S21 Exynos 2100 standby battery drain more than 3%/hr - Samsung Galaxy S21 Questions

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Install GSam Battery Monitor and after a long time, check what causes the most battery consumption.
If it's the Android System or Kernel, the problem could be services that run in a way that's hard to control, so then start e.g. by disabling unnecessary Google and Samsung Services functionality.

This standby battery drain is after one UI 5 update, I have tried in putting the phone in safe mode , maintainace mode , disabling all networking like Bluetooth, location, WiFi, sim cards etc , I have tried in Aeroplane mode , I have tried wiping cache partition and repairing apps . I have also tried resetting the device, I have been facing the issue for past 2 months after one UI 5 update, I have tried contacting samsung support multiple times all I got is we are analysing logs and nothing else . I am so frustrated with this issue.
ze7zez said:
Install GSam Battery Monitor and after a long time, check what causes the most battery consumption.
If it's the Android System or Kernel, the problem could be services that run in a way that's hard to control, so then start e.g. by disabling unnecessary Google and Samsung Services functionality.
ze7zez said:
Install GSam Battery Monitor and after a long time, check what causes the most battery consumption.
If it's the Android System or Kernel, the problem could be services that run in a way that's hard to control, so then start e.g. by disabling unnecessary Google and Samsung Services functionality.
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This is the result from Gsam battery monitor, Android system and kernel caused the most drains.

Like I said, you have to disable a lot of services before you get decent battery usage.
If it wasn't necessary, going back to Android is still possible.
Two LTE connections eat up battery power.

ze7zez said:
Like I said, you have to disable a lot of services before you get decent battery usage.
If it wasn't necessary, going back to Android is still possible.
Two LTE connections eat up battery power.
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I have tried putting in airplane mode still the same.

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[Q] Please help with my battery issue

I really need help understanding what is draining my battery, sometimes even while it is charging.
I'm rooted, and on Simply Honey 5.1
I've set up my Facebook to sync once a day, Titanium Backup to backup 2ce a week, and usually, while I am sleeping, all my wifi/bt/gps etc are off.
Recently, i've noticed that while my battery is charging at night, i wake up with a low charge (50 - 70% range), and that basically my battery has been draining at the same time.
I installed Watchdog lite, and have had System Panel monitoring my system.
Here are some screen shots.
System Panel - Plot - 8 hours - battery drain even while charging. CPU is being used a lot, even though the device has not been touched.
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System Panel - Top Apps - 8 hours. System, system process, calendar storage seem to be using a lot of CPU
Watchdog Lite - Android Process Home Screen - what is that? and Facebook doing it's daily sync, I assume.
Can anyone explain to me what System, and System processes do? Also, what is Android Core (Home Screen), and why would that run, if the device is asleep?
Any answers would be much appreciated!
Thank you!
I ran into the same problem, what I did I went ahead and got juice defender from market. It allowed me to turn off all radios at night. This allowed the phone to remain charged the whole night. Also while charging I activate the clock app and dimmed the screen at night while charging this also helped the phone to charge 100%.
Sent from my T959 using xda premium
I have juice defender already, but i don't turn off all my radios at night, because i do want phone calls to come though if they have to. wifi/bluetooth and gps are all turned off though.
I'm really wondering what Android Core (Home Screen) and System/System Processes are, and why they are eating so much battery.
Thanks for your help, fear676
have you tried clearing your cache and fixing permissions? since juice defender doesnt work, you can try to uninstall facebook and see if that changes anything. i know that i had a problem with both facebooks on my vibrant and i set the integrated account to sync once a day and the app to never sync.
i also had a problem on my SGS4G where my android core killed my battery in 2 hours randomly. i ended up having to reformat everything on the phone and reflashing the rom.

