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09-10-2015 05:18 AM
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  1. Samgh's Avatar
    Hi,

    Number of battery related issues I am facing post Denim update to my Lumia 1520
    - Battery shows it is charged in the range of 60-68%, even then get popup related to Low Battery for 1 second and the phone reboots
    - When I record videos for 2-3 mins clips in the 1080p resolution, the phone reboots with the same Low Battery popup for a second, though the battery is quite charged ~70%
    - Quite randomly, the phone starts to get warm and soon the battery drains fast and phone reboots

    Steps I have taken:
    - My Battery Saver is operational
    - Background operations of unnecessary apps is switched off
    - Charging pattern is I charge it overnight, but also require it to be charged during the day

    Any one else facing similar issues

    Regards,
    Sam
    03-21-2015 12:37 AM
  2. Prathameshk's Avatar
    Hi,

    Number of battery related issues I am facing post Denim update to my Lumia 1520
    - Battery shows it is charged in the range of 60-68%, even then get popup related to Low Battery for 1 second and the phone reboots
    - When I record videos for 2-3 mins clips in the 1080p resolution, the phone reboots with the same Low Battery popup for a second, though the battery is quite charged ~70%
    - Quite randomly, the phone starts to get warm and soon the battery drains fast and phone reboots

    Steps I have taken:
    - My Battery Saver is operational
    - Background operations of unnecessary apps is switched off
    - Charging pattern is I charge it overnight, but also require it to be charged during the day

    Any one else facing similar issues

    Regards,
    Sam
    Try hard reset it might solve your problem...or else try Lumia software recovery tool...
    03-21-2015 01:02 AM
  3. jsooney's Avatar
    Battery shows it is charged in the range of 60-68%, even then get popup related to Low Battery for 1 second and the phone reboots

    I have a similar problem to this, but it doesn't reboot, it just shuts down. In the past when I got the battery is critical message it would still run for a while, but now it just dies immediately. If I plug it in the battery shows as being around 50% charged, so it doesn't seem to know what it's talking about.

    Wifi and Bluetooth are rarely turned on, like less than once a week, and all background activity that can be disabled has been.

    In general I find fast draining is related to some new app somewhere. Recently I had to get rid of a game called Anodia, kind of a brick bashing game, because it was obviously doing stuff in the background and killing my battery. Escape the Prison Room, or whatever it was called, is another battery disaster.
    Samgh likes this.
    03-23-2015 08:40 PM
  4. jontyfernz's Avatar
    Hi,

    Number of battery related issues I am facing post Denim update to my Lumia 1520
    - Battery shows it is charged in the range of 60-68%, even then get popup related to Low Battery for 1 second and the phone reboots
    - When I record videos for 2-3 mins clips in the 1080p resolution, the phone reboots with the same Low Battery popup for a second, though the battery is quite charged ~70%
    - Quite randomly, the phone starts to get warm and soon the battery drains fast and phone reboots

    Steps I have taken:
    - My Battery Saver is operational
    - Background operations of unnecessary apps is switched off
    - Charging pattern is I charge it overnight, but also require it to be charged during the day

    Any one else facing similar issues

    Regards,
    Sam
    Its normal due to the under the hood tweaks
    03-26-2015 06:34 AM
  5. tejazz's Avatar
    You're not alone, for there are many of us with the exact same problem. Here's a reddit thread on the same: HTTP WWW REDDIT COM /r/windowsphone/comments/2zx7v5/bad_battery_life_on_lumia_1520_has_someone_else/

    (sorry can't post links yet, mods please delete if I've breached any rules)
    Samgh likes this.
    03-26-2015 07:27 AM
  6. Samgh's Avatar
    Finally reset my phone using the software recovery tool.
    Have disabled Bluetooth, NFC etc etc. Selected "not allowed" for most of the apps to run in the background.
    Do not see a great improvement in the life of the battery charge. Keeping fingers crossed.

