Develop Bugs

[Q] Need help, battery going down fast since firmware update

So i run 2.3.3 unrooted and updated to the latest firmware.
Problem is my battery goes down so fast now. 08:00 to 18:00 and it is dead. I havnt even used it much.
Normally i can just about squeeze 2 days out of it, now it is only lasting 10 hours.
If i click tools, settings, battery use, the processes display very fast, then disapear so i can not even see what is draining it.
Can anyone recomend a battery app so i can see what is using all the juice?

Use battery life calibration to reset the battery cache first.. Also see what is eating your battery after the reset
Sent from my XPlay using XDA App.

Deoxlar said:
Use battery life calibration to reset the battery cache first.. Also see what is eating your battery after the reset
Sent from my XPlay using XDA App.
Click to expand...
Click to collapse
Thanks for the suggestion, but.....
1) I am not rooted as stated in my original post (so cant use battery calibration)
2) I cant see what is eating the battery as the processes disapear when i try to look, as i also stated.....
lol
Any other ideas?

Could be that your RAM is getting chewed. Buy juice defender ultimate and memory booster lite? See what's running around in the system and do something about it, root or ignore
Reason your phones dieing fast? Maybe you DLed alot of apps and they run in background, using battery.
Sent from my Xperia PLAY R800i using XDA App

Sorry I don't have any suggestions to your problem but there's definitely a bug or two in the new fw?
This is how my battery usage looks like. First fpse took up three rows of space but then it all of a sudden took five rows?
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My messages also have like 4 or 5 empty lines above when I sent txt's?
Regards Dousan...

Cat_On_Droid said:
Could be that your RAM is getting chewed. Buy juice defender ultimate and memory booster lite? See what's running around in the system and do something about it, root or ignore
Reason your phones dieing fast? Maybe you DLed alot of apps and they run in background, using battery.
Sent from my Xperia PLAY R800i using XDA App
Click to expand...
Click to collapse
Havnt downloaded anything since i updated. Apart from the firmware update, everything is exaclty the same.
I think i have found the answer anyway.
There is a new feature in the firmware update that tells you when you lose signal. I presume that it then searches for a new signal and thus wasting the battery in a way that it didnt do before.
I work in a concrete building where the signal is constantly on and off and i believe that the phone is constantly scanning for a signal, probably a new feature of the firmware update.
I am going to swith the phone to GMS only tomorrow and see if it makes a difference. (gsm is a stronger signal where i live).
Im quite sure that is the reason.

Dousan said:
Sorry I don't have any suggestions to your problem but there's definitely a bug or two in the new fw?
This is how my battery usage looks like. First fpse took up three rows of space but then it all of a sudden took five rows?
My messages also have like 4 or 5 empty lines above when I sent txt's?
Regards Dousan...
Click to expand...
Click to collapse
Yes, this is the exact problem i have too.
Definately a bug.

Also take into consideration that if you have xLoud switched on this is also a sure way that your battery life will drain if you have a lot of audio playing.

dsswoosh said:
Havnt downloaded anything since i updated. Apart from the firmware update, everything is exaclty the same.
I think i have found the answer anyway.
There is a new feature in the firmware update that tells you when you lose signal. I presume that it then searches for a new signal and thus wasting the battery in a way that it didnt do before.
I work in a concrete building where the signal is constantly on and off and i believe that the phone is constantly scanning for a signal, probably a new feature of the firmware update.
I am going to swith the phone to GMS only tomorrow and see if it makes a difference. (gsm is a stronger signal where i live).
Im quite sure that is the reason.
Click to expand...
Click to collapse
There's nothing at all new about this. Every single cell phone released does this.

zerojay said:
There's nothing at all new about this. Every single cell phone released does this.
Click to expand...
Click to collapse
Yes i know.
But the way the Xperia Play does this has changed since the Firmware update.
I know it has changed because now there is a message that is displayed as a notification. If the notification process is constantly cycling, which it now does since the update, and not before, this may be eating up more battery power than necessary.
Since i have not changed anything on my phone, the quick death of the battery is most probable something to do with the firmware update. I believe this change to be the most likely candidate since it is the only thing that is constantly cycling on and off.
Either that or the SE data widget is eating up the battery since that is the only thing i have added to the homescreen.
Both are possible i guess.