[Q] Please help me with my battery consumption diagnosis

Ever since I installed JB (4.1.1) I have noticed a decrease in life. You probably heard this story before.
The native Battery consumption app shows Android OS uses most energy, followed by Device Idle.
So I installed BetterBatteryStats to have a look.
These screenshot is from this morning. Left the phone overnight untouched (from 12 am on).
Note:
My settings are the same as they were before the JB upgrade. And I use the phone the same way.
No Data Connection?
Why does it seems to be looking for a signal? Is that cell signal? I am in full signal area.
I use T-Mo and my area gets HSPA+.
I have Settings > Wireless and networks> Mobile Networks > Network Mode set to GSM/WCDMA (Auto Mode). Leave is as is?
The second most energy consuming is WiFi. I always left is on before the upgrade. It probably always used this much but now it's worse?
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Your android OS is consuming waaaaaaay to much power it should be between 7-12%. I'd reflash stock ROM and go from their buddy. Also, wipe your battery stats.
Sent from my GT-I9300 using xda premium
Thank you for responding.
What falls under Android OS?
I use a live wallpaper (Alive Wallpaper in the Play Store from http://alivewallpaper.co) and the screen is off when I am not using the phone.
Is the video wallpaper using power even when the phone is sleeping (or supposed to be)?
Edit: how do I reset my battery stats in the native app? There is no contextual menu.
Its just the processes that fall within android OS....stuff you have no control over
Sent from my GT-I9300 using xda premium
Do you did a battery recalibration?After flash a new ROM is a must.
Battery calibration using this method right?
1. Use your phone till it shuts off
2. Before charging it turn it back on and do it again.
3. With the phone off plug it in and recharge it overnight or atleast 6-8 hours.
4. Turn it on and and use Battery Calibration - by NéMa.
5. Use the phone till it dies again and then recharge and use phone as you normally would.
Source: http://androidforums.com/transform-ultra-all-things-root/512164-how-battery-calibration.html
No, I have never done this.
Thank you for pointing it out.
i was about to start a new thread when i saw this so thought its best to post here. im having the same problem
here is the logcat from my phone. 8hours overnight and down to 41%!
merry christmas
You'd be better off writing in the BetterBatteryStats thread
Thanks. Yea I just have.
tapp'd on my S3
Disable Google now, will save loadsa battery
Sent via TCP/IP
Rather than disabling Google Now. Do this
Disable Maps, Whatsapp, Facebook. They all run in background. Use App Quarantine to quickly enable disable when issue required.
Enable mobile network location access.
Also restrict background data of apps that ate high in usage which could cause wake locks.
Google now knows where you are without Maps running, just NetworkLocationService under Google Services in running apps.
Use other battery conserving precautions in conjunction.
You could potentially go for days depending on your usage
Sent from my GT-I9300

LG OPTIMUS G E970 Android OS battery drain

Hi, i have some problems with this process, in battery use from settings, the android OS has a BIG BATTERY DRAIN, this works since the phone is unplugged, and my phone haven`t deep sleep, i lose 2-3% percent per hour in better battery stats the phone is awake ALL TIME and CPU SPY show me the lowest frequency is 384mhz and deep sleep doesn`t exist HELP ME PLEASE
Have you tried turning off all non-important services and sync , and see if that helps ??
Also there are some after market applications available on play-store that prevents such wake ups , by killing them. I couldn't recall them properly but I think they are named as Deep Sleep battery saver or something similar.
You can also use android tuner , to see what are the causes behind that.(Task manager has extensive features to look and control them.)
i havent active services (auto sync off,facebook notifications off, messenger off, gps off, google location off, etc), so i dont know what happen ill try to post some screen of my battery uses, this may help, thanks man! and sorry for my english
try some app like android tuner , it'll tell you which specific process is keeping it alive . It'l give more detailed insights into the running tasks.
Rishi. said:
try some app like android tuner , it'll tell you which specific process is keeping it alive . It'l give more detailed insights into the running tasks.
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there are a images
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Anyones knows what happen with my battery???
Can't say about it just by looking at these charts . You'' have to use some third party tool that provides monitoring of system processes . It'll give some info.

