Sudden Battery Drain - 50% to 4% - Samsung Galaxy S10 5G Questions & Answers

Hi guys
S10 5G (SM-G977B) owner. Been using since launch. Exynos version with latest update - G977BXXS2ASJ7.
Always recharge to 80% battery to maintain health for lifespan of phone. Avoid leaving it plugged in overnight.
This looks like a bug that I have noticed following the last major update which introducted a bunch of Galaxy Note features such as Samsund DeX for windows.
Phone will literally hold 4% charge for hours. Picture attached. Is there a fix for this or is this a known issue? Couldn't find anything online with all posts about high drain touching on the usual suspects (always on display, 5G switched on, performance mode, screen brightness etc)
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Have you tried a factory reset? Or ever done a clean install using Odin files with CSC_OMC?
I'd suggest factory reset as this seems like a glitch with your device. It's definitely not a known issue with the 5G or any S10 variant.
Hopefully it's not a battery or other hardware issue that's apeared. But the reset will help rule that out. It's a good idea to do it once in a while anyway.
Also, not charging overnight, and only charging to 80%, is saving you next to nothing on long term battery life. Unless you plan to keep the phone for something like 4 or 5 years, you'll see absolutely no difference in the life of the battery over the next years or two by doing that. You're best to charge to 100% and get the full 100% charge during the day.

Thanks mate. No factory reset yet attempted. Always painful re-synching all the apps and 2fa services so generally try to avoid. I have attempted Davlik cache wipe but that made no tangible benefit. Accubattery reporting 85% battery health and this is despite my battery babysitting ways (3774mAh actual vs 4400mAh design)

Related

[Q] Battery drain on unrooted phone

My MotoG 2014 with Lollipop 5.0.2 is unrooted, I have read other threads about this problem: I've installed Lollipop on it from brand new phone.
The scenario is still that there is no way to track down who is draining the battery on unrooted Lollipop? :crying:
I have Google position on, wifi on, bt off, 2 sim with one active for data.
Yesterday the phone lied on a table for about 11 hours before taking the following screenshot, I may have used it (in that 11hrs) for less that one hour not continuously
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How can I find the responsible app? Should I start powering off Google position?
Try to reset your device ..! This should fix it..! And that's not a huge drain in my opinion because WiFi , 3g , and auto sync is on always so its Normal 11 hrs standby and still some juice is remaining that's great actually..! ☺
Sent from my Moto G 2014 using Tapatalk
If with reset you mean Factory Reset, I will leave that as last because restoring an unrooted phone is a pain (to be polite! )...
Right now I've followed the (few) steps for unrooted phone from http://forum.xda-developers.com/moto-g-2014/general/guide-how-to-best-battery-life-moto-g-t3049970
configured localisation as "Battery Save"
removed "my face" from Smart Lock
installed Greenify and hibernated (manually... ) a few app
I cannot leave the phone in standby for long time now, I will see on next weekend!
BTW: from my point of view 80% used in 11 hrs standby is not great...
The above steps didn't change a lot the battery drain...
With "App of the Day" I got Battery Booster, actually I'm using it only to its statistics: I do not know how much I can trust them but so far the only apps that are using battery even when the phone is in StandBy are:
System UI
MotoCare
I can understand the first, but what about MotoCare?? Is it a vital component? Can I safely disable it?
I do have only Motorola Alert activated and running, but I can disable it! Both Assist and Migrate are disabled.

P) high battery drain

hello everyone, here is my problem - in last couple of week i'm having really big battery problems (to the point i'm thinking of smashing my phone to the ground ) I take my P9 of the charger and it says it is at 100%, after only few min it drops to about 90%, and when i open some app (facebook atc) it freezes and when i try to turn it on again it says 0% battery!! when i hook it up on charger it takes 20 mins to charge to 1%, and when i turn it on again it says anywhere between 40% and 100%!!! Freezing most commonly appears when i turn on my camera and take a picture, it snaps then freezes. Tried with the factory reset it didn't help.
Please anybody!!!
Most likely the battery has worn out. Is it still under warranty?
Same here, sometimes camera apps freeze and then i will reboot it. After reboot, phone shows 5% power and then force itself into shutdown. The battery actually may not empty as told by phone, when i start charging, it shows more than 5% and phone actually have juice to run longer.
@suby2212 and @ongco
Sounds like a battery replacement to me. Have to tried installing AccuBattery or anything similar to check the battery health?
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It's not the battery causing this fault
3m2vinatohr04 said:
@suby2212 and @ongco
Sounds like a battery replacement to me. Have to tried installing AccuBattery or anything similar to check the battery health?
I have replaced the battery in my P9 and it still gets a power drain when the camera is operated. This usually occurs in low light environments. If I immediately turn the phone back on it starts up with maybe 20% battery, which then drops 1% a second and gets hot. This is with a brand new battery fitted. I conclude there is a glitch with updated software. Hopefully Huawei will read these posts and correct with future updates.
Click to expand...
Click to collapse
Not the battery
Try removing your sd memory card. I think a malfunctioning sd card was causing issue of battery drain during camera use. I can't explain the full science behind this, but my p9 phone has been fine since I removed the sd

