1. AC Question's Avatar

    I have had my HTC One since Feb 2014 and have loved it; however, I recently update to Android 4.4.3 via Verizon's OTA update. Since then, my battery dies so quickly now. The phone won't make it 12 hours, much less the >24hrs it got before the update. I have tried resetting the system cache through the recovery and "recalibrating" the battery by holding the power+vol up+vol down buttons while the phone flashes on and off for two minutes. Is there anything else I can try? It seems obvious to me that this is a software issue, and I'd really rather not call Verizon and have them send out another phone.

    09-18-2014 05:44 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! To get a better idea of what's contributing to the battery drain, do the following:

    Charge up to 100%, then let it drain to 20-30% with normal usage, without charging in between. Then show us:

    1. The main Settings>Battery screen.
    2. The fullscreen battery graph screen (which shows Awake time and Cell Signal Strength).
    3. The Screen category (to see total Screen On time).
    4. The Cell Standby category, if present (to see Time Without Signal).

    09-18-2014 09:51 PM
  3. K6bowen's Avatar
    I am having the same issue as you. Good to know I'm not the only one.
    09-24-2014 03:03 PM
  4. duf620's Avatar
    I'm having the same problem, too. I don't have those exact screen shots, but I've attached three that show that Cell Standby is eating up a lot of battery while I've got great service (100% connected). This was also on a day where I barely used my phone at all. Any suggestions? This is really frustrating. Wish I stuck on the old OS version.

    Verizon HTC One (M7) battery issues after 4.4.3 update-screenshot_2014-09-24-16-58-29.jpgVerizon HTC One (M7) battery issues after 4.4.3 update-screenshot_2014-09-24-16-58-46.jpgVerizon HTC One (M7) battery issues after 4.4.3 update-screenshot_2014-09-24-16-58-59.jpg
    09-25-2014 08:22 AM
  5. K6bowen's Avatar
    Here are my screenshots. When I get down to 40% my phone shuts off. Did the whole clearing the cache partition thing already. No luck.

    Posted via the Android Central App
    Attached Thumbnails Verizon HTC One (M7) battery issues after 4.4.3 update-80547.jpg   Verizon HTC One (M7) battery issues after 4.4.3 update-80548.jpg   Verizon HTC One (M7) battery issues after 4.4.3 update-80549.jpg   Verizon HTC One (M7) battery issues after 4.4.3 update-80550.jpg   Verizon HTC One (M7) battery issues after 4.4.3 update-80551.jpg  

    Verizon HTC One (M7) battery issues after 4.4.3 update-80552.jpg  
    09-25-2014 10:54 AM
  6. K6bowen's Avatar
    Anyone find anything out about this?
    10-16-2014 07:35 AM
  7. Rukbat's Avatar
    When I get down to 40% my phone shuts off.
    1) Not that this has anything to do with your problem, but it's a good thing. Longest battery life occurs when you charge at the 40% to 60% discharge point. Draining the last bit of juice out of the battery every charge cycle can give you a battery that needs to be replaced in 6 months or so. See Battery University - How to Prolong Lithium-based Batteries

    2) Your phone is constantly awake - that's not something you want. Install Wakelock Detector (free) and see what's keeping it awake. At worst, install Greenify and hibernate those apps. (Don't hibernate phone or, if you want to get email on schedule, not just when you open the app, the email app. Don't hibernate any app that you may get notifications from at any time - and you want to. Hibernate any app that you only want running when you run it.) At best, uninstall the apps that are keeping the phone awake if they're something you installed, and find a different app for the same function that was written properly. (The "Awake" line, unless you're using the phone constantly, should be almost totally white (in your case - in some phones it's blue for awake and black for asleep [the ideal condition is sleeping almost all the time - it should look like your GPS line].)
    10-16-2014 03:16 PM

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