04-20-2014 04:47 AM
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  1. aldofarias82's Avatar
    I own a Lumia 720 and since 8.1 my battery life lasts like a 1/3 is it just mine? I disabled lots of things like double tap to wake but it still sucks
    04-15-2014 09:06 PM
  2. xandros9's Avatar
    It was the same on my 920, but it has since settled down to something more normal, so give it a couple days
    04-15-2014 09:09 PM
  3. aldofarias82's Avatar
    I hope it does, so far i am loving 8.1 and i think its worth the battery pain. Did you get it before monday morning? (i installed it as soon as it was public)
    04-15-2014 10:04 PM
  4. TripleHelix192's Avatar
    I noticed battery draining quicker on my 8X. I removed my start screen wallpaper to see if that helps.
    04-15-2014 10:10 PM
  5. Roach26's Avatar
    Got only 20% left out of 100% in just 4 hours. The phone was idle the whole time....
    04-15-2014 10:13 PM
  6. MDak280's Avatar
    I've had bad battery life on my 925 since GDR3, so I can't really tell how 8.1 has affected my battery life. It seems the same so far. I'll give it a few more days to see if that makes a difference.
    04-15-2014 10:14 PM
  7. AndrewL920's Avatar
    Disable cortana and location service. They are battery juicers.
    04-15-2014 10:19 PM
  8. Joe920's Avatar
    Same here. On my Lumia 1020 the battery went from 100% at 7am to 5% at 5pm, and that's with only making one 20min call, a little light browsing, and playing music for 30min in the car. That is SO much worse than before the update. Hope they can fix this quickly with a small patch. Loving the update otherwise, transparent tiles looks surprisingly awesome.

    Edit: look at the results of today. Ouch!

    battery.jpg
    Last edited by Joe920; 04-15-2014 at 11:00 PM.
    04-15-2014 10:19 PM
  9. regi7's Avatar
    100% at 6:30a and 40% at 8:30p. My battery life is so much better. And I use my phone a lot!: Videos, instagram, news, messaging, internet, etc etc
    04-15-2014 10:28 PM
  10. Alex Rodriguez Jr.'s Avatar
    I have said this on other threads. Can't be Cortana if I'm abusing her & she only ranks 19 on my usage list yet I'm experiencing issues. This is a driver issue, as I stated in those threads too, we saw this with Mango. Actually, I'd argue the pre release of Mango was worse.
    04-15-2014 10:30 PM
  11. dorelse's Avatar
    I disabled & installed Weather...the background updates were a battery hog & keep my phone pretty warm to the touch. Battery life was horrible...once I uninstalled it, its back to normal.
    04-15-2014 10:31 PM
  12. jwpear's Avatar
    Same experience here. I updated my Lumia 928 last night. When I set it on the charging plate around 9:30 PM, it had less than 20 percent charge remaining. It had switched to battery saver mode. Normally, I'd be at 60 percent or better. I easily got a day and a half on a charge before the update. I could even go a full 24 hours on a heavy use day. Admittedly, I played with the phone more today than usual, checking out WP 8.1, but this still stinks.

    I also updated my Lumia 822. It sat in the house all day with wifi on. With no active use, it was at the 70 percent mark this evening. Normally, it'll go 4-5 days just sitting on my desk with wifi on and no active use.

    Something about 8.1 clearly isn't optimized. It's either the OS or the apps that haven't yet been updated for it.

    Battery saver was pegging the mail app as using the most energy on my 928. I synch with two mail accounts--Outlook.com and my employer's Exchange.

    The entire OS just feels a little more sluggish and less optimized to me. It doesn't meet the same performance standards of past updates. I'm disappointed. I'll tolerate the app gap and other missing features as long as it does most of the things I need and the OS performs well. When it starts feeling like a second rate OS, I have to question my loyalty.

