Develop Bugs

6 hours screen on?

Sure sure it's with light use, but just the fact that it can hit 6+ hours screen time after more than a day and a half... sits pretty well with me.
No games, 30% screen brightness, 74 mins of calls, quite a bit of texting & whatsapp, 30 odd mins browsing, wifi 100%, sync on, only 1 widget.
aokp, lean kernel, undervolted, K6, extended battery.
Loving this phone!!!
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Not bad at all! Especially considering 74min of phone calls.

NICE!!! Can't wait till my extended battery comes in.

Nice. I've had my extended battery for 2 days now and I am seriously impresses ed with it. It on my drive home I'm at 65% instead of 30%. I really think the extended battery should of come stock.

I got a similar 6 hour in airplane mode. I was watching a movie while roaming on vacation.
Verizon stock rom. stock battery.

Even stock SGN makes wonders with battery on Wi-Fi But still your stats are truly amazing

OP did charge the phone for a bit....like 3 times don't know for how long....but nonetheless amazing stats...
Sent from my Galaxy Nexus using XDA App

republitarian said:
OP did charge the phone for a bit....like 3 times don't know for how long....but nonetheless amazing stats...
Sent from my Galaxy Nexus using XDA App
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No, he didn't? Look closer on first screenshot. There is no sign of charging on those lines below the graph. Those places where graph line goes up are pretty normal and that doesn't mean device war charging.

republitarian said:
OP did charge the phone for a bit....like 3 times don't know for how long....but nonetheless amazing stats...
Sent from my Galaxy Nexus using XDA App
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There's no charging there.
Line is going up for a little, but that's normal and it often happens in my phone too.

republitarian said:
OP did charge the phone for a bit....like 3 times don't know for how long....but nonetheless amazing stats...
Sent from my Galaxy Nexus using XDA App
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Nah I didn't charge it at all, as the other guys pointed out. I remember my battery dropping to 4%, I then put down my phone and when I came back later on, it was reading 5%. I thought I was going crazy, but looking at the graph now I see it really did happen. It raised from 4% to 5% and stayed there for a bit before dropping to 4% again.
Anyway, I hope this wasn't a one off... it's not doing as well today with the same usage. We'll see...

martonikaj said:
Not bad at all! Especially considering 74min of phone calls.
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Actually, the phone calls don't do much damage... You should be able to talk 11hours on this phone apparently...

I am very jealous. I am lucky to get 3-3.5 of web surfing.

With standard battery, you can get almost 11 hours screen on time (by doing nothing):
http://forum.xda-developers.com/showthread.php?t=1366878&highlight=max+battery
So, that's the limit
My experience with extended battery, 2000 mAH, GSM, I could get 4 and a half screen on time with 61 hours stand by time. For sure, it can go down to 6 hours or more screen on time if I down the standby time. All with stock ROM, stok kernel, un-locked
It is not difficult to achieve that knowing the limit, all depends on how you set it up and how do you use your phone.

[Q] JB Battery performance

Hi!
Just wondering if someone has tested the battery performance for JB compared to stock ICS 4.0.4.

Less than 24 hours is not long enough for any definitive tests.

Too soon too compare... :screwy:
Sent from my Galaxy Nexus using Tapatalk 2

I've plugged a car battery to my nexus with jelly bean, and for now I have 99% using it for 7 hours. So far so good
Now seriously, jb is so recent...
Sent from my Jelly Belly using xda premium

if you connect phone to mobile version of nuclear reactor... you will never have to charge it again... EVER!!!!!!!!
and for the this first day of use... playing with phone every day (I have my nexus one week old now, so Ive got new battery), Im on 37 percent left now, but its a really very very early to compare

My phone is down to 47% with 4 hours in, and an hour and twelve minutes on screen..but it is my first charge, And stock kernel.
Sent from my Galaxy Nexus using xda premium

So far 10.5 hours and 1:45 screen time I'm at 48%.
Pretty much the same as ICS for me.

JB has been brutal on my battery life so far.
See the graph below. The dips Down are consumption. The far right is jelly bean... see how much more it drops down? It's using more battery power.
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EP2008 said:
JB has been brutal on my battery life so far.
See the graph below. The dips Down are consumption. The far right is jelly bean... see how much more it drops down? It's using more battery power.
Sent from my Galaxy Nexus using Tapatalk 2
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I wonder if that is due to the new governor that instantly ramps the CPU to max speeds when a touch event is sensed or expected.

With bixie's ROM and the stock kernel, I'm estimated to get 4 hours screen on time which is excellent. Pretty much the same I've gotten with ICS.
Sent from my Galaxy Nexus using xda premium

EP2008 said:
JB has been brutal on my battery life so far.
See the graph below. The dips Down are consumption. The far right is jelly bean... see how much more it drops down? It's using more battery power.
Sent from my Galaxy Nexus using Tapatalk 2
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Click to collapse
Maybe it's just because your screen is on more since you're still "exploring/fiddling"

It's actually much better for me than ICS - already 4 hours of screen time (68%) and I'm still left with 35% battery.
This is quite impressive to me because I could barely make it to 4 hours on stock 4.04.
Sent from my Galaxy Nexus using Tapatalk 2

harveydent said:
Maybe it's just because your screen is on more since you're still "exploring/fiddling"
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Well, I'd believe that if the "normal ICS" dips was off-screen usage, but they are the same apps I used before and after.
I'll wait a few days, since JB is likely doing some background processing for its new features, but I can say the device was running hot since installing it.

