Develop Bugs

Battery drain during standby.

It used to be that with the screen off and the phone on idle with the screen off, I would lose maybe 2% per hour. This morning, my battery quickly dropped to 50% with some phone call but very light use. So I charged it back up to 80%. For the last hour, it dropped about 9% with the screen completely off and I had cleared the memory prior to that. That is unusually high since the phone is sitting in one place in an area that has good 4g and 3g.
How is your standby battery drain? I am on LJC stock rooted.
Edit: reboot phone and now it is better. Loosing 6% in 2 hours of standby. Much better.

aquaholik said:
It used to be that with the screen off and the phone on idle with the screen off, I would lose maybe 2% per hour. This morning, my battery quickly dropped to 50% with some phone call but very light use. So I charged it back up to 80%. For the last hour, it dropped about 9% with the screen completely off and I had cleared the memory prior to that. That is unusually high since the phone is sitting in one place in an area that has good 4g and 3g.
How is your standby battery drain? I am on LJC stock rooted.
Edit: reboot phone and now it is better. Loosing 6% in 2 hours of standby. Much better.
Click to expand...
Click to collapse
Glad a reboot helped. I'd recommend rebooting every day. I usually do it first thing in the morning and before going to bed.
My battery life on LJC rooted was fantastic. Never had a phone like this. My EVO3D with 3300 extended battery was good, but still not as good as the note2.

I experienced a really weird battery drain a few weeks ago but cannot replicate it. However it dropped from 100% to 42% in 2 hours time. Pulled battery recharged it and nothing since. But I usually get 16+ hours a day with extreme usage. I am talking 5 hours of netflix and some pandora and games. On my weekend when I dont use the phone much I get 48 hours usually.
Sent from my SPH-L900 using xda app-developers app

poor_red_neck said:
Glad a reboot helped. I'd recommend rebooting every day. I usually do it first thing in the morning and before going to bed.
My battery life on LJC rooted was fantastic. Never had a phone like this. My EVO3D with 3300 extended battery was good, but still not as good as the note2.
Click to expand...
Click to collapse
I kept checking it with battery monitor widget and the third and fourth hour, it was only losing 1% per hour much like my old E4GT. Battery drain went down from -300ma to about -45ma.
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aquaholik said:
I kept checking it with battery monitor widget and the third and fourth hour, it was only losing 1% per hour much like my old E4GT. Battery drain went down from -300ma to about -45ma.
Click to expand...
Click to collapse
Which app is that? I've been looking for something to view battery current, many I used on HTC phones don't work on Samsung.
Does that app also have a better understanding of what apps are causing battery drain? I'm tired of seeing "Android OS" and not knowing EXACTLY what it is...Might help me diagnose my Fiance's E4GT (GS2) with "Android OS" as the main culprit at 67%...

poor_red_neck said:
Which app is that? I've been looking for something to view battery current, many I used on HTC phones don't work on Samsung.
Does that app also have a better understanding of what apps are causing battery drain? I'm tired of seeing "Android OS" and not knowing EXACTLY what it is...Might help me diagnose my Fiance's E4GT (GS2) with "Android OS" as the main culprit at 67%...
Click to expand...
Click to collapse
Here's something that may help diagnose the culprits.
http://www.phonereview.mobi/2013/02/galaxy-note-2-tips-tricks-episode-72.html

poor_red_neck said:
Which app is that? I've been looking for something to view battery current, many I used on HTC phones don't work on Samsung.
Does that app also have a better understanding of what apps are causing battery drain? I'm tired of seeing "Android OS" and not knowing EXACTLY what it is...Might help me diagnose my Fiance's E4GT (GS2) with "Android OS" as the main culprit at 67%...
Click to expand...
Click to collapse
That's just battery monitor widget available at the play store. It is still hard to tell what is exactly causing the -300ma drain during standby with screen off.