Random turning off of OnePlus 3T

Hi guys, I have the following problem. My phone keeps turning off at random times. Today it happened more then 5 times. The problem started about a month ago. The phone started turning off at random times. So I did a factory reset with complete data wipe and it didn't help. So then I disabled Google services like Chrome, Disk, Gmail etc., Cleaned the chache as well. So this stopped the problem for a while. The I decided to turn back the services one by one to see if it works and it did work alright for a week or so. But since yesterday the problem got worse. I disabled the services one again but the problem stays. I should point out that about 6 months ago I send the phone for a battery change and it was done in official OnePlus service center with OEM part. So the battery should be fine. What I noticed is a huge battery drain on the phone while is turnes off. I attach screens showing the drain and that it had about 1,5 hours of screen on time. There is barely any app on the phone. I use Edge instead of Chrome, I have Viber plus three or four other apps to try keep it simple. Can you help me with that issue?
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Just wow. I have exactly the same problem. I also changed the battery 6 months ago like you did but myself with eBay battery. I was thinking it has something to do with the battery cable not connecting properly but the battery was changed 6 months ago and the problem started 1 month ago like yours. The eBay seller is sending me a free replacement to see if it works. I also tried formating ,wiping cache etc but nothing worked. I have no issues with battery drain at all though. The new battery works fine. Sometimes I notice a little overheat that I have never seen before in the 3 years I use as a daily driver. Also sometimes when it powers off, the only way to power it on is by plugging the charger.

Question Important battery drain not understood

Hello all,
I recently buy an OPPO find X3 pro and I'm really annoying with battery life. I could not succeed to reach more than 3h of SOT and would like to know if it's normal.
I already perform a factory reset without success (back-up and restore from a PC). I don't know what to do know.
I've installed GSAM and allow "more stats" with ADB and notice that Android System is the most battery consumer but I don't know if it's normal. In idle, power consumption is acceptable 3-5% overnight but as soon as use it I see battery level decrease rapidly.
I've also a Galaxy watch. At the begining I saw a high drain from "watch plugin" but I authorize it to run in background + no battery optimization and it seems Ok now.
Does anyone have a solution to help me solve this problem ? I really like this new phone btw (after my old OP6T) but the battery is really awful...
Thanks in advance !
Below some screenshots :
2h20 of SOT only and 35% left
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Hi,
I had the same problem. Did the following:
1) Reset to factory settings;
2) Restarted the phone;
3) went to Settings > Battery > More Settings > Optimise battery use > set all apps to Auto-Optimise.
If you want to test if you probably have a faulty battery you shoud do the following:
1) charge your phone till 100%;
2) restart the phone;
3) disconnect it from the charger;
4) switch on airplane mode;
5) leave the phone unused for 8-10h.
If the battery drops bellow 93%, you have a faulty battery that needs to be replaced.
Bare in mind that this processor is very power hungry, nevertheless OPPO should have predicted it and pack with the phone a, at least, 5000mAh battery.
Hope it helps!

Question Cell Standby battery drain

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is this normal guys or there's some issue?
hello the battery stats are not consistent. This was seen on several xiaomi models. Better use an extra app to monitor. Screen as biggest drainer alone uses normally 9-15%/hr depending on brightness. in your case 1hr9min 13%loss is normal.
Hi,
I think mine same issue as yours. Put the device overnight (location, bluetooth on & internet access off) for 8 hours, 6-7% of battery drops.
Where cell standby consume the most battery.
Even with airplane mode, still 4-5% drop.
May I know is it same as your condition?
Thanks in advance.
Mi10 which was 1y old , i was able to have full charge (even 85% with battery limiter), was lasting until 2nd day evening (40h +), normal usage.
12 Pro - fully charged in the morning 100% and evening is under 20-15%, really disappointed with battery life / management
Running this Stable "xiaomi.eu_multi_XM12Pro_V13.0.32.0.SLBCNXM_v13-12"
not good but also not too bad
official EEA Rom with accu battery stats and 120hz whdq+ 2sim and no restrictions. (location...)
Not sure if it will help, i'm on Mi Mix 4 and using MIUI 13.0.6 EU ROM.
Cell standby used to eat 70% of my battery i followed the following steps and the issue fixed.
1. Go to Google play store.
2. Search for "carrier services" app by google.
3. Uninstall it to reset it to factory settings.
before uninstalling
5 hours after uninstalling
I hope it helps !
blackcat0021 said:
Not sure if it will help, i'm on Mi Mix 4 and using MIUI 13.0.6 EU ROM.
Cell standby used to eat 70% of my battery i followed the following steps and the issue fixed.
1. Go to Google play store.
2. Search for "carrier services" app by google.
3. Uninstall it to reset it to factory settings.
View attachment 5671583
before uninstalling
View attachment 5671587
5 hours after uninstalling
View attachment 5671589
I hope it helps !
Click to expand...
Click to collapse
update after mobile being switched on overnight.
OK, have just done this. Note it says the last update was removed. Surely Play Store will attempt to update the app - should I allow that?
Update - does not work for me.

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