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[Q] Best battery life ROM?

What's the best ROM for battery life at the moment? I've been stock because of the various problems with nonofficial GB ROMs, it's probably the most functional, but one of the least stable.
What's a good ROM that has good battery life and is stable/functional? Or is good functionality going to be hit and miss for various people until official GB?
One other thing. The hell does AOSP mean?

I'm currently using juwe's smart edition (props to big fault for the port!) with a j2 modem and entropy's DD and my battery life is amazing
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How's the functionality?
So far on all GB ROMs I've tried something that almost everyone uses doesn't work, and some apps force close, and there's other problems...

Nothing wrong with gb roms based on Rogers gb, except for HDMI not working, but who uses that anyway? I'm on infused 2.2.3 right now, I get about a day and a half of moderate use. There are really only bugs with miui., cm7, and any hellraised roms... infused or any of the leaks are fine.
AOSP = android open source project.
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No one mentions what's working and what isn't on the leaked ROMs. Is HDMI, bluetooth, wifi, GPS, etc all working on say UCKK1?

Pretty sure everything except HDMI... I could be wrong though.
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This is a horrible question to ask. Batt life is gonna be diff for each user. You wont know the answer to the dumb question unless you try it for yourself.
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Now now, it isn't a dumb question. Roms like miui are going to have worse battery life because of the complexity, where stock based will have less battery drain. It comes down to trying it yourself, but asking for a little advice isn't a problem...
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Perpetrator said:
Now now, it isn't a dumb question. Roms like miui are going to have worse battery life because of the complexity, where stock based will have less battery drain. It comes down to trying it yourself, but asking for a little advice isn't a problem...
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Click to expand...
Click to collapse
Just to go against the miui thing, I'm running cm7 which is very related to miui and my battery life is 3x that of any sammy based roms I have tried lol. Up to you though...

Perpetrator said:
Now now, it isn't a dumb question. Roms like miui are going to have worse battery life because of the complexity, where stock based will have less battery drain. It comes down to trying it yourself, but asking for a little advice isn't a problem...
Sent from my SAMSUNG-SGH-I997 using XDA App
Click to expand...
Click to collapse
I had perfect batt life on miui when i wanted it. The only answer to the question is to try it yourself. Someone says this roms batt life is amazing and you flash it and hate the rom then youre back at square one. Answer is really simple....TEST ROMS OUT AND FIND WHAT YOU LIKE!
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Defiant to the End said:
How's the functionality?
So far on all GB ROMs I've tried something that almost everyone uses doesn't work, and some apps force close, and there's other problems...
Click to expand...
Click to collapse
Yea there are a lot of minor setbacks, but there are few to no roms specifically for the infuse...I haven't tried cm7 or miui yet but I've tried most of the stock based roms and juwe's smart edition has had the best overall performance (with the help of a couple other tweaks). Just do what I did and play around with a couple things; its tedious but fun at the same time and you learn a lot along the way
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The latest cm7 build is the best... unbelievably stable and awesome on battery life
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Doctor's v8 rom IMO very nice and stable
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I'm on Sensation ROM 1.1, with Core-A Kernel and UCKK1 modem. GPS is almost instant lock, Downloads 4-8 Mbps (depending on location w/o wifi), uploads 2+ Mbps. Using 3 email accounts, pushed. Go Launcher.
right now I'm at 17% battery remaining, after 24 hours, which included emails, web browsing, watching 3 fantasy football scores yesterday all day long, FB, etc. No alot of intense use, but steady, regular usage.

