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[Q] Help with identifying Nexus S i9020a Battery Drain

Running Stock ICS 4.1.2 on Nexus S i9020A on AT&T US.
The battery was fine till about a few months back, but of late, it is draining @ around 8-10% per hour on standby!. I originally thought JB was causing the drain, and switched to ICS, and finally to GB. But the drain is consistent across all three.
There is also accelerated battery drain if my phone is completely switched off. If I leave the battery in the phone after powering off, the battery goes from 100 - 0 in less than 4 hours. Thinking the battery might have gone bad, I bought another oem battery, but that is exhibiting the same behavior.
This leads me to think there might be a hardware issue with my phone. I am tired of keeping the phone plugged in at all times, and am ready to throw this out the window and get another phone. As a last ditch effort, I wanted to post this here to see if I can get any kind of feedback/confirmation on this before I buy another phone. Other users are reporting 1-2% battery drain on standby, so 8-10% drain is unacceptable by any standard.
I have attached some screenshots from today when the battery was at 20% after about 9 hours. For this test, I did the following last night:
1. uninstalled all apps I downloaded
2. turned off WiFi, Bluetooth, GPS, sync, auto brightness ( set to the minimum brightness)
I charged the phone fully, and then left it on standby, with minimal usage - I think I made a 2 minute call, checked my email once, and read some rss feeds for about 5 minutes in the 9 hours I tested it.
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Bettery Battery Stats Logcat and dump:
View attachment BetterBatteryStats-2013-03-25_204343792.txt
View attachment logcat-2013-03-25_204338703.txt
Any help would be much appreciated.
Thanks!

I know I'm not giving any advice here but I just wanted to let you know I'm in the same boat. No matter what ROM GB/ICS/JB I lose too much battery per hour with the phone just on standby. There's no explanation for %10 battery drain per hour with pretty much everything off (wifi, data, gps, nfc, background data, etc)
I have tried everything and now I must admit I've given up. I'm just going to ride out CM 10.1 until I can decide on a new phone, most likely the Nexus 4 or HTC One.

abccg said:
I know I'm not giving any advice here but I just wanted to let you know I'm in the same boat. No matter what ROM GB/ICS/JB I lose too much battery per hour with the phone just on standby. There's no explanation for %10 battery drain per hour with pretty much everything off (wifi, data, gps, nfc, background data, etc)
I have tried everything and now I must admit I've given up. I'm just going to ride out CM 10.1 until I can decide on a new phone, most likely the Nexus 4 or HTC One.
Click to expand...
Click to collapse
Bro, just replace the battery, buy a new one!

Doesn't seem like a software issue to me, sadly.

That confirms my suspicion. I guess it is time to start looking for a new phone. Thanks!
polobunny said:
Doesn't seem like a software issue to me, sadly.
Click to expand...
Click to collapse

kandroid said:
That confirms my suspicion. I guess it is time to start looking for a new phone. Thanks!
Click to expand...
Click to collapse
Yeah, your phone doesn't seem to be doing much while asleep. 20 minutes screen on, 35 minutes active, yet battery down to 21%. My battery would be at 90% with that sort of usage. Since you changed the battery (I'll assume it's a decent quality battery, although a cheap battery could be in cause), there's not much left.

Have you tried switching 3G off? 3G seems to SUCK the life out of these Nexus S batteries like no tomorrow.
But I suspect it's a hardware issue with the Nexus S phones. I have WiFi, Bluetooth, 3G and auto-sync all shut off and a static wallpaper and I will lose 20% of my battery in 7-8 hours.

Battery is kernel related. Try changing your I/o scheduler to row and governor to smartassv2. If you don't have those options then look for a kernel that does...air kernel and matrix should suffice.

NO SOLUTION so far
A friend was having the same issue, gave him the battery of my nexus s ... it lasted him for 7-8hrs max whereas it gives me 1 day~ on 2G and normal use without gaimng . So my guess like his mobile your mobile may have some component which is short and draining out the battery . I have been trying to look around for answer but so far no luck. So better check it with another batteryif you can before purchasing a new one.

Vampire test
If anyone is investigating why their Nexus S suddenly starts draining the battery in a matter of hours, BEFORE spending a ton of time (like I did) trying to diagnose what software problem you might have, do the vampire test, as described here:
http://forum.xda-developers.com/showthread.php?p=42586314
I wasted days before coming across this test on this forum, and it proved it had to be a hardware fault.
I have two healthy batteries, both hold a charge for days (probably weeks) when not inserted in the phone, but pop one in the phone, leave it powered off, and within 6 hrs it's dead. So frustrating, and sad to see this phone go.

