01-03-2013 06:31 PM
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  1. deuxani's Avatar
    I have two apps on my phone that have caused a drain: GMaps and Whatsapp. I really need both as I can't live without Google Maps and Whatsapp is the number one mobile communication method in my country. After many tests I found out that disabling the compass in GMaps stopped the drain caused by it and that using Stop The Music after exiting Whatsapp stopped that drain.

    I don't know what the compass has to do with GMaps draining the battery when I have the background task disabled in settings and the live tile and latitude disabled in the app, but it works for me. I just noticed that GMaps would always say that I have to recalibrate my compass when I started the app, so maybe it starts a process waiting for the compass to be recalibrated, I really don't know. With Whatsapp the drain is much clearer. They stream a sound via the music API so that WIFI doesn't turn itself off when you put the phone in standby, so it's logical that it drains the battery. Stop The Music kills the stream and therefore the drain will stop.

    But like said before, it almost looks like everyone has a battery drain with a different app, so it's definitely an OS problem which Microsoft needs to fix asap.
    Rajesh Rajendran likes this.
    12-30-2012 07:38 AM
  2. ttsoldier's Avatar
    Since I've gotten my lumia 920 and experiencing heat/crazy battery drain I said to my self that it has to be a bug. A process is stuck that is jamming the CPU and causing the battery to drain.

    Part of me wants to send back my lumia and get a replacement. The other part of me wants to keep it and wait for a software/firmware update. I'm torn right now and don't know what to do. I have about 24hrs to make a decision :(

    I get no other issues with my phone. Would hate to get a replacement and suffer from other problems like the proximity sensor/vibrate rattle/dust under FFC/poor build design etc.

    SIGH.

    If Microsoft/nokia would say something. At least that an update is coming soon. I would wait :(
    12-30-2012 08:02 AM
  3. 920Walker's Avatar
    I think that you are the closest to an answer.
    I also started using an app and the phone started getting warm and drawing the battery. The first time that this occurred I exited the app, however it kept draining and killed the phone quickly.
    When it occurred on a different day, I restarted the phone, and it cooled off.
    I firmly believe that some api/process gets stuck using 100% of the processing power.

    Has any other of the wp8 exhibited this problem? If no, then it is nokia's to fix. If it is occurring on other models, it is Microsoft.
    I have had this problem recently with the Mmm Beer app with API for Untappd, even if not running in the background. I charge to 100% by 12am and my phone usually has 98% charge when I wake up. It was dead the 4 days each morning this app was installed.
    12-30-2012 08:19 AM
  4. generalsu's Avatar
    The auto date correction works for me ... the date only gets reset for a couple of minutes and then the auto date correction kicks in and the date is set back to normal..
    Have performed the soft reset twice till now.. Auto Date correction worked both times
    Okay, it got the time right, but the date wrong!
    12-30-2012 09:39 AM
  5. duncan0622's Avatar
    Mate, I maybe a stupid man and ask a silly question. How to turn off the compress in GMaps and kill music API in Whatapps? I don't see those settings respectively
    12-30-2012 10:44 AM
  6. gaaaaaaaaabriel's Avatar
    my battery dies in 8 hours with light usage. and that is - deliberately conserving battery life because i know its gonna run out. gonna send it to nokia once i get back to australia
    12-30-2012 10:56 AM
  7. thekonger's Avatar
    I have excellent battery performance (2 days on a single charge with light usage), however, I have found if I accidentally leave certain apps running it can kill my battery. Dungeon Stalker for one killed my battery in less than 2 hours (not that it's a bad game, I love it and have the paid version). I don't have it enabled for background but regardless it kills my battery.
    12-30-2012 11:09 AM
  8. Rajesh Rajendran's Avatar
    i totally agree on that. i dont use GMaps but i use whatsapp. i can feel the phone gets hot like within 5 mins of whatsapping. use the camera for more than 3 mins you can start feeling the heat. using twitter and opening random links from the twitter posts also makes the phone hot. playing a pretty basic game like wordament also heats up the phone and drains the battery.

    Did anyone tried to use the phone setting the "higher connection speed to 3G" under the Settings-->Mobile network? if so.. what noticeable changes you found on the overheating issues? May be i will try using the phone under 3G settings for a day and see what i can find.

    As of now to me these are the serious OS issues that microsoft needs to address asap to make customers not regret their decision to get an windows phone.