    BTW before I reset the phone, while I was using the camera, the phone shut down when the battery was 91%.
    On restarting the battery showed 31% and died on me again.
    When I put it for recharge in a matter of 30 mins it recharged from 30% to 100% which is not normal. Looks like have to get battery changed :-(
    04-02-2015 11:35 PM
  7. myoujin's Avatar
    Same problem with me. Took some video/picture or surf 20~30minutes. My phone battery show critical low and shutdown. After on restart, show still have 40% and I open back camera take few pictures and phone shutdown again. This time cannot boot back and need charger. Normally will charge to 30% and take 20minutes to 100% ( check using insider pro).
    04-04-2015 12:02 PM
  8. albertico's Avatar
    SAME EXACT symptoms on my AT&T Lumia 1520...are we just collectively putting up with this? What should be our course of action...it's kind of ridiculous that we can't even take photos with a smartphone that has a 15MP camera :(
    04-13-2015 12:53 AM
  9. mrshots's Avatar
    YES. So annoying! It switches off at: 20%, 30%, 40%, 50%, 60%. This is a serious issue as my phone has become very unreliable.
    04-25-2015 09:12 AM
  10. ScrubbyXD's Avatar
    Drain the battery completely so it is off.
    (Skip this step if you do not have the tools and skill) Disconnect the battery and press the power button, then reassemble
    Without manually powering it back on connect the charger and let it charge to full.
    Report any changes.
    04-25-2015 10:31 AM
  11. albertico's Avatar
    Drain the battery completely so it is off.
    (Skip this step if you do not have the tools and skill) Disconnect the battery and press the power button, then reassemble
    Without manually powering it back on connect the charger and let it charge to full.
    Report any changes.
    I believe I've tried this several times with no changes. However, I did not disassemble my Lumia 1520 and disconnect the battery (don't have the tools). Since you mention that though, have you heard of any positive experiences with battery swaps on "unibody" Lumia devices? I would like to try swapping out the battery...and at the same time fear that this is just a software issue since (like other users here) this issue suddenly arose after updating to Denim.
    04-25-2015 01:09 PM
  12. albertico's Avatar
    @mrshots: Couldn't agree more. Have you noticed a pattern? For example, the sudden shutdown occurs especially when using the Instagram BETA app, using IE, after taking 2-3 photos using Lumia Camera, or recording a few seconds of video. However, when text messaging or using the phone for voice calls seems to be okay--similar at your end?
    Last edited by albertico; 04-25-2015 at 01:14 PM. Reason: Added reply-to
    04-25-2015 01:12 PM
  13. ScrubbyXD's Avatar
    Doing a firmware reset with the recovery tool should have reset the stored battery data. The charge percentage is flip flopping around and the problem is occurring at times your draining battery the fastest. The heat is a factor here it sounds like. The next logical step is to try a new battery or at the very least inspect the one you have for that tell-tale bulge.

    Still under warranty?
    04-25-2015 01:57 PM
  14. albertico's Avatar
    Doing a firmware reset with the recovery tool should have reset the stored battery data. The charge percentage is flip flopping around and the problem is occurring at times your draining battery the fastest. The heat is a factor here it sounds like. The next logical step is to try a new battery or at the very least inspect the one you have for that tell-tale bulge.

    Still under warranty?
    Not under warranty as of last December. I performed a factory-reset, which I don't think is the same as a firmware reset with the recovery tool because it was still on Denim after the factory reset. Will a firmware reset also clear user data like a factory reset? Tell-tale bulge on the battery itself if it's faulty?
    04-25-2015 02:07 PM
  15. ScrubbyXD's Avatar
    Yea, some lithium polymer batteries start to bulge where the cells have begun to rupture inside.
    04-25-2015 04:23 PM
  16. mrshots's Avatar
    For me, there has been no pattern. It can switch off whatever I am doing. It can be fixed by charging it for 1 second, but that is very inconvenient for me.

    Yesterday I was in cheddar with my phone, and I took 2 photos at 40% and then it switched off... So I couldn't take photos of the lovely landscape.

    I hard reset my phone too, no effect (I did have a temporary effect though)

    I guess we just have to wait... It switched off at 70% for me now :/

    I think the illusion of pattern comes with how often you do something, if you browse a lot, you'll have the illusion that that is the cause. But for me, it triggers when the phone is not in use also, so that leads me to think there is no pattern...

    I'm glad I'm not the only one who suffers, and that there my be a chance of a fix...

