Develop Bugs

Kernels

There's a lot of kernels emphazing in battery conservation, my question is, are their any kernels where the performance is the objective, like speed and smoothness?
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LoveisPeace2012 said:
There's a lot of kernels emphazing in battery conservation, my question is, are their any kernels where the performance is the objective, like speed and smoothness?
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For sense roms try out netarchys/toast kernel bfs with out havs, for aosp you could try snap turbo its super fast on cm6.
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Edit; I forgot to add make sure if you have the new 0004 hardware like I do make sure the kernel supports the camera driver or it won't work.

LoveisPeace2012 said:
There's a lot of kernels emphazing in battery conservation, my question is, are their any kernels where the performance is the objective, like speed and smoothness?
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They are all built for what you ask for. The battery thing your seeing a lot of is just an add benefit for the already built kernels. I use Netarchy's 4.2 kernels as they seem to be best for speed and battery.

dirkyd3rk said:
For sense roms try out netarchys/toast kernel bfs with out havs, for aosp you could try snap turbo its super fast on cm6.
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Edit; I forgot to add make sure if you have the new 0004 hardware like I do make sure the kernel supports the camera driver or it won't work.
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Yes I actually do have the new 0004 evolution, does this mean the camera wont work?
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LoveisPeace2012 said:
Yes I actually do have the new 0004 evolution, does this mean the camera wont work?
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You can use Netarchy's beta 4.3 and your camera will be fine. You can get the stock HTC kernel #15 with that SBC battery bit. Your choice. I think you would like Net's 4.3 IMO.

chogardjr said:
You can use Netarchy's beta 4.3 and your camera will be fine. You can get the stock HTC kernel #15 with that SBC battery bit. Your choice. I think you would like Net's 4.3 IMO.
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I went to the netarchy thread but there's like ten different 4.3 versions (SBC, no SBC bfs, SBC cfs) what would be the smoothest?
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I'm 0004 also my phone happen to like his cfs kernels I'm using the less havs with sbc must say battery life is getting better. The first few days are horrible with battery life but it adjust to your usage.
LoveisPeace2012 said:
I went to the netarchy thread but there's like ten different 4.3 versions (SBC, no SBC bfs, SBC cfs) what would be the smoothest?
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Swyped From Eva Running Myn's RLS4.95 or My Rom!

I suggest to start out with Net's netarchytoastmod-4.3-cfs-nohavs-noUV-nosbc-universal (No Undervolting).
This is always the best way to start off. No undervolting, no havs, and CFS usually plays nicer than BFS with most evos.
Use for a few days, and then try the less aggressive UV kernel to see the comparison to nohavs.
Then use that a few days and try the aggressive UV kernel to see how your device likes it.
Then ... you get the idea!
Only way to find what works best for your device is trial and error.
Have fun!
ps. I am still using the CFS-noUV-noHAVS-noSBC with great results. No need for me to undervolt.

yeah its all trial and error... what will work for your evo might not work for mine and so on.
Check out my guide, it may help you out.
http://forum.xda-developers.com/showthread.php?t=894880

Best battery saving kernel?

Any one have ideas for battery saving kernels?
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Well... everyone is different, and all phones take each kernel different. It all depends in your usage and what things you're running. You have to try out different kernels and see. You can try SBC type kernels they work great on my phone. Give that a try. Search and look for kernels in the search box. Hope this helps
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kernel
might want to try netarchys kernels they are great....hes the best

Savaged Savaged Savaged!!

Savaged-zen is an amazing kernel, plus it has SBC which I love. Great battery life, quick. What more could you want?

I personally have good battery with the Tiamat kernel; sbc available if you want it.

OK...first post so here we go. Been using the destroyer rom and the latest sav-zen kernal (v.0.2.0 cfs) for the last two days. My phone responds pretty smooth even being underclocked. The battery life is great compared to stock...yesterday with light-moderate use I was at 17 hours with 30% left. Today over 12 hours of light use but jumping in and out of roaming for about four hours and I'm at 64%. Great job to all the devs
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Sorry, forgot to mention its the SBC, gingerbread version of that kernal
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My setup in sig works well for me. Screenshots can be seen on my Facebook page linked in sig
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Evo battery life....