[Q] Z3 day old, battery awful

Hey guys i'm new to this fourm i just signed up moments ago basically in search of some answers, so yesterday i brought a sony experia Z3 based on their battery life, there freedom, the quad core processor etc, basically for the nice design blahdi blah. but battery was the seller for me as it was known as the ''king'' of batterys..
anyway!
When i opened my phone out the box and started it, it had around 40% battery which is fine i understand they all come out the box half way charged. But i stuck the phone on charge around 12am and took it off charge 8am for when i go to work, now throughout my day at work i used the phone to look on social media, send a few texts, i don't game on the phone nor do i watch loads of videos due to only 10GB of data, but from about 8am to 4pm i was left with 2% battery, now before this phone i had an iPhone5 which in all fairness didn't last me the whole day it would last me till around 11am if i was lucky. but i've gone through various options (stamina mode) was already enabled btw, but nothings made much difference, i've turned the brightness down to nearly halfway, i've turned location services to battery efficient but this is my statistic for 100% battery..
So! my phone has been on charged since i got in at 4pm, haven't take it off charge and i don't intend too till the morning, hoping this will sort it by giving it a longer charge. but anway! as it stands at the moment my phone is on 100% battery, the usage i will get from it is saying 3 hours.. right? ridiculous. WITH stamina mode enabled i get 9 hours, now it seems 9 hours isn't that bad but my expectations was somewhere near the 17 hour mark. both of my friends have a Z3 and they get 15+ hours without stamina mode i believe. but if anyone out there could suggest what the problem is. failing that i will return the phone and swap it for the same model. i might of possibly just ended up with a duff battery sadly..
Sorry in advanced for the long thread.

bradd95x said:
Hey guys i'm new to this fourm i just signed up moments ago basically in search of some answers, so yesterday i brought a sony experia Z3 based on their battery life, there freedom, the quad core processor etc, basically for the nice design blahdi blah. but battery was the seller for me as it was known as the ''king'' of batterys..
anyway!
When i opened my phone out the box and started it, it had around 40% battery which is fine i understand they all come out the box half way charged. But i stuck the phone on charge around 12am and took it off charge 8am for when i go to work, now throughout my day at work i used the phone to look on social media, send a few texts, i don't game on the phone nor do i watch loads of videos due to only 10GB of data, but from about 8am to 4pm i was left with 2% battery, now before this phone i had an iPhone5 which in all fairness didn't last me the whole day it would last me till around 11am if i was lucky. but i've gone through various options (stamina mode) was already enabled btw, but nothings made much difference, i've turned the brightness down to nearly halfway, i've turned location services to battery efficient but this is my statistic for 100% battery..
So! my phone has been on charged since i got in at 4pm, haven't take it off charge and i don't intend too till the morning, hoping this will sort it by giving it a longer charge. but anway! as it stands at the moment my phone is on 100% battery, the usage i will get from it is saying 3 hours.. right? ridiculous. WITH stamina mode enabled i get 9 hours, now it seems 9 hours isn't that bad but my expectations was somewhere near the 17 hour mark. both of my friends have a Z3 and they get 15+ hours without stamina mode i believe. but if anyone out there could suggest what the problem is. failing that i will return the phone and swap it for the same model. i might of possibly just ended up with a duff battery sadly..
Sorry in advanced for the long thread.
Click to expand...
Click to collapse
Curious. I have my Z3 for 4 months now and I can say the battery is brilliant. There are weeks when a 100% charge give me a 2 and a half day usage (with stamina mode on and 4h 30m screen time). In the worst situations (when I'm using it very heavy,5-6 hrs screen time in a day) a 100% charge last from let's say 8 am untill next moring at 10 am. Anyway look at the battery usage data and post a screenshot. Do you have the sync on/off? What android are you using?

