Related
When I first joined this forum, I was very impressed with how responsive the XDA community was to answer my questions. I have gained loads of valuable information that has helped me along my way with my EVO. I had one goal in mind; I wanted to customize and modify to increase my battery life. the Q and A forum was the first one that I turned to. I would instinctively try searching for things such as "best battery saving kernels" or "Which rom will provide me with the best battery life" and etc. Of course there are hundreds of threads with people asking these types of questions, the only problem is that they are outdated! I have only been active in this forum for a better part of 2 weeks and it seems like there is a new or beta out every other day!
Developers are quicker than ever releasing new kernels and roms so it makes it difficult to get a defined answer! I figured that the best solution to this would be to have a stickied thread with the community posting there results through testing or just opinion in general, that way it will help stop all of the "best rom" or "best kernel" threads. It would be a great resource to not only people that are new to the forum but for those looking to stay up to date with the best of the best.
Now onto the purpose of this thread.
I realize that everyones phone is different. And that what is best for one phone, may not be best for another phone.
Still I think that a generalization would be very helpful when trying to decide what's best.
Here goes:
Kernel Testing Reports: AOSP and Non AOSP Kernels here: http://home.comcast.net/~ttechnology/htc.html(Not my work, all credit goes to Skyler.
What are your favorite kernel/rom combinations for saving battery life?
Feel free to report your testing results and attach screenshots of juice plotter and etc!
Hopefully the whole XDA community can help keep this updated for reference at any point in time!
With all that said, hopefully I will catch a mods attention and have a chance of this getting stickied.
11/2/2010Myn's 2.2 with Baked Kernel #6
This was my first day testing this combination with moderate to heavy usage. Battery life was not very good for me. I will be trying this again tomorrow to give my phone time to adjust better. Screenshot attached.
Bump...report your kernel/rom history and what has worked best for you!
Well I thought it was a good idea anyways
my battery life on CM6.1. Stock kernel.
david279 said:
my battery life on CM6.1. Stock kernel.
Click to expand...
Click to collapse
That's awesome battery life...how was your usage? Like your dock btw, is that LauncherPro?
jhoffy22 said:
That's awesome battery life...how was your usage? Like your dock btw, is that LauncherPro?
Click to expand...
Click to collapse
I used it sparingly. Some twidroid, some browser, some freecell, a call or two and EVAC(great game). Yea its launcher pro. I grey'ed out everything like the status bar and notification bar. Made it gingerbread like. Or what rumors say gingerbread will look like.....
fresh 3.4, nets 4.2 bfs agressive , been getting 90ma screen off and around 200ma screen on.
i'm really interested to see other battery draw compared to mine.
david279 said:
I used it sparingly. Some twidroid, some browser, some freecell, a call or two and EVAC(great game). Yea its launcher pro. I grey'ed out everything like the status bar and notification bar. Made it gingerbread like. Or what rumors say gingerbread will look like.....
Click to expand...
Click to collapse
Very cool, hopefully more people will become involved with this thread and it can stay up to date. Thanks for you input!
i just got 1d 6hrs out of my evo.
I would categorize my usage as moderate (facebook, texting, phone calls, some game playing, maps, music playing)
Fresh 3.2 w/ launcherpro mem set to high (sense removed)
Stock Kernal 2.6.32.15-g3a8614e
Underclocked w/ SetCPU (screen off 245/screen on 652 max)
Autokiller set to "Extreme"
4g turned off most part of day since i dont get a signal at work.
Turned airplane mode on the second night (went to bed with 6% left...woke up with 6% haha).
Forgot to add
I have always on mobile turned off and background data disabled (only thing noticed with these settings is that 3G wakes up a lil slower when turning on screen and you cannot go to the market unless you turn background data which is okay for me because i pretty much have all the apps i want.)
evo4ger said:
i just got 1d 6hrs out of my evo.
I would categorize my usage as moderate (facebook, texting, phone calls, some game playing, maps)
Fresh 3.2 w/ launcherpro mem set to high (sense removed)
Stock Kernal 2.6.32.15-g3a8614e
Underclocked w/ SetCPU (screen off 245/screen on 652 max)
Autokiller set to "Extreme"
4g turned off most part of day since i dont get a signal at work.
