10-11-2014 02:58 PM
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  1. colosocool's Avatar
    I will wait your test with a New Battery.. Have 2 batteries is a good idea, you dont need to be quiet with only one... Just relax if one get dead you just put the other one and that's all

    Enviado desde mi GT-N7100 mediante Tapatalk
    01-18-2014 07:39 AM
  2. saxojon's Avatar
    l didn't have that problem up until recently. Now, this is how my battery drains.

    http://imgur.com/4VXlU4V

    Posted via Android Central App
    01-18-2014 08:06 AM
  3. Christos Terzis's Avatar
    Alright folks, I think I have finally managed to solve the battery drain problem, thank God!
    The bad news is that it cannot be done without your phone being rooted.
    So firstly root your phone in the manner my friend Serkansancak described in the post above (though you don't need Kies at all).
    After you remove all the Knox bloatware and anything else you don't like, install Lucky Patcher (Google it).
    This is usually used to remove licenses from pirated apps, But it also does something else which we will need to use:
    It removes Google ads! And these are that keep our phones awake.
    In the faulty 4.3 Samsung update apps with Google Ads always try to connect and sync thus keeping the phone awake.
    In Luvky Patcher go into each app individually and choose "Remove Google ads".
    Then choose "Patch to remove Google ads" and press "Apply". Rarely will you have 100% success but it doesn't matter.
    Then repeat the process and this time press "Disable Ads Activities" and press each activity that is used for advertising (They are usually in orange colour).
    It is time consuming but it's worth it. Now have a look at the screenshots I uploaded.
    They show only 3% wakelock instead of the 65-85% that was before and the battery only went down to 98% from 100% in 2.5 hours!
    My battery life now is better than on 4.1.2! I hope it stays that way. So go ahead and try it for yourselves.Galaxy Note 2 - Massive battery drain after 4.3 update-screenshot_2014-01-18-15-38-17.pngGalaxy Note 2 - Massive battery drain after 4.3 update-screenshot_2014-01-18-15-38-32.pngGalaxy Note 2 - Massive battery drain after 4.3 update-screenshot_2014-01-18-15-38-52.pngGalaxy Note 2 - Massive battery drain after 4.3 update-screenshot_2014-01-18-15-53-12.pngGalaxy Note 2 - Massive battery drain after 4.3 update-screenshot_2014-01-18-15-53-23.pngGalaxy Note 2 - Massive battery drain after 4.3 update-screenshot_2014-01-18-15-53-28.pngGalaxy Note 2 - Massive battery drain after 4.3 update-screenshot_2014-01-18-15-53-33.pngGalaxy Note 2 - Massive battery drain after 4.3 update-screenshot_2014-01-18-15-53-39.pngGalaxy Note 2 - Massive battery drain after 4.3 update-screenshot_2014-01-18-15-53-52.png
    msndrstood likes this.
    01-18-2014 08:10 AM
  4. Christos Terzis's Avatar
    Update. The phone had an excellent battery life for about three hours. I then made a couple of phone calls and the drain started again. About 64% awake time. As usual Android OS was the culprit. It seems that this Samsung 4.3 update is so messed up that nothing can save it. I will have to decide if I'm going to carry a spear battery with me or downgrade to 4.1.2. Can anyone give me detailed instructions how to downgrade?
    01-18-2014 01:53 PM
  5. Christos Terzis's Avatar
    I have downgraded to 4.1.2. using Mobile Odin and a 4.1.2. official firmware from Sammobile. No need for PC. I'll let you know soon how the battery goes.
    01-19-2014 02:52 AM
  6. parsifal56's Avatar
    Hi, but I am not sure this is due to 4.3 upgrade. For me, the drainage started about a week after the upgrade on my Note 2, but a friend with Note 2 has yet NOT upgraded, and she has the same issue - the exaxtly same issue. And it has lasted now for approx. a month.
    01-19-2014 04:13 AM
  7. Christos Terzis's Avatar
    I flashed two different official 4.1.2 firmwares on my phone. Reason being that I could not register on a GSM network and I still can't. Both gave me the previous excellent battery life that my phone had. So the battery drain is definitely a 4.3 mess up and I don't think that anything much can be done about it. I just hope I can find a firmware that gives me GSM access so I don't have to go back to 4.3.
    01-19-2014 07:57 AM
  8. najwans's Avatar
    '4.3 came with a nifty built in widget that shows currently running process and which ones are draining your battery'

    Where can I find this widget?

    Thanx

    Posted via Android Central App
    01-19-2014 10:00 AM
  9. ehosey2's Avatar
    It is called Active Apps Manager. It should already be a selection inside the widgets section.



