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Samsung Galaxy S7 disastrous battery life

Discussion in 'Android Devices' started by MrElculver2424, Sep 6, 2017.

  1. MrElculver2424

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    Jun 29, 2011
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    Phone details:
    Samsung Galaxy S7 (have had since it first came out)
    running Android 7.0

    This battery life issue seems to just be an issue of late and of gradual worsening. In the first year of having the phone the battery life was fine. I could play games and use my phone often all day and it would last until I got home late at night.

    In the past few months it's gradually gotten worse and now it's just sad. I drive to my college classes in the morning around 9 am and charge it in my car to 100%; it is at 100% when I am going to my first class. I only use my phone for a few minutes periodically in between classes throughout the day and it dies completely by 4 or 5 pm, and I'm barely even using it. I'll check my email, snapchat, twitter, facebook, etc. maybe a couple times throughout the day. And sometimes I play music on Spotify but that doesn't really drain much battery at all.

    In fact, the battery usage screen shows that no app is draining much battery at all. It just seems to be the system. The phone is just rapidly dying all day long without much use. Here's an example:

    One day, by noon, it was at 45%. (3 hours on battery)
    Battery usage:
    Screen 8%
    Android System 5%
    Android OS 4%
    Chrome 3%
    Google Play Services 3%
    Phone idle 2%
    Twitter 2%
    Weather Channel 1%
    etc.

    I already have my location on "battery saving" mode ALWAYS. I have the screen brightness to automatic. There's nothing else I can do to save more battery without shutting off things that I need.

    I'm at a loss of what to do. I really would like to just get a new phone but I'd rather just wait until the S9 comes out. Any suggestions of something I may be missing here?
     

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  2. andMego

    andMego Android Enthusiast
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    If the problem isn't reception I think you should just stop in your nearest phone fixing store and ask them to swap the battery.
     
  3. Snakeyeskm

    Snakeyeskm Android Expert
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    The system usage is a little misleading since many apps actively use the system. You have some battery hogs like Facebook etc. loaded on your phone. Sometimes updates to these "hogs" actually aggravate their power usage as these apps add more capabilities. In fact to the best of my knowledge, Snapchat Twitter and Facebook are all heavy power users.

    Just for one day, disable these apps and see how your phone battery performs. This does not mean that your battery is fine, it might be deteriorating but your social apps are putting a strain on it.
    This would be specially the case you are operating in in non-Wi-Fi environment with weak mobile signal. This would also use intensive power as your phone is struggling to download large amounts of update data for your social apps.

    I would suggest an app like GSam battery monitor that would help you better diagnose your battery usage
     

Samsung Galaxy S7

The Samsung Galaxy S7 was launched in 2016 and was one of two devices in the lineup. The device features a 5.1-inch display with a resolution of 2560 x 1440, 4GB of RAM, 32GB of storage, and a 12MP rear camera.

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