Turned airplane mode on the second night (went to bed with 6% left...woke up with 6% haha).
Click to expand...
Click to collapse
autokiller...like the old autokiller app used back with the sprint hero. I don't think thats needed with froyo.
evo4ger said:
i just got 1d 6hrs out of my evo.
I would categorize my usage as moderate (facebook, texting, phone calls, some game playing, maps)
Fresh 3.2 w/ launcherpro mem set to high (sense removed)
Stock Kernal 2.6.32.15-g3a8614e
Underclocked w/ SetCPU (screen off 245/screen on 652 max)
Autokiller set to "Extreme"
4g turned off most part of day since i dont get a signal at work.
Turned airplane mode on the secondt (went to bed with 6% left...woke up with 6% haha).
Click to expand...
Click to collapse
Sounds like Fresh 3.2 stock is very good battery life. I have heard this before just never tried it out. 30 hours is a long time on a single charge with moderate usage.
david279 said:
autokiller...like the old autokiller app used back with the sprint hero. I don't think thats needed with froyo.[/QUOTE/
I've heard the same thing, that Froyo does a great job of managing background apps and etc. However, when I look in my systempanel app I still see a lot of background stuff running that I didn't even know about, and a ton of apps running in the background.
Click to expand...
Click to collapse
I don't get many apps running wild in the background for me. Um...
I'm pretty new to all this and just recently started trying a non-stock setup and it has been giving me really nice battery results. I don't have have any graphs or screen shots, but the first time i tried to fully drain it on purpose had me laughing hysterically. I was running 100% brightness, wifi, gps, bluetooth and pandora. The darn thing ran for like 5-6 hours straight. I couldn't believe it. seemed ridiculous.
took it to disney yesterday on a full charge. made a handfull of calls and a bunch of texts. checked the weather and a few other misc. things.
came home with 80-75 battery life. was very impressed.
i never got this kind of performance on stock.
Here's my setup:
Myn's TwoPointTwo RLS2
netarchy 4.1.9.1 NoHavs Universal
Collin_ph Battery Tweak by Myn
SpaceMonky said:
I'm pretty new to all this and just recently started trying a non-stock setup and it has been giving me really nice battery results. I don't have have any graphs or screen shots, but the first time i tried to fully drain it on purpose had me laughing hysterically. I was running 100% brightness, wifi, gps, bluetooth and pandora. The darn thing ran for like 5-6 hours straight. I couldn't believe it. seemed ridiculous.
took it to disney yesterday on a full charge. made a handfull of calls and a bunch of texts. checked the weather and a few other misc. things.
came home with 80-75 battery life. was very impressed.
i never got this kind of performance on stock.
Here's my setup:
Myn's TwoPointTwo RLS2
netarchy 4.1.9.1 NoHavs Universal
Collin_ph Battery Tweak by Myn
Click to expand...
Click to collapse
Very nice to see others having success with the battery tweak! It is still my primary go-to for when I know I count on good battery life. Did you happen to check out my guide in my signature?
well from what i read autokiller is not like a "task killer". It modifies/improves how android kills processes if that makes any sense.
been working for me...
We need to be using more descriptive scripts/apps to be comparing such.
For example my ROM is heavily stripped down/modded.
Also consider that everyone should be clearing caches and allowing them to rebuild before testing.
Not to mention anyone who has a flush active (use "top -m 5 -n 1" to see) will have much lower performance.
Neotelos_com said:
We need to be using more descriptive scripts/apps to be comparing such.
For example my ROM is heavily stripped down/modded.
Also consider that everyone should be clearing caches and allowing them to rebuild before testing.
Not to mention anyone who has a flush active (use "top -m 5 -n 1" to see) will have much lower performance.
Click to expand...
Click to collapse
How long do think your phone needs to rebuild a clean cache? A couple days or so?
jhoffy22 said:
How long do think your phone needs to rebuild a clean cache? A couple days or so?
Click to expand...
Click to collapse
Probably a couple hours of usage with some reboots in-between.
As the title says.
I am interested in your opinions.
Which one is the best for battery life?