    By the way, how this bug came about was very gradual. Once a week it would do this, but it was solvable, then it happened more often, and now every day. I switched chargers and that solved it for a Short amount of time. I'll experiment with using a different charger each day and let you know my findings :)
    04-26-2015 05:31 AM
  17. albertico's Avatar
    @mrshots: Pretty much all of what you described fits my experience, except for being triggered when the phone is not in use--that has yet to happen to me. What leads me to think there is some pattern is because what I do most on the phone has never triggered a shut off, which is text messaging. It only seems to happen when media consumption is heavy, at least on my Lumia 1520. I would also agree with you that the issue is gradually getting worse--when it started, the phone would give a warning and actually reboot, now it's gotten to the point where no warning is given and the phone simply shuts off and can't be restarted until plugged in or a period of time has passed with the phone off.
    04-27-2015 01:48 AM
  18. mrshots's Avatar
    No difference using different chargers.
    I'm buying a good portable charger, to give it a jumpstart when it nods off to sleep :).

    That should be better.
    04-27-2015 02:21 AM
  19. albertico's Avatar
    @mrshots: Forgot to mention that I wasn't having better luck with different chargers either. Not sure how much better I'd feel about having to connect a portable charger while taking photos or trying to capture video...
    04-27-2015 03:37 AM
  20. albertico's Avatar
    I've posted on the official Lumia support forums, no responses yet, just many views: Mobile Community - Lumia 1520 Battery Discharge Issue After Updating ... - Microsoft Mobile Community
    04-27-2015 03:40 AM
  21. tejazz's Avatar
    I tried a factory reset using the Lumia Software Recovery tool, and I think the problem has only gotten worse. I was planning to go to the authorized service centre today to send it for repairs -- my warranty ended exactly a month ago :( -- but seeing that so many of us have the same problem, I have a feeling it's more of a Denim/OS issue than a hardware/battery issue, so a battery replacement probably will not help.

    I don't know when this'll be resolved, but looks like I'm stuck with an ultra-expensive paperweight till then. I've also read somewhere that uninstalling the Lumia Camera app helped in fixing this issue, so I'll try that now... I'm not very hopeful though.

    EDIT: Uninstalling Lumia Camera did not help, either. I hate my phone. FML.
    Last edited by tejazz; 04-27-2015 at 05:59 AM.
    albertico likes this.
    04-27-2015 03:59 AM
  22. mrshots's Avatar
    This is very inconvenient :). I'm glad it's nothing to do with battery.
    This is literally the only electronic device I have, so it is very annoying...

    Right now, over the past 3 days it is getting unbearable. It switches off every 25%.
    04-27-2015 10:04 AM
  23. myoujin's Avatar
    I'm not alone. My phone keep shutdown show battery critical low although have enough % for example 50%. When restart 2 3 times, become 2%. Always happen when I'm using IE and camera. When I charge my phone, %increase from 40% to 100% in 20seconds (check using insider pro). Now waiting new battery I ordered from eBay. Ordered 10/4 but it take 20-40days from China. :(
    04-27-2015 10:38 AM
  24. albertico's Avatar
    @tejazz: That is disappointing to hear, my last option I was hoping for would be the reset using the Lumia Software Recovery Tool. To hear it's even worse, that's quite ridiculous. "Ultra-expensive paperweight" is exactly it.

    @mrshots: It's surely beginning to appear like this is more of a software issue more than anything...UNLESS Denim damaged the battery with all of the reboots and false battery readings, then we're stuck with OS and hardware issue.

    @myoujin: You have a Lumia 1520? You feel comfortable replacing the battery if so? Let us know how it works out :)

    I suggest that we get some traction going on the MSFT support forums, someone at Microsoft needs to make note of this issue and have a fix in place. But at the same time, I don't see myself waiting a year for Windows 10 and AT&T to approve next update just to be able to use my phone normally. Can any of you go through the trouble of posting on that thread I linked, just to get the thread bumped and hopefully a MSFT-affiliated agent to respond?
    04-27-2015 03:12 PM
  25. albertico's Avatar
    @tejazz: Saw your comment on the MSFT thread, thanks mate! It was perfect for adding credibility
    mrshots likes this.
    04-28-2015 01:01 AM
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