Ok, I have an evo, running fresh gingerbread rom, and.....the battery still blows, i have tried most if the popular roms and was not impressed, i have set cpu as well, i dont see any change, im not really that good at this stuff so can somebody PLEASE hook me up with a method to make my phone last a day, roms, kernals, set cpu profiles, anything.....thank you all greatly
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If you are on 4g, wireless tether, playing roms, texting, and making calls, then don't expect the phone to last more than 5 hours.
First thing you need to do is start off with a fresh rom... pick your favorite so far.
Reboot
Install kernal (I like tiamat for AOSP or Netarchy for Sense but I suggest you try your own)
Reboot
Install undervolting script
Reboot
Open Google Talk>Settings>uncheck automatically log on then log off google talk
Install SetCpu
If you don't really game or anything then lower your voltages to 125 min 700ish max (you can be more aggressive if you want, but I wouldn't)
Charge phone to a 100%
reboot into recovery
wipe battery stats
Use your phone till it dies
Recharge
I think you will now have a strong phone that can last a good day depending on how you use it

If you still want to increase your battery life after all that
Lower brightness
lower the updating frequency of stocks, accounts, etc
make it a habit of turning off radios when not in use or install Juice defender
Create profile in SetCPU to lower CPU when screen off

All really good suggestions above...
but sometimes it could be just the battery it self... if all else doesn't work try another battery. The previous stock battery was horrible for me even after trying all the settings and etc. Once I got a new battery and did all the setting changes this thing is ready for anything.

What rom are you using? For the best battery life with a rom like cm7 I recommend using an SBC kernel from tiamat 4.0.2 SBC+ and give it a few days to settle in...then when your battery is low around 20% or less charge it for at least 4-6 hours while phone is sleeping..then turn off your phone while plugged in and charge for another hour..then unplug til green light goes off then plug in again til light goes green REPEAT 10 TIMES! then turn on phone while plugged in wait 2 minutes then unplug and battery is improved...do it every time you charge it from low %... this is for SBC kernels...also follow what the others said above me... I use an extended battery on conservative running it at 245 and 768 its been 12 hrs and I'm at 71% with moderate to heavy use...hope this helped
midget tossing is habit...2010 midwest regional champion... hw 001

Click the link in my signature for a good battery conditioning technique and if you want a quick way to reduce battery drain, turn DATA off, unless you need it.

Get tiamat sbc kernel with viperboys scripts
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wow, seems pretty involved, ill give this a shot, im running Fresh 4.0.0.4 rom now, is there another rom i should be using otherwise? i dont use the tether, i just do the youtube thing, facebook,email text and call, nothin to extensive

Try Evodecks 1.0 or 1.2c... Very nice and everything works on it... I'm using Tiamat 4.0.2 w/ sbc, its been 23 hrs and still at 59% thats moderate use though! But just search around and eventually you'll find something that suites your taste... MIUI is also a good rom! Just my 2 cents...

scottgalit61 said:
Try Evodecks 1.0 or 1.2c... Very nice and everything works on it... I'm using Tiamat 4.0.2 w/ sbc, its been 23 hrs and still at 59% thats moderate use though! But just search around and eventually you'll find something that suites your taste... MIUI is also a good rom! Just my 2 cents...
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Thank you sir, im gonna start checkin them out now
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It's not the ROM, you HAVE TO CONDITON YOUR BATTERY!!!
And get rid of SetCPU

HipKat said:
It's not the ROM, you HAVE TO CONDITON YOUR BATTERY!!!
And get rid of SetCPU
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Really, why should i dumo it? And how do i condition the battery
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frankie253 said:
Really, why should i dumo it? And how do i condition the battery
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Dump*
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KINGEVO R5
Netarchy 4.3.4 SBC havs more universal kernel
Juice defender ultimate (custom settings)
Turn off wifi limit
Unchecked auto brightness and set it to anything less than 50%
Turn off 4g
Use wifi if available
That's it. I would get a full day out of my battery with little phone lot of wifi usage. Text. Aim. Words with friends. FB.
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frankie253 said:
Really, why should i dumo it? And how do i condition the battery
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Dumo???????
Click the link in my signature

HipKat said:
Dumo???????
Click the link in my signature
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Dump......my bad
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im using cm nightly 80 tiamat 4.0.3 sbc kernal viperboy v1 -75 underclocked @ 537..runs smooth..battery life is great. im a heavy user,zynga,facebook,XDA,flash everything i can get my hands on lol..battery life doubled stock battery btw
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mfknboss said:
im using cm nightly 80 tiamat 4.0.3 sbc kernal viperboy v1 -75 underclocked @ 537..runs smooth..battery life is great. im a heavy user,zynga,facebook,XDA,flash everything i can get my hands on lol..battery life doubled stock battery btw
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Thank you, I'm probably gonna give cyanogen a go, I hear great things
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frankie253 said:
Thank you, I'm probably gonna give cyanogen a go, I hear great things
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I agree. On CM7, and I have 18hrs 29 and at 73%. Mild gaming...texts...some music.

teh roxxorz said:
I agree. On CM7, and I have 18hrs 29 and at 73%. Mild gaming...texts...some music.
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Wow!! That's impressive, I haven't gotten there yet but I def see I huge change, I just need to figure out this kernal thing, I'm using a savage zen kernal now and it seems pretty fast and the battery is alot better
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Best ROM for EVO4G? (best battery life?)