Thanx
There isn't one in particular as it depends on usage and the apps installed
Fresh roms and the cyanogen 6.1
Sent from my PC36100 using XDA App
Hi folks,
Just a thought,
Is there a clear view on where real battery drain occurs, by this I mean (for example):
o Radio;
o Kernel;
o Keep Alive Apps / General Health Apps / Background Apps.
Incompatibility between components, e.g. Radio and ROM fight over timing or API issues or .....
Like dzontra11 I'm interesterested in having a phone (good battery life like my old 6210 or 6310i) and occasional Game Use with Internet Browsing (including Gmail sync). WIFI in the flat (90%) and a little 3G around and about.
So I guess I'm asking which combos work best for general use and still be usable. My phone (won't say which radio/ROM combo ATM) informed me earlier that the battery was low, which it was. The sodding phone turned off 2 secs later @ 17%.
In my past life I looked at a lot of system performance issues (usually the classic CPU, I/O & Memory). So I'm guessing where are the current thoughts on this are by people that know in detail.
Regards
Colin
Best I have had to date is DeFroST (all versions seem to be close in usage) with juice ultimate looking after things, gets me almost 2 days with moderate usage.
How or where do I find out if phone is going to sleep properly. Suspect that current Rom isn't sleeping properly. (Milestone 6 akop Rom)
Delivered to you via Mayan technology .
PanchoPlanet said:
How or where do I find out if phone is going to sleep properly. Suspect that current Rom isn't sleeping properly. (Milestone 6 akop Rom)
Delivered to you via Mayan technology .
Click to expand...
Click to collapse
Download better battery stats from the market.
Thanks will try, was under the impression that this could be accessed somewhere in system settings.
Pp.
Delivered to you via Mayan technology .
Cpu Spy in the market will tell if your cpu is going into deep sleep
Sent from my SPH-D710 using xda app-developers app
You need cpu spy.
+1 cpu spy
Sent from my SPH-D710
hmmm i am wondering the same thing, mine goes to deep sleep but not as much... its mostly in 200mhz area...
+1 on cpu spy.. Or would that be +3..
---------- Post added at 09:50 PM ---------- Previous post was at 09:43 PM ----------
EVOSerb said:
hmmm i am wondering the same thing, mine goes to deep sleep but not as much... its mostly in 200mhz area...
Click to expand...
Click to collapse
When ya get almost even 200mhz and deep sleep state. IE 200mhz 44% deep S 44%..numbers will vary of course. That is the ideal. Dam near only way to get low 200mhz is in airplane mode.lol..
Thanks guys will give CPU spy a try, been that its free but I see a different Rom in my future. A phone should not be so complicated just to run ICS. I was trying to talk her into staying with gb for a while but she felt left out because her coworkers made it sound like her phone was in the dark ages with gb. After her ff18 ota and initial crappy batt life and her nagging I figured I'd try some akop, aaargghhh, not good. Back to gb until ICS gets fixed. I'll just give her some ICS theme.
Pp.
Transmitted from another galaxy with an Infected P-5113.
Indrid Cole said:
+1 on cpu spy.. Or would that be +3..
---------- Post added at 09:50 PM ---------- Previous post was at 09:43 PM ----------
When ya get almost even 200mhz and deep sleep state. IE 200mhz 44% deep S 44%..numbers will vary of course. That is the ideal. Dam near only way to get low 200mhz is in airplane mode.lol..
Click to expand...
Click to collapse
that's good news to me I guess i am using ondemand governor so i am not sure if that has something to do with it but battery drains fast... not as much as on official ics stock rom but being on on WiFi at work for 8 hours should not drain my battery half way with very minimal usage.
Download CPU spy and sure enough the phone is not deep sleeping enough. Well that's all I needed to know. Gingerbread land here I come.
Pp.
Delivered to you via Mayan technology .
PanchoPlanet said:
Download CPU spy and sure enough the phone is not deep sleeping enough. Well that's all I needed to know. Gingerbread land here I come.
Pp.
Delivered to you via Mayan technology .
Click to expand...
Click to collapse
you know you can fix that quite easily by searching for and reading information available on this forum... I can go 24hrs+ without having to charge with 3-4 hours screen time on ICS...
cp320703 said:
you know you can fix that quite easily by searching for and reading information available on this forum... I can go 24hrs+ without having to charge with 3-4 hours screen time on ICS...
