Battery drain issue after update - Samsung Galaxy S7 Edge Questions and Answers

I have s7e att version, after the newest update that came out a few days ago my s7e has been draining battery quicker than before. Like every 5 minutes it drops 1percent when using. I tried to rebooting the phone but still the same..
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I unpluged my phone from full charge an hour ago and right now im at 75 percent. I havent played any games or watched any videos..
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http://forum.xda-developers.com/s7-edge/help/how-experiencing-android-battery-drain-t3327730
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Battery after update

Any one having problems with there battery after the update. Android system useing 66% of my battery on idle. Never had battery problems before but after the update. Major battery issues. Anyone else having problems
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I have the same issue. Full re-charge last night. It was in sleep mode for 4 hours and it was at 93%. Checked battery usage, and Google Maps was at 27% - Display 30%.
Seems odd to me since i never opened up GMaps.
Maps has been OK for me. But drained 40% in 5 hours with no use
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you guys all stock rom? or oc?
Mine was even better. the first night after the 3.1 upgrade it stayed at 100% for couple of hours...
in fact now even with oc tiamat 1.4.2 kernel, it is 1% / hour if very light use, 10%-15%/hour if watching videos.
Stock here. auto-screen brightness. no task killers. Only change post 3.1, was buying Bang Bang Racing.
Stock haven't changed anything
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Just the update
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Sorry, mine was wifi xoom. How about yours? 3G model?
after the initial 3.1 upgrade i did feel like my battery was dying fast but I did not have to charge the Xoom From Thursday Night until Sunday Night and I used it all weekend.
With Tiamat installed and SetCPU lowering CPU usage while screen is off, I dont think I'll ever need to charge my xoom again
3g model
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cwalter24 said:
3g model
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Click to expand...
Click to collapse
Sorry my experience may not speak for 3G users.
My 3G Xoom depletes itself at about 3 times the speed of my ipad...playing angry birds or simply reading rss news feeds. From 100% to 29% in a few hours.
Do you guys have any background updates running? I have the wifi xoom and mine last 2 days with medium usage with background updates on.... just curious...
Sent from my HTC Evo
Nope no updates. So weird because battery lasted forever before the update
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Weird... just checked mine, android is at 18%, maps at 27% screen 28%, idle 15%
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My battery drain is about the same
Ok just checked mine. Android system . 49. Screen 29. Everything below 5% what the heck is going on
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I had the same problem with the battery running down very quickly. Did a factory reset, reinstalled my apps and everything's back to normal. Good battery life again.
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My battery is even better after the update.
im feeling the fast battery drain too. Wifi only but I can deal with it till I learn how to root it....

