Horrible battery drain with JB update....

Discussion in 'Samsung Galaxy S3' started by MyEntityRemains, Dec 15, 2012.

  1. k1ngr4t

    k1ngr4t Senior Member

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    Man I'm telling you, this isn't everyday normal battery drain from too much use. This is obviously extreme drain to where you know something is wrong. Plus I still shouldn't have to use it unless absolutely necessary. I don't think I've even used it once since I bought the phone. And I also use my phone for games, and the battery saver really does slow them down after 50%.

    Unfortunately I was busy yesterday so I didn't get a chance to backup/reset but hopefully I'll get to it tonight.
     
  2. music life

    music life Member

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    Yeah I went to sleep with over 23% and woke up to my phone dead... Usually 23% lasts me all day if im not using my phone.
     
  3. k1ngr4t

    k1ngr4t Senior Member

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    ^^For sure. Mine would've been closer to maybe 15% if it were like it used to be on ICS...depending on how much sleep I got.

    Now did the FDR help your battery life at all? Also did you take it OTA or flash it?
     
  4. music life

    music life Member

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    FDR didnt help a thing from what I can see. All my problems are still there. And I took the OTA
     
  5. MyEntityRemains

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    At first I thought FDR helped mine, but not the case. Yes, I have battery saver on. But I shouldn't have to start turning off Maps, Google Now, and such that rely on location. I like location on for weather, etc.....Obviously a battery draining bug in JB...With the exact same settings, ICS lasted a day and a half easily....If I can get 8 hours now with JB, I'm lucky!
     
  6. BrendonSF

    BrendonSF Member

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    I agree, but unfortunately it just might be the case until google rectifies this. The good news is that my battery life is now better than ever.
     
  7. MattE303

    MattE303 Active Member

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    I also noticed significantly increased battery drain after the update. I switched my Network from Global to CDMA/LTE thinking maybe it was wasting energy scanning both radios, but I think the real killer was a couple of other settings that the update (re)enabled that I had turned off; the SmartStay option in the Display settings, and the option in S-Voice settings where it continuously monitors the microphone, waiting for you to say the 'magic wake-up command', that one even says it will drain your battery! With all that stuff on, my battery usage list would show "Screen" as the top item, and that was with the phone sitting untouched in sleep mode for several hours after taking it off the charger! I also found a couple of the "location update" related settings turned on that I was pretty sure I had disabled. I'm not sure which of those made the most difference (I suspect it was the S-Voice thing), but after putting all that back the way I had it before the JB update, my battery usage is back to normal.

    If you haven't already checked those, give it a try.
     
  8. MyEntityRemains

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    I just tried your suggestions. Will now wait for results.
     
  9. k1ngr4t

    k1ngr4t Senior Member

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    I reset today and everything is exactly back to how it was. I used to always use SmartStay on ICS with no problem, but I'll try turning it off too. The S-Voice setting makes a lot of sense though.

    Only thing is Android System is generally the biggest battery killer for me. So I think it has something to do with either WiFi or GPS. Guess we'll find out...
     
  10. MattE303

    MattE303 Active Member

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    GPS is a known battery killer, I keep mine off unless I actually need it (eg. using Navigation), then turn it back off. If I leave GPS on, "Maps" jumps up into the top 3 battery burners list even though I'm not actively using any Map-related apps.

    I can't say I've explicitly isolated SmartStay as a heavy battery user, but given what it does (continually monitor the camera and run a pattern recognition algorithm to figure out if you're looking at the phone) it just seems like it would have to burn a fair amount of juice.
     
  11. k1ngr4t

    k1ngr4t Senior Member

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    I know, I know. But the point is to replicate my ICS settings 100%. In fact, I've stopped using WidgetLocker for the time being to see if that makes a difference. On that note, when I don't use it, it seems to be worse.

    Only GPS I had checked was Google and everything worked perfectly. Plus I'm 97% sure Android System is seperate from Maps. Also, this drain is worse when setting up widgets than when I used to actually use navigation, which left the screen on. Thus, I really doubt it IS GPS. But I also wouldn't be surprised if it's somehow factoring in. Last time I had this exact issue, turning WiFi off when asleep was the only thing that fixed it.

    Too soon to decide though, we'll see. And I don't necessarily need all these new features, but I do need good battery life. So if this still doesn't fix it, I'm probably flashing back to ICS for awhile. I miss not having to worry about battery at all...



    After a full day of use tomorrow trying to imitate just a normal day on ICS, I'll take a GSam screenshot to compare the two for me.
     
    #47 k1ngr4t, Dec 21, 2012
    Last edited: Dec 21, 2012
  12. MyEntityRemains

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    I agree with everything you said! If I can't get this battery usage reasonable, I'll go back to ICS or a different phone. The features are not worth the battery drain to me!
     
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