Click to expand...
Click to collapse
I do a lot of reading and searching in this forum, and only this forum have tried other forums and xda is always the best and most informative.
I had sampled some of the early ics leaks on my phone and had some decent batt stats but could not deal with the quirks and bugs the early builds had, that's why I just stuck with gb. I figured by the time ff18 ota got here that the bugs would be gone, will 99% of the bugs are gone, but the battery bug has got to be the worst. Anyways I have switched her phone back to gb with some ics themeing and all is well for now.
Agat'a ics Rom looks promising, maybe in another month or so ics will get that final polish.
Until then, gingersnaps with my coffee.
Pp.
Delivered to you via Mayan technology .
cp320703 said:
you know you can fix that quite easily by searching for and reading information available on this forum... I can go 24hrs+ without having to charge with 3-4 hours screen time on ICS...
Click to expand...
Click to collapse
Can you elaborate on how you accomplished this. I have non rooted stock ICS and i get about 12-13 Hours with Mild use. My battery Stat always shows Android OS between 70-80% utilization as the culprit on the battery drain. I have read literally hundreds of threads over the last month and every post i read that claims to "fix" the battery issue has had zero impact with my phone. I also have a new Battery and the one that came with the phone which is about 6 months old.
benchsitter21 said:
Can you elaborate on how you accomplished this. I have non rooted stock ICS and i get about 12-13 Hours with Mild use. My battery Stat always shows Android OS between 70-80% utilization as the culprit on the battery drain. I have read literally hundreds of threads over the last month and every post i read that claims to "fix" the battery issue has had zero impact with my phone. I also have a new Battery and the one that came with the phone which is about 6 months old.
Click to expand...
Click to collapse
That Android OS is annoying but it also has to do with how much stuff do you have running in the background, do you have a lot of widgets going at the same time. Everyones phone is different and I stay away from stock because on stock you can not fully control everything running.
Do you have an ad blocker, did you stop BS apps from loading up on start up, are all your google apps running? So many things effect battery life its not funny.
Now I know some of you say you have did a lot of searching and you may or may not of come across this app... Its for allowing your phone to sleep. I found it since I Know have a GSM Galaxy 2 now but this is for any dual or quad core phone. As always read up and see if this is for you
I just run the script and it works lovely: Script {APP} CPU Sleeper, The Battery Saver Mod! 07/12/2012 Release 2.1
Do you have an ad blocker, did you stop BS apps from loading up on start up, are all your google apps running? So many things effect battery life its not funny.
Now I know some of you say you have did a lot of searching and you may or may not of come across this app... Its for allowing your phone to sleep. I found it since I Know have a GSM Galaxy 2 now but this is for any dual or quad core phone. As always read up and see if this is for you
I just run the script and it works lovely: Script {APP} CPU Sleeper, The Battery Saver Mod! 07/12/2012 Release 2.1[/QUOTE]
No ad blocker, dont really have a lot of apps, maybe 12 apps total, only two widgets weather buy elite refreshing every two hours and calnedar widget. I changed the launcher to stock as I hated the touchWiz launcher. I believe all my google apps are running, how do I verify?
benchsitter21 said:
Do you have an ad blocker, did you stop BS apps from loading up on start up, are all your google apps running? So many things effect battery life its not funny.
Now I know some of you say you have did a lot of searching and you may or may not of come across this app... Its for allowing your phone to sleep. I found it since I Know have a GSM Galaxy 2 now but this is for any dual or quad core phone. As always read up and see if this is for you
I just run the script and it works lovely: Script {APP} CPU Sleeper, The Battery Saver Mod! 07/12/2012 Release 2.1
Click to expand...
Click to collapse
No ad blocker, dont really have a lot of apps, maybe 12 apps total, only two widgets weather buy elite refreshing every two hours and calnedar widget. I changed the launcher to stock as I hated the touchWiz launcher. I believe all my google apps are running, how do I verify?[/QUOTE]
Go into your synced google account and see whats checked off to sync up. You may not need any of it.. For deep sleep though check that link I posted
playya said:
No ad blocker, dont really have a lot of apps, maybe 12 apps total, only two widgets weather buy elite refreshing every two hours and calnedar widget. I changed the launcher to stock as I hated the touchWiz launcher. I believe all my google apps are running, how do I verify?