Wiley_11 said:
Here's something that may help diagnose the culprits.
http://www.phonereview.mobi/2013/02/galaxy-note-2-tips-tricks-episode-72.html
Click to expand...
Click to collapse
Very helpful. Thanks.

Is this battery usage normal?

In 3 hours, mostly standing by, it drops to 87%
I have no idea why "Android System" gets 23%
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well, if you're not using the phone, with apps or whatever.. then something else has to take the place of the 'most used' application..
I hope this isn't the "omg android system is using all my battery" again that I seen all over the gs2 forums when it came out
attached is a screenshot of my battery usage, I been streaming music all day at work.. mostly wifi, screen on a generous amount of time.. browsing xda, internet.. even played around with autodesk sketchbook..

Just got the phone today, it's been ridiculous. I've recharged my phone from 20% to 95% twice today. Granted, I've been using it non-stop
Now at 65%. Just terrible!
Android System 38%
Screen 20% (time on only 2h 5m)
Android OS 11%
Facebook 8%
Cell standby 5%
I had a lot of sync crap turned on that wasn't on my note 3 (like auto sync photos to google cloud), as well as some other settings that I just turned off like AT&T Address Book, and several google sync services I have no need for. Hoping that fixes it, I'll know tomorrow!
Android System.. that is where it would be syncing photos, right? I'm thinking that must've been it.

Get a wakelock detector
Sent from my SAMSUNG-SM-N910A using XDA Free mobile app

I've noticed that is phone really really wants to have full gps on stand by at all times.
Can't wait to get that battery update. But when that happens maybe never

Jennygirl said:
Just got the phone today, it's been ridiculous. I've recharged my phone from 20% to 95% twice today. Granted, I've been using it non-stop
Now at 65%. Just terrible!
Android System 38%
Screen 20% (time on only 2h 5m)
Android OS 11%
Facebook 8%
Cell standby 5%
I had a lot of sync crap turned on that wasn't on my note 3 (like auto sync photos to google cloud), as well as some other settings that I just turned off like AT&T Address Book, and several google sync services I have no need for. Hoping that fixes it, I'll know tomorrow!
Android System.. that is where it would be syncing photos, right? I'm thinking that must've been it.
Click to expand...
Click to collapse
A background process is eating your battery. I have gotten over a full days use with 3 hours or more of screen time and still at 35%, that or you got a bad battery. This phones battery life is incredible

Since I just got my phone this morning, I will have to report my batter usage later.
However, the phone charges SUPER FAST!

I'll tell you when it doesn't charge fast, I plugged it into my S3 charger last night at 11% and it still wasn't at 100% when I woke up about 9 hours later. Yesterday I got 3 1/2 hours of screen time after starting at 70% when I actually got the phone around 5 pm. The phone was under HEAVY use (downloading updates on LTE, customizing, etc.) I'll be interested to see how it does today under mostly normal conditions.

Thermalwolf said:
A background process is eating your battery. I have gotten over a full days use with 3 hours or more of screen time and still at 35%, that or you got a bad battery. This phones battery life is incredible
Click to expand...
Click to collapse
Glad to hear you feel that way! Thank you for the glimmer of hope! I have a feeling you are very right, and that it could have also had a lot to do with the huge amount of downloading I was doing yesterday. Today should be a much more normal day of use. I'll check back in a bit.

My battery went from fully charged to 94% in a matter of minutes just using the Internet. I decreased the screen brightness and removed the sync from some apps. If I don't see an improvement before my 14 days is up this is going back.

I also realized power saving mode was not enabled. After enabling that and disabling all unnecessary sync services, I'm stoked.
Usage seems to be great now, too.
81% battery left so far today
1h30min screen on time
3h23min total
Screen 33%
Android Sys 21%
Android OS 13%
Stellar!

Jennygirl said:
I also realized power saving mode was not enabled. After enabling that and disabling all unnecessary sync services, I'm stoked.
Usage seems to be great now, too.
81% battery left so far today
1h30min screen on time
3h23min total
Screen 33%
Android Sys 21%
Android OS 13%
Stellar!
Click to expand...
Click to collapse
You shouldn't have to use power save to get good battery performance. You definitely have a bad battery

Really? It seems pretty good to me now.
Is there a wake lock detector you would be able to recommend? Looks like it needs root?

