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07-20-2014 12:38 AM
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  1. SwimSwim's Avatar
    Gmail does seem to perhaps be the issue. Still investigating, but this is a promising lead. Thanks for the tips guys!

    Still not where it was, but at least my phone's battery is normalizing.
    04-17-2014 08:00 PM
  2. sban85's Avatar
    so from 7PM EST to 935PM EST ... I am down to 79%, moderate text mssging and one note use
    04-17-2014 08:36 PM
  3. rdubmu's Avatar
    My YAHOO! Mail doesnt have the "as item arrives" option anymore, wich is a pain cause i need that account to show me mails as soon as it arrives.
    Now I must choose between "based on usage" / "15 minutes" / "30 minutes" / "1 hour" / "2 hours" / "manually".
    Can someone help me?

    Note: Hotmail DOES have the "as item arrives" option. still.
    You will only have an as items arrive on yahoo if you subscribe to yahoo mail plus

    Sent from my LG-D801 using Tapatalk
    04-17-2014 08:40 PM
  4. Svetoslav Enkov's Avatar
    Finally I just turned off BATTERY SAVER and guess what, everything is working again. Even my notifications started working (coincidence or not). This may not help everyone but it worked for me on my Verizon Nokia Lumia Icon.
    What do you mean with turning off Battery Saver? Turn off running the Battery Saver app in the background or in the Battery Saver settings turning of the Battery Saver mode when the battery is under 20%? What exactly you do?
    04-18-2014 04:11 AM
  5. Blade800's Avatar
    I have the same problem. I charged the battery last night. The phone was in standby mode by night, in the morning i was using messenger for like 10 minutes and the battery was down to 80%. Usually by night, the battery would go down with 3% max. I tried to change that gmail stuff. Any more tips ? This is terrible.
    04-18-2014 04:44 AM
  6. Vindies37's Avatar
    my battery last quite ok (I can use it for like 17hrs with internet, wi-fi calls via viber and skype) ... but this is just irritating

    wp_ss_20140418_0001.png
    04-18-2014 04:51 AM
  7. CharlieBoy1894's Avatar
    I think the battery saver is exaggerated. I used Internet Explorer and WPCentral app for like 3 minutes and it shows that those apps are eating a lot of battery. Maybe in the cyan update it will be accurate since it's like in the beta phase right now.
    04-18-2014 06:11 AM
  8. Blade800's Avatar
    I think the battery saver is exaggerated. I used Internet Explorer and WPCentral app for like 3 minutes and it shows that those apps are eating a lot of battery. Maybe in the cyan update it will be accurate since it's like in the beta phase right now.
    No its not the beta phase. This is the final build. Cyan is just a firmware which will allow support for bluetooth and usb connections etc. and few minor tweeks and fixes.

    If this is beta it would be released much much earlier.
    04-18-2014 06:21 AM
  9. anon8773316's Avatar
    Update 2:

    My finally reached the energy saving mode. Well it looks like it worked for me. I reached 22 hours with one charge. I turned my phone off over night, so it was about 14 hours active.

    My settings are:
    Lumia 925

    Background apps:
    Whatsapp
    Energy saving
    WP Central
    Facebook
    Internet Explorer
    Bing Weather
    Bing News
    Calendar

    Two mail accounts(one of them is outlook) are set to "as items arrive".

    Again, this was what I changed to reach a better battery life:
    "SETTINGS" -> "sync my settings" -> "Theme" and "Passwords" disabled.

    I hope this will work for you as well!