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intelligencexan said:
The latest cm7 build is the best... unbelievably stable and awesome on battery life
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Did you make any additional mods to cm7 or is it all stock? I was considering trying it out...
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Best Battery Life Kernel

I'm running synergy nightlies and am looking for a kernel that get the best battery life... I don't need over clocking or anything like that I keep the phone in power saver mode if that even does much... If anyone has some information on this that would be great!
Also is the kernel that comes with the latest synergy nightlies good on battery? Thanks!
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You try just using setcpu and keeping the max frequency at like 1.0?
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http://rootzwiki.com/index.php?/topic/31329-[kernel][touchwiz]-Leankernel:-Minimalistic-Kernel-(8/30---v0.6)
Seems like this kernel sips battery!!!
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I've found that using setcpu and keeping ziggy's synergy kernel at 1.51 max and .384 min with the ondemand has been stellar in battery life. Those are the default kernel settings for the stock samsung kernel. Its been great for me, but its also all relative to what you consider to be "best battery life" i keep a charger at work, at home, and in my car, so my phone is always plugged in, i also keep the brightness all the way down because that seems to be bright enough for me, and i don't do much streaming since i keep all my music on my sd card. But i can easily get 3 - 4 hours of screen on time
If ziggy's kernel isn't your choice then i'd say go with imoseyons lean kernel, i used that all the time on my tbolt and it definitely improved battery life. That kernel can be found HERE he doesn't have a thread for it on xda, so you'll have to download it here.
Oh and if you do try out imoseyon and want to return to ziggy's kernel, there's a link to download ziggy's kernel in the OP of the synergy thread.
I hope this helps

Neverendingxsin said:
I've found that using setcpu and keeping ziggy's synergy kernel at 1.51 max and .384 min with the ondemand has been stellar in battery life. Those are the default kernel settings for the stock samsung kernel. Its been great for me, but its also all relative to what you consider to be "best battery life" i keep a charger at work, at home, and in my car, so my phone is always plugged in, i also keep the brightness all the way down because that seems to be bright enough for me, and i don't do much streaming since i keep all my music on my sd card. But i can easily get 3 - 4 hours of screen on time
If ziggy's kernel isn't your choice then i'd say go with imoseyons lean kernel, i used that all the time on my tbolt and it definitely improved battery life. That kernel can be found HERE he doesn't have a thread for it on xda, so you'll have to download it here.
Oh and if you do try out imoseyon and want to return to ziggy's kernel, there's a link to download ziggy's kernel in the OP of the synergy thread.
I hope this helps
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Really helpful dude! Thanks again!
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pschatz12 said:
Really helpful dude! Thanks again!
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Click to collapse
Your welcome, glad i could help

mysterysauce said:
http://rootzwiki.com/index.php?/topic/31329-[kernel][touchwiz]-Leankernel:-Minimalistic-Kernel-(8/30---v0.6)
Seems like this kernel sips battery!!!
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Click to expand...
Click to collapse
This
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S.V. said:
This
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Click to collapse
KT747 is a pretty baller kernel with lots of govs. I was on lean but I'm liking this one much better so far, including battery life. It's in Original Dev if you wanna check it out.

Zalithian said:
KT747 is a pretty baller kernel with lots of govs. I was on lean but I'm liking this one much better so far, including battery life. It's in Original Dev if you wanna check it out.
Click to expand...
Click to collapse
Just so the op knows kt747 is an aosp kernel and should not be used on touch wiz.

I'm pretty happy with lean kernel and I came from a Razr Maxx
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Neverendingxsin said:
Just so the op knows kt747 is an aosp kernel and should not be used on touch wiz.
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Click to collapse
A TW version was released yesterday.

I am running the KT TW kernel now. Seems to be running great. Lots of great features.
http://forum.xda-developers.com/showthread.php?t=1853816
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mysterysauce said:
I am running the KT TW kernel now. Seems to be running great. Lots of great features.
http://forum.xda-developers.com/showthread.php?t=1853816
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I really enjoyed his CM10 Kernel. However on Beans 10 this kernel just ate battery and completely killed my performance. IMO .4 seemed the best on my phone.