I let my battery completely drain where it cut off at 1% and let the battery charge fully. Powered it back up and made sure nothing was syncing that I didn't need and now the battery seems to be performing better then before.

My battery usage today
Was on web and Facebook most of the time, downloaded some new apps, and uploaded a video to vimeo

Battery is quite short of impressive, and my N3 charges much much faster.

1brainsurgeon said:
Battery is quite short of impressive, and my N3 charges much much faster.
Click to expand...
Click to collapse
Either you have fast charging turned off or something is wrong with your charger/battery. turned off my phone charged 0-100% in 79 mins.

Yeah, his phone is broken or misconfigured if it charges slower than a Note 3. I've owned both, and the note 4 charges WAY faster.
Sent from my SAMSUNG-SM-N910A

I agree it is very noticeably faster. N3 was decent already with the provided charger, but N4 charge blazes.
Kinda want to get that Qualcomm fast charge 2.0 car charger so I can charge from 12v sources. The standard usb 5v 500mA regulated charge is pitiful

I have to constantly kill Index Service. It's loading CPU up to 100%. There's a bug since at least Note II. If you have large PDF files or many files of any kind, it will never finish indexing. Some reports link it to 64GB cards, but mine does it even without the card.

Gonna buy a SW3. Drain persist?

Hello,
I want to get this smartwatch but is the drain as bad as everyone suggests? Is it fixed?
Thanks
Sent from my Blackberry Torch

I stopped yesterday to use my SW3. Impossible to keep a watch wich can be out of power in 2 hour from 50% before
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3 times last week, worse since last update few days ago.

Mine needs charging every day, no point having it, if you turn all the features off to extend the battery
Sent from my E6653 using Tapatalk

I get 2.5 days battery life on average. Had sudden drain twice since I have it. That's OK with me considering a recharge is done in under an hour and the watch is far less important than my phone.
In my experience with smartwatches like smartphones or any other computer it is helpful to reboot it once in a while. I do that after every two or three charge cycles.
There are so many factors that play into battery life or that might even drain the battery. As far as I can see there doesn't seem to be a specific thing that can be held responsible for the bad experience some people have with the sw3. I don't think there is anything wrong with the watch just bad luck and an unfortunate combination of circumstances for some users.

shamez23 said:
I get 2.5 days battery life on average. Had sudden drain twice since I have it. That's OK with me considering a recharge is done in under an hour and the watch is far less important than my phone.
In my experience with smartwatches like smartphones or any other computer it is helpful to reboot it once in a while. I do that after every two or three charge cycles.
There are so many factors that play into battery life or that might even drain the battery. As far as I can see there doesn't seem to be a specific thing that can be held responsible for the bad experience some people have with the sw3. I don't think there is anything wrong with the watch just bad luck and an unfortunate combination of circumstances for some users.
Click to expand...
Click to collapse
I also get 2.5 days on average, anyway sw3 is about to get Android wear 1.4(Android 6.0) and possibly all battery problems will be gone.

I have : SW3, LG-G, LG-R and a Gear2 with Wear Mode. SW3 is the only wich can drain battery from 50% to 4% in 2H. Exactly same app and same use case for the 4 watch.

drain issue hasn't been fixed, but a workaround I do that seems to stabilize it is to restart after charging. Haven't had a bad drain since.

pawces said:
drain issue hasn't been fixed, but a workaround I do that seems to stabilize it is to restart after charging. Haven't had a bad drain since.
Click to expand...
Click to collapse
I got mine on Friday, and was ready to send it back to Amazon by Sunday because of the battery drain,
However, after reading the posts on here about restarting after a full charge, it does seem better. It's still a problem that need fixing, but this workaround certainly helps.

i have no sudden drain problem at all, i get about 2,5 days with average use. I'm running latest stock unmodified LCA43 firmware

No drain here. Easy 2 days of battery per charge

I don't think it is an issue anymore.

