I have been using my mobile hostpot for about 6 hours and 6 hours standby after it and this is the usage through Better Battery Stats app, from full charge to 39%.
Samsung smart manager shows android OS as the major culprit.
I am posting the screenshots. Can somebody let me know the reason for this and how can I disable the wakelock visible in the Better Battery Stats screenshot?
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Hi, i am suffering from massive battery drain on my gnex, i have noticed that android os uses approx 50% of my battery, which almost making my phone unusable. I have noticed today that when i switch my data off, i dont lose any battery life compared to when i leave it on and the percentage for android os reduces significantly. i am currently using franco's kernal and before that leankernal and suffered the same issue on both, i have also tried opening the camera after reboot which someone suggested but it doesnt work for me, does anyone else have the same issue and is there a fix to the issue as i would like to have data on.
Thank you
Also check data usage and disable background data of app that continues to update. This will also extend battery life.
Sent from my Galaxy Nexus using XDA App
kcharng said:
Also check data usage and disable background data of app that continues to update. This will also extend battery life.
Sent from my Galaxy Nexus using XDA App
Click to expand...
Click to collapse
I have checked the data usage and Android OS is using 775KB of data, so when data is on it must be keeping it awake which uses more battery
using juicedefender may help you it has very good radio controls that will turn off or on your wifi and data connections depending if you device is on or in sleep mode.
Also for your battery is the OS just showing 50% of the battery usage in the bat stats section ? If so that is NOT 50% of your battery that it has used. that simply means that of the percentage of USED battery the OS has used 50% of that. if your battery is at 50% and your OS in bat stats says 50% it has actually used only 25% of your actual battery.
OS is normally near the top of the bat stat list alongside the screen. unless you are playing games.
its normal
Star here:
http://code.google.com/p/android/issues/detail?id=22878
This has been reported to Google.
Goat_For_Sale said:
using juicedefender may help you it has very good radio controls that will turn off or on your wifi and data connections depending if you device is on or in sleep mode.
Also for your battery is the OS just showing 50% of the battery usage in the bat stats section ? If so that is NOT 50% of your battery that it has used. that simply means that of the percentage of USED battery the OS has used 50% of that. if your battery is at 50% and your OS in bat stats says 50% it has actually used only 25% of your actual battery.
OS is normally near the top of the bat stat list alongside the screen. unless you are playing games.
its normal
Click to expand...
Click to collapse
Yesterday i let my gnex battery die and android os almost used 50% with 3% battery remaining, understand where you are coming from, but i have explored the issue further and battery drain is significantly higher when connected to 3g, i will upload a screen shot soon to demonstrate the issue
abz54 said:
Hi, i am suffering from massive battery drain on my gnex, i have noticed that android os uses approx 50% of my battery, which almost making my phone unusable. I have noticed today that when i switch my data off, i dont lose any battery life compared to when i leave it on and the percentage for android os reduces significantly. i am currently using franco's kernal and before that leankernal and suffered the same issue on both, i have also tried opening the camera after reboot which someone suggested but it doesnt work for me, does anyone else have the same issue and is there a fix to the issue as i would like to have data on.
Thank you
Click to expand...
Click to collapse
I faced the same problem, issue was somewhat with auto backup of data, sync of app data & people details in google account,
BUT the main culprit in my case was uTorrent application.
Even though there was no torrent added to it, i didn't even opened it,
it was using 1GB data daily on WiFi and in data usage it was coming under Android OS usage. I uninstalled it, everything went back to normal.
So try to look for such apps which eat up your data in background, it may not be an error of android OS as such.
Hope this helps, Press THANKS if it did help you
Enjoy
I've noticed a sudden decrease in standby battery life on my Note 2. The "Running" tab of the application manager reports no new apps, though (bad facebook update? they're known for this kind of stuff).
Anyway, it would happily spend 8-9 hours in standby while I was sleeping with 7% battery loss. (Bluetooth, 3G, NFC, S-Beam, Power Saver off; Mobile data, WiFi on)
Now, it barely got 1 hour and 47 minutes with the last 5% of juice.
Running non-system stuff:
Viber
Kik
imo
Formspring
Facebook
SwiftKey Flow
Any idea about the sudden change?
hameerabbasi said:
I've noticed a sudden decrease in standby battery life on my Note 2. The "Running" tab of the application manager reports no new apps, though (bad facebook update? they're known for this kind of stuff).
