HAVS, Myn's Battery Tweak - EVO 4G Q&A, Help & Troubleshooting

i'm kind of new to all this, only had my phone for about 2 months and this is really my first adventure out of stock root and unrevoked3.21. so i'm hoping you will be a little gentle with me.
I'm looking to flash myn's twopointtwo and improve my battery life with it. I was thinking of using netarchy's 4.03 kernel and myn's battery tweak with it, but i figured i would come here first and see what input i could get.
from what i understand, HAVS will conflict with the battery tweak or setcpu so i have chosen netarchy's 4.03(non-HAVS) for my kernel. is HAVS better than these? what about setcpu? basically, what will give me the best battery performance?
thoughts? opinions? experiences?
any input would be greatly appreciated!

Myn is good and so is HTC kernel 10. Good battery life and extremely stable. I've had tethering on so my friend at work can check the football scores. Gps enabled, I've been browsing web all day. Talking on the phone via Bluetooth. And it went off charger at 6: 30 to 8:00 so roughly 14 hrs of battery life. I'd say that's pretty good cosidering how heavily used it was. also setcpu will drain the living pizz out of your battery and the tweak makes it worse...
Sent from my PC36100 using Tapatalk

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Please! need best battery saving kernel

Im in great need of the best.
Can you guys tell me what's worked for you? Or where I can start looking? Need a whole day of heavy usage.
Sent From My HTC EVO
with true heavy usage no matter what some people claim and no matter what kernel you get you should expect 8-10 hours max of battery life.
as far as a decent set up i would try Myn's with the netarchy no havs kernel using the collin's battery tweak.

Whats better no havs with setcpu or havs?

Hey guys, I'm just wondering, after reading around the forum, it seems the general concensus is that using setcpu with a havs kernel is not recommended and that it is recommmended for use on no havs kernels. Thus my question is, for better battery life, is a havs kernal such as netarchy's bfs with havs or netarchy's with nohavs +setcpu the best for battery life?
Sorry if i missed something or my facts are wrong. Thanks in advance.
It really depends on your phone. Every kernel works differently on different phones. However, the BEST battery life (to my knowledge/experiments) can be obtained using noHAVS and the Collin battery tweak. It essentially does all the work for you (instead of tweaking SetCPU). However, Netarchy is pretty much a boss and ALL of his kernels are written so that your battery life will be awesome. It's really about trial and error with your specific phone
alright sweet, thanks for the reply
+1
Greenfieldan said:
It really depends on your phone. Every kernel works differently on different phones. However, the BEST battery life (to my knowledge/experiments) can be obtained using noHAVS and the Collin battery tweak. It essentially does all the work for you (instead of tweaking SetCPU). However, Netarchy is pretty much a boss and ALL of his kernels are written so that your battery life will be awesome. It's really about trial and error with your specific phone
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Swyped From Eva Running Myn's RLS4.95 On The Now Network!
after trying to get decent battery life for a long time using SetCPU and Juice Defender combined with other kernels I have finally ditched both of them for the Netarchy more aggressive superior battery charging 4.2.2 v2 kernel with HAVS. I have never been more satisfied with my battery life (well on the Evo that is lol).
deathsled said:
after trying to get decent battery life for a long time using SetCPU and Juice Defender combined with other kernels I have finally ditched both of them for the Netarchy more aggressive superior battery charging 4.2.2 v2 kernel with HAVS. I have never been more satisfied with my battery life (well on the Evo that is lol).
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Click to collapse
Yeah, my phone doesn't like the 4.2.2 builds for some reason However, the 4.1.9 noHAVS and the battery tweak go together like white and rice

Best kernel for Myn's Warm TwoPointTwo

I really like this ROM and was just wondering if I should keep the kernel included or if there is another one that could give better performance/battery life.
Thanks!
Lou's Kernel and Ziggy's are the best imho. Lou's kernel was best on battery life where Ziggy's was best for raw power/ speed. Both give pretty good performance and battery life, one is just better than the other in separate ways. If battery is the most important (pretty awesome speed too) than go with Lou's, if you want the best speed (pretty great battery life too), Ziggy's.
The kernel from stock RLS5 gave me amazing battery life (66% after 8-9 hours of constant use on the stock battery, and same time on the 1750mAh extended got me to 74% with a 1.113gHz overclock)
PGleo86 said:
The kernel from stock RLS5 gave me amazing battery life (66% after 8-9 hours of constant use on the stock battery, and same time on the 1750mAh extended got me to 74% with a 1.113gHz overclock)
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I'd believe him over me... lol, I haven't used RLS5 yet. But in my experience with RLS4 it was the two kernels I mentioned.
It's the ziggy 12/19. The current one (Lou's #4) I haven't tried yet because I don't want to screw up what I have now lol
PGleo86 said:
The kernel from stock RLS5 gave me amazing battery life (66% after 8-9 hours of constant use on the stock battery, and same time on the 1750mAh extended got me to 74% with a 1.113gHz overclock)
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Do you happen to have a link for that Kernal? Searched for it with no luck..
dannynyc said:
Do you happen to have a link for that Kernal? Searched for it with no luck..
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Click to collapse
It's now included in RLS 5.3, check the OP in the Warm Thread
http://www.ziggy471.com/

