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I know that there are lots of these battery life threads and i have read most of them and I've tried closing processes that i don't need and i have tried setcpu to keep the cpu low when the device is off, which seemed to help some but my phone would shutoff randomly. So last night i had a full battery and went to bed when i woke up 8 hrs later i was at 20% so about 10% an hr not even using the device. I have attached some pics for reference does anyone have any thoughts that might help. Thanks
I don't know about galaxy S but on my X10 the problem was wifi.
When I didn't have a data plan I had wifi on all day and the battery was down in 10h max 12h.
To improve it I had to use JuiceDefender to enable wifi every five minutes for updates..
Try to disable wifi overnight, reboot the phone and see what happens.
By the way, what app you used for those stats?
Sent from my X10a using XDA App
tuxStyle said:
I don't know about galaxy S but on my X10 the problem was wifi.
When I didn't have a data plan I had wifi on all day and the battery was down in 10h max 12h.
To improve it I had to use JuiceDefender to enable wifi every five minutes for updates..
Try to disable wifi overnight, reboot the phone and see what happens.
By the way, what app you used for those stats?
Sent from my X10a using XDA App
Click to expand...
Click to collapse
I don't have wifi enabled, I don't use it that often. the name of the prog is system panel
Very weird indeed. I have my Captivate with Wifi on all day, GPS signal and auto sync and when I go to bed and wake up, the battery hasnt gone down at all. I had the phone go on full battery one day and I even sent a few texts and went online for 10 minutes before it lost just a bit of battery.
Do you have that one LED app installed? The one that shows a little red dot on the corner of your screen when you have a notification?
hacker01 said:
Do you have that one LED app installed? The one that shows a little red dot on the corner of your screen when you have a notification?
Click to expand...
Click to collapse
yes i do.. Why? but it was turned off last night, as its turned off every night
Ok so i tested again last night and I did not have my im+ app running and the battery life was soooo much better. I also did not have system panel running which records all the battery and cpu stats but i'm think its the im+ app that was taking up all the juice. Can anyone think of another app that does skype and facebook but that also does not take up sooo much batter life??? Thanks
88EVGAFTW said:
Very weird indeed. I have my Captivate with Wifi on all day, GPS signal and auto sync and when I go to bed and wake up, the battery hasnt gone down at all. I had the phone go on full battery one day and I even sent a few texts and went online for 10 minutes before it lost just a bit of battery.
Click to expand...
Click to collapse
Possible he has his set to stay on. While yours may turn off when sleeping.
Sent from my SAMSUNG-SGH-I897 using XDA App
Open up the dialer and type in *#*#4636#*#*
Go to BATTERY HISTORY>PARTIAL WAKE USAGE and maybe that will show you which app is sucking up your battery life while you sleep.
Also try, if you don't absolutely need an internet connection while you sleep, SMODA widget to turn off your mobile internet. It's quick, free, and painless.
m_1000rr6 said:
Open up the dialer and type in *#*#4636#*#*
Go to BATTERY HISTORY>PARTIAL WAKE USAGE and maybe that will show you which app is sucking up your battery life while you sleep.
Also try, if you don't absolutely need an internet connection while you sleep, SMODA widget to turn off your mobile internet. It's quick, free, and painless.
Click to expand...
Click to collapse
yeah the app that took the most juice was im+
I drained mine down to 5% and charged full a few times and still only got 8 - 10 hours on mine until i flashed to jh2 and now have been getting almost 16 hours with same usage and apps installed. I charge mine at night. I use ebuddy with the piwer saver option turbed on abd it does an ok job.
Sent from my SAMSUNG-SGH-I897 using XDA App
I have the stock ROM and stock launcher and my battery is awsome! 8 hours and I will still be above 80%.
Brightness: Lowest (manually control via stock stock gesture)
GPS: OFF
Wifi: ON all day
BT: OFF
GMail manual
Other emails accounts hourly for the most part.
Widgets: Google/Fancy Weather
BG: Mostly Black
I have never seen such good battery life on a smart phone.
I could easily get 2 days, but i rather charge every night and then not worry about battery usage.
The wifi/gmail/gps made a big difference, its too bad you can't set gmail to hourly or something lik e that. Some of my email accounts i would like to set longer than hourly.