    Good luck and have a nice day :)

    wp_ss_20140418_0002.jpg
    uopjo6 likes this.
    04-18-2014 07:57 AM
  10. realwarder's Avatar
    Hi guys,
    edit: ok. realised the problem was with a battery app i was using. the app was "battery" or something like that. Thanks to Talderon for showing that awesome app that I had to download it, thus solving my problem. :D
    So was the problem not email but was the "Battery" app? What awesome app are you referencing?
    04-18-2014 08:25 AM
  11. realwarder's Avatar
    We have a TON if talks going on about this, but it REALLY is a hard one to diagnose. We have an internal app that we use for logging and data collection off the devices we test, but it's not available outside the company. HOWEVER, I am working on an app that will do similar collections and hope to get it out soon. Please note though, I am not a Dev by trade, so it'll take some time, but I have help. :D
    That is good hear. I appreciate given the size of the Windows code base it is tricky to track down but this is one of those 'critical' issues that impacts many users. I really hope Microsoft pulls together the right team to get to the bottom of this quickly.
    04-18-2014 08:28 AM
  12. drufranco's Avatar
    What do you mean with turning off Battery Saver? Turn off running the Battery Saver app in the background or in the Battery Saver settings turning of the Battery Saver mode when the battery is under 20%? What exactly you do?
    I did both of those options and everything is working fine but as I noted later in this thread it could also be the fact that it has been a day or so and everything may have just settled as stated by Windows Support Team.

    The first day after updating your device you can expect some battery consumption due to the reinstallation of all applications and normal restoration that may occur post update..
    04-18-2014 09:33 AM
  13. asfand247's Avatar
    I turned the Location Services off and everything else is also off!
    Strange that I still get the Location sign in the bar!!
    Attached Thumbnails 10270202_691452254248728_1944083891_n.jpg  
    Last edited by asfand247; 04-18-2014 at 10:30 AM. Reason: adding the screenshot from phone
    04-18-2014 10:28 AM
  14. anon(8050146)'s Avatar
    I turned off 'Advertising id ' and I'm on 19% with roughly 13 hours of decent use. Maybe its a placebo, or something else but the first two days I was lucky to get around 8 hours of usage. People were shocked to see me hunting for an outlet for the first time during class.

    I made some changes as some of you suggested here as well and disabled Sync Contacts on my GMail account. I remember that causing some issues back in the earlier days of 8.0 with battery drain.

    I'll let it drain down to 5-10% and fully charge it overnight and see what tomorrow brings. HTC 8X.
    It is placebo, sorry. The advertising id it's just a unique identifier for advertising tracking from Microsoft so you can see relevant ads to you just like Google does. It does not affect your battery life at all.
    04-18-2014 10:53 AM
  15. zany1's Avatar
    high battery drain after updating to WP 8.1 is not an isolated problem its all over the fourums

    im pretty sure this is the problem with geofencing.

    geofencing is a new feature in windows phone 8.1 the phone keeps on checking your location continuously even though the app doesn't require it example IE , whats app etc pretty much any app. this is just like using nokia drive for 4 hours and your battery dies. constant use of gps reduces battery life and heats up the phone for no reason.

    when ever this feature is accessed the phone does this in the background( the location icon on the top bar is not displayed how i know this is because it says so in settings-location )

    How do i know its the problem with geofencing

    heres a little experiment you guys can try out ( please don't mock this post if you haven't tried this out)

    turn off location and use your phone normally for a day and you'll notice the battery performance is like pre update. and phone doesnt heat too.
    titoyees likes this.
    04-18-2014 10:57 AM
  16. dgg4's Avatar
    I had high battery drain and phone getting hot right after installing the 8.1 developer preview. I turned off GPS - which also turns off Cortana - and the issue went away.

    I'm often in locations where there's little or no GPS service - my office building. That's how I figured out what was causing the batt drain/over-heating -- because it only happened when I was in those areas - and it was so severe.

    My phone would be so hot it could burn your hand and the battery would fully discharge in an hour. In other locations with better GPS service - no real issue. Slightly higher battery drain than before 8.1, but not enough to bother me.

    I'd like to use Cortana, but it needs to become a lot smarter about what to do when GPS signals are intermittent or fully blocked by surrounding structures.