PloaieVasile said:
Curious. I have my Z3 for 4 months now and I can say the battery is brilliant. There are weeks when a 100% charge give me a 2 and a half day usage (with stamina mode on and 4h 30m screen time). In the worst situations (when I'm using it very heavy,5-6 hrs screen time in a day) a 100% charge last from let's say 8 am untill next moring at 10 am. Anyway look at the battery usage data and post a screenshot. Do you have the sync on/off? What android are you using?
Click to expand...
Click to collapse
Hi thanks for the reply, i cannot post a screenshot sadly but i can tell you the details for sure. the battery usage isn't telling me anything right now bizarrely, it says it's not available. if i remember rightly i know the screen was taking the most at 37% and the android im using i believe you're asking the software version or something? Android 5.0.2

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For example this is a 2 day+ battery usage data I had 1-2 weeks ago... Try a hard reset but backup any personal and important data first.
Sent from my D6603 using Tapatalk

PloaieVasile said:
View attachment 3376003
For example this is a 2 day+ battery usage data I had 1-2 weeks ago... Try a hard reset but backup any personal and important data first.
Sent from my D6603 using Tapatalk
Click to expand...
Click to collapse
Damn thats the usage i want to be able to get out of my battery, sadly for some reason it's not displaying anything for me it did earlier but now it won't let me see anything which is odd i must say, but from what i remember is that the screen was 37% then it was the android OS at like 7% no biggie, maybe shall i let the juice run all the way out till the phone dies then give it a full charge then see what happens maybe?

Try some full discharge-recharge cycles. I remember my battery wasn't ao great when I first bought it. But neither that bad as you... Try that and come back after if you have the same issue
Sent from my D6603 using Tapatalk

PloaieVasile said:
Try some full discharge-recharge cycles. I remember my battery wasn't ao great when I first bought it. But neither that bad as you... Try that and come back after if you have the same issue
Sent from my D6603 using Tapatalk
Click to expand...
Click to collapse
Yeah i think that might be the best bet, i'll give it to the weekend before i swap the phone see if i can get the phone to adjust, but failing that i will just get it swapped as it's only a day old. kinda disappointing tho lol as i was expecting it to be awesome as yours is and it literally lasts the same as an iphone would

S10E stand-by battery drain. Let's get on top of this.

So, I have a Exynos variant of the S10E and I'm having mixed result with battery life:
If I use my phone a lot (and I mean a lot) for example when I'm traveling i get about 6 hours of SoT which is great with a 3.100mah battery and heavy usage.
However on a regular day the phone just seems to discharge itself when in standby mode and I don't even reach 3 hours of SoT.
My setup is simple: all apps are disabled when on standby except for WhatsApp, Telegram and some e-commerce stuff and in the Battery stats "Android OS" in on top of everything (except for screen).
Are you having the same issue? Did you manage to find the cause? Let's discuss it.

This solution was posted on the S10 forum and certainly helped me.
There's a bug that stops the phone from going into a deep sleep mode post making a call (audio/video) on apps like WhatsApp, Skype et al. The solution for the time being is to reboot the phone once before going to bed. I tried a lot of other things but had a ~2% hourly standby drain which reduced to <5% overnight after figuring out this solution. I have both WiFi and Bluetooth on at night.
You may try to play around with the battery saving tweaks in ONE UI but nothing worked as well as this has. Hopefully there'll be a more practical fix to this soon.
Cheers!

Hi! Thanks for your feedback.
I have my S10E scheduled to reboot every night but this doesn't seem to fix the issue and I also don't use whatsapp/telegram voice/video calls, so I don't think is is quite the issue.
There's probably something else preventing deep sleep, but I think that waiting for an update from Samsung will be my best bet

LucaFraga said:
Hi! Thanks for your feedback.
I have my S10E scheduled to reboot every night but this doesn't seem to fix the issue and I also don't use whatsapp/telegram voice/video calls, so I don't think is is quite the issue.
There's probably something else preventing deep sleep, but I think that waiting for an update from Samsung will be my best bet
Click to expand...
Click to collapse
That's interesting. There are over two dozen people on the s10 page confirming this to have solved their drain.
For how many days have you had your device? Mine took a while to understand my usage pattern
I am currently getting over 5 hours SoT over 18-20 hours now, it was ~3 hours previously.

I'm having the same issue. No video calls and still losing ~2% per hour. Restart doesn't help.

Mine too, lost 3% in under an hour sitting in my pocket doing nothing. As usual the battery stats are not much use.

arsenal74 said:
Mine too, lost 3% in under an hour sitting in my pocket doing nothing. As usual the battery stats are not much use.
Click to expand...
Click to collapse
There's a bug with the proximity sensor. The phone gets turned on automatically in the pocket which might cause battery drain.
BTW putting the phone on battery saver (Medium power saving) mode stops battery drain. Until we get a fix from Samsung this seems like a worthy option.

techhahn said:
There's a bug with the proximity sensor. The phone gets turned on automatically in the pocket which might cause battery drain.
Click to expand...
Click to collapse
Nope. It's not only when sitting in the pocket. Basically put it on a table and the battery will drain.