    Sent from my Galaxy Note 2.
    808TBolt likes this.
    01-19-2014 10:27 AM
  10. najwans's Avatar
    It is called Active Apps Manager. It should already be a selection inside the widgets section.

    http://img.tapatalk.com/d/14/01/20/ysyna7aj.jpg

    Sent from my Galaxy Note 2.
    Thanks buddy. Seems 4.3 on the s3 doesn't have that widget. Sorry to barge in on ur note2 discussion but I'm experiencing same battery drain issue after upgrade. Gonna disable G+. Barring that I think the only thing left to do is giving samsung/touchwiz a big up urs and going back to custom roms.

    Posted via Android Central App
    01-19-2014 10:53 AM
  11. ehosey2's Avatar
    ^ I also disabled G+ since I don't use it but my battery life is really good since 4.3 update.

    Sent from my Galaxy Note 2.
    01-19-2014 10:55 AM
  12. ehosey2's Avatar
    And I can't speak on any S3 issues since yeah....I have a Note 2.

    Sent from my Galaxy Note 2.
    01-19-2014 10:57 AM
  13. Chris Flowers's Avatar
    I flashed two different official 4.1.2 firmwares on my phone. Reason being that I could not register on a GSM network and I still can't. Both gave me the previous excellent battery life that my phone had. So the battery drain is definitely a 4.3 mess up and I don't think that anything much can be done about it. I just hope I can find a firmware that gives me GSM access so I don't have to go back to 4.3.
    Barely 24 hours and you've fully tested two 4.1.2 builds!?

    Honestly believe you're chasing red herrings. All the time and effort you're wasting watching the percentage!

    It's not 4.3. Something else is your problem. There are plenty of Note II users having great battery life on 4.3, myself included. I honestly believe there is some sort of bedding in period after upgrading or factory resetting as Google services seem to increase their battery draw for a limited time and it skews results leading you to believe there's a problem. I mean, have you persevered with 4.3 for a month or so? This was certainly my experience with 4.3 and that of my wife's S3 on 4.3. Poor battery performance initially but stabilises after time. I don't know why.

    It's that or your battery is just shot.

    Sent from my GT-N7105 using Tapatalk
    01-19-2014 06:54 PM
  14. chandra sekkhar's Avatar
    Try installing Battery Doctor and Clean Master.
    01-20-2014 05:46 AM
  15. Christos Terzis's Avatar
    Ι have 4.3 on again . The official release. And battery life is just great (for now). I had the 4.3 for more than a month with bad battery life. That is why I tried all solutions I could find. I changed the 4.1.2 releases in 24 hours because they would not connect to a GSM service in my country so they were useless. Anyway I am on 4.3 and unrooted now and hope to stay that way.
    Barely 24 hours and you've fully tested two 4.1.2 builds!?

    Honestly believe you're chasing red herrings. All the time and effort you're wasting watching the percentage!

    It's not 4.3. Something else is your problem. There are plenty of Note II users having great battery life on 4.3, myself included. I honestly believe there is some sort of bedding in period after upgrading or factory resetting as Google services seem to increase their battery draw for a limited time and it skews results leading you to believe there's a problem. I mean, have you persevered with 4.3 for a month or so? This was certainly my experience with 4.3 and that of my wife's S3 on 4.3. Poor battery performance initially but stabilises after time. I don't know why.

    It's that or your battery is just shot.

    Sent from my GT-N7105 using Tapatalk
    Chris Flowers likes this.
    01-20-2014 11:36 AM
  16. Aamir India's Avatar
    Hi Friends,

    When I read the solution, I was little worried to go with the steps but eventually did so on the last w/e. And got rid of KNOX for good.
    Initially my battery drain felt to be fixed but is it still there...
    But now my phone is rooted at least

    By the way, the battery drain may not have a solution in 4.3.
    Please read: Galaxy S4, Galaxy S3, Galaxy Note 2 10 Major Issues from New Official Android 4.3 Jelly Bean in the U.S. - International Business Times
    01-21-2014 04:28 AM
  17. Christos Terzis's Avatar
    Hi Friends,

    When I read the solution, I was little worried to go with the steps but eventually did so on the last w/e. And got rid of KNOX for good.
    Initially my battery drain felt to be fixed but is it still there...
    But now my phone is rooted at least