    #switched from iphone to Lumia920 yellow
    12-30-2012 11:26 AM
  9. mav4life's Avatar
    I've noticed significant drains when using AlphaJax. Anyone else experience this as well?
    12-30-2012 11:37 AM
  10. deuxani's Avatar
    Mate, I maybe a stupid man and ask a silly question. How to turn off the compress in GMaps and kill music API in Whatapps? I don't see those settings respectively
    The compass in Gmaps is the icon you see on the right side (I don't see it anymore, it now only shows like three white things on top of each other). And Stop The Music is an app you have to download from the store: Stop the Music! | Windows Phone Apps & games Store (Nederland) Just download the trail, it's fully functional. Pin the Stop The Music button from within the app to your start screen (that will stop the music immediately without entering the app itself)
    12-30-2012 11:49 AM
  11. ttsoldier's Avatar
    Not sure if my battery life has been "fixed"

    I've had it idle for an hour and it's still at 100%. I had the network on 2g, bt off, nfc off, wireless off, no backround tasks except extras and info and screen brightness was set to low.

    Have a look at my sky drive folder with a couple shots.

    https://skydrive.live.com/redir?resi...PonigLF485BCvY

    Now the first one shows the 100% after an hour. If you look at the other three.. Look at the time stamps in the top right hand corner. And look at how the battery is draining. This is also being idle. In addition, it is in airplane mode, so cellular data is switched off.


    Edit. Before I posted this up, I put on my wifi and checked 2 facebook notifications. Battery dropped to 99%

    The time in the 100% shot is 1:57. It's 2:13 now and i'm down to 98%. This was witth the phone being idle, but wifi was on. I just switched off wifi and will continue to monitor.

    Man. This is annoying..
    12-30-2012 12:12 PM
  12. bt66's Avatar
    not sure bout other people...but I have noticed that if I open an app that either needs to use the GPS or games, is when I get the big battery drain. If I use the phone normal email, web browsing, etc. I get excellent battery life.

    My suspicion is that even though the app looks closed visually something in it doesn't close properly and continues to run in the background till the memory that it is in has been cleared.

    To test this I used crimson dragon for a short period of time (GPS used in game), closed it the phone stays warm long after I closed the application...did a restart and phone goes back to normal temp. So something is still running in the background.

    End result we need a task manager or a way to force programs closed.
    I agree. I noticed something very similar & was wondering why my phone is so warm even after exiting an app. One day I noticed my battery drop 40% after using Geekbyte app. Very odd. But I think the GPS issue is a big one. SO now, I try to reboot my phone when i notice it stays warm after exiting an app after 2 or 3 minutes,. I have noticed the drop also just browsing for 5 minutes or so. It also gets fairly warm just browsing. OS seems to be fairly buggy still.
    12-30-2012 12:23 PM
  13. ttsoldier's Avatar
    Not sure if my battery life has been "fixed"

    I've had it idle for an hour and it's still at 100%. I had the network on 2g, bt off, nfc off, wireless off, no backround tasks except extras and info and screen brightness was set to low.

    Have a look at my sky drive folder with a couple shots.

    https://skydrive.live.com/redir?resi...PonigLF485BCvY

    Now the first one shows the 100% after an hour. If you look at the other three.. Look at the time stamps in the top right hand corner. And look at how the battery is draining. This is also being idle. In addition, it is in airplane mode, so cellular data is switched off.


    Edit. Before I posted this up, I put on my wifi and checked 2 facebook notifications. Battery dropped to 99%

    The time in the 100% shot is 1:57. It's 2:13 now and i'm down to 98%. This was witth the phone being idle, but wifi was on. I just switched off wifi and will continue to monitor.

    Man. This is annoying..
    Yes. Im quoting my self. My battery is now at 96%!!!

