Battery life on ICS - EVO Shift 4G Q&A, Help & Troubleshooting

Is anybody else having really bad battery life on ICS? Anybody know how to extend it a little? Cuz it is going down 25 % in an hour when its in sleep mode its crazy, I'm trying to figure out what is using all that power and I have had no luck.

What rom/ kernel combo are you using right now?
Sent from my HTC Evo Shift using xda premium

Are you sure your getting deep sleep? Use better battery stats from here so it's free and see if there are any wake locks and to check what speed the cpu used the most
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Testing some ports I'm doing, using sparksco's latest kernel... I'm guessing that's what is happening Strapped, if it is what do I do?

bilgerryan said:
Testing some ports I'm doing, using sparksco's latest kernel... I'm guessing that's what is happening Strapped, if it is what do I do?
Click to expand...
Click to collapse
Start a Google search with the wake lock
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Related

[Q] help with my battery performance?

Can anyone look at these screenshots and advise me on how I can get better performance from my battery? I just flashed SkyICS (latest version) hoping to get better performance from my battery, but it doesn't seem to help. This is with what I would consider medium to heavy usage. I used my phone most of the day to browse the web and check facebook.
Any ideas?
Yeah a bigger battery and some fairy dust
Sent from my SGH-T989 using Tapatalk 2
That's with an extended battery....
Bro heavy users like you and me can only get by by keeping a charger on hand undervolting underclocking
Edit: but 4.0 rom's don't have custom kernels yet
Sent from my SGH-T989 using Tapatalk 2
Looks like the screen has been on for at least 4 hours. All you can really do is underclock it and freeze all the stuff you don't use.
Guess I will research how to underclock.... any good starting points?
You can't if your on ics
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nrm5110 said:
You can't if your on ics
Sent from my SGH-T989 using Tapatalk 2
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Click to collapse
But what if I told you that I do
xcrazydx said:
But what if I told you that I do
Click to expand...
Click to collapse
I would ask you how?
X you really are crazy but your right
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benstudley said:
I would ask you how?
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Click to collapse
I prefer no frills cpu. It will report the wrong settings when the toast pops up, but if you check cpu spy you will see it's working
Here's a couple basic and obvious tips and you might already know this, but no one has mentioned it yet in this thread so...
Turn wifi off when there are no wifi networks to join, but I've heard not to let it sleep when you are wifi connected.
Leave bluetooth and gps off when not using it. I don't let allow any of google's location services to run in the background myself. Not sure how well that helps the battery though.
Some people say leaving off autobrightness turned off will help battery life and some say leaving it turned on is better for battery performance. I'm not sure who is right but you might try it both ways and see if one is better for you.
I've tried most of those things and they don't seem to help.
I'm in an area with lte but coverage is spotty at work. Could that be what is mainly killing the battery?
Sent from my SAMSUNG-SGH-I727 using XDA
benstudley said:
I've tried most of those things and they don't seem to help.
I'm in an area with lte but coverage is spotty at work. Could that be what is mainly killing the battery?
Sent from my SAMSUNG-SGH-I727 using XDA
Click to expand...
Click to collapse
Crappy signal is a huge drain
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I am using sky ics rom from Sean with base z3 and the latest update... love the performance ....
Sent from my SAMSUNG-SGH-I727 using XDA
here are the screenshots
Here are my screenshots
Edit 1: the screen on time is 2h 12 min and the phone calls are nearly 2 hours
fpshah said:
Here are my screenshots
Edit 1: the screen on time is 2h 12 min and the phone calls are nearly 2 hours
Click to expand...
Click to collapse
This is impressive battery life, if I may ask, what ROM are you using?
88% after 41 minutes of checking facebook and Google Reader? Is that normal? On wifi I should add...
Sent from my SAMSUNG-SGH-I727 using XDA
benstudley said:
88% after 41 minutes of checking facebook and Google Reader? Is that normal? On wifi I should add...
Sent from my SAMSUNG-SGH-I727 using XDA
Click to expand...
Click to collapse
There is no normal, everyone has different setups, different apps, and different lifestyles. If you're saying the screen has been on for 41 minutes, that seems ok.
Thanks for the help everyone. I guess I'll just keep chargers handy

