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  1. Thread Author  Thread Author    #1  

    Default Note 2: Battery Drain after 4.3 update

    Hi,

    I am talking about the official update released by Samsung in India.

    I have noticed a significant battery drain after the 4.3 update compared to 4.1.2

    The type of usage has remained same throughout.
    Last edited by NotJustAPhone; 01-17-2014 at 01:12 PM.
    Ramu Raju likes this.
  2. #2  

    Default

    I've flashed the Nordic official update and have seen a massive improvement to my battery life!

    From my GT-N7105 via Android Central App
  3. Thread Author  Thread Author    #3  

    Default Re: Battery Drain after 4.3 update

    Mine is GT-N7100. Not sure if it makes any difference.

    Also I noticed some of the system settings were reset after the upgrade. I haven't checked all but if unwanted services have turned on, that might have been the season of the drain.

    Can anyone help in determining which settings were reset after the upgrade?? I can share 1 to start with : Location Services
  4. #4  

    Default Re: Battery Drain after 4.3 update

    If it is really bad, back up your app data and do a Factory Reset. Then work on changing your settings.

    Sent from my Samsung Note II using Android Central Forums
  5. #5  
    greatg67's Avatar

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    Default Re: Battery Drain after 4.3 update

    What new features are included / added to this new build
  6. #6  

    Default Re: Battery Drain after 4.3 update

    As Jeffrey said, factory reset should help.
  7. Thread Author  Thread Author    #7  

    Default Re: Battery Drain after 4.3 update

    Did the factory reset, but the battery usage still remains relatively high.

    There isn't a single new app installed, not a single setting changed. This is what I have been using all the time. And turning on the Sync is a nightmare.

    Also I noticed that the stock music player hangs intermittently while playing the songs, and similar has been also reported in the GS3 4.3 android release.

    Anyone who has upgraded to 4.3, would request you all to post your experiences.
    Thanked by:
  8. #8  

    Default Re: Battery Drain after 4.3 update

    Could you post some numbers on how bad the battery drain is. For now I have no idea how bad is your bad.
  9. Thread Author  Thread Author    #9  

    Default Re: Battery Drain after 4.3 update

    Quote Originally Posted by gdanonym View Post
    Could you post some numbers on how bad the battery drain is. For now I have no idea how bad is your bad.
    Yes sure..I was about to post the screenshots from wakelock detector, stock battery app, etc. Will post those soon for you to have a look.

    It's like something is wrong,
    1.Merely unlocking the phone and mumbling around here and there like browsing the music or changing songs eats 1-2% battery.
    2.At night if I leave the phone at 100 %, by morning it used to be at most 90%, but now, it drains to almost 70%.
    3.Idle phone (sync OFF, Mobile data/Wifi ON, Quick glance ON) consumes around 7% per hour.
    4.Even the power saver mode does not seem to be working anymore (same amount of battery drain)

    All of the above started happening after the 4.3 upgrade. I was very happy with the battery life with 4.1.2.


    P.S Now I have turned off WIFI/Data and observing the phone with
    1.Auto brightness
    2.Quick Glance enabled
    3.Smart Stay ON
    4.Power Saver OFF
    vinod raj likes this.
  10. #10  
    karansingh5's Avatar

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    Default Re: Battery Drain after 4.3 update

    Hi! I've been encountering the same problem. It persists even after the factory reset. Keep your mobile data on auto brightness, with everything else(like wifi, sync, bluetooth) turned off, battery dies within 4-5 hours! That's ridiculous when compared to the battery life I used to get before the update. Moreover, I'm encountering issues with charging as well, takes ages to charge!!! Like 10-12 hours!! Any help, suggestions?

    Posted via Android Central App
  11. Thread Author  Thread Author    #11  

    Default Re: Battery Drain after 4.3 update

    Quote Originally Posted by Rishi Ashar View Post
    Yes sure..I was about to post the screenshots from wakelock detector, stock battery app, etc. Will post those soon for you to have a look.

    It's like something is wrong,
    1.Merely unlocking the phone and mumbling around here and there like browsing the music or changing songs eats 1-2% battery.
    2.At night if I leave the phone at 100 %, by morning it used to be at most 90%, but now, it drains to almost 70%.
    3.Idle phone (sync OFF, Mobile data/Wifi ON, Quick glance ON) consumes around 7% per hour.
    4.Even the power saver mode does not seem to be working anymore (same amount of battery drain)

    All of the above started happening after the 4.3 upgrade. I was very happy with the battery life with 4.1.2.


    P.S Now I have turned off WIFI/Data and observing the phone with
    1.Auto brightness
    2.Quick Glance enabled
    3.Smart Stay ON
    4.Power Saver OFF
    Observation after going the above activities:
    1. It does not seem to be any app which is using internet in order to drain the battery, as I had the internet turned off (WIFI/DATA both). Even then the battery drain was quite high.
    2.Some one suggested something might be wrong with the SD card which might be causing this, so I am gonna go ahead and format the card and check after that.
    3. I did not have anything to paste as a screenshot here, as I check in the wakelock detector, nothing seemed weird. Looking for more clues though.

    Weirdest thing:
    This one is new for me. My battery was around 35 percent in the night 1:00 AM when I kept it for charging.
    Till 5:30 in the morning it didn't charge till 80%.

