So for the past month or so, I have been noticing the Android OS bug on my i777. I tried many roms and kernels(Siyah and DD), but the battery usage was alway almost 10% per hour. My i777 is now flashed with Unnamed 2.2 + latest DDkernel, and the problem is remained. BetterBatteryStats show that "suspend" and "events/0" are big consumer of CPU power.
The bug is also described at http://forum.xda-developers.com/showthread.php?t=1290020
I don't remember that whether this bug came out in Unnamed 1.X rom.
How do I stop them from running and draining battery?
I have read and tried many ROMs and for me it appears that unnamed 1.3.2 was the answer. I am running that with Entropy's 12-08 kernel Andes is a winner for me
Sent from my SAMSUNG-SGH-I777 using Tapatalk
I also switched back to UnNamed 1.3.2, after experiencing some funky issues with 2.2.1. I'm also running Siyah 2.6.9 and I get about 1-2% per hour drain while idle on an average day.
I'm sitting here with 1 hr screen on total and 12 hours off the charge and my phone is at 62%. Others get even better battery life with more aggressive tweaks. I'm not running anything fancy either, just stock 1.3.2 and Siyah 2.6.9 on conservative with SetCPU.
Im not even going to bother with this thread. Ill let the wolves have at it...
dmm5157 said:
I also switched back to UnNamed 1.3.2, after experiencing some funky issues with 2.2.1. I'm also running Siyah 2.6.9 and I get about 1-2% per hour drain while idle on an average day.
I'm sitting here with 1 hr screen on total and 12 hours off the charge and my phone is at 62%. Others get even better battery life with more aggressive tweaks. I'm not running anything fancy either, just stock 1.3.2 and Siyah 2.6.9 on conservative with SetCPU.
Click to expand...
Click to collapse
Thanks for your reply. I just didn't pay much attention to the battery life when I used UnNamed 1.3.2.
I will feel happy enough with that "I'm sitting here with 1 hr screen on total and 12 hours off the charge and my phone is at 62%." and "1-2% per hour drain while idle on an average day"
So, I think that I have to switch back to UnNamed 1.3.2 too.
There is no good experience with Siyah kernel and UnNamed 2.2.1 combination. It mainly results from Rom?
jhermit said:
I have read and tried many ROMs and for me it appears that unnamed 1.3.2 was the answer. I am running that with Entropy's 12-08 kernel Andes is a winner for me
Sent from my SAMSUNG-SGH-I777 using Tapatalk
Click to expand...
Click to collapse
I have read many posts too. Kernel seems to be the main problem and changing kernel may be the only answer.
But, according to you and dmm5157, the ROM is the key of the bug.
I will try~
Many thanks~
I flashed my i777 with Unnamed 1.3.2 and Siyah 2.6.9 kernel. The battery life became much better, 5% per hour. But Kworker processes took most cpu. I read that it was because of kernel. So I change the kernel to Entropy's latest(02072012) and strange thing happened that Android OS bug came again.
Red5 said:
Im not even going to bother with this thread. Ill let the wolves have at it...
Click to expand...
Click to collapse
Even the wolves must sleep lol.
Sent from my SAMSUNG-SGH-I777 using xda premium
Please search before posting - you clearly didn't even bother to read the thread on known battery drainers, nor the thread on UCKK6 battery drain issues. One is currently on the very first page of this forum (no excuse for not seeing it, reading it, THEN posting after you followed the instructions in it), one is on the second page of this forum.
Thanks for your suggestion and DD kernel. I have read your post "Known identified battery drainers" this morning. Your post is mainly about how to find and analyze problem, but I think I have almost known where is the problem("suspend" and "events/0" process, just like here http://forums.hardwarezone.com.sg/s...ad]-android-os-bug-what-what-not-3428904.html) by the same way described in your post(BetterBatteryStats, CPUSpy, wakelocks...). I just want to find an answer to slove this bug.
Maybe, in your opinion, I haven't truly found where the problem is. I am a newer in XDA.
genecerebra said:
Thanks for your suggestion and DD kernel. I have read your post "Known identified battery drainers" this morning. Your post is mainly about how to find and analyze problem, but I think I have almost known where is the problem("suspend" and "events/0" process, just like here http://forums.hardwarezone.com.sg/s...ad]-android-os-bug-what-what-not-3428904.html) by the same way described in your post(BetterBatteryStats, CPUSpy, wakelocks...). I just want to find an answer to slove this bug.
