Develop Bugs

Greatly improved battery life (CDMA)

Last night I restored my phone using the factory image. For some reason I anticipate an OTA soon so I wanted to be ready. Anyhow, before I suffered from the battery drain bug. I forgot to charge my phone last night, and didn't realize it until I got in my car and put it on the car charger and it said 89%. My first thought was that my battery drained over 10% in the hour I was getting ready and not using it! Then I went into battery settings and found out I never charged it.. then I found some pleasant... well, I'll just show you.
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As you can see, I lost less than 5% battery during the 6+ hours my phone was unplugged. I had the phone in the living room charging while watching a movie. Then I unplugged and used it for about 20 minutes in the bedroom which accounts for the first rapid drop in battery. But after I set it down, the phone went into a coma. And I can't see exactly, but it looks like it was only 2 or 3% which is great!
Not sure what changed, I still have the same apps installed, even Facebook. I did, however, NOT disable VZ backup assistant like I normally do. Maybe that is what causes the OS to go bonkers? Thoughts?
Sent from my Galaxy Nexus using XDA App

I got about 20 hours out of mine yesterday (extended battery) with moderate usage (texting, ebay, facebook, web) This is after unlocking the bootloader and rooting. Unlocking the bootloader resets the phone to factory state. I've read a few other posts around the web where battery life is greatly improved after a factory reset. Android OS is still the main things devouring my battery, but I almost don't care with the performance I'm getting. I should also mention that I wiped battery stats from CWM and then calibrated the battery on first charge.
I'm no dev, so I don't know why a reset would help. Then again, maybe it was wiping battery stats and calibrating that helped me. Just my $.02

How did you calibrate the battery?

There's a free tool in the market that will calibrate for you. Have to be rooted though. Just search for calibrate.
Sent from my Galaxy Nexus using XDA App

Surprised this isn't getting more acknowledgement. Any one else experience the same after a reset?
Sent from my Galaxy Nexus using XDA App

Guess maybe I'm one of the lucky few...I've always had this type of battery life. The phone just sips power while the screen is off.
While it is on...well that's different. I keep the brightness high and get about 2-2.5 hours of screen time before it powers off.

The interesting thing here is that it seems that you have the Android OS constantly waking up the phone but yet it still barely uses battery.
Do you have location services turned on or off?

Turned on. I noticed that too but the overall awake time is low. Usually it would be over half of the entire time on battery, sometimes 100%.
Sent from my Galaxy Nexus using XDA App

I used 50% in about 3 hours on my extended battery.
fml.

Great battery life, but you didnt really use your phone much.
Your "Screen on" is only about 15% of those 6 hours. Which ends up being about an hour.
Still, none the less, great battery life/power consumption.

rpnunez said:
Great battery life, but you didnt really use your phone much.
Your "Screen on" is only about 15% of those 6 hours. Which ends up being about an hour.
Still, none the less, great battery life/power consumption.
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I think you missed the point. I said this was done while I was sleeping. Many people are experiencing extreme battery drain even when they aren't using the phone, as was I. After restoring from the factory image, my issue seems to be gone.
Sent from my Galaxy Nexus using XDA App

kangxi said:
I think you missed the point. I said this was done while I was sleeping. Many people are experiencing extreme battery drain even when they aren't using the phone, as was I. After restoring from the factory image, my issue seems to be gone.
Sent from my Galaxy Nexus using XDA App
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I unplugged my phone at 11:30 pm with 98%, woke up at 7:30 am today and it dropped to 76%. So a 20% drop in 8 hrs with the phone just sitting there with wi-fi on and no apps running. It'd be very interesting to see if a factory restore would help.
How's the battery life now that you're using it?

