06-13-2018 01:16 PM
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  1. kristysnyder's Avatar
    Does anyone have any alternative suggestions for the Wakelock app? Apparently you need to root your phone to use it now, which I don't want to do.
    10-01-2014 01:34 PM
  2. Taraneh Kohanim's Avatar
    my phone also drains too fast, and its brand new.
    how did you discover that a game was at fault? how do i check if i have that problem?
    my battery usage says "screen" is taking 38% - but my screen's brightness is so low... please advise. TIA
    10-02-2014 01:26 PM
  3. kevviemetal's Avatar
    I've got the same thing going on since KitKat was installed on my S4 a few months back. I've taken to carrying spare batteries with me and have gone through five in a day. Other times it's fine. I did install a battery monitoring app and there are two culprits -- Why is My Samsung Galaxy S4 all of the sudden draining so quickly-screenshot_2014-10-02-10-55-19.jpg Why is My Samsung Galaxy S4 all of the sudden draining so quickly-screenshot_2014-10-02-10-55-24.jpg

    Thoughts? Ideas? Advice? After loyally using Samsung Galaxy phones for several years, I'm seriously considering moving to something else. This is ridiculous.
    10-02-2014 01:51 PM
  4. kristysnyder's Avatar
    I'm also having the same issues with my battery draining. I installed GSam and my biggest culprits are Android System at 21.9%, Kernel (Android OS) at 16.9%, Android Core Apps at 6.8%... what are all of these processes and is there anything that can be done to lower their battery usage? It seems like the Android OS /System processes/whatever else is working too hard in the background. I have most of the high-tech features turned off, so I'm not sure why there are so many different system/OS things happening. I just don't know why this is draining the battery so much!
    10-06-2014 09:32 AM
  5. kevviemetal's Avatar
    Bueller? Bueller? Anyone? Anyone?
    kristysnyder and Adge23 like this.
    10-09-2014 01:22 PM
  6. Adge23's Avatar
    Bueller? Bueller? Anyone? Anyone?
    I have yet to find a satisfactory solution for this problem that I have also been having, and since I only have one post in this forum, I can't post a link here; however, there is some helpful information if you Google search "Support S4 gets hot+drains battery in 4-5 hours staying AWAKE all the time" on the androidforums [dot] com Phandroid forum. No one has solved the problem for me yet, but maybe it will help some of you.
    10-27-2014 07:22 AM
  7. dinosf's Avatar
    Well I've been combing the chats for months seeking solutions to the same problem. Mystery battery drain. Did a hard reset. Replaced the battery. Uninstalled numerous apps. Did all the power-saving tips. Nothing was working. Finally I found my problem...
    NEW MICRO SD CARD!
    Replaced my old one last night (transferred contents first), and today, it's like an entirely new phone!!!! I am so relieved, as this was just driving me crazy. I've been using the phone normally all day and after about 11 hours I'm still at 65% battery. Formerly unheard of. I'm sure this isn't the solution for everyone, but I'll confirm that it worked for me. Now I might see if reformatting the old Micro SD will revive it.
    11-06-2014 07:29 PM
  8. John Hennessy2's Avatar
    Samsung 6000 mah external battery at $60 on android central shop will solve many battery drain problems --- will recharge S4 2.5 times --- can be recharged itself in 3.5 to 4 hours from zero ---

    So will a genuine Samsung 2A charger and cord --- $15 at same shop --- will recharge phone in a little over 2 hours---

    "ALL" smartphones in the last 4 years will rapidly drain batts unless you're only using them to make and receive calls, ---

    If you're using them as pocket computers, game players, music players, map navigators, texters, and whatever else, you're going to rapidly drain the batt --- and wear it out prematurely --- and you WILL need one or more high power external batts --- or keep it plugged in almost constantly ---

    It's either that or a phone that's monstrously thick to hold a gigantic battery ---

