Develop Bugs

[Q] Sleep of Death with Stock

So I read about other people having this problem with custom ROMs or rooted phones but I am on unrooted stock after OTA. I thought was one of the 60 or whatever apps I bought during the 10 cent promotion but I uninstalled them all and I still had the problem. It's not frequent but it's happened 3 times in the last couple of weeks. It's mildly annoying to have to pull the battery but the part that I can't live with is that whenever it this happens, my battery drains like crazy. The battery usage drops off a cliff and I caught this one after no more than 5 minutes. Any thoughts on this? I don't have an SD card so it's not that. Thanks!
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to find the rogue app use betterbatterystats and cpu spy. not sure if they superuser. also badass battery works too.

Mine did this the other night on Calk's ROM. Something got stuck keeping the phone awake causing that cliff like drop off.

Happened to me on stock once, installed some game but didn't play it so I don't think that was the reason. It was either the default browser or the contact list.

Thanks for the replies. I figured it was an app but wanted to be sure before I started deleting things. I was just worried that this might be something to do with hardware or something.

I have same problem with different roms and i don't know what to do...
Sent from my GT-I9100 using Tapatalk 2

I had the same problem I figured out it was my wifi being turned on all the time. I have always heard leaving your wifi on when it's availible was supposed to save battery but I checked in better battery stats and saw there was almost 7000 wakelocks in a 5 hour period. I turned wifi off problem solved I only turn it on when I need to.

It is happend even wifi is off.
Sent from my GT-I9100

cristianu said:
It is happend even wifi is off.
Sent from my GT-I9100
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Your battery might be going bad... take it out and spin it on a flat surface if it spins freely the battery is most likely done.

My battery have 3 months old. My s2 is new....
Sent from my GT-I9100

cristianu said:
My battery have 3 months old. My s2 is new....
Sent from my GT-I9100
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Same thing is happening to my friend's white E4GT, I think there might be a defective/bad batch.
Sent from my SPH-D710 using Xparent Red Tapatalk 2

[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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Sent from my SPH-D710 using xda premium

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
Sent from my SPH-D710 using xda premium
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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
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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
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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.

My battery life is stellar

Not sure what you people are doing wrong but I get great battery life running codename android 1.3 and Franco's nightly. Keep 3g on most of the time and use 4g and wifi at home. This is from yesterday, wish I could've let it fully drain but I had to go to work and swapped the battery. This to me represents real world use, played around on the internets, texted, and made a few calls while at work and used pulse heavily after I got home. Kept 3g on while I slept (why do people put it in airplane mode or turn data off?)
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Stock battery btw.
Sent from my Galaxy Nexus

Yawn.
Sent from my Nexus in Texas.

the only relevant thing would be screen on time

Your screen on time is very low.

Can someone explain to me why we have 50,000 battery threads? I think we get it! Your battery life is great. My battery life is great. Jane's battery life sucks. Jim can't even figure out how to turn on his Galaxy Nexus.
Stop with these threads!!! And you know what, to add insult to injury... My battery life on the stock ROM destroys what you just posted.
Sent from my Galaxy Nexus using xda premium

jonathan3579 said:
Jim can't even figure out how to turn on his Galaxy Nexus.
Click to expand...
Click to collapse
I bet his battery life is awesome! Tell him to make a new thread to post his ROM/kernel combo.
Stop with these threads!!!
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Click to collapse
Noooo joke. We don't care anymore, people!

martonikaj said:
I bet his battery life is awesome! Tell him to make a new thread to post his ROM/kernel combo.
Noooo joke. We don't care anymore, people!
Click to expand...
Click to collapse
Thanks for the laugh man. I needed it. These threads have gotten so out of hand, it's ridiculous. A Mod should just combine all these redundant battery threads into one giant thread so they can all piss in the wind and see whose goes further.
Sent from my Galaxy Nexus using xda premium

My phone is very strange about battery life, in fact sometimes it lasts 26/27 hours and sometimes, with the same usage more or less, it lasts 15/16 hours

That's pretty good, I can barely get mine to last overnight with literally NO USE, BUT SERIOUSLY ANOTHER THREAD?