The last few days have been pretty good one my phone. Used to get maybe 16 hours but my last charge lasted me about 50 hours with moderate browsing, gaming, and voice/text. Juiceplotter is telling me I'll be getting about 47 hours
Sent from my SAMSUNG-SGH-I897 using XDA App
tysj said:
The last few days have been pretty good one my phone. Used to get maybe 16 hours but my last charge lasted me about 50 hours with moderate browsing, gaming, and voice/text. Juiceplotter is telling me I'll be getting about 47 hours
Sent from my SAMSUNG-SGH-I897 using XDA App
Click to expand...
Click to collapse
How many hours with the display on?
Sent from my phone so I apologize for any spelling mistakes
My battery icon depletes one notch when I'm using the screen for about an hour. Some people recommend cycling the battery, in which you do a full drain and immediate full charge, 3 or 4 times. I've done it, but it's hard to say if it explains my good battery life.
let the battery drain COMPLETELY until the phone turns off a couple times, then charge it till 100% without unplugging it.
Berserk87 said:
let the battery drain COMPLETELY until the phone turns off a couple times, then charge it till 100% without unplugging it.
Click to expand...
Click to collapse
You don't want to drain the battery that much, those kind of batteries can be damaged. The phone turns off for a reason.
I haven't done the cycle thing and its fine. A lot of that comes from older batteries with the memory problem.
irus, software which is based on data connection drains the battery one way or another. Some apps now support push notifications and IM+ does too. Did you try to use push?
These claims of multiple day charges with moderate use is crazy to me. I have the newest ROM, a black screen, display all the way down, gps off, wifi on when in range, make zero voice calls, run juice, and only have 2 widgets that update every 4 hours. I use my phone for a maximum of 3 hours browsing the web, reading XDA and feedR, checking facebook and the occasional text message. My phone lasts a total of 12 to 14 hours. My battery has a manufacture date of late July. Is there some secret I am not aware of?
Sent from my SAMSUNG-SGH-I897 using XDA App
I'm I'm your boat Shuggins, except I don't use juice, I have it installed though
Sent from my SAMSUNG-SGH-I897 using XDA App
unplugged 2 hours, wifi on, gps on, auto update on, facebook, played friut ninja for about 20 minutes, 1 game of cribbage, and been getting 4-5 email per hour, battery at 86%, before I would have been at 60% with that much use.
Anyone else seen battery life increases?
This. It's noon and I'm still at 80%. I used to have to set my phone to flight mode all day at work just to make it through the day. Now I can leave 3G on all day and not worry about it. That's the best part of the update in my opinion.
I was about to post this also. Yes, I have noticed a dramatic increase in battery life since I've updated. Now granted, it's been less than 24 hours but it is noticeable. I'll see how it goes over the next few days. But I agree, I am very happy with the update so far.
Which ROM we're you guys running before? FJ6 (stock)? A lot of users noticed better battery life after updating to some of the leaked builds (JH2 onwards)
Sent from my SAMSUNG-SGH-I897 using XDA App
mesasone said:
Which ROM we're you guys running before? FJ6 (stock)? A lot of users noticed better battery life after updating to some of the leaked builds (JH2 onwards)
Sent from my SAMSUNG-SGH-I897 using XDA App
Click to expand...
Click to collapse
I'm running completely stock-out-of-the-box since I got it.
I actually have worse battery life since updating. Have background sync off,GPS off,push off and lost 30% from full charge in 2 hours
noidd said:
I actually have worse battery life since updating. Have background sync off,GPS off,push off and lost 30% from full charge in 2 hours
Click to expand...
Click to collapse
I have noticed the same with all of the same settings as you
4h 45min since unplug.
Email push multiple times an hour, text messages, light internet use, light market use and 35 minutes of guns'n'glory. I am at 71%
Glad someone else noticed this
I'm a victim of the partial update but my battery drain has been nearly half! I've actually left live wallpapers on and can make it through the while day at the rate I'm going
Sent from my SAMSUNG-SGH-I897 using XDA Ap
6 hours 53 minutes since unplug and I'm at 23% battery. This is roughly on track with previous battery depletion, but today I've been doing heavier internet and Facebook use than usual. I think that, previous to this update, I would have had to charge by now. This is with background data and sync on, over wifi, with a combination of Google Listen, Music Player, and Pandora use.
The telling point is that screen battery use is about 10-12% lower than usual for this type of usage, at 54%. I've seen it as high as 70% on days when I'm playing around with the phone a lot.