Im thinking of unlocking and rooting mine tonight. havent had a moment to read the walkthrough just yet.

i noticed this too last night/today. i went to sleep after installing bugless beast 4.0.3 cdma, left it off the charger, and today i saw the chart was pretty much a flat line. i don't recall the exact times, but i'll try to time it out. about 8 hours
i wonder if all the initial extreme battery drain reports are due to the 'wowanewphone' effect, where you are molesting your phone 24/7, as opposed to the typical day-to-day use you'll eventually fall back into

[Q] 5.0 extreme battery usage

I loaded the 5.0 factory image last week and my battery usage has been awful since. I am 100% stock. No root or mods at all.
Yesterday I took my fully charged N7 off the charger about noon. I hardly used it. Sent 3 emails and checked football scores a few times. 10 minutes use max. 95% of the time it was sitting with the screen off. By midnight it was almost dead. I have wifi off during sleep. This morning it's been off the charger for 2 hours and is down 20%. I have not used it at all other than to check the battery. Previously it would last 2-3 days between charges with light use. Not seeing anything standing out as using excessive amount of battery. Android System uses the most at 17%
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I know there was a wifi bug but I thought that was fixed prior to the release of the factory images. Strange thing is I have run all the L previews and currently a pre image release of a 5.0 AOSP rom on my N5 and I've had no issues at all.
Anyone else seeing this or have any suggestions?

I been looking for a thread like this. Coming from 4.4.4 all stock battery was great, I don't have any statistics but moving from 4.4.4 to 5.0 still stock no-root, the device gets really warm and battery drop isn't very comforting.
I hear the nexus 9 also gets very warm, must be a 5.0 bug.

5.0 with NRT Sideload update and no issue with battery nor wifi. I loose max 1% by hour in the night ! As I have a little use I can keep it during 3 days without charge !

hokuto34 said:
5.0 with NRT Sideload update and no issue with battery nor wifi. I loose max 1% by hour in the night ! As I have a little use I can keep it during 3 days without charge !
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my friend 1% per hour is much
with wifi and sync all the time during night i get 0.1%/h
i confirm drain battery on 5.0 for nexus 7 unfortunatelly!

Same here. Pretty bad battery life with 5.0. Battery would not last more than a day. On 4.4.4 I can easily go 2 days.
Sent from my Nexus 7 using Tapatalk

61% left 1 day 11h

I was on XDABBED's rooted stock-image, the battery usage was as bad as the OP's situation.
Since then, I moved to XDABBED's latest AOSP release ... the battery usage has been GREAT.

Also on stock and I can confirm that the battery is worse.
Previously on stock 4.4.4 I had calculated that 10% battery can get me through one day or one hour SOT.
After flashing factory image I can confirm that the most I can manage is 4-5 hours SOT in two days.
That's 30-40% higher battery consumption.

why don't you download an App Ops tool from google play store
and deactivate any location service.
Currently, there are not that many app ops tool that can support lollipop.
One from Lars Team works on Lollipop, so I am using that.
For me, google play service was using extensive amount of power for location search,
and after I turned down location search capability of google play service, the power drainage stopped.

Same Issue
Yes I am also facing the same problem. Terrible battery time. I charged my Tablet yesterday and pulled it out at 100% at 10pm. I put it on Airplane mode and went to sleep. When I woke up today at 6am the battery was showing 70%. It ate 30% at night doing what? I am very disappointed. On Kitkat 4.4.4 I never had such terrible battery performance. I am going to try it out today again and ensure that all apps are closed. Lets see what the performance will be like. Will update tomorrow.

I loaded Battery Batter Stats last night and left unplugged overnight so that I could check for partial wake-locks this morning. Unfortunately the battery was completely dead when I woke up. I put it on the charger when I left for work so I can check tonight.

nike984 said:
One from Lars Team works on Lollipop, so I am using that.
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Click to collapse
i followed your advice i disabled the location query and the right to keep the device awake and will report later tha night or tomorrow :good:

I can confirm that the tablet gets a little bit warmer with Android L and that was just Initial Setup, idk yet about battery I will fully charge tonight and test tomorrow.

nike984 said:
why don't you download an App Ops tool from google play store
and deactivate any location service.
Currently, there are not that many app ops tool that can support lollipop.
One from Lars Team works on Lollipop, so I am using that.
For me, google play service was using extensive amount of power for location search,
and after I turned down location search capability of google play service, the power drainage stopped.
Click to expand...
Click to collapse
This was a good advice I must admit [emoji4]
I installed App Ops and noticed huge Location usage from Android System. After I disabled this the battery drain is a lot smaller. Not as good ad KK but very tolerable.
Also noticed that my video player, Archos, is using more power on Lollipop that before. I use it same or less than on KK but it drains the battery a lot more and is always at the top in battery usage.