Battery problems bit serious

Few days back my battery suddenly got drained that too when I was sleeping. It was something around 35% before sleeping and it was fully drained by the morning.
This thing happened again but that time I fortunately got awake and charged it till 60% and again in next 2 hrs (when I was sleeping) it lost 20% of battery. Will try 2 attach this incidence pics.
In 3rd incidence I charged my battery fully and suddenly my phone got heated up and got switched off. Even after pressing switching on button it didn't start than I removed the battery and reinserted it. And than it got switched on automatically (without pressing the switch on button), at that time my battery got drained by 15% without any use.
What might b the reason for it? Even my cousin is facing similar prob.
Plz help
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Pic will tell u how fast it got drained when my use was minimum. usually I lost 5 to 7 % of battery when sleep
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this happens when you flash the ROMS quite often without calibrating the battery. First wipe the batterystats and let the battery drain completely and follow the procedure mentioned below:
1. try to calibrate the battery by switching off phone and plug the charger in, till it completes 100%. Once it gives the signal of 100%, then immediately remove the battery and wait for 5 mins and then reinsert the battery and power on(Entropy Method)
Sorry my friend... after going through your pic, I found there is a ANDROID OS bug. Try to flash the new firmware from sammobile or from the XDA forum (Example PDA: KJ3 and modem XXKI4). This will resolve your problem!
What rom are you using? I had a similar issue using gingermod and the cook said the oc was to mutch for me so I deleted ocdaemon and two weeks later still no problems.
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Can the overheating while charging caused by this?
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We need to know what rom your using. What apps are always syncing. More details please. Also download BBS (betterbatterystats) and look for wakelocks that could be stopping the phone from entering deep sleep
Weekday is the meaning of ROM, calibrating battery?
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I mean what is the meaning of calibrating battery, ROM, wakelock
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grgsiocl said:
Sorry my friend... after going through your pic, I found there is a ANDROID OS bug. Try to flash the new firmware from sammobile or from the XDA forum (Example PDA: KJ3 and modem XXKI4). This will resolve your problem!
Click to expand...
Click to collapse
But I checked it today morning only the firmware version was uptodate
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frnds plz reply. After reading that I have OS bug m getting tensed. For information (i don't know whether it is useful) my phone is not rooted.
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^ No need to worry. The OS bug is something that does exist, although often people look at a screenshot and give a false positive diagnosis, based on a small sampling. We need to know how much cpu time your things have on that graph, so do another screenshot but take screen shots of the values of each line, for example we need to see your details for screen on time, android os, the top 3-4 items really.
Next thing, like somebody said, dl better battery stats. It's a good app made by a clever chap on these forums. Charge the phone up and do what you do. When the battery is starting to be close to finished, take a screenshot from within the app for "partial wakelocks" The list can be long so sometimes you will need a few shots, as you scroll down the list.
Rule of thumb. Battery killers should float to the top of that list. High time (min/sec) and high count are equal culprits. Example, one thing may wakelock your phone for 15 minutes, in a single event, another thing may wakelock you for a total of 3 minutes, but occurring in a thousand split second events. Imagine waking up every minute, for a second then sleeping again. If you were a battery doing this you would drain quickly too!
If your wakelocks are low and display time is low, your battery is either not calibrated (instructions a few posts up) maybe changing ROM and kernel could help, but now we are approaching the possibility that your battery might be defective and a warranty swap could be in order.
Thanks for the reply.
Here are few pics of top 5 items on that list.
Although der was sudden fall in battery but it was due 2 my use
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Can u give me the link of better battery stats. Or tell me where will I get that
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shantanuparadkar said:
Can u give me the link of better battery stats. Or tell me where will I get that
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Click to expand...
Click to collapse
here you go
http://forum.xda-developers.com/showthread.php?t=1179809
If i am of any help, press thanks button
From your screenshots, I could see that, google backup transport may be the reaason for battery drain. Go to settings->privacy-> disable the backup and restore and then see if it make any difference!
Thanks a lot.
I have disabled it (backup think)
can i upload the pics immediately from BBS app? i mean will it show the proper records? or should i wait till it get drained out?
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shantanuparadkar said:
Thanks a lot.
I have disabled it (backup think)
can i upload the pics immediately from BBS app? i mean will it show the proper records? or should i wait till it get drained out?
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Click to expand...
Click to collapse
You can post the screenshots. After using a while. Post the screenshots with partial wakelocks, then we see what applications are draining the battery.
Here are the pics from bbs
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Frnds plz reply.
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I would like to know why too
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Frnds plz somebody reply m getting tensed about my battery
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Time for a new battery or is this normal?