I'm ready to call this an improvement.
Sent from my SAMSUNG-SGH-I897 using XDA App
My phone was at about 75% at around 8:00PM last night. It's currently 2:42PM now and it's only down to 25%. Granted, it was in sleep mode from around 12:30AM to about 7:00AM. But I did use it moderately last night and throughout the day today. So the battery performance has definitely improved for mine (stock with yesterday's update).
For those who have seen an improvement:
- Did you use a task killer pre-update?
- Are you using one now?
ageros said:
For those who have seen an improvement:
- Did you use a task killer pre-update?
- Are you using one now?
Click to expand...
Click to collapse
I was not using a task killer either pre- or post-update.
r_3 said:
I have noticed the same with all of the same settings as you
Click to expand...
Click to collapse
Same here... I also let the phone drain to the point of where it shut off, charged and lost 30% in 4 hours!
Yes
ageros said:
For those who have seen an improvement:
- Did you use a task killer pre-update?
- Are you using one now?
Click to expand...
Click to collapse
yes pre and post, I am using auto kill
if i do this update do i lose my root?
Unfortunately my battery life has been greatly decreased by the update. My phone is rooted, but the update installed without any trouble on the first try. Before the update the phone was fine between 9am and 1-2am without charging it at all. That's being on wifi most of the time, and maybe a bit of talking, e-mail, and rss reading. Once asleep I'd let it charge overnight. Typically Display used the most battery, usually about 50%.
Since the update I find that I need to charge the phone in the middle of the day. The first full day of the update I used the audio player for several hours, so I thought maybe that was it, but I've done that before without a major impact on the battery. Today I didn't use the audio player at all, and after 8 hours the battery is down to 26%.
According to the power usage information the largest consumer is Voice calls, at 29%. That was 11m 46s of call time. Looking at Juiceplotter, for a typical day at work before the update my battery dropped about 2% in 2 hours, with the phone on wifi, and otherwise idle. Today the phone lost 6-9% in 2 hours of being idle.
The last time I charged my phone was yesterday morning. I just plugged it in an hour ago at 15%. Thats like, 35 hours on a charge after moderate usage. Not bad. Much better than my old G1 heh.
I'm at 45 hours, still at 29%. Light usage, probably ~12 hrs in flight mode, but music player on for about 5 hrs, 5 min voice call, a few texts, some facebook/web. Still very impressive!
I've had slightly better battery life since the update.
I haven't seen these concerns mentioned anywhere else, so I'm sorry if it's a duplicate.
I updated to KB1 on the 24th. Yesterday & today, I have noticed unusual battery drain. The battery manager says that my screen has drained 83% of my battery (my battery total is 41%) from a 100% charge. My phone has been on for 7 1/2 hours and the display has bren on for 1 hour, 16 minutes. This just seems like an unusually high amount of drain compared to JH1. Do I need to let the battery stats reset after the update by draining the battery and charging it a few times?
Second issue... Whenever I was using my phone, the back was getting VERY toasty near the SIM and SD slots. I ejected my external SD and the heat has not returned. The same SD card has been used for several months with JH1. Anyone else experiencing this issue?
Sent from my Samsung Captivate
Can't say as I have noticed any heat but I can relate about the display using a high percentage of battery on the phone. I am also typically not showing anything else using the battery other than idle, standby, voice calls, and Wi-Fi. Now for example I am at 10 hours of use, have 62% battery left, and was using the music player for a while at work, updated and downloaded apps from the marketplace, shot some HD video and stills, sent some texts, checked some FB, did some GPS tests, etc. I don't know if 2.2 stock is just very efficient (went about 36 hours before charging and still had over 25% left this morning) and so the only thing using the battery is the display but it seems like it just isn't reporting everything to me. Maybe a few more days of use, a full drain or two, etc and it might start reporting correctly if it isn't already.
Battery is normal, I have noticed some heat though...even went as far as to turn my phone off for an hour today because of it.
I thought it was just me, but I noticed batt drain too
Sent from my SAMSUNG-SGH-I897 using XDA App
Yeah, I am starting to think the official 2.2 is a major flop. I had high hopes, but so far it just hasn't delivered to my expectations.
byteme2008 said:
...and so the only thing using the battery is the display but it seems like it just isn't reporting everything to me. Maybe a few more days of use, a full drain or two, etc and it might start reporting correctly if it isn't already.