[KERNEL] GLaDOS by Ezekeel

I'm just a user here and I take no credit for this kernel. This kernel was made by Ezekeel and is posted in his thread on RootzWiki. However I thought it would be a good idea to link it here for those who didn't know about it, If this is not allowed, please delete this thread.
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​
The latest innovation in human-smartphone interaction. Our scientist have shown in extensive tests that humans operating our kernel on their devices experience 67% more joy in life while simultaneously the likelihood of being maimed or killed by falling space debris is significantly reduced. Also preliminary human trials indicate that it might offer some protection against lethal dosages of gamma radiation and blows to the head with a rod-like object.
Features:
Based on stock Android kernel Jelly Bean 4.1.1 JRO03C
SLQB memory allocator
JRCU
FSync Control version 1
CIFS
NFS client
NTFS read/write support
Cleaned out all unnecessary kernel features and drivers
Various other tweaks
Link to thread at RootzWiki :
http://rootzwiki.com/topic/33256-kernel30-aug-glados-v10rc2/

Thanks, will have a look.
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Battery life ..Using AOKP and GLaDOS kernel...
Over 8 hrs screen on time and still have 9% battery left..
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Tempted to ry this on Codename Android.
Does the app on the market function with the N7 kernel yet?

superleeds27 said:
Tempted to ry this on Codename Android.
Does the app on the market function with the N7 kernel yet?
Click to expand...
Click to collapse
Not yet but it should be updated soon

Flashed this on my N7 its running smooth. This by far is my favorite overall kernel you won't get nightlies with glados but its so stable you don't need them. I think this is the downfall of a lot of other kernels there flakey in the sense that one release is awesome and the next could mess your phone up.

Glados Control app has been updated to work with the Nexus 7
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modstorm said:
Glados Control app has been updated to work with the Nexus 7
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Click to collapse
will be trying shortly with cm10.

litrekid said:
will be trying shortly with cm10.
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Click to collapse
Be careful as it states on his ezekeel`s rootzwiki thread that his kernel does not support CM
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I'm currently running it on Android Me which is based on CM10 however make sure to make a backup just in case.
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I have been running this over the weekend and today, and I can say that it works well with AOKP nightly from 29 Aug
Performance is good, the battery-performance ratio is optimal for me as I don't need performance
It has the stock clock speed and is not as feature rich as Faux's or Morfic's, but I like the kernel how it is, and I am sure it will improve as this is an early version
I recommend trying it, its good on battery and I have not experienced any lag, unlike I experienced with some other kernels
Love it, just thought I'd voice my opinion because I don't have a rootz account

leelaa said:
Be careful as it states on his ezekeel`s rootzwiki thread that his kernel does not support CM
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He doesn't like (and probably rightfully so) that the CM team took a few open source kernel tweaks and modified them so that they weren't triggered in the same manner while not giving credit to the original kernel developers. It was something along those lines; my details may be off a bit.
Meaning color cpu/ffs/fsync/whatever implementation methods may have changed and the Rom Control panel will not be able to tweak them on Glados.
It should boot and work just fine; so long as you're aware that any kernel tweaks that CM10 has in it's settings menu may not work.

Jubakuba said:
He doesn't like (and probably rightfully so) that the CM team took a few open source kernel tweaks and modified them so that they weren't triggered in the same manner while not giving credit to the original kernel developers. It was something along those lines; my details may be off a bit.
Meaning color cpu/ffs/fsync/whatever implementation methods may have changed and the Rom Control panel will not be able to tweak them on Glados.
It should boot and work just fine; so long as you're aware that any kernel tweaks that CM10 has in it's settings menu may not work.
Click to expand...
Click to collapse
Flashed okay. App doesn't have many options at the moment and doesn't support voltage control?
Hopefully can get the same results that others have posted!

So far it doesn't but keep in mind the kernel is still a RC so it will get the rest of the features along the way.
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Seems to be pretty smooth, but frankly, ALL of the kernels seem smooth, lol. I never notice the little things others talk about. I can really only tell the difference on benchmarks.
(I never notice a lot of things...for example, I have never had wifi issues on android device, and as a family we have five devices. And I have owned at least one hard drive since 1988--10 MB MFM baby! --and have never, ever, had one crash. Must be the clean living.)