[Q] Prevent Google Play Services wakelock

I've tried some methods like:
App Ops (root) - Disabled location and wakelock
Wakelock Terminator - Prevent wake lock (with filters: NIpCollectorWakeLock NIpWakeLock CheckinService NetworkLocationLocator)
The battery usage is still high (higher than the screen usage), and the awake time on battery history occurs a lot (see image).
Has anyone fixed this? Or has anyone just generally improved battery life through something similar?
Kernal: 2.2 bonuzzz
ROM: Eudemony Rom Alpha V3
Thanks
novastorm17 said:
Has anyone fixed this? Or has anyone just generally improved battery life through something similar?
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I'm giving this a try right now, I hope it works.
KaoDome said:
I'm giving this a try right now, I hope it works.
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I'll also give it a go. Trying with an app that simulates init.d executions also, so if it works, I may be able to automate it on boot.
Thanks for the heads up. Will report back in a day or so
novastorm17 said:
I'll also give it a go. Trying with an app that simulates init.d executions also, so if it works, I may be able to automate it on boot.
Thanks for the heads up. Will report back in a day or so
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Not sure it worked. I still don't have great battery life. Something is wrong, and my phone is constantly awake.
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So, at the end of the day. I tried many different approaches to solve this issue such as:
preventing wakelock
using applications like greenify to reduce usage
removing google services permissions
preventing syncing
None of these seemed to help a lot (and some even made battery lift worse!).
So, I've removed all of my battery saving apps etc, and have just resorted to disabling location (when I don't need it).
That seems to have done the trick and my phone is no longer waking up nearly as much as it was before.
I know its not the best fix, and its just a band-aid, but its better than terrible battery life.
Hopefully someone has a better fix soon.
Thanks
Tried "Amplify"?
You could also try an Xposed Module called "Amplify" to limit your wakelocks. Look here "[Mod][Xposed] Amplify - Battery Extender - Control alarms, services, and wakelocks" for detailed information.
You will need root and Xposed Framework.

Is this normal standby drain for my S10 lite?

Spoiler
https://imgur.com/a/ZfRFLar
It's around 1.7%/h for my Snapdragon S10 lite. Is this normal?
It's normal if some media is running in background, for example. My phone has an average of 0,8%/hour according to AccuBattery.
turn off Bixby and google
turn off adaptive brightness
Seems a little high but I'm on a 10+ with 4300ma battery. Adjust accordingly to your battery capacity.
Nominal AOD battery usage should be about 1% an hour. You can enable tap on for AOD to help determine the source of the drain; usage should be very low like that.
Goggle Backup Transport and Backup Transport Framework were causing excessive battery drain for me both with SOT and off.
Update: left my phone at 99% and woke up to 80%
Here is the usage: GSAM
Look at the 5h of Significant Motion Detector usage of Google Play Services and how the Netflix app is using so much battery (I never opened that app since buying the phone...)
I then proceeded to install Better battery stats and found after some hours of usage a huge Spotify battery drain related to the Linear acceleration sensor.
I am getting kind of tired. Since I started using android (Nokia X2, Lenovo K6 power, Redmi note 7 then S10 lite), I have had some kind of a battery drain on all of those devices. Getting tired of troubleshooting problems rather than use the damn phone.
Ditch spotify or lock it down.
You probably have more crapware...
You need to learn how to optimize these phones.
Play with it.
Hey guys its me again.
I disabled Spotify and still have 20% drain overnight...
What can I do please?
it's great
furosemide said:
Hey guys its me again.
I disabled Spotify and still have 20% drain overnight...
What can I do please?
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Install Galaxy Labs>Battery Tracker from the Galaxy store and see what apks it shows is running at night.
Wipe cache in recovery. View what app use your battery. If this don't help make HR (hard reset and wipe all data , ) if this don't help use guarantee ...
I manually updated to One UI 3.0.
No more battery drain as far as I can tell. I will update with overnight drain.
furosemide said:
I manually updated to One UI 3.0.
No more battery drain as far as I can tell. I will update with overnight drain.
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Give a few days especially if power management is enabled.
Battery drain has been corrected with OneUI 3.0
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