Click to expand...
Click to collapse
I also feel like it isn't telling me everything that is using battery. Since the update, I'm only seeing Display (always on top), wi-fi, and cell standby.
To add to the SD heat issue, the media scanner has been running for about 5 minutes now and still says that 0% has been scanned in the notification bar.
jwkicklighter said:
I also feel like it isn't telling me everything that is using battery. Since the update, I'm only seeing Display (always on top), wi-fi, and cell standby.
To add to the SD heat issue, the media scanner has been running for about 5 minutes now and still says that 0% has been scanned in the notification bar.
Click to expand...
Click to collapse
I can't say I have had any issues with the media scanner taking an unusual amount of time. I have over 1000 songs, about 6 full length movies, photos, music videos, etc, and I can't say it ever runs more than about 20 seconds or so.
Just plugged my phone in and didn't notice any heat, but was still only showing display, wifi, standby, voice calls, and idle. Battery life itself though is still good (at least good enough for me - 24 hours + on a single charge with moderate use). I have been stock since I bought the phone back in August.
jwkicklighter said:
I also feel like it isn't telling me everything that is using battery. Since the update, I'm only seeing Display (always on top), wi-fi, and cell standby.
To add to the SD heat issue, the media scanner has been running for about 5 minutes now and still says that 0% has been scanned in the notification bar.
Click to expand...
Click to collapse
Go into MyFiles and delete your Android folder then reboot. Sometimes the media scanner freezes due to the cache in the Android folder.
I've also been having a lot of battery issues. Twice today my phone died within 2 hours of being off the charger. The first time was 1 hour and 15 minutes with sending and receiving 2 texts. The second time was 1 hour and 45 minutes, no texts. I didn't have GPS, Wifi, or Bluetooth on and didn't use the phone except for those texts. I used to get a full 14 hours + out of my phone before updating to froyo!
ryude said:
Go into MyFiles and delete your Android folder then reboot. Sometimes the media scanner freezes due to the cache in the Android folder.
Click to expand...
Click to collapse
Is there any sort of side-effect when deleting that cache folder? The scanner also hasn't been running since a reboot so that may have been a fluke.
Sent from my Samsung Captivate
I also am experiencing terrible battery life. On jh1 with heavy use I would have to put the phone on the charger which was expected but it would be fine for the rest of the day without any problem. Now I'm having to live off of a charger. I haven't experienced heat issues but I haven't had my SD card in either.
Another issue I've been wondering about other people having is sending MMS. Before the update I done this without any problems at all, now I am very lucky to send one. I read somewhere that the MMS limit was actually smaller after the update, though I have no proof of this. I was just trying to send a couple 2-4 second audio clips that can't be larger than a few KB.
I had a Droid Incredible before this and was root doing everything under the sun with it, when I got this phone I didn't feel the need as much. This update has proved me wrong and I will be jumping on a custom ROM real quick like.
Sent from my soon to be rooted Captivate because of official 2.2 issues using XDA App
I decided to completely drain my battery. It died after 2 hours of screen use (over the day) with texting, web browsing, a check-in or two on Foursquare & Gowalla (no GPS,) and a little gaming. Display, Wi-fi, & Cell Standby were the only listed items for battery drain. I don't understand!
I just bought a Captivate and updated to 2.2. I also have a quick drainging battery issue. Are the phones defective or are all of them likes this ?
Using Faux rom (Kernal version 2.6.32.41-CM7-Faux123-v0.2.3)
I was able to get a crazy amount of life out of the G2x! Anyone else able to get some times like this?
When I first got the phone it would only get about 4 hours.
i've been on 11 hours, Nexus AOSP, and am at 85%
With SetCPU and underclocking when idle or on calls?
Is Juice Defender involved?
Exclusively on GSM?
Are Auto Sync and GPS off at all times?
Please provide context.
Sent from my LG-P999 using Tapatalk
jabhome said:
With SetCPU and underclocking when idle or on calls?
Is Juice Defender involved?
Exclusively on GSM?
Are Auto Sync and GPS off at all times?
Please provide context.
Sent from my LG-P999 using Tapatalk
Click to expand...
Click to collapse
Yes, setcpu and some UC, phone goes to min processor on screen off
Juice defender set to standard
data set to auto
auto sync gmail, gps only on demand
note today was a very, very light day of use. Yesterday I used it moderately, checking emails, maybe a call or two and several hours of music and was at 50% after about 14 hours.
