Develop Bugs

Battery life

This phone is only lasting me about 8 hours before my battery will die. What can I do to help out my battery?
Sent from my SPH-D710 using XDA App

download an app call battery calibration, then after a full night of charging, go to that app and calibrate with the charger plug still in, after its done reboot phone and take it off the charger. drain the battery until it shuts off by itself. charge it back up while its off. then continue to use as normal. wait a couple days to see if the battery gets any better. my phone doesnt last too long either, im thinking of replacing the battery to see if thats the problem

Try removing some apps, that worked for me there was some apps that were sucking up my battery.
Sent from my SPH-D710 using xda premium

slap on a extended battery!

Kiss it three times, say two Hail Mary's and toss it over your left shoulder.
No seriously, battery life is very dependent on many things, and your statement doesn't come close to providing enough information for anyone to give you any real help. At minimum you need to provide the following during your 8 hours ...
- Total Display on time
- Brightness setting
- What you have auto syncing and how often
- Average signal strength
- Usage pattern (web browsing, calls, streaming video, etc.)
- Widgets on your home screens
- Screenshots of your battery usage and graph

My phone will also last around 8 hours if im constantly using it.

Thanks everyone for the responses. I will try out all the advice.
Sent from my SPH-D710 using XDA App

wxcolon said:
Thanks everyone for the responses. I will try out all the advice.
Sent from my SPH-D710 using XDA App
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Click to collapse
With moderate use, I get about 20 hours. With heavy use I get about 10-12. It's still enough to get me through the day
Love this phone!

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This is my battery after heavy use. I love the battery. Calibrated.
Sent from my SPH-D710 using XDA App

[Q] android OS

in the battery usage graph what does the android OS include? and i've noticed on this phone it takes up ALOT of battery, why is that? is there a way to "cool its jets"?
i dont know if this matters but im rooted and running the STARBURST ROM.
thanks for any and all info that you could give me

HAHA it's Android. Things that are required for Android to run. The way to fix it would be to buy a dumb phone without Android.

Im having this problem as well with cm7. Android OS being the top consumer killing by battery.

I have been having this problem for about a week now (stock ROM). This is after a full charge the night before and I took the screenshot in the morning.
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kjgear said:
I have been having this problem for about a week now (stock ROM). This is after a full charge the night before and I took the screenshot in the morning.
View attachment 856821
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Click to expand...
Click to collapse
You will always have high Android OS until you start using the phone. After a full day's use, it should read 20-25% if your setup is dialed in. It will show less with Rogue kernels. They have it masked somewhat
Sent from my Nexus S 4G using xda premium

All this is normal...
Sent from my SPH-D710 using xda premium

Switch to calkulins rom 2.8.1. Its great

JohnCorleone said:
You will always have high Android OS until you start using the phone. After a full day's use, it should read 20-25% if your setup is dialed in. It will show less with Rogue kernels. They have it masked somewhat
Click to expand...
Click to collapse
But the phone was down to 85% power just sitting overnight.
Is that normal? (Serious question, not being a smart-ass.)

blackte4 said:
Switch to calkulins rom 2.8.1. Its great
Click to expand...
Click to collapse
Not for me it wasn't lol, way slower than stock, and i was out performing quadrant and linpack tests on stock.

Going down %15 overnight sounds typical. Are talking like 8-10 hours?

It"s "typical," but it is NOT what this device is capable of.
The Android OS usage is not supposed to happen. It's a bug, albeit an omnipresent and seemingly unkillable one. There is nothing you can do about it except reboot and hope it doesn't re-trigger.
Without triggering the bug, I was able to sleep for eight to ten hours and drop about 2% in that time frame. THAT is what this device is ACTUALLY capable of.

Is anyone else's battery on crack?

Usually I can go a full 16 hour work day without needing an extra charge, then last week it started not holding the charge so well. In fact Tuesday it had 30% and I left the house for half an hour, and when I came back the phone had shut off and was at 0. I hadn't even touched it. I am on a mix of Wi-Fi and LTE. Anyway, that was odd. Now look at the battery usage...
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Do you have a screenshot of the stats when the battery went all out of whack?
Sent from my SAMSUNG-SGH-I747 using xda premium

My android system has been going crazy the last week or so, usually would be at 5% our do but lately has been 40+ easy... been to lazy to wipe and re flash as I'm sure that will fix the issue, but lately I've been near power all the time so it hasn't really bothered me.
Sent from my SAMSUNG-SGH-I747 using xda premium

I flashed with Highonandroid and got 30+ hours. Probably could have gotten double if I didn't kill half of it installing all my apps back on.
What rom are you using?
On the stock image I was only getting 9 hours.
Sent from my SAMSUNG-SGH-I747 using xda app-developers app

tuffluck said:
Usually I can go a full 16 hour work day without needing an extra charge, then last week it started not holding the charge so well. In fact Tuesday it had 30% and I left the house for half an hour, and when I came back the phone had shut off and was at 0. I hadn't even touched it. I am on a mix of Wi-Fi and LTE. Anyway, that was odd. Now look at the battery usage...
Click to expand...
Click to collapse
it looks like weatherbug and google maps take a lot of battery

i never truly understood why people boast of their battery life when they have the screen on for 10 minutes in 2 days

theraker007 said:
i never truly understood why people boast of their battery life when they have the screen on for 10 minutes in 2 days
Click to expand...
Click to collapse
+1
if you are not using a phone, turn it off and the battery will hold charge for many, many days.