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.
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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.
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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.
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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 ?
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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"

Battery life issues still continuing after 6.0 update

The 6.0 update still has battery issues. Removed my watch from the charger at 6:45am...it's now 10:45am and it's down to 65%. Not acceptable life. Anyone else having these issues?

Try factory reset. Then run it down until it dies to recalibrate the battery. It worked for me. Hope this helps.

Having same issue, no apps installed besides Keep. No changes made to settings, except turned off accelerometer to turn screen on when twisting hand. Already did 2 factory resets, I do not know what to do anymore. Of course, ambient screen is off. It barely lasts 10h. Most ****tiest battery I have ever seen on any device. Maybe 6.0.1 is bugged, but I'm thinking if I should load 5.1.1 manually if it's better and lose my warranty, or just freakin' return it.

christiano88 said:
Having same issue, no apps installed besides Keep. No changes made to settings, except turned off accelerometer to turn screen on when twisting hand. Already did 2 factory resets, I do not know what to do anymore. Of course, ambient screen is off. It barely lasts 10h. Most ****tiest battery I have ever seen on any device. Maybe 6.0.1 is bugged, but I'm thinking if I should load 5.1.1 manually if it's better and lose my warranty, or just freakin' return it.
Click to expand...
Click to collapse
I'm about to sell mine. With each update, it gets worse and worse.

christiano88 said:
Having same issue, no apps installed besides Keep. No changes made to settings, except turned off accelerometer to turn screen on when twisting hand. Already did 2 factory resets, I do not know what to do anymore. Of course, ambient screen is off. It barely lasts 10h. Most ****tiest battery I have ever seen on any device. Maybe 6.0.1 is bugged, but I'm thinking if I should load 5.1.1 manually if it's better and lose my warranty, or just freakin' return it.
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Click to collapse
The fist couple of days, I had the same issues. .. I would get about 8 to 10 hours... it sounds kind of weird, but really no kidding give it a couple of days to optimize it self , after draining the battery to like 10 % or so, do a factory reset and wait till it completely run out of power... let the thing die completely so that the battery recalibrates... at least that's what did it for me... I get over 24 hours everything on except ambient mode... I'm on marshmallow. .. CREDITS TO ( STEVER87 ) this really worked for me... it will work for you too.
---------- Post added at 06:05 PM ---------- Previous post was at 05:57 PM ----------
agentfazexx said:
I'm about to sell mine. With each update, it gets worse and worse.
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Click to collapse
You have a great gadget in your hands... STEVER87'S advice worked for me...follow his advice and you'll see a dramatic improvement... just give the watch about 1 to 2 days to get optimized.

I think I "fixed" mine, just when I was about to return it. I changed my phone from a meizu to a xiaomi and the drain stopped, weirdly. It seems that it does matter with what device it's paired with. Now I finish the day with 50% battery.

I've had great battery life after the Marshmallow update. I take my watch off the charger around 7:00 AM and don't need to charge until around 10:00 PM the next day (approximately 40 hrs). I have about a dozen apps installed and have Ambient screen, Tilt to wake screen, Gestures and Wi-Fi off.

My watch wont drop below 12%/h . i tried probably every trick there is to find to extend the battery (Factory reset watch and/or phone, instal previous versions of android wear). For every method i've tried i Let the watch settle for a couple of days. 8 to 9 hours Max Without touching it. Is my watch faulty?

I keep a charging pad at work too give it done extra juice when needed
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vensterbank said:
My watch wont drop below 12%/h . i tried probably every trick there is to find to extend the battery (Factory reset watch and/or phone, instal previous versions of android wear). For every method i've tried i Let the watch settle for a couple of days. 8 to 9 hours Max Without touching it. Is my watch faulty?
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hi vensterbank,
did you solve your problem with battery life? Mine is running out of power in about 7 hours!

dodles88 said:
hi vensterbank,
did you solve your problem with battery life? Mine is running out of power in about 7 hours!
Click to expand...
Click to collapse
Its still the Same. Tried Different roms and kernel's. Even tried it a while on my girlfriend's Z1 Compact. I'm going to return it at the retailer for repairs. I really think mine is faulty
Sent from my Nexus 5 using XDA-Developers mobile app

Battery discharging abnormally fast.