Your device searching for a signal is exactly what is killing it. I know on any of my verizon phones I have owned when I am in an area that has little or no signal my battery will die in just a few hours. Not sure what the device is like over seas, but any time I have a crappy signal my battery will deplete very very fast, but it usually shows up in battery manage as cell standby.

Ok,how do permanetently SHUT DOWN the Phones Signal Searching? It also drains my battery too >_>

Cat_On_Droid said:
Ok,how do permanetently SHUT DOWN the Phones Signal Searching? It also drains my battery too >_>
Click to expand...
Click to collapse
Settings, Wireless and Networks, Mobile Networks, Network Mode ----> GSM only.
This will not eliminate the problem, but it will prevent the phone searching for the superior WCDMA signal. The downside is that you can only get G and E data connections. But......this doesn't matter because if you are in a weak signal area you have no hope of getting an H connection anyway.
GSM is generally a stronger signal in my area. Probably yours too (and thus reduces signal search cycling even further because you are going to have a signal for more of the time).
I will test this tomorrow and let you know how it goes. I am sure the Firmware update has caused the phone to cycle more frequently when seaching for a signal and this is why the battery now drains faster.
Thanks to the poster above who confirmed this drains the battery too.

What you could do is do what I do... I use Tasker and have a profile that turns on airplane mode if it sees that the connection has dropped to 0, such as when I'm in the underground parts of my work building. Then every 9 minutes, it will turn off airplane mode, check for signal again for a minute or two and if there's still no signal, back to airplane mode and repeat.
There are also a few apps you can use such as NoBars that can help you do the same thing easily.

The same problem after Update to newest Version. The Network Standby is the Energy-eater in my Batterystatussettings.
This problem i have too with the Xperia Play Release Firmware with 2.3.2 but the last 2.3.3 with Facebook Integration fix this and now the newest Update disable this fix
Sent from my R800i using Tapatalk

German-Guy said:
The same problem after Update to newest Version. The Network Standby is the Energy-eater in my Batterystatussettings.
This problem i have too with the Xperia Play Release Firmware with 2.3.2 but the last 2.3.3 with Facebook Integration fix this and now the newest Update disable this fix
Sent from my R800i using Tapatalk
Click to expand...
Click to collapse
Is there a solution to fix this?
Im currently losing 10% battery every hour and not even using the phone!

Anyone has any suggestions?
I currently consider my phone broke since the battery goes so dam fast.
I have not used my phone at all and am now down to 35% after 4.5 hours usage.
This, at the moment, is completely unnaceptable. Will make an offical post on the Sony forums when i get home.
Firmware update has definately broke the battery usage when you are constnatly traversing in areas with little to no signal.

Use Nobar, airplane mode....
Sent from my Xperia PLAY R800i using XDA App

Is this only happening on the cdma version because I am experiencing no problems on my 3g
Sent from my R800i using XDA Premium App

subcu1ture said:
Is this only happening on the cdma version because I am experiencing no problems on my 3g
Sent from my R800i using XDA Premium App
Click to expand...
Click to collapse
I guess it will happen to all phones with the new firmwarw and constantly in areas with little or no signal.
I am guessing the signal search frequency has been altered for more search attempts per minute or whatever.
Going to try nobars. Thanks for the suggestions all.