Battery drains when I sleep

Hi everyone
I have an annoying problem with my phone's battery .it looses a lot of battery even when I sleep which is unbelievable for note 2 with 3100 mhA battery .for examlpe last night it lost 55% of battery from 11 pm to 9 am. I flashed 4.3 offical india rom 2 month ago .since then I have this problem I turned off many samsung apps , I have clean master installed on my phone that suppose to give me more battery!! I don't know whats happening to my phone .help me guys please...
Here is some screenshots off my battery report
Thanks
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Sent from my GT-N7100 using Tapatalk

That's way too much... It must lose battery overnight, but not 50%.... One thing I notice is that you have bad signal. Battery is consumed more if you have bad signal. I suggest using some app to automaticaly turn on FLIGHT mode during night. I use Setting Profiles and at midnight it sets FLIGHT (AIRPLANE) mode until 7AM. My consumption from 11PM or midnight to 7AM is like 7-8%. Without FLIGHT mode it is like 14-16%.

dalanik said:
That's way too much... It must lose battery overnight, but not 50%.... One thing I notice is that you have bad signal. Battery is consumed more if you have bad signal. I suggest using some app to automaticaly turn on FLIGHT mode during night. I use Setting Profiles and at midnight it sets FLIGHT (AIRPLANE) mode until 7AM. My consumption from 11PM or midnight to 7AM is like 7-8%. Without FLIGHT mode it is like 14-16%.
Click to expand...
Click to collapse
Your usage is reasonable .I don't think it is network that causing this . Because I have the same problem when I have excellent signal somewhere else. Report says its lcd but it was off all the time!!!
Sent from my GT-N7100 using Tapatalk

You can install betterbatterystats or wakelock detector app to investigate the reason.
Sent from my GT-N7100 using Tapatalk

congminh1709 said:
You can install betterbatterystats or wakelock detector app to investigate the reason.
Sent from my GT-N7100 using Tapatalk
Click to expand...
Click to collapse
Ok thanks. I'll test and share result

Use GSam Battery Monitor. Should help you immensely.

[Q] Terrible Battery Life with the Note 4.

I have the black AT&T Note 4 32GB and I consistently have about 2 and 15 hours of screen on time. I have a apps that monitor apps and no app seems be taking abnormal amounts of usage. Also the apps say my battery health is good and this phone is only about 5 months old. Even with turning screen brightness to min and turning off any signal using services I can't get pass 2 Hours and 30 minutes. The phone's running Android 5.1 although the problem persisted with Android 4.4 too. Please help me as I want to make sure I know what the problem is before returning the phone or buying a new battery.

Try charging the phone, power off and on, then remove from charger after the phone boots into android. This helps a bit with my battery life. Try disabling advanced LTE options in mobile networks as well. This is a bit subjective, but does the phone get hot?

sam2c said:
Try charging the phone, power off and on, then remove from charger after the phone boots into android. This helps a bit with my battery life. Try disabling advanced LTE options in mobile networks as well. This is a bit subjective, but does the phone get hot?
Click to expand...
Click to collapse
The method didn't make any noticeable difference. I never have advanced mode on as well. My phone only gets hot (not warm) when I'm charging my phone but during heavy game-play or intense YouTube resolution video it's barely even warm. Sorry if I'm not giving you enough info. Just came from an iPhone and to be honest. It's battery life is disappointing.

Use @gatesjunior Debloater tool
http://forum.xda-developers.com/showthread.php?p=58068827
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What apps do you disable? Could you share your list with us? Thanks.
Sent from my SAMSUNG-SM-N910A using XDA Free mobile app

Sitting at the pool and saw your post. I consistently for 7-8 hours of screen time. Here's a post where I screen shot all of my disabled apps.
http://forum.xda-developers.com/showthread.php?p=60467941
Hope it helps.
Sent from my SAMSUNG-SM-N910A using XDA Free mobile app

jack man said:
Sitting at the pool and saw your post. I consistently for 7-8 hours of screen time. Here's a post where I screen shot all of my disabled apps.
http://forum.xda-developers.com/showthread.php?p=60467941
Hope it helps.
Sent from my SAMSUNG-SM-N910A using XDA Free mobile app
Click to expand...
Click to collapse
Thanks! I am going to try your list. Hope it will help me as well.
Sent from my SAMSUNG-SM-N910A using XDA Free mobile app

try to calibrate the battery