Maybe, in your opinion, I haven't truly found where the problem is. I am a newer in XDA.
Click to expand...
Click to collapse
No, you don't know where the problem is. I saw your original post, recognized the symptom immediately, and immediately told you to follow the procedure to find the root cause. You didn't.
Why are you ignoring advice given to you NOW in favor of a post that is FOUR MONTHS OLD which is a copy-paste of an XDA thread from the I9100 General forums? (The original thread has been updated multiple times, as it originally had blatantly wrong information like the outdated version you linked to.)
Are we getting ICS?
1.3.2 has given me no battery life problems. Being bored now gives me problems.
ricktat said:
Are we getting ICS?
1.3.2 has given me no battery life problems. Being bored now gives me problems.
Click to expand...
Click to collapse
1.3.2 is based on UCKH7, which is not vulnerable to the widely documented bugs UCKK6 has (ALL of which are documented in my Known Battery Drainers thread.)
Related
Hi guys,
So for the past week or so, I've been noticing really bad battery drain on my GS2, and I think I have finally pinpointed the problem.
"BetterBatteryStats" has told me that there are 2 specific wakelocks running in the background, which prevent the phone from going to 'deep-sleep'. These are the "suspend" and "events/0" processes. They are on for hours, preventing the phone from going into a proper 'deep-sleep', and keeping it awake.
My question is, how would I stop these processes from running? I know for a fact that it is not such a common 'bug', because tons of people are getting >18 hours on their GS2 with moderate/heavy use, while I'm only getting about 10 with light/moderate usage.
So in short, why are the "suspend" and "events/0" processes running while the phone is supposed to be in sleep mode, and how do I stop them from running and draining battery?
Thanks everyone!
Well I don't have that problem so can't say. You should ask it on the BBS dedicated thread,
http://forum.xda-developers.com/showthread.php?t=1179809
Regards.
This is the famous "Android OS" bug, which happens only on SGS2. Search the forum and you'll see quite a few threads about it. There is no solution, but keeping wifi off when not in use or setting is to sleep when screen is off helps quite a bit.
aydc said:
This is the famous "Android OS" bug, which happens only on SGS2. Search the forum and you'll see quite a few threads about it. There is no solution, but keeping wifi off when not in use or setting is to sleep when screen is off helps quite a bit.
Click to expand...
Click to collapse
It's not only a bug on SGS2. I've been fighting this problem for quite a while on my Nook Color with CM7. Here's the thread I started.
hmm, I am having this problem as well, I'm used to my iphone, where i can use it all day and still remain above 50% meanwhile every time i pop the screen on my GS2 the percentage is down from last time. its horrible, very much considering going back, I love this phone, but this battery draining situation is out of control for me.. midnight -8:30 i lost 45 percent battery.. screen off..
penskyc said:
hmm, I am having this problem as well, I'm used to my iphone, where i can use it all day and still remain above 50% meanwhile every time i pop the screen on my GS2 the percentage is down from last time. its horrible, very much considering going back, I love this phone, but this battery draining situation is out of control for me.. midnight -8:30 i lost 45 percent battery.. screen off..
Click to expand...
Click to collapse
you might want to have a bit of a read. You never know, might find something
skimminstones said:
you might want to have a bit of a read. You never know, might find something
Click to expand...
Click to collapse
been reading all day and night most stuff lead to a dead end, currently looking at this:
http://code.google.com/p/android/is...c=ID Type Status Owner Summary Stars&id=16721
turning off google sync and stuff is not an option for me, I need push email, and contacts and google reader, whats a smart phone if i need to dumb it down
http://forum.xda-developers.com/showthread.php?t=1290020
skimminstones said:
http://forum.xda-developers.com/showthread.php?t=1290020
Click to expand...
Click to collapse
so basically there is no solution...
penskyc said:
so basically there is no solution...
Click to expand...
Click to collapse
well for me, installing the siyah 1.8 kernel has sorted it and my battery life is pretty damn good now.