"Android OS" consuming battery [POTENTIAL SOLUTION]

EDIT
I was able to solve my battery issue by formatting my SD card. Something on there was causing the battery to drain 2-3 times more quickly than normal. After formatting, I went from 6-8 hour battery life to around 20 hours with significant usage (Google, Exchange, IMAP, Facebook all on push, 3G+Bluetooth+GPS on, 4G and wifi as needed for extra speed).
Important to note, I am not entirely convinced that the Android OS and battery drain are related since I still have Android OS near if not at the top of my battery consumption screen, but the improved actual longevity is very significant. I recommend anyone having their battery run out format their SD card (and possibly USB storage) and see if that helps (obviously back up any important data first!). Good luck!
ORIGINAL POST
I'm getting pretty bad battery life, and it looks like "Android OS" is consuming most of it. I've rebooted (as suggested in other threads), checked OS Monitor for high-CPU usage processes, but nothing stands out. This is un-rooted, stock OS with no third party launchers installed.
I have a feeling if this issue was fixed, I'd be getting great battery life. This happening to anyone else?
Screenshots show the device at 38% after 6.5 hours off the charger.
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if u using a 2.3.3 based rom is normal, that bug is fixed at 2.3.4 and 2.3.5
Sent from my GT-I9000 using Tapatalk

Dfolt said:
if u using a 2.3.3 based rom is normal, that bug is fixed at 2.3.4 and 2.3.5
Click to expand...
Click to collapse
xak944 said:
This is un-rooted, stock OS with no third party launchers installed.
Click to expand...
Click to collapse
My device is running 2.3.4.

That's an awful lot of awake time with no screen on time. Do you have things updating in the background frequently? I.e. social hub, Facebook, news widgets?
And not to be too obvious, but is your 4g antenna turned on?
Sent from my SPH-D710 using XDA App

MoMatt said:
That's an awful lot of awake time with no screen on time. Do you have things updating in the background frequently? I.e. social hub, Facebook, news widgets?
Click to expand...
Click to collapse
No, I don't. I have fewer widgets and fewer accounts (haven't set up my work Exchange yet) than I previously had on my EVO, which got great battery life.
I've been on Android over a year and am quite familiar with how it works... I'm just unfamiliar with Samsung specifically and unrooted devices and was hoping someone might have a similar experience.

I have the same thing. Significantly more awake time then screen on time, and Android OS eating the battery. Also stock.

Same here too

I had this exact issue and no longer do. Here is what I did and posted in another thread:
OK I hope someone finds this useful and/or can verify. I was one of those people getting awful battery life, meaning lucky to last 8 hours from 100% to 0%. The "Android OS" process would take hours of CPU time. Now it will take up maybe 30 min over the course of the day. Here is the only thing I did between the time it went from bad to good. I changed the wifi sleep policy. It is by default (for me at least) set to never. I changed it to "when the screen turns off" and left it there for about an hour. Then went in and changed it back to never. From the point of doing this my battery life has been great.
I know it sounds strange but it seems to have worked for me so I thought I would share.

mjdoran said:
I had this exact issue and no longer do. Here is what I did and posted in another thread:
OK I hope someone finds this useful and/or can verify. I was one of those people getting awful battery life, meaning lucky to last 8 hours from 100% to 0%. The "Android OS" process would take hours of CPU time. Now it will take up maybe 30 min over the course of the day. Here is the only thing I did between the time it went from bad to good. I changed the wifi sleep policy. It is by default (for me at least) set to never. I changed it to "when the screen turns off" and left it there for about an hour. Then went in and changed it back to never. From the point of doing this my battery life has been great.
Click to expand...
Click to collapse
Thanks for the suggestion!
I made the change, hopefully it will help, although I'm reluctant since I haven't had wifi on all day and my battery has been dropping like a rock. Here's hoping... will report back if it helps.

xak944 said:
Thanks for the suggestion!
I made the change, hopefully it will help, although I'm reluctant since I haven't had wifi on all day and my battery has been dropping like a rock. Here's hoping... will report back if it helps.
Click to expand...
Click to collapse
I rarely use wifi as well but this setting seemed to affect the phone in general, if your using wifi or not. I might just be crazy though. Either way I no longer have the issue so

does the google voice widget pull data in the background or is it a push thing?