Which ROM is the best ROM for the Evo4G? The most famous ROMs that I always read about is Cyanogen and MIUI?
which has a better battery life?

I'm using cm7 and thimat kernal not bad so far
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Try them both...
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In my experience MIUI and CM are on similar footing when it comes to battery; it could go either way since they are both pretty similar (MIUI is based off of CM).
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Omgadroid said:
I'm using cm7 and thimat kernal not bad so far
I usually never get good battery life but got over a day on this.
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World peace with no regard for human life.

If you like Sense, I recommend the MikG 2.45 rom. You can then experiment with the new Freedom kernels (currently at version 0.8, with varying versions (stock, less, more, aggressive) which have different degrees of undervolting built in for improved battery life.

I went ahead and tried CM7 on the EVO 4G and it works flawlessly.
I'm sure I can save more battery life if I use SetCpu profiles? Is it o.k. to use setCPU profiles with the kernel that comes with CM7? Or is there a better kernel to use?
Also, i prefer SetCPU profiles because I can use the screen-off profile to underclock and save battery when my phone is not in use.

Miui is not based off of cyanogenmod. Miui is better anyway. IMO that is.
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I love sense 3.0 Roms and you should definitely try one of kings Roms and any other out there. Anyways, if you like aosp then you should def try decks. Great on battery and works flawlessly. His Rom also has the cyanogen settings to overclock and go into detail with your phone
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I have to say Decks ROM is the best I've used. Its very stable and smooth as silk. Using the SavagedZen with BFS Kernel got me excellent battery life...

So far its out of Kinged kingdom or Kings Alliance. My kid sat on my phone and played gun bros for about 4 hours yesterday around midday 10ish - 2 o'clock and the battery still had a little juice left(had not been charged since like 7am). Alliance is a little better to me only cuz it has the hacked hotspot(no error 67).

The Baked Snack ROMs are renowned for battery life.

ens04 said:
I went ahead and tried CM7 on the EVO 4G and it works flawlessly.
I'm sure I can save more battery life if I use SetCpu profiles? Is it o.k. to use setCPU profiles with the kernel that comes with CM7? Or is there a better kernel to use?
Also, i prefer SetCPU profiles because I can use the screen-off profile to underclock and save battery when my phone is not in use.
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Tiamat 3.3.7
World peace with no regard for human life.

Been rocking sense lately but nothing beats decks + savagedzen + vipermod + supercharger v6 for battery life and performance.
Edit: ......in my opinion

could you tell me where you download these from?
including the SavagedZen with BFS Kernel ?
thank you

ericbryce said:
Miui is not based off of cyanogenmod. Miui is better anyway. IMO that is.
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Miui syncs up with the cyanogenmod tree quite frequently actually. While its not based off of cm their vendor trees are.
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Battery Tweaks

I come from the Eris forums, where battery tweak threads were plentiful. Can anyone direct me to such a thread concerning (rooted) INC2s? I'm on CM7, and battery life is so-so on heavy usage. I like to think rooting brings opportunities for ridiculously good battery life, but not w/o some tweaking. Help?

For the most part a majority of devs include there own tweaks into their respected roms. Most will flash a custom kernel which allows overclocking and undervolting. Like I am running miui with areos kernel oc 1.2 and undervolted -50. It is now 9pm and I have been unplugged since 8 and still have 70% with medium heavy use.
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Check out rom toolbox but you gotta pay for the pro version to get battery mods

Linch89 said:
Check out rom toolbox but you gotta pay for the pro version to get battery mods
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I'd rather not pay $5 for something that is only simplifying what I can do myself for free, ya know? I know in the Eris forums they had recommended CPU settings that I could do myself in the CM settings; do we have stuff like that for the INC2?

i usually get at least a day in a half with heavy use. You just need to experiment with custom kernals and different voltages. Not really a simple answer, you need to do the research yourself.

How do I alter voltage? I don't remember that feature on the Eris...
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natemup said:
How do I alter voltage? I don't remember that feature on the Eris...
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Incredicontrol from the market.

Try Drellisdee's kernel, #21. It's already undervolted and can be overclocked.

natemup said:
How do I alter voltage? I don't remember that feature on the Eris...
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On cm7 you'll need aerovans .8 kernel which you can get on rootzwiki. Then install incredicontrol from the market. I undervolted mine 75-100 on all and had no issues with excellent battery.
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http://androidforums.com/htc-droid-incredible-2/326546-incredible-2-battery-saving-tips-thread.html
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#1 cause of battery drain: Global mode enabled. Make sure to disable it in settings/calls and set it to cdma only. My battery basically doubled after doing that. I figured that out the first week I had it.