Others will tell you its not fixed and the extra battery life im getting is a placebo. But all i know is i used to get 3 hours screen on time and lose 15-20% battery overnight. Now i lose 2% overnight and get 5-6 hours screen on time. If thats placebo then so be it.
skimminstones said:
well for me, installing the siyah 1.8 kernel has sorted it and my battery life is pretty damn good now.
Others will tell you its not fixed and the extra battery life im getting is a placebo. But all i know is i used to get 3 hours screen on time and lose 15-20% battery overnight. Now i lose 2% overnight and get 5-6 hours screen on time. If thats placebo then so be it.
Click to expand...
Click to collapse
hmm, ok, I will look into kernels, I am using an AT&T SGS2 so its a little different kernel wise. I have yet to find anything in my specific forums though.. just switched from an eperimental kernel to a stable, so maybe this will help
I think I just read somewhere in the Galaxy S2 forum that AOS isn't exactly solved on the .14 kernel (which siyah 1.8 is based on)..... it just merely not include suspend and events/0 into the Android OS count for the battery.....
Anyone can shed some light on this?
---------- Post added at 10:28 PM ---------- Previous post was at 10:23 PM ----------
ok, found it
http://forum.xda-developers.com/showthread.php?t=1290020
hope this would be useful
penskyc said:
hmm, ok, I will look into kernels, I am using an AT&T SGS2 so its a little different kernel wise. I have yet to find anything in my specific forums though.. just switched from an eperimental kernel to a stable, so maybe this will help
Click to expand...
Click to collapse
then yea, dont be installing any roms/kernals form this forum. You have a different phone.
skimminstones said:
then yea, dont be installing any roms/kernals form this forum. You have a different phone.
Click to expand...
Click to collapse
yup! I know, just figured since the phone was around longer it would have some more information on the suspend and events/0, which it did, thanks for your help!
skimminstones said:
well for me, installing the siyah 1.8 kernel has sorted it and my battery life is pretty damn good now.
Click to expand...
Click to collapse
is siyah 1.8 better for battery life compared to siyah 2.1 or the newer one?
I tried 2.1, but I still have high android OS.
Using bbs, I see that suspend and events/0 is still around 1 to 3 minutes each day.
I have turned off:
Accounts and sync > background data & auto-sync,
Privacy > back up my data,
Location and sec > use wireless networks.
Any other advice?
a1adin said:
is siyah 1.8 better for battery life compared to siyah 2.1 or the newer one?
I tried 2.1, but I still have high android OS.
Using bbs, I see that suspend and events/0 is still around 1 to 3 minutes each day.
I have turned off:
Accounts and sync > background data & auto-sync,
Privacy > back up my data,
Location and sec > use wireless networks.
Any other advice?
Click to expand...
Click to collapse
Use a 2.3.4/2.3.5 based ROM such as CheckROM HD or Hyperdroid-Androidmeda with Darknight-Siyah Kernel.
I get 3 days of use if i keep data off . With Data on and normal usage i get on average 0.7-1% drop per hour compared to 3-4% of 2.3.3 ROM.I think it's a combination of kernel and ROM that solves the problem.
Earlier CPU Spy used to show lots of time spent at 800Mhz which is what android OS bug does. Now i see it spending 1-2% time in 800Mhz and most of time in deep sleep.
thanks for the reply.
now I am using CRv3.1.1 with speedmod 18test3.
but it seems that from day to day, events/0 & suspend are getting bigger and bigger.
do you know why?
I upgraded to KI3 a long time ago, and froze the hubs + wifi sharing / wifi sharing manager (i never even used the hubs anyways), and what do you know; my battery can now easily last me a LONG time, after 16 hours it still always has AT LEAST 40% remaining, and that is with a few hours screen-on time, data sometimes on, wifi usually always on! I'm extremely happy now!
So in short, for those of you with bad battery life, the least you could do is upgrade to XXKI3 or XXKI4 (they're pretty much the same thing) firmware/kernel. Even completely stock without root/frozen apps is A LOT better than any other 2.3.4 / 2.3.3 ROMs.
CRv3.1.1 is already based on xxkj3, and I have already frozen most of samsung bloatware.