I'm seeing high usage (60+%) by AndroidOS also (stock, unrooted, not using WiFi, not using 4G), although battery life has not been bad that I have noticed.
Watchdog Lite indicates that this is primarily due to two processes:
events/0
suspend

mjdoran said:
I had this exact issue and no longer do. Here is what I did and posted in another thread:
OK I hope someone finds this useful and/or can verify. I was one of those people getting awful battery life, meaning lucky to last 8 hours from 100% to 0%. The "Android OS" process would take hours of CPU time. Now it will take up maybe 30 min over the course of the day. Here is the only thing I did between the time it went from bad to good. I changed the wifi sleep policy. It is by default (for me at least) set to never. I changed it to "when the screen turns off" and left it there for about an hour. Then went in and changed it back to never. From the point of doing this my battery life has been great.
I know it sounds strange but it seems to have worked for me so I thought I would share.
Click to expand...
Click to collapse
I'm having the exact same issue. Stupid question here (I've already tried to find it and googled it too, but no success.
Where do you change the wifi policy? I don't see it under wifi settings

limeaid said:
Where do you change the wifi policy? I don't see it under wifi settings
Click to expand...
Click to collapse
Wifi Settings > Menu > Advanced

limeaid said:
I'm having the exact same issue. Stupid question here (I've already tried to find it and googled it too, but no success.
Where do you change the wifi policy? I don't see it under wifi settings
Click to expand...
Click to collapse
Settings >> Wireless and Networks >> Wi-Fi settings
Then press the menu button and then advanced.
Should then be the first option "Wi-Fi sleep policy".

Thanks. Like everyone else, I'm going to try this out and report back after a day or so

I'm trying to get into the 'INFO' section to view wake locks for battery usage clues. I've tried *#INFO*1111# (as mentioned here) and the old *#*#INFO*#*# to no avail. Anyone been able to get to the diagnostic screen from the dialer?

Are people with battery problems using widgetlocker?

JoeBruin32 said:
Are people with battery problems using widgetlocker?
Click to expand...
Click to collapse
Interesting. I installed it yesterday. Will try removing it if the wifi setting doesn't work...
Is anyone with the "Android OS" battery drain not using widgetlocker?

xak944 said:
Interesting. I installed it yesterday. Will try removing it if the wifi setting doesn't work...
Is anyone with the "Android OS" battery drain not using widgetlocker?
Click to expand...
Click to collapse
I am not and was not using it.

Horrible Battery Life

It would seem that after I installed the AT&T update to dumb down thr search on my phone, my battery life has been terrible. Yesterday it was down to about 30% after only 4 hours of light use with the processes "Android OS" and "Cell Standby" taking up the most battery. I can't even get through the day with this phone. Some help would be much appreciated.

After any update, give it a couple days to level out. Until then, just carry an extra charger and plug in when you can.

The update was installed at least a week ago.

In that case, backup everything and do a factory reset when you have a fully charged battery.

Alright I'll give it a shot. I needed to do that anyway as my clipboard no longer works and consistently crashes. :/

I did a factory reset a few weeks ago and that solved it for me.

Do you have any specific methods for backing up a phone that isn't rooted? I've got nova backed up, but I would like to make sure everything else is too.

