Which kernel for best battery life? - Thunderbolt Q&A, Help & Troubleshooting

Also does BFS give better battery than CFS?
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Nikolai2.1 said:
Also does BFS give better battery than CFS?
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I would say to try any of the ones here http://forum.xda-developers.com/showthread.php?t=1024338

mikeyinid said:
I would say to try any of the ones here http://forum.xda-developers.com/showthread.php?t=1024338
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I can't get more than 8 hours on those even while idling for half the time
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Ziggy's bfs kernel. Google Ziggy bfs kernel for mecha. You'll find his site. Its been amazing on heavy use I went over 16 hrs with still 19% left yesterday. Try it out!
Thunderbolt Rooted!

andrew53517 said:
Ziggy's bfs kernel. Google Ziggy bfs kernel for mecha. You'll find his site. Its been amazing on heavy use I went over 16 hrs with still 19% left yesterday. Try it out!
Thunderbolt Rooted!
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That kernel gives me horrible standby time. I left it alone for two hours and it dropped 17%
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I'm using Lean Kernel... Drastic change on my battery life. Everywhere between 11-15 of use. And that is OC'ed to 1.4. Only profile I have setup is a Screen Off 380 throttle down.
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DroidTh3ory said:
I'm using Lean Kernel... Drastic change on my battery life. Everywhere between 11-15 of use. And that is OC'ed to 1.4. Only profile I have setup is a Screen Off 380 throttle down.
That's probably why you're getting good battery life.
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Related

Big battery increase..

So I use my phone quiet a bit like almost constantly and I usually struggle to get 5-6 hours out of my phone.. I had done an avs antivirus pro scan and deleted a few useless sprint apps (using avs antivirus pro if you go into tools and tuneup) then I did a battery calibration the next morning when I had 100%,(which I had done before) ive now been today gotten a little over 8 hours! (actually the final time I got was 8 hours 8mins and 8 seconds )
Just a tip dont know if this will be consistant for everyone post back your results if you try it!
(this photo isnt quite at 8 hours but that 1% of battery life lasted quite a long time!)
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Best I've gotten so far. That was during an average work day, heavy usage before and after work with moderate usage while at work during smoke breaks and such.
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roundeye1987 said:
Best I've gotten so far. That was during an average work day, heavy usage before and after work with moderate usage while at work during smoke breaks and such.
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I call that bs lol! Wish I could get that much battery
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Exactly at 50 percent, on and off wifi and bluetooth all day
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Or you could just turn off mobile data expect when you need it.
I'm going to see what I can get with it underclocked to 750mhz(second core disabled) and mobile data turned off.
This is on Rock rom, with the 1.3ghz rom from it, and I uninstalled moto portal and task manager.
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Stock rom rooted
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I feel like I have a big battery problem D:
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You need a new battery, my worst battery life has been around 10 or 11 hours
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D; this was my best battery life so far..
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DWake014 said:
You need a new battery, my worst battery life has been around 10 or 11 hours
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+1
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Oh and for reference im running cm7
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How did you disable the second core
TrojanZulu said:
Or you could just turn off mobile data expect when you need it.
I'm going to see what I can get with it underclocked to 750mhz(second core disabled) and mobile data turned off.
This is on Rock rom, with the 1.3ghz rom from it, and I uninstalled moto portal and task manager.
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jokersax11 said:
How did you disable the second core
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You posted on the kernel thread that underclocking to 750mhz disables the second core. I tried it on multiple kernels and it gave me similar results on all of them, in battery life and benchmarks.
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That only worked on that one kernel.
I'll be making another soon
TrojanZulu said:
You posted on the kernel thread that underclocking to 750mhz disables the second core. I tried it on multiple kernels and it gave me similar results on all of them, in battery life and benchmarks.
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The worst observed battery life was about 3 hours when using the phone in a poor signal location and doing lots of web surfing. Max battery life observed so far was 37 hours just about 5 days ago.
I had good improvement after killing Sprint apps too. I still need a bigger battery through....

Rez rom antutu score 7300

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ICS I assume?
No battery on the taskbar :/ lol
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ombracol said:
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check this out
kryptik06 said:
No battery on the taskbar :/ lol
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The battery is that thin white bar at the top
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My most recent one OC'd to 1.8 and on Nils latest rom I got a total of 7,618.
That's amazing! I haven't seen a need to OC though, phone runs smooth as butter for me on CleanROM ICS.
Push it to the limit if you can, why not? I have the extended battery and I'm a speed freak (no, not a meth head lol) so mine is always at 1.8 GHz and 100% brightness.
over clocked. lol
Not as high as you guys, this was on clean rom dev only overclocked to 1.7
I am running CleanROM ICS 4.2.2 and got this today. It is the highest I have gotten yet.
I quit running this meaningless app a long time ago when I realized the score could vary by over 2000 points without the phone performance varying even the tiniest bit.......
Ok here's my best score with CleanROM 4.2 Pro oc to 1.836MHz
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That's nothin. I got this score on Antutu back in 1985.
LOLOL No really, this is mine running Sebastian's OC kernel at 1836

[Q] Signal boost

Is there any way to edit anything in the phone to increase signal in any way even if it drains battery quicker??
A good kernel
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Efrencalvario said:
A good kernel
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any that you recommend im running the latest viper rom and using the built in kernel
Most people will tell you to try anthrax(chands kernel) I suggest you don't because I use to be running viperom with anthrax and my batter would die on my so fast. Even without q signal boost.
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Chads kernels run fine.
#Root-Hack_Mod*Always\
iTzLOLtrain said:
Most people will tell you to try anthrax(chands kernel) I suggest you don't because I use to be running viperom with anthrax and my batter would die on my so fast. Even without q signal boost.
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There was a time recently there was a known issue of battery drain but it was quickly fixed. Running great now.
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Correct. Also the battery drain issue was only on certain kernels.
#Root-Hack_Mod*Always\