I'm using it with paranoid android 1.92 and so far it's amazing. Thanks to the OP for bringing this to my attention

Can I tweek this using system tuner pro? I know that there is a companion app for this kernel but just want to ask anyway as I have the pro version or system tuner.
Thanks
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Sure I think you can tweak any kernel with System Tuner
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modstorm said:
Sure I think you can tweak any kernel with System Tuner
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Just flashed it and it seems i cannot tweak the voltage can anyone with the glaados apk confirm that there is voltage setting using the glados app.gonna try and run this kernel in stock and see how it goes then buy the app
Thanks
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The app doesn't have that feature yet for the Nexus 7 try using another app like System Tuner
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KToonsez Kernel Settings

Thought it would would be nice to have a thread dedicated to KToonsez kernel settings and adjustments. This can be the place to share tips of what works best for you. To organize this a bit, list the following....
Is it built for speed, stability, or battery saving?
Min-max CPU freq.
CPU volts if you changed them.
Gov and settings.
Anything else you want to add??
FYI. Scrolling though alot of pictures all in one page on the web or the Vellamo HTML 5 benchmark is the best way to test stability IMO.
Also be careful of running your benchmarks at 2106mhz. They may increase the CPU temp higher than you think. I hit atleast 140 degrees Fahrenheit on the Elephant stress test!! I'm not sure what temp the CPU can really take before it destroys itself.
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Fairly smooth and quick.
Wheatley Gov + stock Gov settings.
96-2106
2106 @ 1325mv
96 @ 800mv
Touch Boost @ stock
This setup seems to keep the CPU from burning up and still puts out the power.
In the taskbar I am running Micro CPU Monitor, Temp Monitor(CPU), and Cool Tool APPS. All this is keeping good track of everything my CPU is doing regardless of what app I am currently using. Its all right there at the top of the screen. Load, Frequency, and Temp.
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What app are people using to adjust the settings. I could have sworn there was a KTweaks app but sure can't find it. Know it came with a ROM I was running.

its called ktweaker.
i put my minimum to 144 thats all i changed.

razz1 said:
Fairly smooth and quick.
Wheatley Gov + stock Gov settings.
96-2106
2106 @ 1325mv
96 @ 800mv
Touch Boost @ stock
This setup seems to keep the CPU from burning up and still puts out the power.
In the taskbar I am running Micro CPU Monitor, Temp Monitor(CPU), and Cool Tool APPS. All this is keeping good track of everything my CPU is doing regardless of what app I am currently using. Its all right there at the top of the screen. Load, Frequency, and Temp.
Sent from my SCH-I535 using Xparent Cyan Tapatalk 2
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Do you have any wake lock issues?

Here are my settings
They are the best mixture of battery and performance that i could find
also stock voltage, and touch booster disabled
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Its great to see someone replying to this thread. I really thought it was going to go dead. Considering this is probably one of the most popular kernels I thought it would take off pretty good. Anyways thanks for your input and keep it coming!
Thanks guys!
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Wheatly Governor, SIO Scheduler, 1512 max 384 min, 384 screen off, touch booster is stock, voltage is stock, and i think thats it

Neverendingxsin said:
Wheatly Governor, SIO Scheduler, 1512 max 384 min, 384 screen off, touch booster is stock, voltage is stock, and i think thats it
Click to expand...
Click to collapse
Whats the battery life like??
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jpeezy1986 said:
Whats the battery life like??
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Click to collapse
Aside from when im at work (signal blows at work) its exceptional, i can manage to get anywhere from 3-4 hours of screen on time or more. Just depends what all i do that day, but i leave 4G on 24/7 and only use WIFI at home, sync stays on as well. Its plenty enough to get me through each day, so about 7am to 10pm.