    Posted via Android Central App
    11-06-2014 09:52 PM
  9. Adge23's Avatar
    Well I've been combing the chats for months seeking solutions to the same problem. Mystery battery drain. Did a hard reset. Replaced the battery. Uninstalled numerous apps. Did all the power-saving tips. Nothing was working. Finally I found my problem...
    NEW MICRO SD CARD!
    Replaced my old one last night (transferred contents first), and today, it's like an entirely new phone!!!! I am so relieved, as this was just driving me crazy. I've been using the phone normally all day and after about 11 hours I'm still at 65% battery. Formerly unheard of. I'm sure this isn't the solution for everyone, but I'll confirm that it worked for me. Now I might see if reformatting the old Micro SD will revive it.
    I tried reformatting my old card and then copying my files back onto it, and that didn't help my battery drain. I appreciate the suggestion. One thing I can't do, though, is go out and buy a new 128 GB microSD card to see if mine's corrupt or something. I mean, it worked fine for months after I got it, and then suddenly this battery drain and overheating problem started, so I really don't think it's my card.


    Samsung 6000 mah external battery at $60 on android central shop will solve many battery drain problems --- will recharge S4 2.5 times --- can be recharged itself in 3.5 to 4 hours from zero ---

    So will a genuine Samsung 2A charger and cord --- $15 at same shop --- will recharge phone in a little over 2 hours---

    "ALL" smartphones in the last 4 years will rapidly drain batts unless you're only using them to make and receive calls, ---

    If you're using them as pocket computers, game players, music players, map navigators, texters, and whatever else, you're going to rapidly drain the batt --- and wear it out prematurely --- and you WILL need one or more high power external batts --- or keep it plugged in almost constantly ---

    It's either that or a phone that's monstrously thick to hold a gigantic battery ---
    I have a 5200 mAh Anker brand extended battery that worked wonders for over a year. Then this problem started, so I thought it might be the battery. Got a replacement, but the problems with battery drain and (some) overheating don't really seem to be going away.

    I'm at a loss here, really. I've tried so many different fixes, and none have worked. I don't use my phone like a mini-PC as you described. Pretty much never play a game or watch videos or anything like that. Mostly use my phone for email and occasionally for Facebook. Another weird problem that popped up recently, though, was immense amounts of network data being eaten up by apps in the background. For example, The Weather Channel and PayPal devoured about 300 MB each in the background in the span of 10 days, with maybe 10 MB of foreground data used. I've almost never go over 3 GB of data used each month, but last month I was at 3 GB after ten days, so I had to keep my Wi-Fi on for the rest of the month to avoid going over my quota. TWC app has a widget that I use, but I don't think that would be causing so much data to be gobbled up in the background. PayPal app I don't even use, so what business does it have using up 300 MB of network data in 10 days? I had to completely uninstall some sports apps that I used to use because those were chowing down on network data in the background, too. These are all apps that I've had installed for months and have never given me a problem before, mind you. I really think there's some background process in Android System (as opposed to Android OS) that is running constantly and causing all of these problems, but short of rooting my phone or doing a factory reset, I haven't heard anyone come up with a way for me to figure out exactly what the process is (or processes are) that have caused these problems.

    I'd appreciate hearing any other theories as to why my apps would be using up so much background data and why my phone is staying awake all the time. I've even gone back and uninstalled any new apps that I downloaded or even updated just prior to when this battery drain/overheating problem started on my phone. Still no resolution.

    My turned off apps, just in case anyone thinks those may be the culprit, appear in the attached photo.