FlyinHi said:
Alright I'll give it a shot. I needed to do that anyway as my clipboard no longer works and consistently crashes. :/
Click to expand...
Click to collapse
Are you receiving push email? that was the major drainer for me. apparently the android email app has a bug.
Regarding clipboard...delete everything in data/clipboard; force close the 'test service' app and then restart your phone

FlyinHi said:
Do you have any specific methods for backing up a phone that isn't rooted? I've got nova backed up, but I would like to make sure everything else is too.
Click to expand...
Click to collapse
The best method would be to use titanium backup but since your not rooted I don't know what options you have except to use the google backup but that ain't to good since its only app data.
Sent from my SAMSUNG-SGH-I747 using xda app-developers app

Hi all,
Since getting the phone from day one, I really never had a problem with the battery. Lately however, I've noticed a significant drain in battery over night. I tested the drain a few times over several nights, and even put my phone into "airplane" mode to help save battery.
Below are my results from going to sleep at 1:30am with 100% battery power and in airplane mode and waking up at 9:30am the next morning. I get a 12% decrease in battery over night for doing nothing over the course of 8 hours.
The only thing I've noticed differently is that Chrome is starting to use battery which is odd because I rarely use Chrome to begin with.
Any ideas to help this? What should I do?
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Death&co said:
Hi all,
Since getting the phone from day one, I really never had a problem with the battery. Lately however, I've noticed a significant drain in battery over night. I tested the drain a few times over several nights, and even put my phone into "airplane" mode to help save battery.
Below are my results from going to sleep at 1:30am with 100% battery power and in airplane mode and waking up at 9:30am the next morning. I get a 12% decrease in battery over night for doing nothing over the course of 8 hours.
The only thing I've noticed differently is that Chrome is starting to use battery which is odd because I rarely use Chrome to begin with.
Any ideas to help this? What should I do?
Click to expand...
Click to collapse
I had the same problem this morning chrome had like 26% and it showed no cpu use my phone was down from around 88% to 56% I know for a fact it was chrome so try un installing it.
Sent from my SAMSUNG-SGH-I747 using xda app-developers app

Yeah I've noticed a huge jump in Android System usage since I flashed the UCLG1 update.
Currently
18h 27min on current charge
screen on 1h 22min
Android system = 51%

DudeWatsThat, thanks I'm going to give it a try and see if uninstalling Chrome changes anything. It just boggles my mind that in airplane mode over night it would drain the battery 12%

nest75068 said:
Yeah I've noticed a huge jump in Android System usage since I flashed the UCLG1 update.
Currently
18h 27min on current charge
screen on 1h 22min
Android system = 51%
Click to expand...
Click to collapse
That
ain't normal for sure.
Death&co said:
DudeWatsThat, thanks I'm going to give it a try and see if uninstalling Chrome changes anything. It just boggles my mind that in airplane mode over night it would drain the battery 12%
Click to expand...
Click to collapse
Yea its definitely a rare bug since Chrome wasn't even displaying cpu usage.
Sent from my GSIII

i second that problem about Chrome. I think it is a bug regarding the builtin flash code. my battery was great until i installed Chrome then it got really bad. I uninstalled Chrome and my battery life jumped up big time. huge different. too bad i really like Chrome but no go right now

Not sure if it's the same issue, but I had some problems with battery life in Chrome until I disabled Tilt Scrolling under Developer Options in the Chrome menu.

my battery life is great even after the update

Better Battery Stats **Results** Anything stick out?

Hi all,
I'm wondering if someone with eyes better than mine could peep my post:
http://forum.xda-developers.com/showpost.php?p=34855908&postcount=4990
I'm getting horrible battery life on ktoonz kernel with mw86 settings.
I've got screenshots of better battery stats as well as ktoonz custom settings.
I've already adjusted my down threshold to 75.
Thanks,
RR

h20wakebum said:
Hi all,
I'm wondering if someone with eyes better than mine could peep my post:
http://forum.xda-developers.com/showpost.php?p=34855908&postcount=4990
I'm getting horrible battery life on ktoonz kernel with mw86 settings.
I've got screenshots of better battery stats as well as ktoonz custom settings.
I've already adjusted my down threshold to 75.
Thanks,
RR
Click to expand...
Click to collapse
Are you having battery drain problems? It appears your phone is awake more than it is in deep sleep. Have you tried the good ol' battery details screen in settings to see what your top usage is?

freeza said:
Are you having battery drain problems? It appears your phone is awake more than it is in deep sleep. Have you tried the good ol' battery details screen in settings to see what your top usage is?
Click to expand...
Click to collapse
I've attached the screenshots as requested.
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Oh... and this is only 1 hour of screen on time...
I guess my cell signal kinda BLOWS??? could this be the culprit?