Ripping tale old chap.

WalkingTaco said:
Not sure what you people are doing wrong
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Click to collapse
Your the one doing it wrong, no one cares for another battery thread.

How is everyone finding the battery life on CM10?

I would have asked this in the thread, but I'm new so can't make posts there. Anyways, for me it's pretty terrible.
It's been 9 hours and 51 minutes off charge and my batter is at 40%. The screen on time is 34 minutes and set to autobright. Anyone else getting anything this bad?

melted_cow said:
I would have asked this in the thread, but I'm new so can't make posts there. Anyways, for me it's pretty terrible.
It's been 9 hours and 51 minutes off charge and my batter is at 40%. The screen on time is 34 minutes and set to autobright. Anyone else getting anything this bad?
Click to expand...
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How long have you been using this ROM for ? It usually takes at LEAST 2-3 days of use before battery stats improve. That goes for every new ROM you install.

The battery in cm10 is great I'm seeing 1% per hour in standby just run a few cycles it will calm
Sent from my HTC One X using xda premium

I've been using p12v2 the day it came out, but I've been using the ROM since p5. Should I just run it through a few full cycles then?

melted_cow said:
I've been using p12v2 the day it came out, but I've been using the ROM since p5. Should I just run it through a few full cycles then?
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Have a look at cpuspy on the market check that your going into deep sleep what %
Sent from my HTC One X using xda premium

whynot66 said:
Have a look at cpuspy on the market check that your going into deep sleep what %
Sent from my HTC One X using xda premium
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Ah, I forgot I installed that. Deep sleep is at 58%

I recently had quite good battery life on eprj cmx(10). I got about 3.5h screen-on time, and in total a time of 6.5h. Look at my quote below(yip I just did quote myself).
timlambo said:
Here are some battery stats for the concerned.
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I did actually use the phone as you can see. This is just very normal usage. Browsing, xda and flipboard mostly. Also running on the oc version and lowest screen brightness(which is still quite bright).
Sent from my HTC One X using xda premium
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[Q] Battery life on CM10

I'm really curious to know what the battery life on CM10 is since I used to have FF18 and I have to say that it wasn't as great as I expected it. Right now I downgraded to EL29, mainly bc of battery consumption but I want to know other people's experience with CM10.

The cm 10 battery life will vary..for Me Jb battery life is fine..with a little effort it is very possible to get good battery life..was it as good as ICS.?.honestly no..but ICS has source for our device and source for in on our device hasn't came
-TeaM VeNuM Like A Boss

Xbugzx said:
I'm really curious to know what the battery life on CM10 is since I used to have FF18 and I have to say that it wasn't as great as I expected it. Right now I downgraded to EL29, mainly bc of battery consumption but I want to know other people's experience with CM10.
Click to expand...
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my experience wasn't good. ill wait for it to improve. I'm on CM9 for now.

I'm using PA 2.15 (CM 10.0.0-RC0), here's my battery life :crying:
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[/IMG]
I barely even use it AT ALL, and battery is at 32% after less than 10hrs. Also, playing Bad Piggies for 30mins, and it'll go from a full charge to 12%.
ICS wasn't any better for me either, but I think JB is a tad worse...

im running nightlies from phantomphreak and im getting 13-15 hrs average. thats with moderate usage. best thing you can do is set it to 800mhz max and conservative. everything still perfectly smooth for me

heres my battery life with the latest nightly from phantom freak. cpu set at 800mhz max with pegasusq governor

absolutely terrible lol i gotta charge it like 2-3 times a day

supersaeed said:
absolutely terrible lol i gotta charge it like 2-3 times a day
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yep.

any tricks to making it last longer? Battery Saver Apps?

Jaws4God said:
any tricks to making it last longer? Battery Saver Apps?
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Since there is no info in your post, no one can help.