    Thanks in advance for any help and advice.
    Attached Thumbnails Why is My Samsung Galaxy S4 all of the sudden draining so quickly-turned-off-apps-2014-11-17-19.26.54.jpg  
    11-17-2014 03:52 PM
  10. iman ode's Avatar
    OK. Download the app "Wakelock detector." That should tell you what's keeping the phone awake and causing the drain

    Sent from my Galaxy S4 running SlimKat 4.4.2
    Posted via the Android Central App
    11-28-2014 09:21 AM
  11. sjmondo2's Avatar
    I wanted to thank everyone for their input. It was the SD card for me, too. I was ready to take a mallet to it, it was draining so fast. It happened all of a sudden just like everyone else. If you are having this problem, try out a new (or different) card. Thanks again !
    12-08-2014 02:01 PM
  12. Tony Chadwick's Avatar
    My Samsung galaxy s4 is running down guickly
    12-10-2014 03:40 AM
  13. wetermommy's Avatar
    Mine goes from 100% to dead in less than 3 hours. and always hot (top half hot when off charger and whole back of phone hot when I Samsung charger).

    Posted via the Android Central App
    12-10-2014 06:44 PM
  14. extraclass's Avatar
    Do a search on battery Life here on this forum and you should find lots of information about this problem. Usually it is apps running in the background that do not close just because you go to another app. Press and Hold the home key to see what is running!
    12-14-2014 08:56 PM
  15. Christopher Zannini's Avatar
    One of the biggest drains on the battery happens if you are in an area with poor reception. When signal strength is poor, the phone boosts up its signal power output way up. This will cause the battery to drain very quickly - as fast as 2-3 hours - and cause the phone to get warm. Put the phone in airplane mode and you will see the battery life goes back to normal
    12-20-2014 07:44 PM
  16. ron Horowitz's Avatar
    I had the same exact issue with a battery that was less than seven eight months old the thing was draining draining draining I went ahead and tried everything finally decided to go ahead and try another battery luckily I have a spare 14 in the phone and the phone started working normally once again however I'm befuddled as to why destroy that battery ?

    Posted via the Android Central App
    12-24-2014 02:55 AM
  17. RooftopSnipper's Avatar
    I have a similar problem and I believe it has to do with a samsung update as someone suggested. After the latest update last week, my battery runs down now within 4 hrs.
    01-14-2015 06:49 AM
  18. bullwhipst's Avatar
    I have the same exact problem as you. It was from an update this week too and my battery has been draining so fast. Even if I keep it charged it would be charging so slow because the battery is draining almost at the same rate as it is being charge.
    01-17-2015 04:16 PM
  19. LittleIkoBear's Avatar
    Mine too - started on Jan. 18th for me - I even tried to set the restricted mode to limit background & that didn't work either!
    01-21-2015 03:26 PM
  20. Sarahcita's Avatar
    Hi, new to the forum, but I've had Samsung cellphones for years. Last week, my S5 Active with OEM battery started draining in just a few hours, and stayed very warm in my pocket with minimal updates scheduled. I discovered that the reception was very poor, and it was joining different wifi networks, then dropping when the signal got poor, then joining again. This went on all day, probably 20 times an hour. I think this must have contributed to the problem of poor battery life. Btw, I don't keep location or bluetooth on all day. My other problem was that it would get hot when charging on OEM charger, taking 4-5 hours to fully charge. It finally got so bad that I had the phone in airplane mode most of the time, which is not what I got the cellphone for!
    I decided to let the battery drain fully, then pulled it out of the phone for a couple of hours, then put it back in and charged it fully with power off. As soon as it hit 100%, I unplugged it, turned it on and put it in airplane mode for about 10 minutes. Everything stayed cool. I took it out of airplane mode, then turned on wifi , as that is my usual mode at home (it is now a much more stable zone of reception). Ta-da! Everything stayed cool, even with the screen at 1/2 brightness and wifi on. It started to get a little warm when I watched videos for about 1/2 an hour, but the battery stayed charged just like it used to. I can now get my full 1 day of use on a battery charge.
    Hope this helped someone.
    Sarah
    01-31-2015 10:19 PM
  21. Paul cornthwaite's Avatar
    maybe it had something to do with my sim card going bad also. I just lost 7GB of pics and video, mostly of my 2 yr old daughter. Card is coming up damaged on phone and it is telling me to format. might as well now. tried to get pics off through PC also. No good. darn. My own fault. I noticed it's been having problems for the past year or so. Its from my previous droid. It must be about 3.5 yrs old now.
    DO NOT FORMAT SD CARD use a program called recuva on PC
    02-05-2015 01:13 PM
  22. Kris Garvey's Avatar
    Samsung 6000 mah external battery at $60 on android central shop will solve many battery drain problems --- will recharge S4 2.5 times --- can be recharged itself in 3.5 to 4 hours from zero ---
    So will a genuine Samsung 2A charger and cord --- $15 at same shop --- will recharge phone in a little over 2 hours---
    "ALL" smartphones in the last 4 years will rapidly drain batts unless you're only using them to make and receive calls, ---
    If you're using them as pocket computers, game players, music players, map navigators, texters, and whatever else, you're going to rapidly drain the batt --- and wear it out prematurely --- and you WILL need one or more high power external batts --- or keep it plugged in almost constantly ---
    It's either that or a phone that's monstrously thick to hold a gigantic battery ---
    Posted via Android Central App
    Ummmm... I'm sorry, which phones do you exactly mean by "ALL"??? I was under the impression that SMART phones were in fact "pocket computers"... I mean, they are MADE to run every app you can think of, and play HD movies, and play music while browsing Facebook. I guess by your logic, cars should only be used in one's driveway, just started up every so often to keep the pathways clear, and to be admired from outside, not actually DRIVEN anywhere. Why waste gas?
    05-06-2015 06:26 AM
  23. Vasco Pyjama's Avatar
    My good old S4 went crazy 2 days ago - battery dead from full charge inside 2 hours with negligible use.
    • Tried switching off all sorts of options
    • Removed the SD card
    • Deleted recently added applications
    • Swapped batteries

