normal given the battery life I typically get. Just looking at that steep drop, it's crazy and just happens out of nowhere.
But please trust me when I say that these sudden plunges that have happened a total of 4 or 5 times, causing the battery to drain completely in a few hours when I'm not touching it, are quite a drastic aberration from the normal standby life I get. Something is definitely wrong here, I just don't know what.
And one more thing to add is that after this sudden plunge and rapid drain, charging the battery still takes the normal time it does when I'm not having this issue. That is, about 2.5-3 hours to reach a full charge (and I charge with the phone 'off'). The battery is being completely drained. But this happened twice, then didn't happen for maybe 5-6 charge cycles, then happened again twice.
Before the first instance, I remember an OTA Verizon update around 10/5. My phone was okay for 2-3 charge cycles after that. Then two rapid drains. Then 5-6 normal cycles. Then two more rapid drains. There was a second Verizon OTA update somewhere in there but I can't remember.

and you said it only started once you did the OTA update from verizon right? well you could either try to go back to the stock verizon rom pre-update and see what happens there, or contact verizon and let them know what happens with the new OTA update. they could replace your phone, or it could be a bug of the new OTA update. i am on stock rom and rooted and deleted the apk that kept on trying to push the update. just unlocked by bootloader and so far my battery life has improved compared to previous locked bootloader.

i would take it to a verizon store and show them. They might give you a new battery.

I may have to do that. I'm just not really sure what the issue is.
- The battery can still hold a full charge.
- Based on running services, nothing is causing high CPU usage.
- The sudden plummet almost seems kind of random.
- Since there have been normal charge cycles, it's not an issue of calibration.
I'm not sure if this is a hardware issue or software issue. I'm trying to wrap my brain around what could cause the battery to drain so suddenly and sharply. Could the charge somehow be "leaking"? But in that case I'd expect it to happen all the time. If there's an underlying software issue, is there any other tool I might be able to use to figure it out?

Does the phone get hot?
Sent from my SCH-I535 using xda app-developers app

jhoutz said:
Does the phone get hot?
Sent from my SCH-I535 using xda app-developers app
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Click to collapse
Not from what I can tell. Note that the first couple plummet drains were overnight.
But today I caught it before noon. The phone wasn't hot, and the GSam screenshots show no CPU stress.

Maybe you can do a factory reset and se if that helps. They will probably do one if you bring it to verizon anyways. It sure sound like a hardware problem. You'd think if the processors are working that hard that the phone would get hot, I know mine gets pretty hot sometimes under heavy use.
Sent from my SCH-I535 using xda app-developers app

Thing is, all indications show the CPU isn't working hard, and the phone wasn't hot.
I'm stumped.
This is a noobish question, but I presume the only way to go back to stock is to factory reset? One thing I might wait for is the Jelly Bean update, presuming this random drain holds off until then.
But yea, I dread going into VZW because they're just going to try to pass this off onto me doing something wrong, or me not knowing how to calibrate the battery, etc. The information I've provided in my OP and in the screenshots would fly over their heads. Maybe I can just do an online chat and tell VZ to send me another battery?
The only other thing I can think of is that sometime before these plummets happened, I went online to MyVerizon and turned off the Backup Assistant for movies/music/etc. so I wouldn't get all those notifications. I don't think this could be the issue, since the plummet happens when data is off. Plus, GSam would show that Backup Assistant is hogging the CPU or forcing a signal.
I doubt swapping batteries will fix it, though. I'm thinking my internal hardware might have a serious problem.

inm8num2 said:
Thing is, all indications show the CPU isn't working hard, and the phone wasn't hot.
I'm stumped.
This is a noobish question, but I presume the only way to go back to stock is to factory reset? One thing I might wait for is the Jelly Bean update, presuming this random drain holds off until then.
But yea, I dread going into VZW because they're just going to try to pass this off onto me doing something wrong, or me not knowing how to calibrate the battery, etc. The information I've provided in my OP and in the screenshots would fly over their heads. Maybe I can just do an online chat and tell VZ to send me another battery?
The only other thing I can think of is that sometime before these plummets happened, I went online to MyVerizon and turned off the Backup Assistant for movies/music/etc. so I wouldn't get all those notifications. I don't think this could be the issue, since the plummet happens when data is off. Plus, GSam would show that Backup Assistant is hogging the CPU or forcing a signal.
I doubt swapping batteries will fix it, though. I'm thinking my internal hardware might have a serious problem.
Click to expand...
Click to collapse
Before the update, was everything normal?
Is the update with the HE base/baseband?
It probably isn't a hardware problem, just a bad base.
I've noticed after updating my GS3 to the HE base and the battery life was just horrid.
It's said that the new HE baseband uses up more battery also