Zspy1985 said:
Using Faux rom (Kernal version 2.6.32.41-CM7-Faux123-v0.2.3)
I was able to get a crazy amount of life out of the G2x! Anyone else able to get some times like this?
When I first got the phone it would only get about 4 hours.
Click to expand...
Click to collapse
I have tried virtually every ROM and kernel combination for the G2X and for my phone and usage pattern I have had the best luck when I returned back to CM7, currently RC1 without OC/UV kernels, without SetCPU/PimpMyCPU, and without Juice Defender, or any similar such programs. My gains appear to be achieved by better efficiency with the screen off. The only modification that can be responsible other than CM7 itself is that I have the phone 2G only unless I need 4g at which times I turn it on manually. I think this is the actual cause of most of my better battery life.
Recently I went 32 hours of light usage (maybe an estimated 3 hours of phone calls and 2 hours of actually performing some task in Android) and was at about 35% battery life (although I believe battery percent is totally meaningless on this or any GB Rom for the G2X). I can easily make it sun-up to sundown with moderate to heavy usage unless it involves lengthy playing 3d video games or similar cpu/video intensive tasks.
When I first had the phone (completely stock) the battery would run out before 8 hours even if I didn't use it at all. I think I was getting great battery life with the AOSP ROM (Faux) and Eaglesblood ROM without modification. I am came back to CM7 rather than those others for purely aesthetic reasons.
My conclusions are merely based upon extensive trial and error and subjective impressions. I am not an expert at anything, except perhaps backgammon, lol
2g only is not a fix in my opinion. I purchased a 4g phone for a reason. The software and drivers are still an issue. I get a solid day (12 - 16 hours) out of a single full charge with 3 email acounts checking every 30 min. Surfing the web and a little game play for fun. The screen is the biggest draw on the battery. My battery monitor shows a direct corolation to battery draw and the screen on.
jcbofkc said:
2g only is not a fix in my opinion. I purchased a 4g phone for a reason. The software and drivers are still an issue. I get a solid day (12 - 16 hours) out of a single full charge with 3 email acounts checking every 30 min. Surfing the web and a little game play for fun. The screen is the biggest draw on the battery. My battery monitor shows a direct corolation to battery draw and the screen on.
Click to expand...
Click to collapse
I understand your point, but how often are you actually using 4g. It is not necessary for syncing email or other background tasks, in fact on my phone Pandora runs the same on 2g as 4g. And when you do need the performance of 4g it is 2 clicks away, one swipe to pull down the notifications and another to toggle from 2g to 4g. It connects in about 10 seconds, for me anyway a shorter period of time than it takes me to figure out what I'm doing. 4g appears to be the biggest battery draw with screen off. If you use JuiceDefender you can program it to turn on 4g whenever particular programs are launched.
You are right about the screen it is certainly the biggest draw with screen on. I run a bike computer with gps program. I run it with screen at full bright constantly on, gps running, plus using whatever small amount of use the program uses to operate. At this rate the battery runs out before 4 hours are up.
Oddly making phone calls appears not to drain the phone at all compared to other activities. I've taken my phone of the charger and made a 1.5 hour phone call and hang up and the phone is still at 99%.
23 hours and counting on this charge...
i can get that time on my stock rom one time my phone lasted 1 day 15hrs on stock rom.
rvdangel630 said:
i can get that time on my stock rom one time my phone lasted 1 day 15hrs on stock rom.
Click to expand...
Click to collapse
I have no doubt, there is nothing inherently wrong with the stock rom as long as you root it and get rid of the bloatware. Getting bad battery life is more a matter of something being wrong, instead of a particular rom being right.
I don't really understand the battery info built into Android, my uptime right now is just over 16 hours and I am at 25%. Which is good as anyone can expect with normal usage. But what is confusing is the usage breakdown, it lists most items at exactly 19%, Cell Standby, Wi-Fi, Dialer, Android System, and Phone idle. Voice calls is the only other item at 6%.
What the heck is Dialer doing with 19% of my battery!?!?
16 hours so far with 20% left.
8 hours of that was while I was sleeping.
While there was some screen-off time for the other 8 hours, the tasks I was doing included redownloading ALL of my apps manually, applying themes, configuring widgets, browsing xda, email, light texting, and a couple short calls.