There's people on the S10 forum reporting a much better battery performance after a software update (ASC8) on the Exynos S10 / S10+ (see here or here) that should fix the drain issues. Do you know if they are rolling it out also for the S10e Exynos?

the_wing said:
There's people on the S10 forum reporting a much better battery performance after a software update (ASC8) on the Exynos S10 / S10+ (see here or here) that should fix the drain issues. Do you know if they are rolling it out also for the S10e Exynos?
Click to expand...
Click to collapse
It seems ASC8 has been stopped, and they are releasing ASCA. For now it has only released for Germany firmwares. Let's see what's new in this update. Regards

Same issue
I have the same problem, when phone is in use it gets great SoT of around 6 hours, but when not in use throughout the day battery still drains very quickly. I was hoping the update will fix it , but even after updating, nothing changed. Hopefully there is a solution soon.

Seems like battery drain issue was fixed in the latest update ASCA. Mine was previously draining 15% overnight. Now it only drained 4% in 8 hours!! Which is pretty amazing.

Anyone have the Hong Kong model G9700? I've noticed standby drain is quite high.

I have German ASCA version, but battery is draining awfully. I use both SIM cards and loose 25 percent half a day being in standby-mode.

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Expected at least 5 hours of SOT from a phone at this price point. This is bad. Even with the second sim turned off, battery drains heavily.

route9 said:
I have German ASCA version, but battery is draining awfully. I use both SIM cards and loose 25 percent half a day being in standby-mode.
Click to expand...
Click to collapse
I was also having pretty bad battery drain, 15% overnight. But after the ASCA update I'm getting about 5% overnight, maybe it's just my phone?

Used this guide:
https://forum.xda-developers.com/s10-plus/how-to/galaxy-s10-battery-optimisation-guide-t3911988
After i made the tweaks the standby is decent compared to my OP6

I disabled bixby on the Maine screen 4 hours ago and I do have a feeling my battery od much better. Will see...

ASDA update seems to help with drainage for me.
Using 970U1 TMB version. Attached is typical usage for me last few days. I get another 6-8 hours sot average by 15% or so and about ~5% overnight drain

S10e Weird 999:MAILBOX_CP2AP Wakelock
Not sure why the "Android OS" always so high usage, I think in normal case, it should be lower than "Android System"..
And by using Battery Historian, I saw this kernel wake up, does anyone knows what's that?
I'm having a lot of RILJ_ACK_WL too.. Sigh.
Click to expand...
Click to collapse

Note 10 Plus bad standby battery drain

I've had my AT&T Note 10 plus for over a week now, and for the first week the battery life was stellar. Three days ago seemingly out of nowhere, battery life had tanked. Some context - I came from a Note 9 which had fantastic battery life. Location on, widgets, notifications, etc were enabled. I feel I shouldn't have to yield to or cripple my phone to get decent battery life from it so I refuse to do that on a device that costs this much. It should just work.
Anyway, fast-forward to three days ago with my note 10+ - same settings and everything as my previous note 9 - and out of nowhere the battery life just starts to tank. Android System is seems to be the drain, but I'm not sure what in there is causing it. The phone is constantly warm. As an experiment, I've put it on airplane mode now with wifi still on and the phone has cooled down but I'm not sure yet if the battery is being drained less or not as it's only been a few minutes. But, I am losing about 6% battery/hr not even using the phone. That is rather unacceptable after it having worked just fine the first several days I've had it. I refuse to disable location and do other seemingly band-aid tricks to help the battery along as I don't feel that really solves the issue and should be unnecessary for a device that costs this much money. I also refuse to factory reset unless I ABSOLUTELY have to because these phones are a pain in the rear to setup, even with Samsung/Google's restore. So many settings to go in and manipulate.
I hope this resolves itself or I can get to the bottom of it somehow. I really love this phone and really don't want to go back to my iPhone XS Max over a battery issue but it is just unacceptable for the battery to drain like this with little to no actual use of the phone. The other night by the time I had placed it on the charger, android system was up over 30%...
is anyone else experiencing this problem?
I apologize if this has been discussed before - I couldn't find anything similar.
EDIT
After putting the phone in airplane mode (wifi left on), it has cooled down and battery drain seems to have improved. According to the battery graph it looks like the phone is also finally going to sleep. Previously the graph went straight down to the right with no flat spots.
What could this be? My cell reception hasn't changed and I'm at wit's end