emckai said:
Before the update, was everything normal?
Is the update with the HE base/baseband?
It probably isn't a hardware problem, just a bad base.
I've noticed after updating my GS3 to the HE base and the battery life was just horrid.
It's said that the new HE baseband uses up more battery also
Click to expand...
Click to collapse
Sorry, I don't know what you mean by "HE" base/baseband.
But yea, this problem didn't come up until after an OTA update.

Check your baseband version under Settings -> About and paste it here
Sent from my rooted Verizon Samsung Galaxy SIII

It's I535VRLHE
Kernel version: 3.0.8-1092717
Build number IMM76D.I535VRALHE
I turned on the phone and within 10 min or so the battery life went down by 2-3% without me doing anything. As a test I've put it into Airplane mode, and it's decreased by about 2% in 45 min.
Now I'm wondering if I have a faulty antenna or something.

Yup ive had it drain 90% overnight many times for no reason. Called verizon and my new battery should be here today.

1+ day on battery and only 11 minutes of screen time?!?

inm8num2 said:
It's I535VRLHE
Kernel version: 3.0.8-1092717
Build number IMM76D.I535VRALHE
I turned on the phone and within 10 min or so the battery life went down by 2-3% without me doing anything. As a test I've put it into Airplane mode, and it's decreased by about 2% in 45 min.
Now I'm wondering if I have a faulty antenna or something.
Click to expand...
Click to collapse
HE is the baseband version and the build number. For example I have: Android Version: 4.0.4
Baseband: I535VRLG7
Build: IM76D.I535VRALG7
which is the version before the update.
Like everybody else said, call Verizon or go to a store and let them know about the battery issues and they should send you a new one. Or even call Samsung and tell them you bought an S3 through Verizon and you are having battery hardware issues.

sonser said:
1+ day on battery and only 11 minutes of screen time?!?
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Click to collapse
Well, no calls made or received during that time. No data being used.
So, wasn't really using the phone during that time...

Battery Charging Issue

Hey all,
I've recently got a refurbished Galaxy Note 10.1 (2012) from a reputable supplier and before I start thinking about returning it I wanted to ask about issue when trying to charge it.
When I first used the tablet I had it charged up fully (according to the indicator) and used it for a bit to set up and just try using it, I then just turned of the screen and the next day it was flat and wouldn't start, This doesn't concern me to much as I realise it probably had low power anyway so probably just ran flat.
So I charged it up over night and used it for about 30 minutes - 1hr and turned it off properly this time, The next day though it was flat again, the battery was around 2/3 full.
Its currently on charge now from around 11pm and I'll check again at lunch time today to see where the indicator is, but I wanted to know if there any issues similar to this around.
I've heard that the battery indicator on these aren't really all that accurate and the best way to keep it working is just charge it when ever you are not using it.
It's currently running stock Android 4.4.2 which it updated to after being turned on the first time.

Just wondering, what do you mean by "flat?" Like its dead? Also, the only advidce i would say is try a battery calibration app.

Miniallko said:
Just wondering, what do you mean by "flat?" Like its dead? Also, the only advidce i would say is try a battery calibration app.
Click to expand...
Click to collapse
Yeah it won't power up at all unless it gets charged

Oneplus One dies at 20% battery charge rate

Few days back, my phone died even if it showed that battery has about 20%. Since then, my phone dies always near 20% charge state. Before it does, screen is flickering a little bit.
But so far I've observed, my phone runs about 1 hour and it still shows 100%. After that, it starts to drop. I've tried some calibration, but it never worked.
Do you know, how I can repair this or it's a subject for official repair? I would've tried to buy new batteries, but since it's OPO where batteries cannot be changed, or can be, but it brakes warranty so...
Thank you guys, appreciated.

How old is your OPO? What ROM did you use? Any custom kernel / details etc?
My OPO works fine on CM11 nightlies, stock kernel but rooted.