    NONE of the above worked.

    Factory reset and life is good again
    10-24-2015 10:38 PM
  24. bmikeb's Avatar
    Same problem... I avoided the requested OS update for the longest time. Then the phone updated to 5.0.1. Now battery juice is like a smoothie in a sieve (not as fast as water, but close). During my ~1/2 hour commute to work the battery will go from 100% to 85% while cooking in my pocket, sitting at my desk it would drain to empty if i didn't plug it in.

    Then i went on an overseas trip, and pulled the SIM card while i was on the plane because i don't want to be charged extortion data rates if my phone so much as queries the time of day from the local network. At my destination i charged the phone to 100%. With moderate use on wifi, with no SIM card, the battery lasted almost 3 DAYS before needing a feeding.

    There is something broken in this OS. I get the point that the radio will boost output if reception is low. But what is using the radio? I'm not using the phone to talk. And an occasional data packet, even at full power, should be relatively cheep.

    The on-board battery usage claims the #1 user at 25% is Android OS. If the phone is generally idle, that would tend to make sense. But here is the rub. If the phone is generally idle i would expect the OS to be the main battery user... because there would be nothing else running and the battery should last days! I suspect there is something else hiding in the background that is not showing up in the accounting.
    01-17-2016 06:45 AM
  25. Andi222's Avatar
    Ok, I know this is probably the most common newbie question, but i'm not a newbie, and I've checked most obvious reasons, but My Samsung galaxy S4, 4 months old, never let battery completely die, no apps running, minimal screen time (2min max today so far) is draining the battery way more quickly than usual. Took phone off charger at 7am, now its 10am and battery is at 75% and I have not used anything on my phone. Again, no apps running today. I have only lit up the screen for seconds at a time to check the battery life percentage. Up until 3 days ago it would never do this. Battery usage indicates the majority of battery is being used by "Device Idle" 35%, and "Android OS" 17%. Since I have not even used my phone today, the screen used less than 5% so far. ???? Also, I am connected to WiFi with excellent signal, same as always, as well as good 4G signal, as always. WHy the sudden change in battery drainage? This started Monday, and I haven't downloaded anything in about a month. Rebooted, no change. Pulled Battery, no change. Advice? I am beginning to think this is a conspiracy. ha. thanks in advance.
    03-04-2016 11:05 AM
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