    By the way, the battery drain may not have a solution in 4.3.
    Please read: Galaxy S4, Galaxy S3, Galaxy Note 2 10 Major Issues from New Official Android 4.3 Jelly Bean in the U.S. - International Business Times
    Αamir here is something I found out yesterday. When I went back to 4.3 I installed all my previous apps, not from a backup but one by one. I had forgotten only one. It was sheer providence I believe. That one was the Automatic Call Recorder by App.liqato (Appstar Solutions). It was an application that had an exemplary performance on 4.1.2. So I installed it yesterday. An hour and a half after the installation my battery went from 100% to 85%! The wakelock apps showed the dreaded "battery monitor" and "suspend backoff" again and wakelock time was at 85%! I uninstalled immediately and my battery life is great again. It would seem that the application is not totally compatible with 4.3. Notice that no battery monitor or wakelock app showed it as the culprit. But still, that was ahat was draining my battery. If you have it installed uninstall it and see if it works for you too. Hope it helps.
    DrDrag likes this.
    01-21-2014 11:15 PM
  18. 1812dave's Avatar
    Αamir here is something I found out yesterday. When I went back to 4.3 I installed all my previous apps, not from a backup but one by one. I had forgotten only one. It was sheer providence I believe. That one was the Automatic Call Recorder by App.liqato (Appstar Solutions). It was an application that had an exemplary performance on 4.1.2. So I installed it yesterday. An hour and a half after the installation my battery went from 100% to 85%! The wakelock apps showed the dreaded "battery monitor" and "suspend backoff" again and wakelock time was at 85%! I uninstalled immediately and my battery life is great again. It would seem that the application is not totally compatible with 4.3. Notice that no battery monitor or wakelock app showed it as the culprit. But still, that was ahat was draining my battery. If you have it installed uninstall it and see if it works for you too. Hope it helps.
    I have had Automatic Call Recorder installed for months and have zero issues with it and battery life on either 4.1.2 or 4.3. Apparently your mileage may vary or perhaps its a combination of certain apps that causes ACR to appear to be a culprit in dismal battery life. Just a thought.
    Christos Terzis likes this.
    01-21-2014 11:27 PM
  19. Alcorn57's Avatar
    I have exactly the same problem,even changed battery for new one ,it used to last about two days now im lucky if I get eight hours of use from it.

    It also now keeps dropping internet ,that I have used for years at home at work etc , stating service is unstable ,my wife is sat next to me using same service with no problems I have read on the internet Samsung have real problem with the update ,but have not announced a fix for it
    01-27-2014 09:17 AM
  20. Jude526's Avatar
    That's weird. My battery is fine

    Sent from my SCH-I605 using AC Forums mobile app
    01-27-2014 08:31 PM
  21. Aamir India's Avatar
    Αamir here is something I found out yesterday. When I went back to 4.3 I installed all my previous apps, not from a backup but one by one. I had forgotten only one. It was sheer providence I believe. That one was the Automatic Call Recorder by App.liqato (Appstar Solutions). It was an application that had an exemplary performance on 4.1.2. So I installed it yesterday. An hour and a half after the installation my battery went from 100% to 85%! The wakelock apps showed the dreaded "battery monitor" and "suspend backoff" again and wakelock time was at 85%! I uninstalled immediately and my battery life is great again. It would seem that the application is not totally compatible with 4.3. Notice that no battery monitor or wakelock app showed it as the culprit. But still, that was ahat was draining my battery. If you have it installed uninstall it and see if it works for you too. Hope it helps.
    Thanks Christos for pointing out Auto Call Recorder but I never had it. But since KNOX has been removed my battery life has improved but not to what I had on 4.1.2. At times it is good but at times Android OS seems to be eating the battery rather than any application. Can you please point me to the link from where you followed instructions to go back to 4.1.2 (mine is an international version of Note II)? And how has been your battery life with 4.3 now? Thanks in advance!!
    charleslimkg likes this.
    02-01-2014 10:14 AM
  22. amcjavelinsst's Avatar
    I updated to 4.3 a few days ago
    No issues that I notice really
    One thing I did not select was for Google to scan for malicious apps or something of the sort
    I use Avast and am happy for that to do its own thing
    Just putting it out there
    Cheers

    Sent from my GT-N7105T using AC Forums mobile app
    02-01-2014 08:36 PM
  23. DrDrag's Avatar
    THX!
    02-04-2014 10:04 AM
  24. DrDrag's Avatar
    Thanks Christos! After uninstall Automatic Call Recorder my Note2 seems working properly again! No more battery gobbling
    02-04-2014 10:05 AM
  25. Christos Terzis's Avatar
    Thanks Christos for pointing out Auto Call Recorder but I never had it. But since KNOX has been removed my battery life has improved but not to what I had on 4.1.2. At times it is good but at times Android OS seems to be eating the battery rather than any application. Can you please point me to the link from where you followed instructions to go back to 4.1.2 (mine is an international version of Note II)? And how has been your battery life with 4.3 now? Thanks in advance!!
    Ηello Aamir. This is the link. Be warned though that you may end up with a phone that does not have gsm recognition for your area. If that is the case only the official 4.3 update for your area from Sammobile will do. Link for installing 4.1.2 and unrooting: How to Unroot Samsung Galaxy Note 2 GT-N7100 to Official Firmware [GUIDE]
    02-09-2014 12:24 PM
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