I am running CM7 with stock kernal. I have like 40 widgets running (probably an exaggeration). I'm running Juice Defender set to disable data/wifi when screen turns off, and enable it for 2min every 15 min. I also have setcpu running. I increased the min to 456 instead of the default 216 because it seems to keep me from experiencing the black screen of death when I leave it higher. My screen-off profile is 456/456, and my in-call profile is 608/608.
Overall, considering that I keep all syncs set to auto so I get instant notifications of gmail and sms, and it takes all of about 3 seconds to turn the data/wifi back on when I turn the screen on, and I don't have to constantly go back and forth messing with 2g/3g. I am extremely pleased with this phone now.
Been unplugged since I woke up this morning...13H 57M and have 40% left.
That's sending many texts, tweets, and using the GPS app for my round of golf today.
currently at 2 days (actually 1d, 23h, 44m) and I still have 30% left. I would say light to moderate use.
Currently running cm7 on nightly 65 with the stock kernal. No setcpu/pimpmycpu or any juice defenders.
Hi guys,
My battery life is killing me, I don't think I've ever had it this bad before! It's on par with my iPhone 6, but I know there are others who are getting much battery life, yet their set ups seem exactly the same?
I have all bloat ware disabled, any apps that I do not use have been disabled. Majority of the time Bluetooth is off, NFC stays on, Location and GPS are on too. My daily commute is about half an hour. I set off and by the time I get to work with 20 minutes screen on time, I'll have about 85%. Sometimes it's worse.
A collegue has his device set up exactly the same as mine as far as I can tell and is getting much better battery life. We compared the other day, he was on 63% I was on 75% but his phone said 13 hours remaining, mine said 9.
Cheers
jaaystott said:
A collegue has his device set up exactly the same as mine as far as I can tell and is getting much better battery life. We compared the other day, he was on 63% I was on 75% but his phone said 13 hours remaining, mine said 9.
Click to expand...
Click to collapse
Even setup the same, people use phones differently, they also when they travel have different signal zones etc.
The other evening around 6pm I still had 53% with what is said was 12 hours left and I had just about used 11hours at that time.
I have GPS on full, Wifi on most of the time, only use BT when I use it in the truck, have a lot of stuff I don't use turned off, but use hangouts, camera (awesome), a few SMS, some calls and a lot of forum checking.
krelvinaz said:
Even setup the same, people use phones differently, they also when they travel have different signal zones etc.
The other evening around 6pm I still had 53% with what is said was 12 hours left and I had just about used 11hours at that time.
I have GPS on full, Wifi on most of the time, only use BT when I use it in the truck, have a lot of stuff I don't use turned off, but use hangouts, camera (awesome), a few SMS, some calls and a lot of forum checking.
Click to expand...
Click to collapse
It's crazy, if anything I know our routes and he has worse signal on the way to work. We both had a similar screen on time with the same apps using battery, just Facebook and the usual Google Play Services, I'm quite experienced with drains caused by Google Play Services but there seems to be no drain. The most it's ever kept the phone going is like 10 minutes in a day. The screen is always the biggest drain, but my brightness is the same as him, 50% on auto-brightness.
Return it
Sent from my SM-G920T
I've noticed since the last update and some Google apps updates, its farked. Even my mate on a beasty Xperia Z3 is complaining of sudden changes to the battery life... I think I need to wipe my phone and start again
Have you tried clearing the phone cache recently?
I've attached battery stats, performed a cache wipe on 100% Battery this morning.
Sent from my SM-G920F using XDA Free mobile app
jaaystott said:
I've attached battery stats, performed a cache wipe on 100% Battery this morning.
Sent from my SM-G920F using XDA Free mobile app
Click to expand...
Click to collapse
40 minutes of SoT at 77% isn't actually TOO bad, especially if you have been in brightly lit areas/outside. This would equate to about 3 hours of SoT, which isn't good, but I've seen worse.
What is your standby drain?
Also, have you installed Gsam to see what it says is using your battery? And what apps DO you use?
I haven't installed that application, but in terms of standby drain it's probably 1-2% an hour, I don't seem to notice taking it out of my pocket and being shocked.
Main apps I use are What's app, Facebook and Spotify, but my music on Spotify is downloaded and so it should not be streaming.
Sent from my SM-G920F using XDA Free mobile app