peterdayeh said:
I've had my AT&T Note 10 plus for over a week now, and for the first week the battery life was stellar. Three days ago seemingly out of nowhere, battery life had tanked. Some context - I came from a Note 9 which had fantastic battery life. Location on, widgets, notifications, etc were enabled. I feel I shouldn't have to yield to or cripple my phone to get decent battery life from it so I refuse to do that on a device that costs this much. It should just work.
Anyway, fast-forward to three days ago with my note 10+ - same settings and everything as my previous note 9 - and out of nowhere the battery life just starts to tank. Android System is seems to be the drain, but I'm not sure what in there is causing it. The phone is constantly warm. As an experiment, I've put it on airplane mode now with wifi still on and the phone has cooled down but I'm not sure yet if the battery is being drained less or not as it's only been a few minutes. But, I am losing about 6% battery/hr not even using the phone. That is rather unacceptable after it having worked just fine the first several days I've had it. I refuse to disable location and do other seemingly band-aid tricks to help the battery along as I don't feel that really solves the issue and should be unnecessary for a device that costs this much money. I also refuse to factory reset unless I ABSOLUTELY have to because these phones are a pain in the rear to setup, even with Samsung/Google's restore. So many settings to go in and manipulate.
I hope this resolves itself or I can get to the bottom of it somehow. I really love this phone and really don't want to go back to my iPhone XS Max over a battery issue but it is just unacceptable for the battery to drain like this with little to no actual use of the phone. The other night by the time I had placed it on the charger, android system was up over 30%...
is anyone else experiencing this problem?
I apologize if this has been discussed before - I couldn't find anything similar.
EDIT
After putting the phone in airplane mode (wifi left on), it has cooled down and battery drain seems to have improved. According to the battery graph it looks like the phone is also finally going to sleep. Previously the graph went straight down to the right with no flat spots.
What could this be? My cell reception hasn't changed and I'm at wit's end
Click to expand...
Click to collapse
I use Naptime from the play store by Francisco Franco and no as the title of his app says you don't get 9000% better battery. You'll need a couple of adb commands to get it to work it you're not rooted.
https://play.google.com/store/apps/details?id=com.franco.doze&hl=en
This is a quote from Franco - Unbelievably improve the battery life during idle of your device by empowering Android's built-in Doze power saving functionality. It supports Marshmallow, Nougat, Oreo and now Pie. It features more options for rooted devices, but it'll also work if you're unrooted.
Naptime also allows you to disable WiFi, mobile data, location & bluetooth during doze for that battery life /flex ?

I find that I'm losing around 1 to 0.7% per hour is that normal or considered good? The other night my phone was at 95% I woke up 6 or so hours later and it was a 89%. I'll need to do some thorough testing, but I don't know what to make of those results.
Anyone on here have some advice on weather that idle time is good or bad? My device is an unlocked n10plus running Snapdragon

-If you charge to 100 and put it next to your bed. How much is it next morning?
-do you use the led cover?
-are there any less known apps in your list?
Switching off wifi, Bluetooth etc is useless. These are efficient enough nowadays.
I tested these kind of "tricks" and no difference after my nightly sleep test.
Sometimes an app like evernote, google foto's or journey is downloading a lot of data in your new phone.
---------- Post added at 02:06 AM ---------- Previous post was at 01:51 AM ----------
With all my last Notes I get a .6 till .9% per hour in a situation where i put my Note next to my bed and do not touch it during sleeping hours.
I live on three different locations, in different countries even, and that shows some battery consuming difference. Routers and provider locations are not the same.
I have more than 180 apps installed. No games however.
I am not rooted, but use GSAM battery monitor. The quickest way to see the hourly consumption.
Factory reset means a full day work for me. E.g. banking apps need a lot of tuning. Even using Google and Samsung restore.

herpi said:
-If you charge to 100 and put it next to your bed. How much is it next morning?
-do you use the led cover?
-are there any less known apps in your list?
Switching off wifi, Bluetooth etc is useless. These are efficient enough nowadays.
I tested these kind of "tricks" and no difference after my nightly sleep test.
Sometimes an app like evernote, google foto's or journey is downloading a lot of data in your new phone.
---------- Post added at 02:06 AM ---------- Previous post was at 01:51 AM ----------
With all my last Notes I get a .6 till .9% per hour in a situation where i put my Note next to my bed and do not touch it during sleeping hours.
I live on three different locations, in different countries even, and that shows some battery consuming difference. Routers and provider locations are not the same.
I have more than 180 apps installed. No games however.
I am not rooted, but use GSAM battery monitor. The quickest way to see the hourly consumption.
Factory reset means a full day work for me. E.g. banking apps need a lot of tuning. Even using Google and Samsung restore.
Click to expand...
Click to collapse
I charge it overnight while I'm sleeping. No lesser-known apps installed, no LED cover either. Not rooted. this literally happened out of nowhere after days of it being great. Not sure what could have happened, or if it's something on ATT's end? I don't know where else to look. I'm with you on the factory reset. It's such a waste of time and will take up hours.