Battery Issue

Seems like my battery dies very fast on my Skyrocket and cant seem to get the right tweaks. I was wondering if someone could tell me what ROM and kernel they are using that has great battery life.
Thanks Finisher1214
Sent from my Galaxy Nexus using xda app-developers app
No. Flash and test yourself
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Finisher1214 said:
Seems like my battery dies very fast on my Skyrocket and cant seem to get the right tweaks. I was wondering if someone could tell me what ROM and kernel they are using that has great battery life.
Thanks Finisher1214
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
Although your intentions aren't meant to be a best of thread it is... no one can really judge a ROM Based on YOUR use...
So you need to try it out on your own and check battery help thread it will help a lot...
So far on my usage embryo and dirty unicorns work good for me but I have Gnex battery
like I said u gotta find out on your own
SkyRocket Dirty Unicorns V1.2 TapaTalk Combo
I have a stock battery and have used every ROM available and I can say that all of them can perform very well if you know what you're doing.
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Finisher1214 said:
Seems like my battery dies very fast on my Skyrocket and can
Thanks Finisher1214
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What's "very fast"? You can get a significant drain in a few hours if your using it intensely.
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jd1639 said:
What's "very fast"? You can get a significant drain in a few hours if your using it intensely.
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Click to collapse
I can close my phone and come back an hr later and its down 10%.....it should not drain that fast. I have a nexus and never does that.
Finisher1214 said:
I can close my phone and come back an hr later and its down 10%.....it should not drain that fast. I have a nexus and never does that.
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Click to collapse
Wakelocks.
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What do you mean?
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mtdew said:
Wakelocks.
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What do you mean?
Sent from my Galaxy Nexus using xda app-developers app
Finisher1214 said:
What do you mean?
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
Do some reading and research
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wakelock is where the cpu dosent go into a deep sleep mode and just keeps pulling voltage
i've had my 727 for about a year now with multiple flashes. if in deep sleep, battery life is VERY good, i'm talking 2-4% attrition an hour tops. but under usage, 15 minutes will drop me 7-10% depending on what i'm doing. does anyone have this same issue?
pussycrusher said:
i've had my 727 for about a year now with multiple flashes. if in deep sleep, battery life is VERY good, i'm talking 2-4% attrition an hour tops. but under usage, 15 minutes will drop me 7-10% depending on what i'm doing. does anyone have this same issue?
Click to expand...
Click to collapse
I get 1% an hour deep sleep, sometimes less, but I don't background sync so...
also my best was 1 day 5 hours with over 3 hours screen on time on LTE only
icenight89 said:
I get 1% an hour deep sleep, sometimes less, but I don't background sync so...
also my best was 1 day 5 hours with over 3 hours screen on time on LTE only
Click to expand...
Click to collapse
Sounds about right for me then. There is definitely some battery capacity loss as it drains a bit faster than a year ago.
i leave LTE on at all times, brightness between low and auto, and my total screen time will be around 1.5-2 hours max.
pussycrusher said:
Sounds about right for me then. There is definitely some battery capacity loss as it drains a bit faster than a year ago.
i leave LTE on at all times, brightness between low and auto, and my total screen time will be around 1.5-2 hours max.
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the only way to get above 2 hours onscreen time is to heavily under volt, -75mV or above if u can. if you aren't already, you're missing out. Battery gains for no performance loss.
icenight89 said:
the only way to get above 2 hours onscreen time is to heavily under volt, -75mV or above if u can. if you aren't already, you're missing out. Battery gains for no performance loss.
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thanks for the reply Icenight89. i've never done this before, just played with governor settings under performance.
do you recommend setcpu or voltage control?
---------- Post added at 06:00 PM ---------- Previous post was at 05:18 PM ----------
I just wanted to say that I installed TFQ Lightning zap kernel on top of vincoms SUPERLITE, and used his recommended underclock / undervolt / governor / io settings. I will report back in a few days once I've had a few runs with this setting.
super lite is a good, stable ROM, no bells and whistles, only what u need for a dd. lightning kernel is stable, and I recommend either voltage control or incredicontrol.
icenight89 said:
super lite is a good, stable ROM, no bells and whistles, only what u need for a dd. lightning kernel is stable, and I recommend either voltage control or incredicontrol.
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Click to collapse
Im using Mohans latest Embryo 6.1 and tried both of the voltage controls you referred to and incdredicontrol gave me messages that stated there was a conflict with the kernel. I Installed voltage control but it appears the minimum I can set it is 192 mhz which is the same settings in the performance tweeks portion of the rom. I read earlier that it could be taken as low as 75. Any idea what I might be overlooking.
26.2man said:
Im using Mohans latest Embryo 6.1 and tried both of the voltage controls you referred to and incdredicontrol gave me messages that stated there was a conflict with the kernel. I Installed voltage control but it appears the minimum I can set it is 192 mhz which is the same settings in the performance tweeks portion of the rom. I read earlier that it could be taken as low as 75. Any idea what I might be overlooking.
Click to expand...
Click to collapse
You can't uv on embryo 6.1. And you can't uc to 75, that's retarded low dude. Dafuq.
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Derp:thumbdown:
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Battery Life?