[Q] CPU Speeds and Clocking

Hey guys...
I'm running Gingeritis 3D v1.2 with Ziggy's kernel.
What's the best settings to get better and longer battery life?
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Use imos kernel, 1024 max ,smartass governorv2 and undervolt -75 all across the board if possible.
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Should it work fine with Gingeritis 3D?
I've actually never flashed a kernel... so if I do flash this kernel, will it remain there even after I change to another ROM?
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If you change roms you'll change kernels unless you are using a Rom that has the same kernel. It's not like radios. It's easy to flash just wipe caches and flash the kernel in recovery.
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disconnecktie said:
If you change roms you'll change kernels unless you are using a Rom that has the same kernel. It's not like radios. It's easy to flash just wipe caches and flash the kernel in recovery.
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My current ROM, Gingeritis 3D v1.2, is a sense based ROM that came with Ziggys kernel. So because my ROM is sense based, I must find the most recent kernel by Imoseyon that is a GB/Sense kernel... correct?
Can you help me verify that this is the correct and most recent kernel available that is compatible with Gingeritis 3D v1.2?
Link: http://rootzwiki.com/topic/603-kern...kernel-620-6312-camcorder-fixed/page__st__840
Thanks a lot for you help man.
You always seem to help me.
Try version 6.1. It's based off of 605.9 so it should work just fine.
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Okay, thanks man. Flashing it shortly.
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Flashed and phone runs nicely so far.
I'll get back at a later date to report battery life.
Thanks so much man!
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RBarnett09 said:
Flashed and phone runs nicely so far.
I'll get back at a later date to report battery life.
Thanks so much man!
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You're welcome. Glad its working out so far.
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Very noticeable battery life difference.
So far I am running your recommended 1024000MHz max and 245760MHz min on the smartassv2 governor.
Across the board right now I am actually -125 and it still runs perfectly. May keep dropping it as long as it can handle without freezing, or is this bad?
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RBarnett09 said:
Very noticeable battery life difference.
So far I am running your recommended 1024000MHz max and 245760MHz min on the smartassv2 governor.
Across the board right now I am actually -125 and it still runs perfectly. May keep dropping it as long as it can handle without freezing, or is this bad?
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It isn't bad just remember not to check apply at boot so that if you get a reboot it doesn't get stuck at that voltage.
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disconnecktie said:
It isn't bad just remember not to check apply at boot so that if you get a reboot it doesn't get stuck at that voltage.
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Yeah, that would suck. Lol.
Thanks a lot man! You definitely showed me a way to get longer life out of my battery.
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Kudos to the Pimp My Rom app

I have a rooted N2 with a stock rom. After installing the pimp my rom app- alpha version from Google Play... I am getting tremendous battery life. 3 days without a charge (moderate to light use).
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Pretty sure that is just the phone and large battery . I get two days in one charge and moderate to heavy use without that app. Mind adding some more detail as to what you are doing with that app or what songs you use ?
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I get roughly 4 days of standby and 4 hours screen time between charges.
http://i49.tinypic.com/ztzq51.png
http://i46.tinypic.com/mw8aw1.png
You also charged a little bit in there lol
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hopesrequiem said:
Pretty sure that is just the phone and large battery . I get two days in one charge and moderate to heavy use without that app. Mind adding some more detail as to what you are doing with that app or what songs you use ?
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Exactly. I barely touched my phone today. 38mins of screen time. And that 38mins was CSR on lunch. With the battery on the N2, you dont need any fancy battery saving apps.
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chrisjz said:
Exactly. I barely touched my phone today. 38mins of screen time. And that 38mins was CSR on lunch. With the battery on the N2, you dont need any fancy battery saving apps.
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Precisely. I just went 41 hours on my last charge with 5 hours screen time. Just using jelly beans and pbj kernel. That's it. No app needed haha just beast ass dev's supplying the best software I've used on any phone.
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hopesrequiem said:
You also charged a little bit in there lol
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Was also at 32%. If I hadn't of charged that little bit, it would have been at around 5-10%.
My intent was to speed up Stock. What I got was both speed and increased battery life. I/O tweaks, Kernel, sysctl, process priorities and much more.
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I've gotten 5-6 hours of screen time already on my phone, and I could probably go almost 3 days between charges during the week if I really wanted to.
How is it?
jpatt said:
I have a rooted N2 with a stock rom. After installing the pimp my rom app- alpha version from Google Play... I am getting tremendous battery life. 3 days without a charge (moderate to light use).
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Had Pimp my rom for my gnex, how is it for note 2?
Last time I ran pimp my rom, most of its tweaks were placebo and did absolutely nothing.
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Its an awesome app but I wish he continued the development because it could have been even greater
Awesome graphics
chrisjz said:
Exactly. I barely touched my phone today. 38mins of screen time. And that 38mins was CSR on lunch. With the battery on the N2, you dont need any fancy battery saving apps.
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How'd you get that status bar, mate?
And yeah, PMR is awesome. Also enhanced my display with Bravia Engine 2.
What does it even do?
geoff5093 said:
What does it even do?
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A bunch of build.prop edits and init.d scripts, 90% of which are placebos, the other 10% of which are probably already in any ROM or kernel you're running.
Stock rom and kernel
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jpatt said:
Stock rom and kernel
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Screen time?
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