mine also been facing this battery drain issue since day one. Tried using naptime just now and it improve my battery life ALOT!! Thanks for the suggestion

peterdayeh said:
I charge it overnight while I'm sleeping. No lesser-known apps installed, no LED cover either. Not rooted. this literally happened out of nowhere after days of it being great. Not sure what could have happened, or if it's something on ATT's end? I don't know where else to look. I'm with you on the factory reset. It's such a waste of time and will take up hours.
Click to expand...
Click to collapse
Pls try to charge it before going to bed and leave it to see how much it spends overnight w i t h o u t touching it. If it is higher than 1+%/hr something is wrong..
I buy a new phone every year because I am nuts. But I always register in Evernote my findings.
Frequently the power consumption is higher in the beginning, because a lot of background activity like data reading and background update of software.
If it is more than, let's say 1.2%/hr during overnight sleep it is not ok.
I am doing this test now with my Note 10+ 512 (Yes i am nuts, I told you) and will inform you later.
After seven hours .8%/hr which is normal.

herpi said:
Pls try to charge it before going to bed and leave it to see how much it spends overnight w i t h o u t touching it. If it is higher than 1+%/hr something is wrong..
I buy a new phone every year because I am nuts. But I always register in Evernote my findings.
Frequently the power consumption is higher in the beginning, because a lot of background activity like data reading and background update of software.
If it is more than, let's say 1.2%/hr during overnight sleep it is not ok.
I am doing this test now with my Note 10+ 512 (Yes i am nuts, I told you) and will inform you later.
Click to expand...
Click to collapse
I can tell you right now that it's losing 5-6% an hour just sitting there. The phone has been set up for days now so I know it's not the setup process. Like i said, it was fine for almost a week, then out of nowhere this happens...

peterdayeh said:
I can tell you right now that it's losing 5-6% an hour just sitting there. The phone has been set up for days now so I know it's not the setup process. Like i said, it was fine for almost a week, then out of nowhere this happens...
Click to expand...
Click to collapse
Pffff, you have a problem. So in settings/maintenance/battery there no apps with high use?
After just rebooting the phone the consumption starts immediately?

herpi said:
Pffff, you have a problem. So in settings/maintenance/battery there no apps with high use?
After just rebooting the phone the consumption starts immediately?
Click to expand...
Click to collapse
Yes...I know I have a problem...Android System is the culprit. Beyond that, I do not know what in "android system" is causing it. Perhaps a wake lock bug? A wifi bug?

It's always the same with my Samsung devices it's rediciculus Samsung. On your note 10 or note 10+ before switching to flight mode set the network setting to 3g only! In 7 hours you will loose only 2% battery instead of 8 or more. Same was on my note 9 but Samsung finally patched this behavior a few month ago. Now the same with my note 10+.
This problem is only for the flight mode. So you can test 3 things in 3 nights. You have 3 options before going in flight mode. In network selection choose 3g only. Than watch what happens over night. Next time you choose 2g/3g only and you can try it with 2g only.
For me doing so 1-2 % battery drain in 7-8 hours.

I've pretty bad reception with 4G. But no crazy 25% drain over night, more like 4-5%. And that's with the non plus Note with exynos.

With naptime, do you get notifications instantly? I have auto sync on all the time, is there any issues around this?

Just bought a new galaxy note 10 and overnight from 100 % i have 57 this morning. Whats going on?