Click to expand...
Click to collapse
Go into your synced google account and see whats checked off to sync up. You may not need any of it.. For deep sleep though check that link I posted[/QUOTE]
I only have twitter and gmail. I also did the CPU Spy and it appears my phone never reaches deep sleep according to that app. I cant use that link you suggested as I'm not rooted and cant because my work email account will lock.
benchsitter21 said:
Go into your synced google account and see whats checked off to sync up. You may not need any of it.. For deep sleep though check that link I posted
Click to expand...
Click to collapse
I only have twitter and gmail. I also did the CPU Spy and it appears my phone never reaches deep sleep according to that app. I cant use that link you suggested as I'm not rooted and cant because my work email account will lock.
Click to expand...
Click to collapse
Then my friend you have to deal with the hand you were dealt.... sorry to hear that
playya said:
Then my friend you have to deal the hand you were dealt.... sorry to hear that
Click to expand...
Click to collapse
damn, not the answer im looking for.
I have upgraded my Galaxy W to Jelly Bean using Custom Room (4.2.2) Cyanogenmod 10.1 alpha 2. maybe later alpha 3.
Everything runs well. but why my phone's battery drains so fast? and please help me HOW TO SOLVE IT AND MAKE IT LAST LONG TIME???
THANKS VERY MUCH....
Backup your apps, factory reset your phone. If battery drain problem persists, install Greenify or deep Sleep battery saver from Google Play to better manage battery resources.
Lim Wee Huat said:
Backup your apps, factory reset your phone. If battery drain problem persists, install Greenify or deep Sleep battery saver from Google Play to better manage battery resources.
Click to expand...
Click to collapse
Thank you for your suggestion... I will try....
Electro Tobib Muhajir said:
Thank you for your suggestion... I will try....
Click to expand...
Click to collapse
when you just flashed the battery will definitely be shorter. Let it recharge for a few cycles before determining whether its good or bad battery life. Keep in mind however that even at full potential, the battery will not last for more than 2 days even at light usage.
if battery life is more important to you compared to "the newest OS" and whatever extra features it brings with it, then I highly recommend installing acro's CM9 RC2 (yes it is ICS) as the 2.x.x kernel is far better at battery life than 3.x.x (i'm currently testing it and I can already feel the difference! I believe I can reach 2.5 days at modest usage but I will have to update you on that after my first few discharge cycle for battery to reach potential after flashing new rom). I do, however notice a few annoyances with RC2 (not sure if its really the ROM, or the custom kernel i'm using, or Nova Launcher is to be blamed), so if it continues to bug me I may just switch back out to latest ICS =p.
If keeping with the latest JB is important for u, best thing you could do is download a custom kernel for it that supports UV(undervolting), then get IncrediControl and tune down your UV based on some voltage tables you can find in FAQ. This alone won't bring you a HUGE improvement in battery life but its definitely an observable difference. On top of UV, try to UC(underclock) your CPU to 1GHz. Most daily functions, apps and games (depending on how intensive it is) will work perfectly smooth even at 1GHz. IMO, the most important point of UCing is you will notice a very significant difference in the heat of your battery (ie backcover of your phone). Heat is generally bad for the battery (shorter life + faster draining) so UC is definitely a good thing to do =). Of course, on top of all those, get greenify and wakelock detector(WLD) from market to control your not-so-frequently-used apps. Use WLD to track down what is keeping your phone awake (hence drain more battery) and use greenify to hibernate all the not-so-frequently-used apps you have (example of things you DON'T want to greenify: whatsapp and gmail as you don't want to kill these 2 programs when you lock your screen. You want to continue receiving whatsapp messages and gmail when you locked your screen right? XD! Examples of things you SHOULD greenify: games, music player. Maybe some of the games or other apps may keep a background service active, secretly using your battery even though the last time you used it was 2 days ago!)
Finally, if your wonder is about 1-1.5 years old, chances are your battery is already bloated (perhaps you can feel your battery through the backcover of your phone even!) A bloated battery is a dangerous and short-capacity battery. Even with the best rom you may only push through a day from 100-0%. If your battery still looks fine but your phone is nearing its birthday, go ahead and do some online shopping (ebay or local equivalent, like malaysia we have Lelong.com.my) and get a battery for your phone. Its usually much cheaper than buying from telephone shops.