    --------------------

    Post Edit: After reading this thread I realized I should point out I had Gmail installed when I was having these problems. I've uninstalled Gmail. I'll see if that allows the system to work better - both GPS on and GPS off.

    More to come...

    --------------------

    PPS: It's definitely something to do with GPS. Went to the part of my building where GPS is spotty and often non-existent. Battery usage spiked to nearly -40%/hr (as reported by Battery Sense) and phone got way hot in less than 5 min. This was with Cortana/GPS on, but no Gmail installed. With Cortana/GPS off, this doesn't happen.

    I'm still experimenting with the combination of Cortana/GPS and "sync my settings". More on that later...but for now, I believe the battery drain/overheating issue is GPS driven.

    --------------------

    PPPS: So turning off GPS (which turns off Cortana), removing Gmail, and turning off "sync my settings", but leaving backup, auto photo upload on, and 3 Exchange email accounts that get sync'ed every 15 min., my battery drain while not using the phone is down to less than 1% per hour....possibly even less. Wow! Streaming HQ music thru Beats Music, batt drain is about 5%/hr...which is not bad...certainly no worse than pre-WP8.1, possibly a tad better.

    So that says - except for those services just listed - WP8.1 is really very efficient.

    But something is wrong with the way Gmail, "sync my settings", and GPS/Cortana are implemented.
    Last edited by dgg4; 04-19-2014 at 11:25 AM.
    04-18-2014 12:23 PM
  17. sgraphics's Avatar
    battgraph1.jpg

    Graph shows the crazy drain after 8.1. Green line after disabling "Theme sync". Btw, I think I used the phone more today - opened HERE maps a few times and listened for audiobook for few hours.

    All things considered, it seems better without Theme sync (1 hour more until Battery saver kicks in at 20%), but still very bad.

    Tomorrow will test with Gmail sync set to "once every 30 mins". On Sunday will test with "Battery saver" turned off. Any more tests? Btw I have noticed the "location service" icon ON very often (when just unlocking phone)... so I'm guessing location service does a lot more than it used to in 8.0.

    Few more things: Cortana is not at fault, because my phone does not have it (European HTC 8X). Also battery drain is not the problem with "installing apps after update" as the same problem still persists after a week.
    04-18-2014 02:46 PM
  18. SwimSwim's Avatar
    Ok, I now strongly believe that the changes to how WP8.1 syncs with Gmail is a bit culprit in why battery life is so poor. I changed Gmail to only sync manually, and while my battery still isn't as good as it was on WP8, it's still improved significantly. Back up from 12 hours of battery to 18 hours of battery. Still trying to change things to get back to my usual 22hours, but I can live (somewhat begrudgingly) with 18.
    04-18-2014 03:29 PM
  19. tany3450's Avatar
    I've made the gmail sycn 2 hours and will test it tomorrow. Lets hope this is the solution because I can't even complete a day with this battery performance

    EDIT : yeah, it worked. Its quite good now also with Location turned off.
    Last edited by tany3450; 04-19-2014 at 11:25 AM.
    04-18-2014 04:21 PM
  20. DavidinCT's Avatar
    Thanks for this thread... Verizon Nokia ICON here...

    Yesterday, I did a hard reset, wiped back to factory, restored backup (for apps and accounts), let all the apps come down over battery and Wi-Fi. I let the battery die till I could not turn it on AT ALL. Then I did a full charge (newer phone, 2nd time full charge).

    Following the Ideas in this thread...
    -I have disabled Wi-Fi and Wi-Fi Sense
    -Bluetooth off
    -NFC off
    -Disabled Battery Saver
    -Disabled everything in "Sync my settings"
    -Set Hotmail to sync every 30 min (from As I use my device)
    - leave Exchange as is (as things arrive).
    - Set IE not to send information back to Microsoft on usage

    Every app is disabled from background accept for Twitter, Facebook and Weave.