Is this normal on note 10 plus battery health?
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My N10+ is about 3 weeks old, but I found, like you, that after a couple days of stellar battery life my idle was starting to drain pretty fast. Going to bed and waking about 6 hours later I was missing around 20%. This is with all apps closed, WiFi, BT, Location, Link to Windows, Mobile data, NFC, Sync, and AOD turned on. I turned off AOD, NFC, and Link to Windows. My battery drain since, for the better part of 2 weeks, has been about 5-6 percent. Around 1% an hour while sleeping. I don't know how I can help, but I hope this does. I honestly can't complain about this battery. I have been getting 6-7 of screen time before having to charge around 10%.
Edit: also turned off edge lighting, which I had enabled before.

ehm so you made your top shelf 1000$ device into a feature phone ... that's no solution

vandal4e said:
ehm so you made your top shelf 1000$ device into a feature phone ... that's no solution
Click to expand...
Click to collapse
I don't remember saying, "Here's a solution for you!" No, I simply posted what I did to stop the horrible battery drain that I was experiencing.
Also, I spent the $1,100 on this phone and I'm pretty sure I can use it however I want. Feature phone, paper weight, fish tank decoration..:good:

My N10+ has been sat on my desk and not used for 4 hours yet battery has gone from 100% to 78%.
I don't know how this is acceptable.

shaunydub said:
My N10+ has been sat on my desk and not used for 4 hours yet battery has gone from 100% to 78%.
I don't know how this is acceptable.
Click to expand...
Click to collapse
I have the reg note 10 and ive been battling this for a couple weeks. nothing seems to keep the system from sucking the batter dry. Standby life is a joke. i lost 40% today with the phone on for about 10 hours and 30 min SOT while i was at work. I cant figure out whats stuck in the system, tried literally everything

Question Abnormal battery drainage

Hi to all,
I bought Samsung Galaxy S22 Ultra 5G 12GB/256GB (Exynos 2200) one week ago and noticed abnormal battery drainage for a new device.
I read on the Samsung official page battery can be consumed a little faster right after purchase and I should wait for all the background operations and syncing to complete.
But six days after I started to use my new device, the battery cannot even last until the evening. Today at 08:30 AM I had 100 % of the battery, at 5:30 PM it went all down to 0 % with light to moderate usage. Literally.
In battery settings, it says the full charge will last about 11h 55 min which is a ridiculously small estimation for a flagship mobile phone.
I installed all kinds of different apps to check battery capacity and health and didn't notice any deviations.
So my question is if this is normal for the first week of usage or something is very wrong with the battery or sofware?
Thanks for your help.
CC
​

Go into the Samsung Members app on the phone and on the lower right you can select Support, run diagnostics for the phone’s battery and contact Samsung tech support. This should be your first steps trying to get Samsung involved with getting your battery problem resolved.

I have submitted this issue through the Samsung Members app. Diagnostics for the phone's battery also says that the battery is good among the 2-3 battery health apps I have installed.
I think the problem is not so much hardware as the software which drains this battery abnormally.
I used Smart Switch to transfer all my apps and other data to my new phone before first use. As I read here and on other forums/Reddit this could be the problem. I did a factory reset yesterday and will see how the battery will perform next few days, only transferred contacts and SMS messages (today battery's performance is still very poor). My notifications didn't work for some apps transferred through Smart Switch, but now they do work.
This thread describes exactly my problem:
https://www.reddit.com/r/S22Ultra/comments/t9lw4d
If anyone has some other ideas about why this is happening, I would be very grateful to hear them.

I have bought S22 ultra used 1 week ago and mada backup from S21 with smart switch. Abnormal drain usage here too.. i have set ALWAYS ON "on touch" and seems it stopped a little battery drain..
Anyway, how do you think level volume is? It seems lower (sound and vibration) comparated to S21..

This just confirms my theory this is a software rather than a hardware issue.
I am not keen to turn off features why I bought the device in the first place so the battery does not drain until 5:30 PM.
Also, I did not mention that I get battery overheating occasionally while I am not running any demanding apps (mostly I use a web browser, social media apps, etc.).
BTW, I got a response from a Samsung Member app and it is quite generic and not really of any help as expected.
I think level volume is quite satisfying compared to my previous device, Huawei P30 Pro.

On my S22, always on "always active" drains battery very fast.. now it seems returned "normal".. like you, i think too it's a software issue and not hardware, but i haven't tested S22 after a cleare factory reset so i can't be sure about this

Hi, this isn't normal behavior. If diagnostic says that the battery itself is ok, then it must be a software issue. What application is reported as more battery consuming in the statistic? Have your try to run for a day the phone in safe mode to check if this changes?

carlstadtcarl said:
Hi to all,
I bought Samsung Galaxy S22 Ultra 5G 12GB/256GB (Exynos 2200) one week ago and noticed abnormal battery drainage for a new device.
I read on the Samsung official page battery can be consumed a little faster right after purchase and I should wait for all the background operations and syncing to complete.
But six days after I started to use my new device, the battery cannot even last until the evening. Today at 08:30 AM I had 100 % of the battery, at 5:30 PM it went all down to 0 % with light to moderate usage. Literally.
In battery settings, it says the full charge will last about 11h 55 min which is a ridiculously small estimation for a flagship mobile phone.
I installed all kinds of different apps to check battery capacity and health and didn't notice any deviations.
So my question is if this is normal for the first week of usage or something is very wrong with the battery or sofware?
Thanks for your help.
CC
​
Click to expand...
Click to collapse
Hello. It's not normal, of course. Definitely a new battery should last longer. Maybe you got a defective phone. Rarely goes to the experts.