EDIT: Adding on to all of that, choosing a good governor+i/o scheduler combo is important as well. If our phone is similar with the S+, smartassv2+sio(i've used this, its quite smooth and battery is good) OR OnDemand+noop is thought to be very good in terms of battery life and responsiveness. Lulzactive is also very good but its not so easy to tune it so i usually would stay away from it. Do bear in mind that although the former 2 combo is good, it still highly depends on how you use your phone so there will not be a universally best governor+io combo. Both of those suggested by me are supposingly best in responsiveness as well as deepsleep battery conserving (only if the assumption that our roms work the same as the roms tested in S+, which MAY NOT be true).
TL;DR? try smartassv2+sio (u may change this using IncrediControl, get from playstore). Then if you are not satisfied with your current performance/battery life, you may continue experimenting by changing governor and i/o scheduler one at a time. If you are doing the testing, make sure to have some way to record your tests if not you will 100% be deceived by placebo!(with actual numbers you will clearly see whether your feeling is placebo or if there really is an improvement)
I'm having some seeeeerious battery issues with alpha3. With just 15 minutes screen usage in a day, battery settings says my screen used up more than 20% of the battery! This just for consulting the time and the weather.
oribunokiyuusou said:
I'm having some seeeeerious battery issues with alpha3. With just 15 minutes screen usage in a day, battery settings says my screen used up more than 20% of the battery! This just for consulting the time and the weather.
Click to expand...
Click to collapse
Sounds like your battery is bloated. Can u show me a screenshot of your battery graph and app usage?
oribunokiyuusou said:
I'm having some seeeeerious battery issues with alpha3. With just 15 minutes screen usage in a day, battery settings says my screen used up more than 20% of the battery! This just for consulting the time and the weather.
Click to expand...
Click to collapse
that 20% is not actually the 20% of the battery juice. It is 20% of whatever amount of battery is drained due to the display being ON. Like if your battery is used from 100% to 90%, then only 2% is used by the display.
I am not sure if I could explain what I mean.
EDIT: Hmmm maybe I misunderstood what you said... If that is the case, disregard.
And also my galaxy W will use all of its battery charge when the display is constantly ON for about 3-5 hours.
Actually, I've figured out what it was. It was Google Now. Chewing away at the battery without saying a word anywhere in the battery screen. I am now back to my old 3 days battery.
you need to install cpu spay from google play and you need look deep sleep time.
this reaction is typical if your coming from a stock or at least cm9.
there has been a lot of arguments about battery life of cm10 and above.
in my opinion, there really is a difference, i mean cm10+ drains battery faster.
and the reason being is of course the features there is in cm10++.
if you're after battery life, stay with stock or cm9 (for now).
but if you feel like your in with cm10+ and you don't want to go back like me, then may want to try these tricks:
1) using Titanium Backup, freeze the apps that you don't really use.
- in my phone i froze pico tts, voice search, talk back, etc. (i even froze google search )
2) i use an app called "autostarts", it can disable auto starting of app including those of the system.
- in my phone, i disabled google maps in every activity. ex. after startup, connectivity changed, wifi connected, widget updating
3) disable system settings which also contribute to battery draining.
- disable location service when your not using it
- disable automatic backup/restore
- disable haptic feedback
- disable autosync
- disable the top battery drainers when not in use (wifi, mobile data, gps, bluetooth)
- and many more just explore
4) do not use so many widgets (my home screen has 0 widget)
5) do not use live wallpaper
6) charge only using the original charger, not from other phone/brand, not from a usb port
- the best way to charge is to avoid using the phone until it's fully charged
7) finally, install only apps that you really need. just keep a backup of your not so often used apps and install only when you need them
If you think about it, everything i wrote above contradicts with the original concept of Android.
But that's life, sometimes you have to trade something in order to achieve another.
Our phone was baked as Gingerbread, now we want to make it taste like Jellybean.
We have all the ingredients, but we don't have a jelly bean pan to make the candy molds.