Battery Kernel

I just rooted my DInc today and I heard about a kernel that ups the battery life. Is there such a thing, and if so, can someone point me in the right direction? Thanks in advance
Most kernels try to improve battery life. Are you running a sense rom or aosp rom?
If you're talking about Savage kernel, be careful... that thing uses an SBC (super battery charging) mod that can potentially harm your device in the long run. I personally am using VirusROM 1.5.1 with its stock kernel and have seen better battery life than SBC, but that's just me.
Sent from my HTC Incredible running VirusROM 1.5.1.
http://forum.xda-developers.com/showthread.php?t=848453
With this kernel my battery quite literally does not go down when it's sleeping (screen off), unless I'm in an area with bad reception. Screen on is also somewhat better than stock - it's hard to improve screen on at all, since that uses the CPU pretty aggressively. However, it does use improved scaling to always try and minimize the CPU load while keeping performance up. All that + HAVS (Hybrid Adaptive Voltage Scaling, which lowers the amount of power the CPU is drawing) = win battery life
Atlas.rouge said:
If you're talking about Savage kernel, be careful... that thing uses an SBC (super battery charging) mod that can potentially harm your device in the long run. I personally am using VirusROM 1.5.1 with its stock kernel and have seen better battery life than SBC, but that's just me.
Sent from my HTC Incredible running VirusROM 1.5.1.
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The superior battery charging kernals will not harm your device, but instead may shorten the life of your battery over time. But at 15 dollars a battery, some believe it to a negligible side effect. Its all personal preference, really.
Sent from my ADR6300 using XDA App
How exactly do I go about installing the kernel? Sorry for such a n00b question, but I only did this today.
Futur Innovations said:
How exactly do I go about installing the kernel? Sorry for such a n00b question, but I only did this today.
Click to expand...
Click to collapse
If you're sticking with the stock ROM then search for a Sense based kernel, then read the OP and associated reviews in the comments following to learn how to install it, current features (what works and what doesn't) and any other possible info you'd need.
If you're planning on installing a different ROM, those already have kernels baked in, so give that a shot first and then try other kernels if you feel the need.
DInc/XDA App
I've had EXCELLENT results with the kernel from Myn's Warm TwoPointTwo RLS5 (NOT 5.2)
I forgot which one it was though... D: I think it was the ziggy 12/19...?
Kernels for Battery
I use the Newest Ziggy Kernel (BFS) with SetCPU set at conservative.
=Great Battery life !!
This kernel also enables other options like SmartASS and Performance, but conservative is a winner for battery life.

Need best battery rom. NEED TO KNOW BY 9a.m.

Right. So a friend of my friend made me root his phone a while back and I threw mikg 2.52 on it and all was good. Now the guy contacted me today and said his battery life was in the crapper and wants me to change it to something more battery life favored since he isn't by a charger for a long time throughout the day. And since I have been using the new ics roms and jumping back and forth often I don't really know what to give him now.
So what's your opinions? I need something stable as a rock and best battery possible. I need this to last him a while since I almost never see this guy... Haha
P.s. I know people hate these kind of post. Just bear with me here because I'm meeting this guy tomorrow morning and have to know what I should flash for him. Also no aosp please.
Sent from my PC36100 using xda premium
You could have him try the one in your sig. It gave me great battery life when I used it, but as always, YMMV. You really have to try them out and see which gives the best battery life for you.
Also could try apps like Juice Defender or similar that aim to optimize battery life.
The only rom i can think of that ive used that doesnt drain your battery would be cm7 or decks gb. Ive used it myself & ive seen good battery life even with my cpu overclocked.
Does it work on viper rom? V2 redline? Thanks! Please let me know
I have the latest MIUI by Swiper, and since 2.2.6, my battery life has been phenomenal with Tiamat kernel 4.1.0, Car-O-Dope tweaks and Vipermod -50.
Phenomenal as in comes off the charger at 6AM and when I get home from work at 5, it's still over 80%
HipKat said:
I have the latest MIUI by Swiper, and since 2.2.6, my battery life has been phenomenal with Tiamat kernel 4.1.0, Car-O-Dope tweaks and Vipermod -50.
Phenomenal as in comes off the charger at 6AM and when I get home from work at 5, it's still over 80%
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Click to collapse
I can confirm this.. ALthough I use 2.3.2 b1 and 3.3.7 sbc kernel as I had some reboot issues with 4.1.0 but yeah.. I'm still at 100 percent at 11:00 am (work at 8).. come home and still at 90. go to bed and hit the charger right above 80. It's unreal.. I consider myself a heavy user too... email,sms,phone calls... etc.
I am currently using Swiper's 2.3.2 b1 with 3.3.7 sbc and have not run into any issues. Battery life is great with this combination for me. Also, keep in mind that I do not run many widgets except an calendar agenda widget.
Myn's Warm series rom's always gave me the best battery life.
i use energy sense 3.5 rom with anthrax kernel. iv had decent battery life w it. about 14 hours or so w moderate use and in and out of roam looking for signal. from what iv read CM7 and MIUI roms are much better with battery life than sense roms. they also seem to be more customizable.
xsisbest said:
I can confirm this.. ALthough I use 2.3.2 b1 and 3.3.7 sbc kernel as I had some reboot issues with 4.1.0 but yeah.. I'm still at 100 percent at 11:00 am (work at 8).. come home and still at 90. go to bed and hit the charger right above 80. It's unreal.. I consider myself a heavy user too... email,sms,phone calls... etc.
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Click to collapse
80% at night with heavy use throughout the entire day? I can't believe that. Screenshot? If someone else can validate this, I might try the rom with LEE kernel.
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He did mention no AOSP (although AOSP really does have the best battery life IMHO)
Koni's Elite Series III combined with netarchy-toastmod HAVS-less had decent battery life, only issue is that was a Froyo build.
kluster1999: I agree, pic would be awesome.
I don't mean to sound rude, but different ROM and kernel combinations can only make so much of a difference. I'm skeptical of claims of amazing battery life with heavy usage because in the end, the battery is still the same size and the large screen still draws a lot of power.
Been having great Battery life with "The Exress" using" Lionfish more" kernnal and smurfed out....

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