    I am not sure what the issue might be.
  12. Thread Author  Thread Author    #12  

    Default Re: Battery Drain after 4.3 update

    Quote Originally Posted by karansingh5 View Post
    Hi! I've been encountering the same problem. It persists even after the factory reset. Keep your mobile data on auto brightness, with everything else(like wifi, sync, bluetooth) turned off, battery dies within 4-5 hours! That's ridiculous when compared to the battery life I used to get before the update. Moreover, I'm encountering issues with charging as well, takes ages to charge!!! Like 10-12 hours!! Any help, suggestions?

    Posted via Android Central App
    Karan not sure about your issue. I already started to think that my issue might be an hardware issue because I had just got my motherboard replaced and few days later I upgraded to 4.3. So not sure what to blame.

    Lol..and the funniest thing is that Samsung Cust care don't even know that 4.3 has been released in India :P...didn't have much to expect from them after that.
  13. #13  

    Default Re: Battery Drain after 4.3 update

    I had on my Note 2 also a charging problem. But this was resolved when I start using the original charger with the original cable.
    I was using a charger with a very long and thin cable.
    You can also see what happens when you turn on the airplane Mode overnight.
    Does you phone go into deep sleep?
  14. Thread Author  Thread Author    #14  

    Default Re: Battery Drain after 4.3 update

    Quote Originally Posted by gdanonym View Post
    I had on my Note 2 also a charging problem. But this was resolved when I start using the original charger with the original cable.
    I was using a charger with a very long and thin cable.
    You can also see what happens when you turn on the airplane Mode overnight.
    Does you phone go into deep sleep?
    I am using the original charger
    Airplane mode I've not seen
    The phone does go into deep sleep but not more than 15 % of the entire time

    I browsed the gsmarena.com and I am finding almost exact observations that other people had.

    As per someone's suggestion, I am going to factory reset->firmware upgrade once again->factory reset . And I am going to use the Kies 2.6 and not Kies 3
    Those who did the upgrade through the above process reported no problems with 4.3, not even the battery issue. So I am gonna go ahead and give it a try.
  15. #15  

    Default Re: Battery Drain after 4.3 update

    If you don't get the deep sleep all the time. There must be a process getting it out of the deep sleep.
    If this also occur straight after reboot. Check the running processes after the reboot. It must be one of those apps or widgets.
  16. Thread Author  Thread Author    #16  

    Default Re: Battery Drain after 4.3 update

    Quote Originally Posted by gdanonym View Post
    If you don't get the deep sleep all the time. There must be a process getting it out of the deep sleep.
    If this also occur straight after reboot. Check the running processes after the reboot. It must be one of those apps or widgets.
    Did a Factory reset-> Firmware upgrade-> Factory reset.

    Slight improvement in the battery life. Not sure yet how it would turn out in the long run.
  17. #17  

    Default Re: Battery Drain after 4.3 update

    The usage is high due to Knox....
    Uninstall the same and it should bring battery to normal
  18. #18  

    Default Re: Battery Drain after 4.3 update

    Quote Originally Posted by Rakesh Hada View Post
    The usage is high due to Knox....
    Uninstall the same and it should bring battery to normal
    I wanted to put in the same message i found yesterday.
  19. Thread Author  Thread Author    #19  

    Default Re: Battery Drain after 4.3 update

    Note 2: Battery Drain after 4.3 update-2013-11-29-00.59.51.pngNote 2: Battery Drain after 4.3 update-2013-11-26-21.24.34.png

    This are what the wakelocks look like now.
    I think my problem has been solved, regained the awesome battery life of 4.1.2

    Others can try this too and share their observations.

    All I did was follow this sequence Factory reset->firmware upgrade->factory reset before use.
  20. #20  

    Default Re: Battery Drain after 4.3 update

    thanx
  21. #21  

    Default Re: Battery Drain after 4.3 update

    how to un install knox theres no option
  22. Thread Author  Thread Author    #22  

    Default Re: Battery Drain after 4.3 update

    Quote Originally Posted by Nishant Singh1 View Post
    how to un install knox theres no option
    open knox
    go to settings-> about knox
    uninstall option is present there
  23. #23  

    Default Re: Battery Drain after 4.3 update

    Hi Rishi,

    I am also facing the Battery Drain Issue after upgrading to 4.3 can you pls help with details steps to regain my battery life like 4.1.2. When using 4.1.2 i was getting almost for 2 days with my activity but now with the same activity it is not even coming for a half day. Pls Pls help me.

    Regards,
    Sreekanth
    lezcov likes this.
  24. #24  

    Default Re: Battery Drain after 4.3 update

    I am trying to unistall KNOX as well. it is listed in my application manager, but doesn't give me the option to uninstall. There is also no shortcut app to click on for this...help. Battery draining is fierce on 4.3.
  25. #25  

    Default Re: Battery Drain after 4.3 update

    Quote Originally Posted by Mandy Hart View Post
    I am trying to unistall KNOX as well. it is listed in my application manager, but doesn't give me the option to uninstall. There is also no shortcut app to click on for this...help. Battery draining is fierce on 4.3.
    let me guess: the people claiming you can uninstall are ROOTED.
    Verizon Note 2 on 4.4.2 and Gear 2
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