Your signal search seems to suck, may be one issue. Another thing to try is go to system/bin and delete at add .bak to qosmgr and gsiff_daemon. They tend to try and run scripts for your CPU that don't apply. Next, do a Google search for kill media server apk. When you run it, it kills the media server that tends to eat a lot of battery. Disable sync on Google magazine/book/movies also. Last, buy gsm battery monitor from the play store and also battery battery stats. They will identify what's eating or power supply. Almost always on power up you can see the download/media app runs like crazy and if you don't force stop will just continue to drain and run.
You may also want to check into different governor settings to see if it will help. I also found it helpful to turn off Facebook sync unless i use the app....do the same for others u don't use like Google talk, maps, etc.
,
Sent from my SPH-L710 using xda app-developers app

h20wakebum said:
I've attached the screenshots as requested.
View attachment 1525777
View attachment 1525778
Oh... and this is only 1 hour of screen on time...
I guess my cell signal kinda BLOWS??? could this be the culprit?
Click to expand...
Click to collapse
You seem to have a wakelock issue. Did you turn off google now and disable report location in Maps?
Also, if your signal is the problem, you can test that by either 1) disabling the cellular radio (airplane mode + wifi on), or 2) by forcing roaming on another network with a better signal (roam control, internal roaming settings of the rom, using a different prl etc.)

Couple things to help for sure.... GTalk is auto sign in.. So make sure it's signed out, Sync settings, Extend duration between them! (Emails to few hours instead of push (Obviously it'll sync when you open the app), Try running Juice defender, It'll disable data if screen off. (SMS comes through) Brightness, turn it down some, I'm running the Ktoonservative with the kernel.. Netting atleast 2 hours screen on, 11+ hours battery and still sitting about 60% remaining (most days) Those are the settings i'm using and things i'm doing. (I play games off and on, Text, read forums, news, facebook) also, ensure Media isn't running. (Not media server) it's known to eat some battery randomly. Just a few things off the top of my head to help.

one cardinal no no is leaving the wifi on.
Sent from my Transformer Pad TF300T using Tapatalk 2

freecharlesmanson said:
one cardinal no no is leaving the wifi on.
Sent from my Transformer Pad TF300T using Tapatalk 2
Click to expand...
Click to collapse
???
???

It will greatly increase your wake locks if not inhibit sleep all together
Sent from my SPH-L710 using Tapatalk 2

Go to Maps>Settings>Location settings> Uncheck everything !!

freecharlesmanson said:
It will greatly increase your wake locks if not inhibit sleep all together
Sent from my SPH-L710 using Tapatalk 2
Click to expand...
Click to collapse
Wifi or cellular, it doesn't matter as far as wakelocks are concerned.
Cellular data consumes more battery than wifi data.
Unless you disable data all together, using wifi is more efficient way to run your phone.

nabbed said:
Wifi or cellular, it doesn't matter as far as wakelocks are concerned.
Cellular data consumes more battery than wifi data.
Unless you disable data all together, using wifi is more efficient way to run your phone.
Click to expand...
Click to collapse
On you are not grasping my simple statement I never said WiFi want more efficient but it would be foolish to pretend it doesn't wake lock and kernel alarm it up. For one wpa pretty much requires it to communicate every so often. Other reason.... couldn't tell you why precisely but of you look then you will notice it does in fact create huge wake periods
Sent from my SPH-L710 using Tapatalk 2