Anyway, it would happily spend 8-9 hours in standby while I was sleeping with 7% battery loss. (Bluetooth, 3G, NFC, S-Beam, Power Saver off; Mobile data, WiFi on)
Now, it barely got 1 hour and 47 minutes with the last 5% of juice.
Running non-system stuff:
Viber
Kik
imo
Formspring
Facebook
SwiftKey Flow
Any idea about the sudden change?
Click to expand...
Click to collapse
Try to use better battrry stats to find out whats the wakelock while in standby time. And use cpu spy to check you devices in full deep sleep while in stand by mode.
Sent from my GT-N7100 using xda premium
I'm sure another battery life thread exist but the search function is not working for some odd reason.
Anyhow, I recently bought this device(32 GB) model on Ebay and it is a refurbished edition. I updated it to the latest 4.4.2 and the device is amazing. However, one issue that disappoints me is the battery life. It lasts around 5-6 hours if I'm constantly browsing the web and watching videos. To charge it, it takes a good 7 hours. I looked at the battery and noticed that Android OS was responsible for 56% of the battery drainage. I notice the back of tablet(near the camera) getting very hot when I was playing some games as well.
I'm really trying to push this things to the limits to check to see if it's faulty so I can return it before the 14 days is up. My questions are, what is the typical battery life you users experience and how long does it usually take you users to charge it? Also, my Android OS has never taken up that much battery---is this normal? If not, how can I fix it?
Thanks!
Streaming videos kills battery in general but that's still high battery usage for Android OS. I suggest you invest BetterBatteryStats from the play store and see if something else is causing your battery drain. Post some screen shots when you get the app. I
My Android OS battery utilization is sitting at 7% at the moment. I don't stream much data, and but I think high Android OS battery utilization has more to do with background data than video or music streaming anyway
Few things to improve battery life in general is to disable location reporting and location history in GPS menu. Better yet, but disable GPS in general. Turn off the setting in the advanced wifi menu that let's apps scan wifi even if it's off for location data. Google+ and hangouts are big drainers... Disable or unistall them is you can or at least don't let them sync data. Go to Google account setting and disable syncing of anything you don't needs.
Edit: I just stream 1.5hrs (1.3gb data) of Netflix and my Android OS battery usage didn't go up. It's gotta be a rogue process taking CPU cycles/checking location/sending lots of data. Install BBS and see what's causing it. More than 7hrs of screen time for me today and I still have 25% battery left.
@streetenigma23 http://forum.xda-developers.com/showthread.php?t=2742745
Usage = 10hrs
Charge Time = 4-5hrs.
Sent from Galaxy Note 10.1 2014 Edition via Tapatalk.
Thanks for the suggestions. I will go ahead and d/l that app and see how it goes. I'll put up some screenshots and try to see if we can get to the bottom of it.
My battery drains kind of fast, I'm talking about less then 12 hours on daily basic use (calls, facebook, whatsapp ETC). with not a lot at all of SOT.
anyone has an idea why this is happening?
It is almost impossible to determine what is using your battery based on virtually zero information...
In almost all battery draining cases, it is down to an app or wakelock. You have to work out what it is, and troubleshoot. Repeat this process for all future phone / rom / kernel combinations
- Are you rooted with any other mods?
- On the basic battery info screen, are there any strange apps?
- Checked for wakelocks using an app like GSAM or betterbatterystats?
If you're not rooted, check the battery stats and see if your phone is staying awake constantly. Also see what apps have the biggest "keep awake"time
Let me put in the details.
I just came from MIUI 9.5.1x.y(forget the exact version) China version and now on LOS 15.1 official.
My old experience with that MIUI is optimal for standby battery life, especially during midnight with flight mode on. 8~9 hour just had the battery down by 1 ~2 percent at max. For MIUI, I use the built-in battery saving mode and disallowed most apps' background activities.
In LOS, I root and utilize greenify for similar task, and also enable the built-in battery saver. Yet, it gives me quite different result. About 7~8% usage overnight. That's far from optimal.
So my question are:
Do you have similar experiences?
If the answer is yes, how do you find the causes of the unnecessary battery drain? And how to solve it?
Any clues and helps are welcome.
Use an app to find out what is causing wakelocks during the night?
BetterBatteryStats for example.
You should Monitor Your Battery with Gsam and Betterbatterystatus Application also Monitor Cpu Deep Sleep
got to battery stat in system setting , check what apps running in background and disable(if available) what apps that can running in background.