It's max 5 months old and I've never experienced such an issue. Down you have screenshot. I'm running stock ROM and everything. Hope it will help

defect device
korynkaaa said:
It's max 5 months old and I've never experienced such an issue. Down you have screenshot. I'm running stock ROM and everything. Hope it will help
Click to expand...
Click to collapse
I think you have to send it back to 0ne+ and take your warranty claim.
greetings

Same issue Here!
korynkaaa said:
Few days back, my phone died even if it showed that battery has about 20%. Since then, my phone dies always near 20% charge state. Before it does, screen is flickering a little bit.
But so far I've observed, my phone runs about 1 hour and it still shows 100%. After that, it starts to drop. I've tried some calibration, but it never worked.
Do you know, how I can repair this or it's a subject for official repair? I would've tried to buy new batteries, but since it's OPO where batteries cannot be changed, or can be, but it brakes warranty so...
Thank you guys, appreciated.
Click to expand...
Click to collapse
I have the same issue here. Bought my One on August, running stock, suddenly since a few days ago the phone goes dead on 20% or 16%.
I hope there is a solution for this, different from "send it back".

Katra78 said:
I have the same issue here. Bought my One on August, running stock, suddenly since a few days ago the phone goes dead on 20% or 16%.
I hope there is a solution for this, different from "send it back".
Click to expand...
Click to collapse
I think you might get a faulty battery. This happened with my old galaxy note too. Changed battery and every issue is gone.

Got same issue since a few days, how to manage?
has anyone tries this https://forums.oneplus.net/threads/phone-switches-off-when-at-20-low-battery.157075/

27%
Same issue started happening with me too. Phone touched 25-27% mark and goes off suddenly. It was fine from last 3 weeks and from last 2 days, it is giving me this issue. I will try doing factory reset. Hope it works.
PS: I am on stock 38R without root.

has factory reset worked?

Reset doesn't work. It's software problem. A lot people having same issue.
Mine even worst. switched off about 35%. and lasted about 12 hours stuck on 100%.
I've done flash to stock 33R, 38R. clear everything. same. doesn't help.

Open up the phone dialer: type *#*#4636#*#*
This should bring you up to a "secret" settings page. Click on battery information. There you can check battery health!

Replied to a similar thread. I experienced the same issue where it stays at 100% for hours and died around 17%. Happened twice. What I did was turned off the phone and charged it full. Turned it on, waited a couple of minutes or so before unplugging. Had to make sure all apps in the background are up. So far it it fixed the problem for me.
Hope that helps.
Sent from my OnePlus One®

I've tried out an apps call "Easy Battery Calibration" can be downloaded from playstore. for rooted devices only.
After using it. it seems okay right now. 100% no longer holds up few hours. drop 2% about 1.5 hours usage.
Looks neat. still waiting for the battery depleting .

reinerlee said:
I've tried out an apps call "Easy Battery Calibration" can be downloaded from playstore. for rooted devices only.
After using it. it seems okay right now. 100% no longer holds up few hours. drop 2% about 1.5 hours usage.
Looks neat. still waiting for the battery depleting .
Click to expand...
Click to collapse
Sorry, just got down to about 37%. it shuts off.

minicoop7 said:
Replied to a similar thread. I experienced the same issue where it stays at 100% for hours and died around 17%. Happened twice. What I did was turned off the phone and charged it full. Turned it on, waited a couple of minutes or so before unplugging. Had to make sure all apps in the background are up. So far it it fixed the problem for me.
Hope that helps.
Sent from my OnePlus One®
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Click to collapse
This works. But do i have to do that each time for charging?

lp4u said:
This works. But do i have to do that each time for charging?
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Click to collapse
Not really. Only did it when it died at17%. There may be some app updates that causes it. In my case I think the culprit is Gsam. Cause when it updated, it messed up the calibration. But then again, it could've been other apps that updated at that time too ☺
Sent from my OnePlus One®

I faced this previously. Phone died around 40%. Install battery calibration app from play store. Calibrated my batt and all ok till date. Rooted and on fk kernel back then.

here's the fix. no need to install additional app. no root needed.
NOTE: do this at night, just before you decide to go to bed.
1. let the device turns off itself. no matter at which battery level.
2. while the device is powered off, charge it for at least 6 hours. do not interrupt the charging. do not turn on the phone. and do use the original charger and cable.
3. once the phone is charged for at least 6 hours. turn it on and use it as per your usual way.
4. repeat step 1 to 3 for another 2 times. then the phone's battery calibration will be fixed.