    Did a soft reset and now it's at 91%!
    Ugh.
    12-30-2012 12:28 PM
  14. deuxani's Avatar
    That's really crazy. I charged my phone 2 hours before going to bed last night, I didn't use the phone from then till I woke up (it was connected with 2G and WIFI, but nobody called or Whatsapped me and I didn't browse the internet) and when I woke up it was still at 100%... 12 hours later!! I've had this happen before and in the end I didn't get more than 2 days of usage. The battery saver information is just nuts and you can't trust it a bit.
    12-30-2012 12:29 PM
  15. bt66's Avatar
    Totally agree. That's what I have been doing. I think it's an OS issue. there are some apps causing it...but in general, it's the way the OS is handling the opening & closing of apps I think. On my 900 overall the battery was an issue, but I never had to rest the phone or had any freeze issues. WIth WP8 it's very different or the 920 manufacturing is an issue.
    12-30-2012 01:06 PM
  16. ttsoldier's Avatar
    So should I return my phone or wait for an OS/Firmware update?
    12-30-2012 01:12 PM
  17. Cormango's Avatar
    I was getting amazing battery life before the update. I think it could be gMaps causing my battery drain. I opened gMaps 4 hours ago and my phone has drained to 56% with very little usage. Rebooted my phone 30 minutes ago and the percentage hasn't moved. I use gMaps for Google Latitude, just to see where my friends are. Hopefully a real Google Latitude client will be coming soon.
    12-30-2012 01:17 PM
  18. generalsu's Avatar
    So here's something I was surprised by. Shut down my phone for 30 minutes with 43% battery juice left. When I turned it on, it increased to 53%! Going to settings -> battery reveals the screenshot below:

    wpbattery.jpg

    I've just unplugged the charger 35 minutes ago and yet it is saying otherwise. This is a huge WP8 bug.
    12-30-2012 01:57 PM
  19. dkp23's Avatar
    I purposely charged my phone 100% and let it sit all night while i slept.

    After 6 hours, it was 75% without no use at all. After checking people hub some and went back to sleep, after 2 hours, it was 53%. Im in afternoon and have to recharge again.

    I saw something about alpha jax, i had a 920 phone that had no battery drain and I had alphajax installed and running 2 games at the same time with notifications, so i'd say it is not alphajax.
    12-30-2012 02:42 PM
  20. B T C's Avatar
    My battery has gone from 100% to 11% in 5 hours. I've been online a lot, taken a few pics and I'm in an LTE area. My battery life has been pretty bad for about a week. I installed Portico a couple days ago.
    12-30-2012 03:33 PM
  21. jjMustang's Avatar
    I haven't read through all of the posts yet, but I wanted to share what happened with my phone.

    I think you're on to something with it being the GPS. I changed WeatherFlow from using Location to using a specific city, and MyBattery app is showing 2 Days, 2 hours, 36 minutes of runtime left at 82%. Since I made the change approximately 5 hours ago, I have only lost 4% battery. Previously, I would lose 10% an hour, and considering I had WeatherFlow set to update hourly, it would make sense why I had such a battery drain. Friday between 9:30 and 4:30, I went from 100% charge to critical (5%), and that time includes when the battery saver kicked in from 20% to 5%.

    Thanks for the heads up on the GPS.
    12-30-2012 05:44 PM
  22. mwdavis84's Avatar
    My battery life has been really bad the past few days, and I haven't been doing anything different, which I find a bit off. The other night, I forgot to put it on the charger, but it was at 70% - should last through the night without any issue. It didn't, it burned down fast and died. Since then I've seen pretty crazy burn rates...no good. Making me yearn for the 8x...

    wp_ss_20121230_0001.jpg
    12-30-2012 05:45 PM
  23. ttsoldier's Avatar
    Seeing all these other bad battery posts makes me wanna keep my phone and wait for another update rather than returning it.
    What do we do guys?!
    12-30-2012 05:49 PM
  24. TroySchuster's Avatar
    Im having similar issues since portico update.. It might not be portico maybe some app sucking the battery, but 10% drain in 40min (only used to check time maybe 3 times in the 40min interval). Its really annoying. Have you found any solutions yet? any culprit $hitty program?? On backgroud tasks I have Accuweather, GasBuddy, Groupon, Nokia Drive+ active and Chase mobile, Metrotube, My expenses, Weave News Reader and Yelp inactive/blocked.
    cruisezero, Nokia's website suggests blocking Nokia Drive+ (beta) as that is known to suck battery power, even if it isn't actually running. Try that n see if that helps...
    12-30-2012 05:49 PM
  25. mwdavis84's Avatar
    cruisezero, Nokia's website suggests blocking Nokia Drive+ (beta) as that is known to suck battery power, even if it isn't actually running. Try that n see if that helps...
    Well, location-aware apps run in the background, so if you open Drive and hit the windows key to exit, it will keep going. But if you back all the way out and completely close it, that shouldn't be a problem.
    12-30-2012 05:54 PM
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