A few weeks ago i had this weird abnormally fast discharge got the phone at 2% battery for like 30 minites, then 3% battery. So i took this capture.
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Now, my phone discharges abnormally fast since yesterday
My phone is 100% stock 6.0, logd dissabled since months ago, same usage, very weird, so much frustation. From 20% to 2% in 20 minutes, wtf? .
Phone is 5 months old. H815P.
Help? Any tip, anything?
Sent from my LG-H815 using XDA-Developers mobile app

It's happening more or less the same on my H815. I've tried everything so far: plane mode or not, different roms stock or not, 5.1 and 6.0, dozens of factory resets, even a brand new battery, it's exactly the same everywhere. Phone will suck around 10% per hour even when freshly formated and untouched, even on plane mode. And any application informing of battery stats won't point at anything as the culprit, it's like the battery capacity is suddenly a 10% of what it should be but will still take 1:30h to fully charge. I haven't RMA'd it yet because mine has the bootloader unlocked but I might if it doesn't fix itself soon. What serial is yours? Mine is a 508.
Hopefully, living in Europe means they won't reject the warranty for an unlocked bootloader as it's obviously a hardware problem.

beje86 said:
It's happening more or less the same on my H815. I've tried everything so far: plane mode or not, different roms stock or not, 5.1 and 6.0, dozens of factory resets, even a brand new battery, it's exactly the same everywhere. Phone will suck around 10% per hour even when freshly formated and untouched, even on plane mode. And any application informing of battery stats won't point at anything as the culprit, it's like the battery capacity is suddenly a 10% of what it should be but will still take 1:30h to fully charge. I haven't RMA'd it yet because mine has the bootloader unlocked but I might if it doesn't fix itself soon. What serial is yours? Mine is a 508.
Hopefully, living in Europe means they won't reject the warranty for an unlocked bootloader as it's obviously a hardware problem.
Click to expand...
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http://forum.xda-developers.com/and...ttery-life-t3095884/post60429417#post60429417

Spoookie said:
http://forum.xda-developers.com/and...ttery-life-t3095884/post60429417#post60429417
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Click to collapse
Been there, done that. No matter if I'm using a freshly factory reset stock ROM with all radios activated or a fully modded, debloated, greenefied and amplified CM installation on plane mode. Battery will still deplete at 10% hour with no culprit in battery stats (top one will be Screen with something like 30 minutes on and 100mAh used)

beje86 said:
It's happening more or less the same on my H815. I've tried everything so far: plane mode or not, different roms stock or not, 5.1 and 6.0, dozens of factory resets, even a brand new battery, it's exactly the same everywhere. Phone will suck around 10% per hour even when freshly formated and untouched, even on plane mode. And any application informing of battery stats won't point at anything as the culprit, it's like the battery capacity is suddenly a 10% of what it should be but will still take 1:30h to fully charge. I haven't RMA'd it yet because mine has the bootloader unlocked but I might if it doesn't fix itself soon.
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Click to collapse
https://www.reddit.com/r/nexus5x/comments/3y8144/guide_finding_battery_issues_with_googles_battery

One Twelve said:
https://www.reddit.com/r/nexus5x/comments/3y8144/guide_finding_battery_issues_with_googles_battery
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Click to collapse
Thanks, I'll try. Even though Better Battery Stats does more or less the same and showed absolutely nothing (wakelocks et all) draining the battery.

That tool has a lot more granularity maybe it might reveal some more clues. Same goes for the OP.
let us know how it goes.

beje86 said:
Been there, done that. No matter if I'm using a freshly factory reset stock ROM with all radios activated or a fully modded, debloated, greenefied and amplified CM installation on plane mode. Battery will still deplete at 10% hour with no culprit in battery stats (top one will be Screen with something like 30 minutes on and 100mAh used)
Click to expand...
Click to collapse
CM you get what you get...try Genisys

Does the phone get warm while this is happening?
the way I see it, you either 1) have crappy battery, and phone is normal so doesn't suck down lots of electricity and doesn't get warm, or 2) have fine battery, and phone is acting weird and sucking down all your energy.
If you are situation 2), then you would feel the phone get very warm to use that much energy so fast. If your phone is cool during all this time, then it's not using much energy to be able to stay cool, so you know your battery is having a problem.
maybe try cutting a hole in your pocket and put your phone against your thigh to really feel whether it's too warm.