Mine hasn't drained for a while but it did today. Went from about 50% to 10% in about an hour or two. ?

Had also the battery drain in the beginning (bought it maybe 10 month ago). Restarting after fully recharged helped...till yesterday. I've the same behaviour like user dersie & Sparksltd, suddenly it drops from 50% to 0 within 2h again.

JavaGP said:
I don't think it is an issue anymore.
Click to expand...
Click to collapse
It's definitely still a problem for me - seems that unless I do a restart after charging I get the drain issue after every third charge and the watch goes from 100% to dead in about 7 hours whereas on a 'normal' day I would expect to use around 40% in an entire day which equates to the 2.5 days use some users are reporting.

mr nick said:
It's definitely still a problem for me - seems that unless I do a restart after charging I get the drain issue after every third charge and the watch goes from 100% to dead in about 7 hours whereas on a 'normal' day I would expect to use around 40% in an entire day which equates to the 2.5 days use some users are reporting.
Click to expand...
Click to collapse
I did get a big drain back in December of 2015 along with everyone else, but looking back I think that drain was (or may have been) caused by the OTA update of the Android Wear OS - not the old drain issue. And except for that I haven't had one in months. I am very sorry to see that you and so many other SWR50 owners are still having problems with this.

Bought this watch two weeks ago and it's rock solid. No drain at all, it easily lasts for 2 days of usage.

I tend to switch mine off over night, I have noticed that from time to time despite being switched off it drains the battery. Has anyone got same issue ?

lexwon said:
I tend to switch mine off over night, I have noticed that from time to time despite being switched off it drains the battery. Has anyone got same issue ?
Click to expand...
Click to collapse
Yes
I'm trying to see with map disabled (see other post).

dersie said:
Yes
I'm trying to see with map disabled (see other post).
Click to expand...
Click to collapse
I also consider buying it. And reading all this comments about the battery drain makes me dare to ask if the issue only persist when the GPS and WIFI are on?

nikolov47 said:
I also consider buying it. And reading all this comments about the battery drain makes me dare to ask if the issue only persist when the GPS and WIFI are on?
Click to expand...
Click to collapse
No it is a random issue and we never know why ???
After 2 days without map I have no issue. No enough time to know if it is related but I have good hope of the issue is related to "Google map"

so... Did the 6 update fix the battery drain?

I haven't seen it since I got the update a few days ago... anyone else seen it since the update? *fingers crossed*

senectus said:
I haven't seen it since I got the update a few days ago... anyone else seen it since the update? *fingers crossed*
Click to expand...
Click to collapse
Well, I've left it overnight, airplane mode ON and Always on OFF. Drained 4%. Is this good?

Adikovec said:
Well, I've left it overnight, airplane mode ON and Always on OFF. Drained 4%. Is this good?
Click to expand...
Click to collapse
mines been on since 1630 yesterday, connected to phone and screen always on now at 58%

I can't break the habit of powering down when I put it on the charger and keeping it off until it's unplugged. Works everytime. I only had stock mm for a day then flashed alex6600s kernel.

Adikovec said:
Well, I've left it overnight, airplane mode ON and Always on OFF. Drained 4%. Is this good?
Click to expand...
Click to collapse
In this mode and on table it drain about 0.5% by hour.

I know I'm probably jinxing myself but I'm finding the battery is *much* better in this build!
Sent from my Nexus 6P using XDA-Developers mobile app

no battery drain so far
Since 4 days on MM....long way to go until we know for sure though...so far MM seems pretty stable...equal or improved over the previous one.

Quick update from M - 3rd day, 20% battery left. Thanks Sony

After update to MM I turned off gps, wifi and my watch not live more than day. It have about 5% power consumption per hour. What the problem is?

