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  • 1 Post By Captain_Throwback
  1. Thread Author  Thread Author    #1  

    Default bluetooth

    does anyone know definitively if leaving bluetooth on all day is a serious battery drain, or just a small one? i usually leave it on, so i don't have to bother with remembering when i'm already driving.

    is this going to really impact the battery life in a meaningful way or not? i never turned it off on the m7. but i've seen a few people say it's a real drain and wanted to try and ascertain what is actually the case.

    thanks.
  2. #2  

    Default Re: bluetooth

    It is a small hit.
  3. #3  
    Captain_Throwback's Avatar

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    chub-sac-Sense4.5/AnTHRaX

    Default Re: bluetooth

    I never turn off anything. The M8 is the first device I can use like I want and not run out of battery before the day is over.
    Device 1: HTC One (M8)/831C | Hardware Version: 0005
    Baseband: 1.05.20.0227_2 | PRI: 1.28_003 | PRL: 51098 | Recovery: TWRP 2.7.0.1

    Device 2: HTC Jewel/PJ75100 (EVO 4G LTE) | Hardware Version: 0003
    Baseband: 1.13.11.1105 | PRI: 3.02_003 | PRL: 56018 | Recovery: TWRP 2.7.0.4b

    Device 3: HTC Shooter/PG86100 (EVO 3D) | Hardware Version: 0002
    Baseband: 1.09.00.0108 | PRI: 1.55_003 | PRL: 22100 | Recovery: TWRP 2.6.3.0


    Device 4: HTC Supersonic/PC36100 (EVO 4G) | Hardware Version: 0004
    Baseband: 2.15.00.01.15 | PRI: 2.33_003 | PRL: 40460 | Recovery: TWRP 2.7.0.0
    mfreeland likes this.
  4. #4  

    Default Re: bluetooth

    Quote Originally Posted by henryfool3 View Post
    does anyone know definitively if leaving bluetooth on all day is a serious battery drain, or just a small one? i usually leave it on, so i don't have to bother with remembering when i'm already driving.

    is this going to really impact the battery life in a meaningful way or not? i never turned it off on the m7. but i've seen a few people say it's a real drain and wanted to try and ascertain what is actually the case. .
    I personally leave it on... I haven't seen any major drain... I must assume that the software must have a power saving switch that cuts it back to low when it's not connected or it's not transmitting. When I use navigation, I notice that if there are long lags in driving notification (driving instructions) it will disconnect and then reconnect...

    So, it's either a power saving switch or I have a defective BT transmitter or reciever... Never had my Rezound disconnect before...
    HTC ONE (M8)!

    ChromeCast
    Nexus 7 (2012)

    BB 6510>7510>8830>8330 Curve>9530 Storm> HTC Droid Incredible > HTC REZOUND!> HTC One (M8)
  5. #5  

    Default Re: bluetooth

    Leave mine on all the time. Automatically connects to my car and Headphones for the gym.
    Checked on GSAM battery monitor and bluetooth shows 1.5% today and running for 7hrs since i unplugged charger.
    Battery still at 88% with moderate usage.

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