    I've put off updating my 8X in case I need to fall back to WP 8 for a while.
    Rohit Bhardwaj1 and hazqeel like this.
    04-15-2014 10:34 PM
  13. Joe920's Avatar
    I wonder if scanning every email for flights etc (Cortana option) is a battery hog. I turned it off for now just for the heck of it, I'll report back if things change for the better. It wouldn't prove anything, but hey, why not try..
    04-15-2014 10:42 PM
  14. Joe920's Avatar
    The entire OS just feels a little more sluggish and less optimized to me. It doesn't meet the same performance standards of past updates.
    Well it is a dev preview.. Kind of expected, I'm just happy my 1020 didn't go up in flames. I do hope they fix the battery issue though.
    04-15-2014 10:44 PM
  15. Xpider_MX's Avatar
    The entire OS just feels a little more sluggish and less optimized to me. It doesn't meet the same performance standards of past updates. I'm disappointed. I'll tolerate the app gap and other missing features as long as it does most of the things I need and the OS performs well. When it starts feeling like a second rate OS, I have to question my loyalty.
    .
    LOL... You know what? it is your fault. Why? because Windows Phone 8.1 dev preview IS FOR DEVELOPERS, you are not getting the firmware part, you don't have the benefits from Nokia firmeware.

    It doesn't meet the performance of normal updates because it is not a normal update. With a normal update you get the correct firmware, with correct drivers and so.

    At the end, you decided to install a preview sofware.
    04-15-2014 10:48 PM
  16. rysliv's Avatar
    I haven't had a problem with battery on my HTC 8x. It has always given me a about a day of use. Those standby times are worthless, my device used to be able to be in idle for days, but that was before GDR1. Now it lasts only about a day, maybe a little more. I can get two days with battery saver on. I haven't noticed any drain except for the normal battery usage by just using the device.
    04-15-2014 10:50 PM
  17. TaichiSurface's Avatar
    try to disable background apps that you don't use it last around 12 hrs for me but I kept using it so can't really blame WP8.1
    04-15-2014 10:54 PM
  18. makoute's Avatar
    Battery life has gone down on my HTC 8x, it is draining faster than before, it's also a bit sluggish imo. Maybe the hardware is just not capable for all the new features.
    04-16-2014 09:12 AM
  19. sketchedout's Avatar
    I've always had fantastic battery life on 1520 and following update it was definitely draining quicker. I had a couple of other issues though like missing the new backgrounds for start screen, wallet app not opening, not being able to copy and paste. I did a hard reset which was surprisingly quick and it now seems back to normal for me. Phone came off charge about 8.30am and it's now 15.23pm and currently still have 74%. This is after downloading maps again, emails, browsing and about half hour of calls and generally fiddling around with start screen to get it all how it was. Internet explorer is my biggest battery drain at moment but that makes sense for me as it is my biggest use
    04-16-2014 09:29 AM
  20. Joe920's Avatar
    I wonder if scanning every email for flights etc (Cortana option) is a battery hog. I turned it off for now just for the heck of it, I'll report back if things change for the better. It wouldn't prove anything, but hey, why not try..
    OK, so since I turned this option off my battery life looks like before. It might be a coincidence, maybe other things were going on in the background (like XBox music updating song metadata etc), so it's not proof. I'll try turning it back on in a week or so, but for now my 1020 is behaving again.
    04-16-2014 12:04 PM
  21. Omega Point's Avatar
    I've been experiencing high drain on my 1020 since 8.1, about twice normal. One thing I noticed was that it only drained higher when I was at work with WiFi on, so I tried turning WiFi off and the battery drain returned to pre-8.1 levels (3-5% an hour). Maybe something isn't quite right with WiFi power management.
    04-16-2014 12:14 PM
  22. sgraphics's Avatar
    Can confirm lousy battery life on 8X. I don't have Cortana enabled. At 6pm my battery was empty. This might have happened before only when doing constant navigation but now it happens when using the phone normally.

    MIght be because of unoptimized drivers? New CalDav integration for Google sync? Notification services revamp? Lousier live tile handling? Anyway, its absurdly bad at the moment.
    04-16-2014 12:15 PM
  23. JoaoCSM's Avatar
    My Lumia 920 was unplugged from charger 10 hours ago. Battery is 92% remaining (0.8%/h). Wifi always off, as well as data traffic.
    04-16-2014 12:29 PM
  24. slewis41's Avatar
    Disallow Here Drive form the background processes -- Should give you better battery life.
    04-16-2014 12:51 PM
  25. Vallos's Avatar
    Generally speaking, is there a positive to having Here Drive run in the background?
    04-16-2014 01:06 PM
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