Havn't seen much change yet.
But even when the watch was om 5.1.1 it did good time. Two to four days between charging. Normal two days when using GPS for running every second day.
And so fare it behaves the same on 6.0.1.

No, it didn't. Not because it was 5.1.1's fault but it was app sync's fault.
I had only one battery drain on 6.0.1 - it was right after the very first setup. The same thing happened to me when I was setting up my watch the very first time while on 5.1.1.
On both versions, unpairing the watch, forgetting it in the app, resetting the watch and then, again, pairing it with the phone while plugged, letting it do its job during the sync process, not touching both the phone AND the watch for some time fixed the problem.
Battery life on 6.0.1 is very, very good. The watch lasts for about 3 days. Always On - ON, Gestures - ON, WiFi - ON... well, everything is on, even location.

romcio47 said:
No, it didn't. Not because it was 5.1.1's fault but it was app sync's fault.
I had only one battery drain on 6.0.1 - it was right after the very first setup. The same thing happened to me when I was setting up my watch the very first time while on 5.1.1.
On both versions, unpairing the watch, forgetting it in the app, resetting the watch and then, again, pairing it with the phone while plugged, letting it do its job during the sync process, not touching both the phone AND the watch for some time fixed the problem.
Battery life on 6.0.1 is very, very good. The watch lasts for about 3 days. Always On - ON, Gestures - ON, WiFi - ON... well, everything is on, even location.
Click to expand...
Click to collapse
exactly the same here, did the 6.0.1 update and battery down to 16% in less than 40 min.
Wiped everything, unpaired, did update again but now via PC companion, resetted everything again and now great battery life. 2x 20 min gps daily for bike ride and still 2 day battery life.

Battery curve in 6.0.1
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It drop to 10 after power ON the morning. When Power Off for the night it was at 46%
So no software issue (and never was software issue), just a deffective (deteriored) batt. I think there are faulty regulator charge circuit in SW3 and the battery overcharged. Just see how fast an SW3 can be charged, not normal charge process.
In general way, when a lithium batt drain faster after 50(40) % it mean batt is damaged.
I have normal drain from 50% to maybe 40%. Problem is after 40%.

So far I haven't suffered the random battery drain since the update.
Sent from my SM-N920T using Tapatalk

For me is seems to be fixed. But the app Wear Battery Stats stopped working. Hm, I don't need it anymore.

Standby drain

When you sleep, does your phone sleep, or does it stay up all night and crunch 1s and 0s? Rate this thread to express how you deem the speed at which the OnePlus 3T's battery drains under standby conditions. A higher rating indicates that when the phone is not in use, the battery drains minimally.
Then, drop a comment if you have anything to add!

I think MM is good in general, but so far so good. I only lose 1 to 3% overnight.

I have plenty of battery drain overnight, mostly the Android system, Android OS and Google services.

I've had the phone for 2 days now and overnight battery drain is around 5%, but the real problem is that Android System takes up around 30% of my battery.

in 8h night (standby) i get 1-2% drain.
wifi, sync enabled.
if you get major drain, then its something on your setup causing it.
its always like that. (except something is broken on hardware side)

OxygenOS 3.5.1. - 1-2% battery drain;
OxygenOS 3.5.3. - 0% battery drain (in one scenario phone was left to [email protected]% (took off the charger and it drained 0% in 4 hour sleep period and in the other scenario the phone was left @53% to sleep and it drained 0% in 8 hour sleep period)
more info can be found here -> http://forum.xda-developers.com/oneplus-3t/how-to/battery-life-sd821-400mah-t3505786

My experience is that the phone is better than average for sleep drain, just ~1-2 % with stock kernel. With Tyranus kernel v12 by @mdalexca, I'm not seeing any drain overnight at all. Battery life on medium usage looks to be a few days at least. (Yeah, I'm a light user aside from my first week with a new phone where I nearly wear it out ;)

Using Nova Launcher ...experiencing battery drain 3~4% overnight (5-7 hours) with WiFi off. But during the day, WiFi on, not even touching phone and it goes down 10% in an hour and a half. Battery reports Android System as the culprit. Any suggestions guys?

