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12-06-2014 09:00 AM
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  1. grdguez01's Avatar
    L521 here!!! After latest update and a "soft-reset" I've seen a noticeable battery life improvement. After a full charge before going to bed and losing around 3% from 12am to 7am (battery saver ON) when I get home at night (around 9pm) from work+college I still have around 40% left(moderate to heavy usage) I love it when I see my classmates charging their iphones/nexus/galaxy's and I'm there like nah I still have battery on my Lumia :D.
    itsmewasim likes this.
    11-18-2014 12:50 PM
  2. TechFreak1's Avatar
    My wife has noticed a big decrease in battery life since the update on her 925. She lives on Facebook though so it's definitely eating battery lol. However, she can charge the phone and without touching it the phone will drain battery much faster than before. I advised her to factory reset but she refuses lol. So I'm thinking about doing it tonight after she falls asleep and I'll let you know if it helps.
    Best leave her phone alone, if you know what's best for you :P.

    I'm monitoring what happens with my 920, it is too early tell what effect this update has had.
    11-18-2014 01:57 PM
  3. russshoe's Avatar
    I went from 1 day 18 hours to 1 day
    11-18-2014 03:29 PM
  4. MDK22's Avatar
    I was wondering if anyone has had this issue since the update. I can charge my phone to 100% then when I goto sleep I put it in airplane mode and by the time I wake up the phone is dead. Does anyone know whats going on here?
    FWIW (simply my opinion with some basis in logic) :
    IF you leave an app OPEN (in background) that consumes data with NO data available - said app will probably continue to poll, looking for a connection (WiFi or Cellular). That app could (should) show high usage in Battery Saver - but may NOT (may show as system). That could represent your issue.

    The other variable, which often makes issues difficult to diagnose, is everybody's phone is different., both in use case (how) and app portfolio (what). Even with the (alleged) dearth of apps in the Store, there are enough, that NO two phones are likely to be exactly alike. That explains differing opinions about battery life, just in this thread. A rogue app (which may NOT show in Battery Saver), could be gulping significant battery. I'd be looking @ the last few apps I installed, followed by any older apps (haven't been updated in a year).

    My personal experience with the latest Dev Preview update, has been improved battery life, but as always YMMV.
    11-18-2014 06:08 PM
  5. trev tyson's Avatar
    I've had noticeable battery drain issues on both 920 and 1520 devices since the update. I have done the standard hard reboot after installing, and turned off every setting I can to minimize this, yet both devices are suffering. I've also noticed a discrepancy between the lock screen battery % and the active screen pull down %.
    I've gone back to my other 1520 (yes,I have two), and NOT done the upgrade, and there is a noticable difference. I'm going to do a full wipe of the effected 1520 and see if that fixes anything.
    11-19-2014 01:17 PM
  6. the-wrangler's Avatar
    I'm having horrid battery drain no matter what I do - I haven't changed anything since before the update, same settings and apps installed, use the phone in the same manner but my battery is being smashed. My L1020 is majorly affected, but (luckily) my wifes L1020 is not.

    Attached Thumbnails wp_ss_20141119_0002.png   wp_ss_20141119_0003.png   wp_ss_20141119_0004.png  
    11-20-2014 06:38 AM
  7. TechFreak1's Avatar
    After the latest update, my battery has started doing somersaults again.. was at 47% and did a soft reboot - down to 29%... lol???
    Looks like they broke something in trying to fix something else as on the last update this didn't happen. However nn the plus side I don't appear to getting the dead battery logo flash up at restart.
    12-06-2014 01:43 AM
  8. HoosierDaddy's Avatar
    FWIW Mine used 5 percent in the 15 hours after the update
    12-06-2014 09:00 AM
33 12

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