Well it is a well known issue that smart switch can make a lot of trouble to your new phone. I'd strongly suggest you try to factory reset again, preferably from recovery and manually set it up, it I'll take time but you will notice the difference after the settling time pases. There should definitely be something software related. After using the phone for more than a year and read a lot of info on the subject, with most of the functions on and no tricky hacks, mine last a full day with 5 to 6 hours sot. If I use it from 8 am to say 11 pm, I can get from 6 to 7 hours sot. Hope it helps.

Hnktc said:
On my S22, always on "always active" drains battery very fast.. now it seems returned "normal".. like you, i think too it's a software issue and not hardware, but i haven't tested S22 after a cleare factory reset so i can't be sure about this
Click to expand...
Click to collapse
Well I tried to turn off AOD but didn't get any improvements.
Marcelocohenarg said:
Hi, this isn't normal behavior. If diagnostic says that the battery itself is ok, then it must be a software issue. What application is reported as more battery consuming in the statistic? Have your try to run for a day the phone in safe mode to check if this changes?
Click to expand...
Click to collapse
Right now is WhatsApp, and sometimes is Google Maps, Facebook, etc. Nothing unusual here. The percentage is also normal. Haven't tried run a phone in safe mode, but guess I can try.
Olesya13 said:
Hello. It's not normal, of course. Definitely a new battery should last longer. Maybe you got a defective phone. Rarely goes to the experts.
Click to expand...
Click to collapse
I really don't think it's a hardware issue but of course I will take a phone for further diagnostics if I don't see any improvements in the next few days/weeks.
alejandrob1 said:
Well it is a well known issue that smart switch can make a lot of trouble to your new phone. I'd strongly suggest you try to factory reset again, preferably from recovery and manually set it up, it I'll take time but you will notice the difference after the settling time pases. There should definitely be something software related. After using the phone for more than a year and read a lot of info on the subject, with most of the functions on and no tricky hacks, mine last a full day with 5 to 6 hours sot. If I use it from 8 am to say 11 pm, I can get from 6 to 7 hours sot. Hope it helps.
Click to expand...
Click to collapse
Didn't know Smart Switch is a well-known issue. Why do you think I should perform a factory reset again? I did manually set it up yesterday, only transferred contacts and sms through SS. Now all my apps are working properly, at least that is something I solved.

carlstadtcarl said:
Well I tried to turn off AOD but didn't get any improvements.
Right now is WhatsApp, and sometimes is Google Maps, Facebook, etc. Nothing unusual here. The percentage is also normal. Haven't tried run a phone in safe mode, but guess I can try.
I really don't think it's a hardware issue but of course I will take a phone for further diagnostics if I don't see any improvements in the next few days/weeks.
Didn't know Smart Switch is a well-known issue. Why do you think I should perform a factory reset again? I did manually set it up yesterday, only transferred contacts and sms through SS. Now all my apps are working properly, at least that is something I solved.
Click to expand...
Click to collapse
Yeah this thing with Smart switch I witnessed since the note 20 ultra and again with the s22u. I think you should reset again specially if you didn't do it from the recovery menu, maybe you can first wipe cache from there and give it s try a few days and then the hard reset from there as last option.

Quick update: I think the battery's life has some improvements. I lost only 5 % overnight (around 8 h of sleep). Previously my battery drained for 15-20 % in that period.
Yesterday around 3 PM I had 80 % after charging and now it's 31 % but also with light/moderate usage.

Unfortunately, seems factory reset and not using Smart Switch for app transfer did not improve battery life.
Here are the stats after three days of using it:
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Health still looks good, but 5 h of SOT (20 % per hour) is unacceptable.
Yesterday battery temperature went to 40° C and I wasn't even using the phone, just felt the heat. No apps in the background, nothing. Very unusual.
Guess my only option now is to go to the service for further physical diagnostics.