01-05-2019 10:07 PM
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  1. Heavens1's Avatar
    Okay, so last photo before I charge up. This time there's 56% used by described apps, and 26% by unknown apps / processes.

    Bear in mind that i still haven't re-loaded stuff like email, or always on display etc etc

    Edit
    Samsung push services isn't showing at the bottom of the pic, it's 1%.
    Attached Thumbnails Battery Drain on Note 9 suddenly-5536.jpg  
    09-17-2018 06:38 AM
  2. Riduanua's Avatar
    I did have this same issue and was so frustrated after doing 4 factory resets. Finally decided to do a factory reset and set it up as a new phone without restoring any backup from Google backup or Samsung and now the battery life is amazing.
    So the culprit is the restoring.
    Simply set it up as a new phone and you should see great result in terms of battery drain
    kitoii likes this.
    09-23-2018 12:18 AM
  3. GrumGrum's Avatar
    Hi all this is a very useful post! I have the same issue with my newest Note 9 (upgraded to the 512GB as I ran out of storage in the first week! Plus the extra 2GB ram made it more future proof for me.)

    I have noticed the drain and have attempted some of these fixes would be good to see if the android system is still copying info over from a previous backup like the iPhone does for the first week once restored.

    My battery life and RAM usage was a lot better on the first note 9 I setup as new to this one where I restored and also restored part of an iCloud backup.

    I've wiped the cache and the play store/services cache and left everything else as is, fingers crossed it resolves but might do the factory reset and start from scratch again if it means the battery life will be better.

    I am also wondering if the dual SIM usage has some bearing on this as I didn't have that or use that on my 128 version.
    10-02-2018 05:52 AM
  4. mlbyanks11's Avatar
    my battery life is awful. I can't get a day out of mine with heavy usage. it's ridiculous. I've tried wiping cache 3 times restarting my phone. device maintenance. nothing works
    10-07-2018 06:01 PM
  5. DanielLoreti's Avatar
    my battery life is awful. I can't get a day out of mine with heavy usage. it's ridiculous. I've tried wiping cache 3 times restarting my phone. device maintenance. nothing works
    How much SOT are you getting?
    10-07-2018 07:53 PM
  6. mlbyanks11's Avatar
    not quite sure. I can't upload screenshots through the AC mobile app.
    10-07-2018 10:41 PM
  7. Nakrohtap's Avatar
    my battery life is awful. I can't get a day out of mine with heavy usage. it's ridiculous. I've tried wiping cache 3 times restarting my phone. device maintenance. nothing works
    "heavy usage" is subjective. More info is needed if you want other people's opinions. If you are on the phone nonstop for 8 hours, of course it won't last all day. Also, games eat up more battery life than just browsing forums or reading articles online.
    10-08-2018 10:49 AM
  8. mlbyanks11's Avatar
    I just got finished telling you via the Android Central app I cannot upload screenshots. Is there a way to do it?? I can give more info best I can. i have games but don't play them a ton.
    10-08-2018 06:24 PM
  9. mlbyanks11's Avatar
    See attached screenshot below. Hope this helps. Battery now down to 58 percent.Battery Drain on Note 9 suddenly-screenshot_20181009-193910_settings.jpeg
    10-09-2018 07:51 PM
  10. DanielLoreti's Avatar
    Under an hour SOT and sub 60% battery?
    10-09-2018 07:55 PM
  11. mlbyanks11's Avatar
    Under an hour SOT and sub 60% battery?
    That's a real screenshot. This battery life blows.
    10-09-2018 08:52 PM
  12. Onur Kucukerdogan's Avatar
    Hi,

    I had the same problem and eventually found the solution after trying many things. So what had worked for me is, I had more than 30 apps have permission to access location GPS services, (it is in the permission settings) and I was having GPS turned on all the time.

    It wasn't problem earlier but I think when it becomes many apps it started to eat battery. So I turned of location permission of many apps and turned off location as well and yes my battery becomes great again as it was used to. Before figuring this solution my battery was ending in the afternoon after I leave the house in the morning with full battery. So I really hope that it will be useful for you!
    10-27-2018 04:18 PM
  13. Riaan Dalton's Avatar
    Hello,

    "Problem" Found.

    During the night (7-9 hours) lost between 15%-20%.

    Tried all recomendations, clear cache, wipe cache, safe mode, factory reset, etc etc ... but the problem persist.


    The problem: Network mode

    Settings:
    - 9 hours stand by with always display off, wifi off, bluetooth off, mobile data ON

    If it's on LTE/3G/2G (auto connect) the drop is 15%-20%. Network changes between 4G and 4G+. It tried in my house and work place, the same happends. The network signal is very good.