However, I have just found out that kernel is an important factor in high suspends and events/0.
Now I use the previous version: speedmod 17 test 1, and suspends & events/0 decrease a lot.
I've used ninphetamine 2.1.3+ and it used to drain my battery a fair bit. After having seen another user who said he was experiencing better battery life with ninphetamine 2.0.5. I flashed the older version and it turns out to be indeed better.
My idle drain rate is now 15-17mA using Battery Monitor widget.
So when put in picture. Drain rate is about 2% per hour with minimal usage. (Note 3g data was on)
Anyone else have a better kernel?
EDIT 1:
I've tried using SiyahKernel (KI3) and it seems that according to Battery Monitor widget the idle battery drain is 14-15ma. Seems to be much better. However, occasionally the touchscreen freezes and only the touch button works. But then again it could have been because I was using the KI3 kernel on a KH3 rom. Would report back after I finally get off my lazy ass and flash a KI3 rom
EDIT 2:
Got off my lazy ass finally. Flashed LeoMar 2.7.1 rom with SiyahKernel 1.7.8. Will report back after a while. Though I must say that for some reasons after the boot animation the phone turns black for quite a long time (1-4 Seconds) before the lockscreen appears. This did not happened with the default LeoMar 2.7.1 kernel. Will report back in 24 Hours.
http://forum.xda-developers.com/search.php?searchid=92694072&pp=25
Lennyz1988 said:
http://forum.xda-developers.com/search.php?searchid=92694072&pp=25
Click to expand...
Click to collapse
Thanks sherlock. I posted my findings and was asking if anyone else had better. If it the time of the month of you. Stay off this forum.
Personally I find it very difficult to make meaningful comparisons, especially at idle.
Battery Monitor Widget gives estimates and not actual current drain. See this thread for some discussion: http://forum.xda-developers.com/showthread.php?t=1056486 but basically it's either not in Samsung's battery driver or the app is not reading the information. So you are comparing estimates and the margin for error might be pretty large.
When you flash new kernels you also need to recalibrate the battery. That also affects your battery drain estimates. (I've had Battery Monitor Widget tell me my battery is going up when its unplugged, so go figure.)
Battery life at idle is affected by so many factors. Maybe your signal strength is better one day than another. Or you got more emails or did more syncing. Or one app just happen to glitch and have a very long wakelock. If you get battery drain, you should be checking your partial wakelocks with BetterBatteryStats. Did you get more partial wakelocks when you were running Nin 2.1.3? Is it the kernel's fault or did you just have a misbehaving app?
I like experimenting with different kernels too, so my point is don't expect miracles when somebody says Kernel X gives amazing battery life compared to Kernel Y. Personally I think they are all about the same at idle, and the big differences are in your settings and your usage. If you wipe your phone, don't add any Google or Exchange accounts, and don't sync or download anything, your battery will last 3 or 4 days on idle no matter what kernel you use.
Stock rooted KI3 (cf-root) is the best for battery life for me, i also have constat 3800+ quadrant score (with top of 4109 as my screenshot in leomar 2.7 rom thread).
Also i have the phone a lot, but really a lot less hot while gaming or stressing it.
KI3 stock kernel and SiyahKernel are at the moment the best in battery life. Anything else is running on older sources and drain more.
The best for me is SpeedMod! Smooth and long life battery. There is something you can't do (bootanimation oc uv bln) but simply great!
Inviato dal mio GT-I9100 usando Tapatalk
best results for me: stock kernel reflashed after rooting, for that stock rom.
Bar none the way to go.
Stock Rooted KI3 does look good, am yet to test it though
Hmm. So seems like you guys are experiencing deliciously good battery life with KI3 kernel. I shall try it and report back with some numbers.
try siyah kernel. one of the fastest growing kernels IMO
For me is Ninphetamine 2.1.3 and now i'm trying SiyahKernel 1.7.7
My question is.. between stock ki3 and SiyahKernel 1.7.7 the difference is really small (barely notice it) or big?