One phone call
20-30 texts
Browsing xda for 15 minutes
And like ten minutes of music
Took phone off charger at 7:17am. Its 12:14 and its in the red!
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How old is the battery? You can pick up OEM Samsung replacements for like $7.00 on amazon. I have 3 myself.
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Its the same battery since new. Yea I order two just now
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Have you tried using a different kernel? Matr1x and marmite work best for me!
Well running pacman rom with matrix so gonna see how that does
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Did you turn off auto-sync?
Looks normal to me lol... I'm getting horrible life... My 4G never turns off and I'll get maybe 3hrs screen-on time... Running stock 4.2
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since you're talking about battery issues, idk if this is "normal" or not, but just now, my battery was at 38%, so i started to plug it in, tried doing a reboot and when it finished rebooting within seconds, all of a sudden, the battery jumps up to 60%...i think my phone's battery is fu**ed up
explorer-10 said:
since you're talking about battery issues, idk if this is "normal" or not, but just now, my battery was at 38%, so i started to plug it in, tried doing a reboot and when it finished rebooting within seconds, all of a sudden, the battery jumps up to 60%...i think my phone's battery is fu**ed up
Click to expand...
Click to collapse
that always happen to me too ... deleting stats isn't usefull ... maybe it's a battery problem ... my battery isn't perfect but it can make about 2 - 2.30 screen on time and a total of 14 hours all sync active ... a newer battery could give me probably some more juice
Yea same result running matrix so I think its the battery
Hopefully.....
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I forgot to mention that my battery was replaced a few weeks ago!
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using straight aosp 4.2 with any kernel gets me at best, 5 hours of standby time. I noticed this about a month ago and immediately started looking for ways to prolong my battery life. What seems to be working best for me is disabling mobile data when I'm not using it. Just this one setting gives me a boost from 4-5 hours in standby to well over 12 hours of normal use (of course, with the exception of any web service). I have come home from 13 hour shifts and still had 30-40% battery left several times!! However, this only happens if I disable mobile data.
Something needs to be done....and QUICKLY!!! My phone is pretty damn well useless for anything involving internet connectivity unless I'm using wifi
btw, my battery is about 14 months old.
I'm pretty sure the battery drain is from 4.2, when I was running 4.1 I had no issues

Please Help Crazy Battery Drain!!

Ever since I purchased my Note 3 I have been having crazy battery drain. My phone won't make it past 4 hours. I tried doing a hard reset and it made it for about 11 hours but once I put my apps back on it starts draining crazy again
I have to charge it about 5-6 times a day. For example this morning It has been of the charger for an hour and is down to 78%. In the battery stats it shows media server is using all the battery and I can't for the life of my figure out why or what app could be causing it. My phone also won't update every time I check for one it fails. I havent rooted it or anything I just need it to last as long as my Note 2. Any help is greatly appreciated!!
Which apps did u installed on ur cell...
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Try watchdog app it does a decent job telling you what's going on in the back ground
tunechi_95 said:
Which apps did u installed on ur cell...
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Click to expand...
Click to collapse
There is a bunch I will try to post them all once I compile a list
Howard Forums
detr0yt said:
Try watchdog app it does a decent job telling you what's going on in the back ground
Click to expand...
Click to collapse
Going to install it now thank you
May be the apps u r using... May cause the battery drain
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Here is screen shots of all the apps aside from what came allready on my phone.

THAT Bluetooth Bug on KitKat ROMs.

Sorry if I've missed something here guys but I noticed mention of the Bluetooth wakelock bug on KitKat builds. I had it too within hours of flashing it I had over 1 hour odd of keep awake in battery stats.
After going into Bluetooth and enabling it then disabling it, it still hasn't increased it seems to have stopped for now. Can anyone replicate this or explain this? I haven't had time to grab a logcat and look at it yet I'm at work currently.
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Just reboot.
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Read something about this, somewhere.. if only I could remember now. In KitKat, Bluetooth isn't actually eating up the battery when it's not being used.
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But its visibly keeping the phone awake. So it must be using it I never had it enabled before it appeared in battery stats.
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I posted data thought about this at another thread where what I think is that just WiFi in 4.4.2 Bluetooth is always on although disabled but it should not be consuming battery(thanks to the low energy) unless it's connecting to other devices in fact I actually tend to use Bluetooth 50% of the time to play games with my moga and music in the car or with my deck at home and still get 15 hours easy
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Yeah I spoke too soon its updated to 9 hours keep awake now but I have 3 hours screen on time and still at 50 percent battery so I don't think its actually using much if anything
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