    If it's on 2G only the drop is 3%-4%.


    Nothing i can do, i thing the Exynos is the problem here. During the night i just put on 2G.
    Yip this is the resolution, had the same issue. Found that the phone fights to get signal and then flips through 4G, Etc. Switched it to 2G only when i go to be bed and have a 1-2% battery drain. Could be Modem or Provider related either or this works
    11-14-2018 01:21 AM
  14. BlackZeppelin's Avatar
    I can almost guarantee it's a rogue app because it just happened to me. I put up a thread about this but I got this really weird notification about an app that was overloading my CPU. In my case it was Netflix and my battery drained 10% per hour. Even though I closed all my apps and optimised my device.
    11-16-2018 10:03 AM
  15. Dennis Ou's Avatar
    This is mine I struggle to get 3 hours of SoT. It's only been a week since I got the phone.
    Attached Thumbnails Battery Drain on Note 9 suddenly-screenshot_20181206-143556_settings.jpg  
    12-06-2018 02:49 PM
  16. chin84's Avatar
    I just got my note 9 exynos variant yesterday. When I received the set I realized the battery was bad . Today I try some of the trick eventually the battery was awesome . I believe after few more day it will be like a beast
    thecomicbookandme likes this.
    12-11-2018 08:22 AM
  17. silverfang77's Avatar
    I've been getting great battery life on my phone until yesterday. Suddenly, when I turn it on after two hours with the screen off, but streaming Pandora over bluetooth, it's down to 64% from 95% Before, I could do this and have it only drop to 90%.
    12-11-2018 12:21 PM
  18. mlbyanks11's Avatar
    I've been getting great battery life on my phone until yesterday. Suddenly, when I turn it on after two hours with the screen off, but streaming Pandora over bluetooth, it's down to 64% from 95% Before, I could do this and have it only drop to 90%.
    Whether users want to admit it or not. This is a history with Samsung phones. Random battery drain and have no idea what causes it. Maybe Android pie will improve the quality of the battery.
    12-21-2018 07:32 AM
  19. adegbenroagoro's Avatar
    Whether users want to admit it or not. This is a history with Samsung phones. Random battery drain and have no idea what causes it. Maybe Android pie will improve the quality of the battery.
    You're the first person I've ever heard mention "random battery drain in SAMSUNG phones". Of course my experience is that of only one person out of the millions who have bought their phones. I'm on my tenth SAMSUNG phone since 2011. Never happened with any of them.
    12-21-2018 12:07 PM
  20. mlbyanks11's Avatar
    You're the first person I've ever heard mention "random battery drain in SAMSUNG phones". Of course my experience is that of only one person out of the millions who have bought their phones. I'm on my tenth SAMSUNG phone since 2011. Never happened with any of them.
    I didn't ask. And I'm sure me being the first person is a crock. Other users reported issues on these forms as I've seen.
    12-21-2018 12:13 PM
  21. NIZMOZ44's Avatar
    You're the first person I've ever heard mention "random battery drain in SAMSUNG phones". Of course my experience is that of only one person out of the millions who have bought their phones. I'm on my tenth SAMSUNG phone since 2011. Never happened with any of them.
    And it’s happened to every Samsung phone I’ve owned.
    12-25-2018 11:45 AM
  22. mlbyanks11's Avatar
    I actually am getting way better battery life then last reported. I figured out what was killing my battery and I had some VPN activated in the background that was an attachment for a side loaded app called Blokada. Weird thing is it came with random pop up ads which I got rid of. Also the app no longer on my phone and now it lasts me over a day. Did some digging and figured it out. Now it appears to be back to normal as im getting the longevity Im supposed to be getting. Cheers and Happy Holidays to you all.
    mustang7757 likes this.
    12-26-2018 08:21 AM
  23. mlbyanks11's Avatar
    you guys can also go into settings,apps then storage clear cache on individual apps
    My battery life has improved majorly. I explained it in the post below but now I'm getting what I should be. Thankfully.Battery Drain on Note 9 suddenly-screenshot_20181226-153125_settings.jpeg
    mustang7757 likes this.
    12-26-2018 03:32 PM
  24. mustang7757's Avatar
    My battery life has improved majorly. I explained it in the post below but now I'm getting what I should be. Thankfully.Click image for larger version. 

Name:	Screenshot_20181226-153125_Settings.jpeg 
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    I'm happy for you , boy it's been a rollercoaster ride lol
    mlbyanks11 likes this.
    12-26-2018 03:57 PM
  25. linkiik121's Avatar
    Since launch and still amazing 😁
    Attached Thumbnails Battery Drain on Note 9 suddenly-8694.jpg  
    mustang7757 likes this.
    01-05-2019 07:44 PM
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