So we improvise, we work around, we do some shortcuts, we make alternatives, certainly it will cost something.
egagah said:
when you just flashed the battery will definitely be shorter. Let it recharge for a few cycles before determining whether its good or bad battery life. Keep in mind however that even at full potential, the battery will not last for more than 2 days even at light usage.
if battery life is more important to you compared to "the newest OS" and whatever extra features it brings with it, then I highly recommend installing acro's CM9 RC2 (yes it is ICS) as the 2.x.x kernel is far better at battery life than 3.x.x (i'm currently testing it and I can already feel the difference! I believe I can reach 2.5 days at modest usage but I will have to update you on that after my first few discharge cycle for battery to reach potential after flashing new rom). I do, however notice a few annoyances with RC2 (not sure if its really the ROM, or the custom kernel i'm using, or Nova Launcher is to be blamed), so if it continues to bug me I may just switch back out to latest ICS =p.
If keeping with the latest JB is important for u, best thing you could do is download a custom kernel for it that supports UV(undervolting), then get IncrediControl and tune down your UV based on some voltage tables you can find in FAQ. This alone won't bring you a HUGE improvement in battery life but its definitely an observable difference. On top of UV, try to UC(underclock) your CPU to 1GHz. Most daily functions, apps and games (depending on how intensive it is) will work perfectly smooth even at 1GHz. IMO, the most important point of UCing is you will notice a very significant difference in the heat of your battery (ie backcover of your phone). Heat is generally bad for the battery (shorter life + faster draining) so UC is definitely a good thing to do =). Of course, on top of all those, get greenify and wakelock detector(WLD) from market to control your not-so-frequently-used apps. Use WLD to track down what is keeping your phone awake (hence drain more battery) and use greenify to hibernate all the not-so-frequently-used apps you have (example of things you DON'T want to greenify: whatsapp and gmail as you don't want to kill these 2 programs when you lock your screen. You want to continue receiving whatsapp messages and gmail when you locked your screen right? XD! Examples of things you SHOULD greenify: games, music player. Maybe some of the games or other apps may keep a background service active, secretly using your battery even though the last time you used it was 2 days ago!)
Finally, if your wonder is about 1-1.5 years old, chances are your battery is already bloated (perhaps you can feel your battery through the backcover of your phone even!) A bloated battery is a dangerous and short-capacity battery. Even with the best rom you may only push through a day from 100-0%. If your battery still looks fine but your phone is nearing its birthday, go ahead and do some online shopping (ebay or local equivalent, like malaysia we have Lelong.com.my) and get a battery for your phone. Its usually much cheaper than buying from telephone shops.
EDIT: Adding on to all of that, choosing a good governor+i/o scheduler combo is important as well. If our phone is similar with the S+, smartassv2+sio(i've used this, its quite smooth and battery is good) OR OnDemand+noop is thought to be very good in terms of battery life and responsiveness. Lulzactive is also very good but its not so easy to tune it so i usually would stay away from it. Do bear in mind that although the former 2 combo is good, it still highly depends on how you use your phone so there will not be a universally best governor+io combo. Both of those suggested by me are supposingly best in responsiveness as well as deepsleep battery conserving (only if the assumption that our roms work the same as the roms tested in S+, which MAY NOT be true).
TL;DR? try smartassv2+sio (u may change this using IncrediControl, get from playstore). Then if you are not satisfied with your current performance/battery life, you may continue experimenting by changing governor and i/o scheduler one at a time. If you are doing the testing, make sure to have some way to record your tests if not you will 100% be deceived by placebo!(with actual numbers you will clearly see whether your feeling is placebo or if there really is an improvement)
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thanks a lot. that's very helpful for me..
klacenas said:
this reaction is typical if your coming from a stock or at least cm9.
there has been a lot of arguments about battery life of cm10 and above.
in my opinion, there really is a difference, i mean cm10+ drains battery faster.
and the reason being is of course the features there is in cm10++.
if you're after battery life, stay with stock or cm9 (for now).
but if you feel like your in with cm10+ and you don't want to go back like me, then may want to try these tricks:
1) using Titanium Backup, freeze the apps that you don't really use.
- in my phone i froze pico tts, voice search, talk back, etc. (i even froze google search )
2) i use an app called "autostarts", it can disable auto starting of app including those of the system.