Melpower said:
Using Nova Launcher ...experiencing battery drain 3~4% overnight (5-7 hours) with WiFi off. But during the day, WiFi on, not even touching phone and it goes down 10% in an hour and a half. Battery reports Android System as the culprit. Any suggestions guys?
Click to expand...
Click to collapse
Turn off Android System.
Sorry, couldn't resist.

I got pretty good standby last night. Some nights don't give me near as good standby, so it's quite inconsistent.
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Melpower said:
Using Nova Launcher ...experiencing battery drain 3~4% overnight (5-7 hours) with WiFi off. But during the day, WiFi on, not even touching phone and it goes down 10% in an hour and a half. Battery reports Android System as the culprit. Any suggestions guys?
Click to expand...
Click to collapse
Hows your deep sleep, working ok? Even if it shows Android system, it could be some app which isnt working correctly.

I got someone here with one plus 3 non t version (I got t, same problem like you) and is just flashed Chinese version of one plus 3 on his phone and zero drain but bare in mind the Chinese version doesn't got Google services at all , no play store and stuff , is saying is got more juice now , but I am just thinking you will need to install Google services for YouTube and stuff . Hmmm just saying Google battery hog .
For now I am waiting for developers to receive their phone . I just can't wait for many custom ROMs

using stock Oxygen with BT/Wifi on, 2 push accounts with 4-5% drain overnight

Eremitus said:
Hows your deep sleep, working ok? Even if it shows Android system, it could be some app which isnt working correctly.
Click to expand...
Click to collapse
How do I check the deep sleep? I just went back to the shop and idk what they did but they said they ran a software check(?) And asked me to try the phone again for a day. Surprisingly overnight with wifi off only went down 1℅ (but this was on oneplus launcher) but then during the day it drained as fast as previous. But now the batt reports show first Android OS, Cell standby and then Android system....

Melpower said:
How do I check the deep sleep? I just went back to the shop and idk what they did but they said they ran a software check(?) And asked me to try the phone again for a day. Surprisingly overnight with wifi off only went down 1℅ (but this was on oneplus launcher) but then during the day it drained as fast as previous. But now the batt reports show first Android OS, Cell standby and then Android system....
Click to expand...
Click to collapse
I'm not sure is it possible to check it without the root, but if you are rooted, then BetterBatteryStats is quite handy: https://play.google.com/store/apps/details?id=com.asksven.betterbatterystats&hl=en

Eremitus said:
Hows your deep sleep, working ok? Even if it shows Android system, it could be some app which isnt working correctly.
Click to expand...
Click to collapse
Eremitus said:
I'm not sure is it possible to check it without the root, but if you are rooted, then BetterBatteryStats is quite handy.
Click to expand...
Click to collapse
Yeah that apps requires root...thanks anyway

I have the MBA bug. I see a lot of people avoid it by staying on WiFi but I can't. Result is rapid battery drain.
I'm still getting reasonable battery though if I remember to toggle airplane mode. Device sleeps well enough. Almost perfect awake to screen on ratio.

ExjeetzZ said:
I have plenty of battery drain overnight, mostly the Android system, Android OS and Google services.
Click to expand...
Click to collapse
Looks like OnePlus isn't bothered to fix this bug.

server3249 said:
Looks like OnePlus isn't bothered to fix this bug.
Click to expand...
Click to collapse
why don't you disable wifi/bt scanning and disable facebook/messenger notificationn?
oneplus is actually well optimized and drain is about 4% overnight

masi0 said:
why don't you disable wifi/bt scanning and disable facebook/messenger notificationn?
oneplus is actually well optimized and drain is about 4% overnight
Click to expand...
Click to collapse
Wifi scanning and bluetooth is already disabled, and facebook isn't installed. This same issue exists in Oneplus 3 and Oneplus is not bothered to fix it.