Neverendingxsin said:
Aside from when im at work (signal blows at work) its exceptional, i can manage to get anywhere from 3-4 hours of screen on time or more. Just depends what all i do that day, but i leave 4G on 24/7 and only use WIFI at home, sync stays on as well. Its plenty enough to get me through each day, so about 7am to 10pm.
Click to expand...
Click to collapse
Thanks been trying out different combinations with the kernel, i like the kernel and the tweaker app too
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jpeezy1986 said:
Thanks been trying out different combinations with the kernel, i like the kernel and the tweaker app too
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Click to collapse
your welcome

Following this thread because it does seem like interesting information that's not easily available anywhere else.
One important thing I see people aren't listing is what ROM they are using, especially if it's AOSP-based or TW-based.
I was running KT747 10/31 release on the first JB TW leak and was getting a lot of strange behavior, even with the stock settings.
I'll be trying it again on the latest release once I get my device dialed in (Clean ROM 4.5) and create a backup.

Do anyone have the link for ktoonsez kernel, trying out a new rom and i want to use this kernel and the ktweaker app..i searched but havent found it yet
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It's in the original android development section.

jpeezy1986 said:
Do anyone have the link for ktoonsez kernel, trying out a new rom and i want to use this kernel and the ktweaker app..i searched but havent found it yet
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Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1853816
Its under Original development, may be how you missed it. I think all kernels are there because they are built from source, someone correct me if I am wrong.

Thanks, The name of the thread threw me off, i skipped over it...when i went back i saw ktoonez
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BTW KToonsez just released an updated version today. Haven't tried it yet.

here is another thread with more info, i follow this one, i hope you find some good stuff here

It's no good. If u can find the 10-28 kernel. That's the one to use. Works great for me.
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[APP]InstaVOLT v1.5 (VDD Regulator)

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InstaVOLT v1.5​
Decided to put it on the market for all devices that meet the requirements.
Quoted from market:
"InstaVOLT is the easiest app for managing your CPU milliVoltage levels. You can undervolt or overvolt your CPU voltage levels by steps of 25 milliVolt. Be sure to check the overall voltage levels after every increase or decrease, so you know what your device/kernel is capable of.
Requirements:
- Root
- Busybox
- Kernel with VDD levels support
Warning:
I'm not responsible for any damage caused to your device, use at own risk!
- If the voltage levels are to low your phone will freeze and you will need to pull the battery
- If the voltage levels are to high your phone will overheat and/or suddenly power off.
Since this is a very early version the app might force close when your kernel doesn't have vdd support.
Updates coming soon!"
Info for our device:
The voltage range of our device is 750mV - 1450mV.
Upcoming updates:
- Support for setting voltages at boot.
- Probably more compatibility / options
Download:
Screenshots:

Thank you brood !!!!!
edit:my thanks are gone for today but i'll not forget to hit thanks tomorrow
edit 2: please let me know if you want to translate into romanian language

Laurentyu1995 said:
Thank you brood !!!!!
edit:my thanks are gone for today but i'll not forget to hit thanks tomorrow
edit 2: please let me know if you want to translate into romanian language
Click to expand...
Click to collapse
You're welcome, and hehe np, I also have that sometimes ^^.
And Ill let everyone know in this thread if I need translations :angel:
edit: thanks for adding review on the market

thanks brood for this awesome and important app

davidteri91 said:
thanks brood for this awesome and important app
Click to expand...
Click to collapse
You're weclome

Nice app Brood, let know when you need some translators

Thanks brood! Once again an incredible job!
Here I publish my voltages with the max UV I can reach with freq between 245-1400mhz, interactiveX and row.
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mrjraider said:
Nice app Brood, let know when you need some translators
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Click to collapse
Thanks, sure! will do ^^
jpacho89 said:
Thanks brood! Once again an incredible job!
Here I publish my voltages with the max UV I can reach with freq between 245-1400mhz, interactiveX and row.
Sent from my GT-I9001 using xda app-developers app
Click to expand...
Click to collapse
You're welcome, thanks!;p
Wow, your overall voltage table is way lower then mine, check this out:
Mine: --------------------------------------------------------------------------------------------------------------------- Yours:
how is the battery life with those voltages?