- in my phone, i disabled google maps in every activity. ex. after startup, connectivity changed, wifi connected, widget updating
3) disable system settings which also contribute to battery draining.
- disable location service when your not using it
- disable automatic backup/restore
- disable haptic feedback
- disable autosync
- disable the top battery drainers when not in use (wifi, mobile data, gps, bluetooth)
- and many more just explore
4) do not use so many widgets (my home screen has 0 widget)
5) do not use live wallpaper
6) charge only using the original charger, not from other phone/brand, not from a usb port
- the best way to charge is to avoid using the phone until it's fully charged
7) finally, install only apps that you really need. just keep a backup of your not so often used apps and install only when you need them
If you think about it, everything i wrote above contradicts with the original concept of Android.
But that's life, sometimes you have to trade something in order to achieve another.
Our phone was baked as Gingerbread, now we want to make it taste like Jellybean.
We have all the ingredients, but we don't have a jelly bean pan to make the candy molds.
So we improvise, we work around, we do some shortcuts, we make alternatives, certainly it will cost something.
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yups...nice suggestion... thanks very much...:good::good::good:
Lim Wee Huat said:
Backup your apps, factory reset your phone. If battery drain problem persists, install Greenify or deep Sleep battery saver from Google Play to better manage battery resources.
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THANKS...
oribunokiyuusou said:
I'm having some seeeeerious battery issues with alpha3. With just 15 minutes screen usage in a day, battery settings says my screen used up more than 20% of the battery! This just for consulting the time and the weather.
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me too.... more than 20%, whereas my battery is in sleep screen and in the lowest brightness
Me too
Sent from my GT-I8150 using xda app-developers app
smeone here is right about cm9 rc2 i just flashed it and used a while.. battery seems to be 2x longer than 4.4 kitkat
here is there link
http://mygalaxywonder.blogspot.sg/2012/09/cyanogenmod-9-cm9-alpha-build-8-for.html
Magpir said:
smeone here is right about cm9 rc2 i just flashed it and used a while.. battery seems to be 2x longer than 4.4 kitkat
here is there link
http://mygalaxywonder.blogspot.sg/2012/09/cyanogenmod-9-cm9-alpha-build-8-for.html
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No....no....no....
That link will redirect you to a website that has kanged Arco's hard work and NOT given due credit....
Here is the correct, original link....
http://forum.xda-developers.com/showthread.php?t=1576874
........right here on XDA...
This might be my S2, or it might be my W...but it's definitely CM
I see everyone posting crazy good sot and here I am getting 3 or so with stock 8. 0 and custom kernel. Is no one using snapchat and Facebook apps on their phone? I'm trying to figure out why my battery life is not as good.
Snapchat App I don't know, but removing Facebook, definitely yes, Facebook is awesome but very battery hungry app.
Snapchat is the biggest battery hog app probably followed by Facebook and Facebook messenger. Unfortunately I use both quite a lot so understandably my battery is about half of what others get but oh well
I get like 7 to 8.5 SoT everyday on OB3 stock kernel even with facebook apk, messenger lite and instagram or whatsapp not using greenify or any battery saver just all my apps on black amoled substratum themes, this phone's battery is amazing!
Removing both not only prolongs your battery life, but also your general life
Snaochats hogs all of my battery. Sometimes it uses 30% of my battery. Way more than fb
devil188 said:
Removing both not only prolongs your battery life, but also your general life
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Take the Upvote Mister
---------- Post added at 06:43 AM ---------- Previous post was at 06:38 AM ----------
jcroy2828 said:
I see everyone posting crazy good sot and here I am getting 3 or so with stock 8. 0 and custom kernel. Is no one using snapchat and Facebook apps on their phone? I'm trying to figure out why my battery life is not as good.
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Battery usage varies from person to person.
Your screen on time will be less even if you are not using any battery hoging apps, when the phone is idling for more than a day.
You get more SOT if you use phone continuosly.
Also screen brightness matters
You might need to get an app like Gsam Battery Monitor or Better Battery Stats to see if something is keeping your phone from sleeping. Facebook could definitely be a culprit but I can't really say for sure because I don't use it.
For Facebook and Messenger use Lite version, looks bit strange at beginning but give Your phone way better battery life.