I see you are on 38R .. Have you updated to 44?
Sent from my Nexus 4 using XDA Free mobile app

Working. Thabks.
Wondering what caused this nevertheless.
Another issue is that never before when the battery was enpty that i saw that screen with chinese words. Is that new?

Gear sport plugin battery drain

Has anyone else experienced more phone related battery drain after the recent UI update? It's not using alot of battery or anything, but I do see the symbol on the phone were Samsung accessory service is in use way more often now. And prior to update, the plug-in never registered at all in my battery usage. So basically it would use under 1% battery for the entire battery cycle. Now, it uses 2-3% per cycle and I've done nothing different with the phone. Has anyone else noticed this and know how to fix it?

I have the same problem after upgrade to new frameware One UI . Super fast Battery drain.

My friend had battery drain after update. A hard reset fixed it.

SimboXXX said:
My friend had battery drain after update. A hard reset fixed it.
Click to expand...
Click to collapse
Reset on the watch, the phone, or both?

mistermidas said:
Reset on the watch, the phone, or both?
Click to expand...
Click to collapse
He reset the watch.

I have got super fast battery drain as well...its so bad the watch drains even when it is turned off...I used to last 2 days without having to charge the watch but now by end of day I am down to 10% or so...really really baffling. I have reset the watch numerous times but it doesn't seem to get fixed...
And firmwares for this watch are so hard to come by...I wanted to do a downgrade...

Moe5508 said:
I have got super fast battery drain as well...its so bad the watch drains even when it is turned off...I used to last 2 days without having to charge the watch but now by end of day I am down to 10% or so...really really baffling. I have reset the watch numerous times but it doesn't seem to get fixed...
And firmwares for this watch are so hard to come by...I wanted to do a downgrade...
Click to expand...
Click to collapse
This is the reason is send my watch in for repair (warranty). It came back with a new motherboard, problem solved.

June2020 update affected battery life?

Hi, I'm a casual user. I did the June 2020 update on my Galaxy S10e last night (June 11). This morning, I used my phone like I have been using it for the past several weeks -- playing Moomin Move. I had doctor's appointment at 8:45am, played all the way to the doctor's starting at 7:15am, and until my number was called, so about an hour and a half. Put the phone in my backpack, did the appointment, then played all the way to the store, walking around, put my phone in my pocket to bag my groceries (this is about 12:30pm) Got on the bus, pulled out my phone, blank screen. Nothing, nada. Get home and plug it in and the battery indicator comes on that it was at 0%. Now for WEEKS I have literally played all day (8+ hours) and never run out of batter (been close, like 12%).
This afternoon (around 5:00pm), I was playing Moomin Move on the phone while it was plugged in. When I first woke the phone up, it was at 100%, when I unplugged it to leave to go to the store, it was at 93%. After about 30 minutes, it was at 76%.
I've tried to Google to see if anyone else is reporting this, but couldn't find anything. Does anyone here have any ideas? The update is the only thing that has changed on the phone.
Thanks so much!

I'm on the June 1 security patch version on Exynos. Unplugged mine 15h ago, was at 80% then, with 46min SOT, I am now at 62%. Seems normal to me, nothing like your issue.

Hy, look to device care, battery, and find app, proces with hight % usage of battery. I have the same battery live problem after this update, update delete MirrorLink conection permanently.
I have problem with app, mlp - system app by Samsung, this app usage 30% of battery, phone is to hot and lagy.
Mark

I also haven't seen much difference after second June update. Maybe it is time to do factory reset. It helps with Android phones from time to time.
The other thing is that battery life on the exynos model is very poor.
Tapatalk via Mi Pad 4

l_mike said:
I also haven't seen much difference after second June update. Maybe it is time to do factory reset. It helps with Android phones from time to time.
The other thing is that battery life on the exynos model is very poor.
Tapatalk via Mi Pad 4
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Why is it poor ? Samsung didn't improve the battery life on Exynos since S10e has launched ? (just got my S10e today )
ps : I got a big july update too