Well I got an app to measure CPU usage and jb certainly does ramp up the CPU to 100% when simply dragging your finger across the screen.
I wonder how Google offset the battery loss caused by this. I'd certainly take ICS smoothness ( which wasn't bad) for longer battery life.
Sent from my Galaxy Nexus using Tapatalk 2

Since upgrading, my battery is being punished by Media service - it's used over 60% in a couple of hours!
Something not quite right here. I didn't format the SD partition when I updated (but I did do data/system etc. Maybe I need to format the SD too, but I don't see an option in CM for that?

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?
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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 %
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whynot66 said:
Have a look at cpuspy on the market check that your going into deep sleep what %
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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 !!

this my HOX Battery screenshot, is it good enough ?
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Aimen7 said:
this my HOX Battery screenshot, is it good enough ?
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yeah it is

Can you show us your Screen-On-Time?

compe said:
Can you show us your Screen-On-Time?
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well, it should result 9Hrs 3mins

it is the​CyanogenMod 10

Screen time?

faiz02 said:
Screen time?
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wrote that above....

matt95 said:
well, it should result 9Hrs 3mins
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Unfortunately it won't be that much. Maybe someone can explain how it gets measured. Look at mine for example.
Sent from my HTC One X using xda app-developers app

matt95 said:
well, it should result 9Hrs 3mins
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You wish, I wish, we all wish..

eyosen said:
You wish, I wish, we all wish..
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Most people get from 2-3 hours screen time and around 18 hours battery.
Sent from my HTC One X using xda app-developers app

How are you all getting so much battery life out of it?
Mine doesn't even last a day, with like 1 hour screen time.
Any tip appreciated, thanks.

Im also losing battery fast...even when im not using it, kept it in deep sleep, it still losing battery about 1% in 5 minute...is any kernel that good with battery life...there is something that eating the power...

me too is losing the battery fast, even after updated to ARHD 17.1 (JB), it sucks a lot where it could drop to 40% within four hours and minimal screen on usage. Really make me wonder if it is hardware problem because have flashed different ROM but still yield the same result.

hit it with a thunder...that should do the trick

I think the best battery life Rom it is venom viperx...after 24 hours with 3 g and data on I have 2%...the screen was on 2h13 m with auto brightness and calls 1h55m...some mails,facebook,xda...I think i'm not gonna try jb...this rom it's perfect and verry customizable:thumbup::beer:
Sent from my HTC One X using xda premium

I also had major problems with battery life on my HOX. My solution so far is to dissable synchronization of Google Contacts, This gives me a gain of at least 50% generally.
I've attempted to dissable services one by one, and Contacts appears to be the culprit.
Try this and let us know..
Edit:
Im on stock JB european rom

Been watching a movie on MXplayer and battery is down to 68% from 100%, screen on time is 1 hour 50 minutes. Which suggests that I can watch movies for 4 hours+.
Don't have the screenshots to prove it now that i've started charging my phone.
Oh yeah, matt95 measured it by the screen using 45% out of those hours, which equals 9.3 hours. Doubt that it's right though.

Battery drains fast for the first 20-25% on Jelly Bean

Hey All,
I hope someone here can help me out. I am on stock rooted JB and the batter drains extremely fast for the first 20%. In about an hour I am down to about 75-80% left. Then it slows down. Also when I unplug the charger the battery immediately looses 5%. I might have to go back to Ginger Bread because this update is so buggy.

I m having the same issue.
Was having 2-days battery life with ICS.
Update to JB with new TMobile radio. Battery lift drop so fast. Only for 1-day. Same usage. Now back to ICS. Still cant get 2-days battery life. Any one has the same problem?
Sent from my SGH-T989D using xda app-developers app

I switched back to Ginger bread. JB has nice features but its too buggy and everything crashed even after a factory reset and debloat.

It will take a couple of days (a week maybe) until the phone settles down into its own. Until that time you will see very random battery stats. It has happened to me on every new OS I have ever flashed. Several reboots followed by a ten minute "no touch" helps me. Meaning boot the phone, let it sit for ten minutes, reboot the phone, let it sit for another ten minutes, etc. After about four reboots like this my battery becomes more stable and predictable.

Same problem. My battery drop so much. I used deep sleep battery saver but seem cant help more.
Sent from my SAMSUNG-SGH-T989 using xda premium

Sounds like you guys might have have some rogue apps but also it does take a little time for the ROM to settle in
Sent from my SAMSUNG-SGH-T989 using xda premium

I froze or uninstalled everything there is to freeze and uninstall. The only thing that syncs is the email every 30 min. Thats it. I am a light user and on GB I get 3 days of battery life on a single charge. After this update I cant get half a day. I never heard of ROM that needs to settle, is it like a new puppy or something

Damn that's crazy I've never seen 2 days
Sent from my SAMSUNG-SGH-T989 using xda premium

On GB for 12 hours with 70% left. I have been using the phone quite heavily today. I can usually get about 3 days out of it with light use an only email sync.
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Yeah that's wild but I prefer having the latest and greatest I can deal with at least getting a day out of my battery ha I have 4 spare batteries always fully charged ready to go
Sent from my SAMSUNG-SGH-T989 using xda premium

megaforcer said:
On GB for 12 hours with 70% left. I have been using the phone quite heavily today. I can usually get about 3 days out of it with light use an only email sync.
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You used the phone quite heavily? You barely have any screen on time. That is not heavy at all.

What the stats don't show is that my screen was on for at least 2 hours that morning while I was trying to restore GB from backups. It took at least 5 attempts to get it to work properly.

thakrew317 said:
Damn that's crazy I've never seen 2 days
Sent from my SAMSUNG-SGH-T989 using xda premium
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+1 to that! 3 days is crazy!
megaforcer: Can you please post screenshots with battery lasting 3 days?
Also, what GB ROM are you using for that kind of life?