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I would suggest killing your mobile data, or for a more extreme test running in airplane mode with wifi on.
I personally get 20-30 hours at home browsing the web / texting / googling / etc over the weekend, maybe 18-20 when im out and about. But at work i get MAYBE 6 hours, with under 30 minutes scrren on and usually less and an hour awake. Why the huge difference? Mobile signal strength at home i keep mobile data off, and wifi on, and have ~ -75dbm signal strength. At work i have no wifi and ~ -110dbm and my phone is constantly trying to get a better signal.
Looking at your original post, what is "audioOut_2" and " PowerManagerService"

Question, is media server something that can be frozen in Titanium Backup?
Sent from my SPH-L710 using Tapatalk 2

MikeWjF said:
Question, is media server something that can be frozen in Titanium Backup?
Sent from my SPH-L710 using Tapatalk 2
Click to expand...
Click to collapse
no, just force stop it a few minutes after you boot.
Sent from my SPH-L710 using Tapatalk 2

I think my battery is faulty. Need opinions.

Hello guys, before I send my unit back which is really annoying I would love to have some feedback.
So here we are.
First of all since I got my unit I has never been able to charge it through the usb port of a laptop, too slow, maybe 5% in one hour.
The second problem is that the battery drain very fast even if I'm not using it.
Now before posting this report I've disabled almost everything ( BlinkFeed, location service etc..) but as you will see now I've only used my phone for about 2:30 hours in 15 hours without doing nothing of special, I mean, checked Google plus, surfed the web, some post on xda and all this with no phone calls and always under WiFi.
Hope someone will give me some feedback.
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your battery drain seems normal honestly, its a big screen so it'll suck up battery. Also make sure you use the htc cable, it should charge better than a generic usb

velenox said:
Hello guys, before I send my unit back which is really annoying I would love to have some feedback.
So here we are.
First of all since I got my unit I has never been able to charge it through the usb port of a laptop, too slow, maybe 5% in one hour.
The second problem is that the battery drain very fast even if I'm not using it.
Now before posting this report I've disabled almost everything ( BlinkFeed, location service etc..) but as you will see now I've only used my phone for about 2:30 hours in 15 hours without doing nothing of special, I mean, checked Google plus, surfed the web, some post on xda and all this with no phone calls and always under WiFi.
Hope someone will give me some feedback.
Click to expand...
Click to collapse
Battery is in good state! No need replace! It just your screen and bloatware which are consuming battery! Use lux auto brightness instead of stock auto brightness and use custom rom like paranoid or cyanogen in which bloatware are already removed!
Hit thanks if i helped you out! ?
Sent from my C5302 using Tapatalk

Thanks all guys!
I got in touch with HTC and they asked me to perform a battery test, well, after one hour at full display brightness the battery only consumed 10%.
And yes...since the phone is branded by Vodafone there is some bloatware.
I will removing some stuff and working on the screen brightness

I have the best battery performance of any phone I owned on the M8.
Try Wakelock Detector. I suspect you'll find that Google+ is one of the main culprits constantly waking your phone from deep sleep.

berndblb said:
I have the best battery performance of any phone I owned on the M8.
Try Wakelock Detector. I suspect you'll find that Google+ is one of the main culprits constantly waking your phone from deep sleep.
Click to expand...
Click to collapse
In fact, did you see how many awake? The problem is that would not root the phone right now, and if I'm not mistaken wakelock detector requires root access.

While today I've had better battery life, I think I have some problem with wakelocks
Here some stats
Should I investigate further?

I would. Your phone was awake for around three hours whilst the screen was off. Check wakelocks with betterbatterystats.