I tend to not flash to much kernels since the very small chance to corrupt the efs folder (even if ofc i have my backup), so if it's only small improvement, i stay on the stock ki3, if it improves a lot, i prolly try it
I've been using the siyah kernel v1.7.7 and I've been experiencing a great battery life. I didn't use the stock kernel for long to make a comparison but I sugest you give siyah at least a try, since you can always go back to stock if you don't like ir.
Updated 1st post with my new findings.
info5i2002 said:
Updated 1st post with my new findings.
Click to expand...
Click to collapse
batistaRom and ninp 2.0.5 great battery life for me...if you like i can post screenshots if anyone is using setcpu, depending on your kernel try and research in the kernel thread regarding frequencies that other users suggest and adjust yours accordingly...thats what i have done for mine and i could not be any more happier
Alright. I've finally got off my lazy ass and flashed a 2.3.5 rom (LeoMar if you must know) and am currently using siyah 1.7.8. Will report back within 24 hours after I've put the device through a day's use.
cf root KI3 stock kernel on RevolutionRom 2.7.1.
53 hours battery life 3 hours 19mins screen time wifi on 1/3 time, 4g on 2/3 time with facebook sync.
scorpion667 said:
cf root KI3 stock kernel on RevolutionRom 2.7.1.
53 hours battery life 3 hours 19mins screen time wifi on 1/3 time, 4g on 2/3 time with facebook sync.
Click to expand...
Click to collapse
Pix or it didn't happen
Hi, I posted earlier saying that siyah 1.7.7 gave me good battery life. I tried now the cf root v4.2 KI3 and I had better results. Well, I'm someone that don't play many games, but I surf a lot and download a lot of stuff on wifi. I don't care much for overclocking so I think I'm going to stay wth KI3 cf root. For me they're both great for battery life, and maybe the other ones I have not tried are great also (speedmod, ragemod, ninphetamine...)
I think what happens with kernels, and this happens also with custom ROMs (and everything really, brands, etc..) is there is a lot of fanaticism. People like to choose one ROM and kernel and stick to them. They start to defend the kernels they use convincing themselves they're the best no matter what. That is in my opinion the reason because this kind of discussion turns meaningless. Well not that meaningless, at least it gives an idea of the kernels people are using, at least we know speedmod, ragemod, siyah, nimph, are all great kernels.
I'm not criticizing anyone, in fact, I'm just another example of the people I described.
Does anyone know if the infamous AOS bug is fixed in 2.3.6, AOSP?
Sent from my GT-I9100 using XDA App
Noooooooooooo! Read around! Sammy have to fix when they can be bothered .
Sent from my iphone look a like powered by android!
you can try SiyahKernel v1.8
my AOS = 3 %.
See this thread: http://forum.xda-developers.com/showthread.php?t=1290020
It is a Samsung kernel bug, not an AOSP bug. It is "fixed" in the latest SiyahKernel (as in, it doesn't happen anymore but nobody is exactly sure why) and hopefully other developers will be doing the same.
Is battery life increased accordingly?
Sent from my GT-I9100 using XDA App
It seems good but I cannot give an exact comparison, since my usage is different day to day.
However my Android OS battery usage has dropped from 48% to 4%, and when I check BetterBatteryStats, the top items are no longer "suspend" and "events/0"
The latest kernel patch to 2.5.36.14 sources solves AOS issue. There are now a few patched kernels out for SGS2 (Siyah, CM7). I use Siyah and indeed the AOS shows up at only around 4%. On the other side I do not experience better battery life.
I recently got the galaxy s2 and it is my first Android phone. I love it but the battery life wasn't great. I recently rooted my phone and flashed with unNamed ROM and I feel like the battery life has doubled. Has everyone gotten this or could it be something else?
jbarresi19 said:
I recently got the galaxy s2 and it is my first Android phone. I love it but the battery life wasn't great. I recently rooted my phone and flashed with unNamed ROM and I feel like the battery life has doubled. Has everyone gotten this or could it be something else?
Click to expand...
Click to collapse
Battery life is great for me. The general census seems to be the same bro. UnNamed is an awesome rom that uses entrophys kernel that should increase the battery life of your device. Welcome to android. By the way. Cognition is an awesome rom too along with serendipity.
I flashed to UnNamed rom yesterday, today is my first full day with it. With moderate usage after 10 hours (wifi mostly off for the day), I'm sitting at 80%, with stock, I could barely make it to 15 hours.