    It is a little better but, It still seems like there is a drain. If I sit there and use it, I will check it when I start using it (nothing heavy, text or emails or checking settings), then when I am done (maybe 1-2 min tops) the battery goes down 3-5% or so. This should not happen with the minor use like that.

    Any other ideas to try ? (disabling exchange cant do and wont disable Cortana or location, as what would be the point of having 8.1 ?)

    Edit: Last night, played Real Racing 2 for about a 1/2 hour, talked on the phone for 2 hours and 47min, besides everything else during the day, when I was went to bed at 2am, there was still 18% on the battery. It seem better but, Just using the phone for 2-3 min (check text/email quick), I pretty much watched the battery go down 5-7% and playing a game ? In about 5-7min, I watched the battery drop by about 10%....

    No question drain but, dam with all these disabled, I was able to use the phone for the entire day and still had a little to spare at the end of the day. It didn't fix it but, it sure helped.

    No its not the beta phase. This is the final build. Cyan is just a firmware which will allow support for bluetooth and usb connections etc. and few minor tweeks and fixes.

    If this is beta it would be released much much earlier.
    Not sure this is the final build, even though it was claimed RTM, I think they will pull it back to resolve these issues. If they sell a 8.1 device that gets bad battery life and buggy apps (Cortana and other "bugs"), Windows Phone will fail. It would not be a good idea.

    It is placebo, sorry. The advertising id it's just a unique identifier for advertising tracking from Microsoft so you can see relevant ads to you just like Google does. It does not affect your battery life at all.
    He has a point, if you open a app, it will search for GPS, if it's opening a new Location setting, it could have an effect on battery. At least one would think ? THoughts ?
    Last edited by DavidinCT; 04-19-2014 at 11:33 AM.
    04-18-2014 05:01 PM
  21. prem_choudhary48's Avatar
    I am very disappointed about bettery performance after preivew....earliar bettery consumption of whle night on bettery saver was 2% but now it gone 20%...., irritating...,,as well taking more time to chrge even.....
    04-18-2014 09:15 PM
  22. sgraphics's Avatar
    battgraph2.jpg

    Ok, I can confirm Google sync "as they arrive" seems to be a battery hog.

    Today, I think I used the phone the most, yet got the longest run-time with Google sync (calendar + email + contacts) set to 30 mins. Still, 12,5 hours to reach 20% is a long way off previous, wp8.0 time, when I averaged around 40% remaining late at night. Unfortunately don't have any graphs for that.

    Gonna try turning battery saver off tomorrow, although I dont think it will change too much.

    Overall it seems there are two culprits: Google sync is broken and background scheduling is unoptimized. What I mean by the latter is that it seems that instead scheduling actions for the same time, I think a lot of services schedule their own actions and access network and location randomly. So instead of doing 1 big computation seldomly, lot of smaller ones are done all the time. This results in a major battery draw (because antennas and sensors need to be turned on and off all the time and are not used 100%), especially on an older, unoptimized chipset as I have, HTC 8X.

    It looks to me as if a lot of new features were added but too little time or attention was attributed integrating all this functionality to work together. I suggest the WP team to focus on this more.
    SwimSwim likes this.
    04-19-2014 02:20 PM
  23. asfand247's Avatar
    After all methods I have restored back to Windows Phone 8.0 using Nokia's Software Recovery Tool. Seems like you can downgrade while its a developer preview! Cheers!
    04-19-2014 02:39 PM
  24. hardlyworkinggg's Avatar
    I suspect the camera drivers could be at fault too. My phone was really hot and discharging quickly this morning and I couldn't figure out what was the cause. However, my camera app kept launching by itself without me pressing any buttons. Could it be that the camera is on in the background just that its not displaying anything? I read if some who can't even start their camera apps.
    04-19-2014 06:48 PM
  25. Anojan Sivam's Avatar
    I've done all of the tips !!!!!!!!
    But if I use any app the battery is draining quickly !!!!!!!!!
    What to do ????
    04-20-2014 12:54 AM
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