My M8 averages 48-72 hours between each charge, but although I have both 4G data and location services enabled, Wifi is switched off and I rarely watch movies on the handset.
For me, the M8 has extraordinary battery life.
I have found that Battery Doctor is very effective at fully charging - and keeping a record of full charge cycles.

westeight said:
My M8 averages 48-72 hours between each charge, but although I have both 4G data and location services enabled, Wifi is switched off and I rarely watch movies on the handset.
For me, the M8 has extraordinary battery life.
I have found that Battery Doctor is very effective at fully charging - and keeping a record of full charge cycles.
Click to expand...
Click to collapse
I've found that mine unit consume more while is under WiFi.
I don't watch movies.
My usage is :
45 minutes phone call everyday
Gplus
Internet browsing
Some text messaging with telegram
That's all.

pkoper said:
I would. Your phone was awake for around three hours whilst the screen was off. Check wakelocks with betterbatterystats.
Click to expand...
Click to collapse
Sadly I don't have root, but I'm using Wakelock detector which with a workaround I can track which app is causing problems.
I've saw two process here the screenshot.
Here the full list (almost)
I've searched the two first process here on xda but I haven't found a fix.

Hello, i bought the phone 2 months ago and its origin is poland (T-Mobile) and i am experiencing the same issue as yours!! A lot of waklocks and cant seem to find the source!! can you help solve this issue? and how did you succeed to install the wakelock detector on the phone if it was not rooted (mine isnt also)!! thank you

Mondea said:
Hello, i bought the phone 2 months ago and its origin is poland (T-Mobile) and i am experiencing the same issue as yours!! A lot of waklocks and cant seem to find the source!! can you help solve this issue? and how did you succeed to install the wakelock detector on the phone if it was not rooted (mine isnt also)!! thank you
Click to expand...
Click to collapse
Indeed is not funny.
For installing Wakelock Detector without root follow this instructions:
https://docs.google.com/presentation/d/1r3VlhZIZVSufZlAeICJet6QBtyAF7z06_ysl1kUKME4/edit#slide=id.p
It's easy.
Now the problem is understand what cause all these wakelocks

velenox said:
Indeed is not funny.
For installing Wakelock Detector without root follow this instructions:
https://docs.google.com/presentation/d/1r3VlhZIZVSufZlAeICJet6QBtyAF7z06_ysl1kUKME4/edit#slide=id.p
It's easy.
Now the problem is understand what cause all these wakelocks
Click to expand...
Click to collapse
Hey! Thank you for your fast reply!! i think i am still a noob for these stuff and i am stuck at step 5 knowing that i have a mac!! so can u help me do that please ? thank you in advance

Mondea said:
Hey! Thank you for your fast reply!! i think i am still a noob for these stuff and i am stuck at step 5 knowing that i have a mac!! so can u help me do that please ? thank you in advance
Click to expand...
Click to collapse
I think there are other tutorial on xda anyway.
open a terminal and run this code:
Code:
curl -O https://raw.githubusercontent.com/corbindavenport/nexus-tools/master/install.sh
than run:
Code:
sh install.sh
When you will will prompted for the password of your mac type it.
Just one thing.
After you have run adb devices and adb ticpip 5555 from your mac just unplug the phone and go ahead with the instruction.
Hope this helps.

Today I got a better battery life.
I will post what I did so can be useful to whom will face the same problems.
First I've set the brightness to the lowest level and I've activated the automatic mode.
Deactivated position service, turned off nfc.
I'm sure I can still fine tuning the battery, but for now I'm happy for the result.
Too much wakelock for service that ask for position (meteo widget, Google play service) but for now I got good results.
Here some screenshots:

Thank you @velenox i will give it a try!! and i will try your advices also!! Hope to find whats keeping our devices like this with lots of wakelocks!! Maybe these are bloatware because my device is from T-mobile Poland but unlocked and unbranded!! ??

Mondea said:
Thank you @velenox i will give it a try!! and i will try your advices also!! Hope to find whats keeping our devices like this with lots of wakelocks!! Maybe these are bloatware because my device is from T-mobile Poland but unlocked and unbranded!! ??
Click to expand...
Click to collapse
Don't know... But give it a try [emoji6]