And I can lower it even 25mV more and works like a charm! But thats the limit, if I lower 50mV the phone freezes.
I will publish complete battery stats at the end of the day, don't know if they will be so good because I think that the mayor problem of battery drain is at lower voltages, I wish I could lower them more.
Anyway my phone is about 2 years old, so battery eficience may have decrease at least a 10-20%.. it's normal to have more drain than with new phone!
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jpacho89 said:
And I can lower it even 25mV more and works like a charm! But thats the limit, if I lower 50mV the phone freezes.
I will publish complete battery stats at the end of the day, don't know if they will be so good because I think that the mayor problem of battery drain is at lower voltages, I wish I could lower them more.
Anyway my phone is about 2 years old, so battery eficience may have decrease at least a 10-20%.. it's normal to have more drain than with new phone!
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Click to expand...
Click to collapse
Really? you can put it to 725 without making it freeze? thats nice
OK thanks, ill wait for the results. and idd the major battery eater isn't the cpu/frequencies.. its something else. as Extreme UV and non UV almost result in the same results xD
And you can lower them more. in acpuclock-7x30.c you can find:
#ifdef CONFIG_CPU_FREQ_VDD_LEVELS
#define VDD_MIN_UV_MV 750U
#define VDD_MAX_UV_MV 1450U
which sets the limits, however, I don't know what will happen
My phone is also almost 2 years old now, and the battery is still prety decent to be honest, I thought it would be lazy as hell by this time ;p

ok I will try it later and give you feedback!
Even 375mhz doesn't lower more, when I reduce 25mV at least the rest frecuencies voltage is reduced.
You know that every single procesor is different, so maybe I was lucky with mine!
Anyway battery is enough good for me, I prefer permormance even if I have to pay a little more battery drain for it.
Thanks!
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Here are my battery stats with the exUV:
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Woa, great app! Thx brood
Hyper/sio, 245-1401mhz

jpacho89 said:
Here are my battery stats with the exUV:
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Thanks a lot for the screenshots, usefull info If I have enough screenshots I can compare them
gemtin92 said:
Woa, great app! Thx brood
Hyper/sio, 245-1401mhz
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Thanks! You're welcome

im gonna test it on my s plus, galaxy nexus, wildfire s and galaxy note 2. will report later :good:
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Nice work! Mine works 1025mv @ 1400mhz and 1300mv @ 1824mhz

tomixdev said:
im gonna test it on my s plus, galaxy nexus, wildfire s and galaxy note 2. will report later :good:
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Nice I'm curious about the results, since I patched it to 1.1 it shouldn't FC anymore when there is no vdd support possible.
In next update i will add "save on boot" (as in a new init.d script)
jormapaappa1235 said:
Nice work! Mine works 1025mv @ 1400mhz and 1300mv @ 1824mhz
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Thank you
edit: v1.2 live on market in a few hours, no init.d support yet but critical fixes for non supported devices

very nice app, really..cant go lower than 2x decreasing (phone freeze)..am using phenom kernel (exuv) bigmem..
Thanks brood. ^_^

m0e_03 said:
very nice app, really..cant go lower than 2x decreasing (phone freeze)..am using phenom kernel (exuv) bigmem..
Thanks brood. ^_^
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Thanks, and if the max steps for -25mV is 2 then you've exceeded the minimal voltage, the minimal mV is 750, everything below that will freeze the phone. everything above 1450 will result in epic core meltdowns :silly:

on my note 2 its unfortunately not working, but also no fc. tried with stock and custom kernel (Adam Kernel)
will post results for my other phones tomorrow because im currently not at home.
btw. i like the idea of setting all voltages down the same amount. nice work bro
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