Anyone have any LEGIT ways to save battery without using like trickdroid? I know, turn the brightness down, turn off 4G, etc, I'm just looking for other ways!
Help is much appreciated!!!
Carson
carsonpyle
Sent from my HTC VLE_U using xda premium
carsonpyle said:
Anyone have any LEGIT ways to save battery without using like trickdroid? I know, turn the brightness down, turn off 4G, etc, I'm just looking for other ways!
Help is much appreciated!!!
Carson
carsonpyle
Sent from my HTC VLE_U using xda premium
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Click to collapse
You can flash a custom kernel like Zarboz's Bricked Beastmode, and then use kernel governors like intelidemand or SmartAssV2. Search the dev threads and read up on kernels.
How many hours are you getting with normal-heavy use??
Do you know what the ratio is, like loosing 1% every 5 mins of heavy usage?
Sent from my HTC VLE_U using xda premium
With really heavy load (demanding game + powering a 400mA usb controller, wifi on) my device drains... well I cant be arsed to calculate per minute, but after 2.5h its drained 80-90% of the battery.
AKToronto said:
You can flash a custom kernel like Zarboz's Bricked Beastmode, and then use kernel governors like intelidemand or SmartAssV2. Search the dev threads and read up on kernels.
Click to expand...
Click to collapse
If I used "Set CPU" could I achieve the same thing? If yes, could you help me?
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"Phone" draining battery..

I have the zerolemon battery Fyi... But why is my phone drainage percentage so damn high?
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You were on the phone a lot today?
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Not at all. I mean I was texting and stuff. But that's about it. Was wondering if something looks wrong
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What radios are you on?
I think that ss usually shows that phone was on for seven hours.
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Droid316 said:
What radios are you on?
I think that ss usually shows that phone was on for seven hours.
Sent from my SCH-I535 using Tapatalk 2
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im on the official latest radio.. and i havent made a phone call today.. out of no where it started acting like this.. did a battery pull even so maybe we will see what tomorrow brings..
whenever i see something taking up an irregular amount of battery i just reboot and it usaully fixes it
Whats your current ROM/kernal combination? I have the same battery; CleanRom RLS6 and Hyperdrive RLS9 I was getting around a day and half.
Pretty sure I figured it out. Seems like it was from the kernel I was using.. The Zeus kernel. Did a few battery pulls and it was still acting up. I was getting 12+ hours screen on time with the battery before I switch from lean kernel to the Zeus kernel. Back to lean and I'm at 2 hours screen on time and battery is at 90 percent. So I think I'm good now.
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mrbracht said:
Pretty sure I figured it out. Seems like it was from the kernel I was using.. The Zeus kernel. Did a few battery pulls and it was still acting up. I was getting 12+ hours screen on time with the battery before I switch from lean kernel to the Zeus kernel. Back to lean and I'm at 2 hours screen on time and battery is at 90 percent. So I think I'm good now.
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I noticed with the zues kernel i needed rom toolbox for any changes to stick. Nothing else worked for me. There are a few apps to check out whats going on (better battery stats, wake lock detectors, and cpu spy) cpu spy will tell you if its going into a deep sleep.
mikeman45 said:
I noticed with the zues kernel i needed rom toolbox for any changes to stick. Nothing else worked for me. There are a few apps to check out whats going on (better battery stats, wake lock detectors, and cpu spy) cpu spy will tell you if its going into a deep sleep.
Click to expand...
Click to collapse
What changes in did you make to the Zeus kernal? I do know its a little power hungry than most; I just recently switched back to my normal battery and it seems to eat at it pretty quickly.
I changed gov. to pega-whatever it is and i/o to Zen.
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[Q] s2w/s2s and dt2w on battery?

I read in different places that enabling these drains your battery, but other places that it shouldn't? so which one is it? because I really want good battery life but at the same time I want fast performance and the dt2w/s2s feature cuz I use it a lot >.< personally no other kernel has matched stock kernel for me, I average about 5:15 hours of screen on throughout the whole day, and the phone is buttery smooth, completely stock (no mods to the kernel at all).
thanks!
If you leave it running all the time (ie not setting power button to turn it off) on this phone it drains. Devs still trying to work out why when it doesn't on other phones.... unless they fixed it and I missed it
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rootSU said:
If you leave it running all the time (ie not setting power button to turn it off) on this phone it drains. Devs still trying to work out why when it doesn't on other phones.... unless they fixed it and I missed it
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oh ok, how can I make the power button turn it off? I'm using faux123 kernel 16
Not sure. Each kernel is different
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rootSU said:
Not sure. Each kernel is different
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oh ok, thanks!

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