What I noticed with UnNamed rom is my AOS usage is stable under 10% through out the day, where it was almost always >65% with stock!
Thanks for the reply guys!! Yeah it amazing how much better the battery has gotten with this ROM. I almost started to think the battery meter was off but I ran it down and its not off at all. Im not exaggerating when I say its getting double the time on a charge.
It seems to vary a bit for me. Yesterday I was at 75% remaining after 12hrs and I was using the phone a fair amount as I was off work. Today, also off work, I was down to around 45% after the same time. I didn't do anything more out of the ordinary but then again, I didn't specifically monitor it that close both days.
Either way, it's till much better than it was with stock.
Yup, there's crap in the stock ROM that drives data usage, which drives AOS up and kills battery.
Although: My "experimental" series kernels are based on 2.6.35.14, which it turns out hides AOS reporting without reducing drain.
OR - AOS was reported falsely high to begin with.
Still investigating.
FWIW, I have both Wifi sharing apps frozen in TiBu, but then I had it froze before flashing UnNamed, didn't see much of a battery increase until I flashed new rom.
As for AOS, it would start around 25% then fast climb to >90% in stock rom, I spent hours experimenting with different combos to see if anything definitive triggers the "reported" AOS drain, but nothing helped.
Anyways, I'm very happy with UnNamed and intend to keep it for now as I see no reason to flash to others at this point. A big THANK YOU to both gtg and entropy!
are you guys that are seeing reduced AOS use in UnNamed using Wi-Fi at all?
There seems to have been some correlation between turning Wi-Fi on in the stock ROM and increased AOS usage.
So I'm curious if this correlation disappears in UnNamed?
What is "AOS"?
SpectraDawn said:
What is "AOS"?
Click to expand...
Click to collapse
Android OS -- a process that will show up in the battery status menu.
chrikenn said:
are you guys that are seeing reduced AOS use in UnNamed using Wi-Fi at all?
There seems to have been some correlation between turning Wi-Fi on in the stock ROM and increased AOS usage.
So I'm curious if this correlation disappears in UnNamed?
Click to expand...
Click to collapse
My guess is there's some app in the stock ROM that gtg removed in Unnamed that is set to only use data when on wifi.
My high AOS problem in stock was not directly related to wifi being on. Once it reached >25%, it just kept creeping up sans a complete reboot.
Ah ok.
But your problem has disappeared since you installed UnNamed?
Yup, it's now anywhere from 2-15% during the day.
chrikenn said:
But your problem has disappeared since you installed UnNamed?
Click to expand...
Click to collapse
I have been using UnNamed for about a week, added task650s theme...
My battery life is noticeably improved over stock. My AOS is at 13%, third down... I never noticed what it was stock, just know this is a great ROM. Fast, stable, great battery life.
I forgot to ask gtg - is he including experimental or non-experimental?
If the kernel version is 2.6.35.7 - if AOS is less than 10% for you, you are doing EXTREMELY well.
If 2.6.35.14 (experimental) - That alone will make AOS display as far lower without actually changing drain statistics.
How does a different ROM improve battery life so much over stock? I already rooted and removed most of the bloatware, but I'm still concerned about battery life. I wonder if it's worth switching.
EDIT: Some posts are saying that it's the kernel. If I just go ahead and install it from: http://forum.xda-developers.com/showthread.php?t=1289460 while still staying on the stock ROM, would it help my battery life?
My kernel is 2.6.35.7
Yesterday, while on the go, AOS stayed between 8-12% range. Today on charge, it's stable at 2%.
My kernel will provide some improvements in battery life, although I wouldn't consider there to be anything drastic yet compared to stock.
Unless you fall victim to the fuel_alerted wakelock... That one's nasty.
I might had been the victim of that wakelock, seeing how event/0 and suspense were killing the battery on stock rom.
Okay. So I am currently running shostock3 on my sgs2 with siyah kernal. I read the article from zedomax on galaxys2root.com that it has very good battery life and very stable but when i am running it, I have terrible battery life and i am currently underclocked or whatever the word is. Is there anyway to fix this?
My advice, run SHOstock3 as it was released. It runs great as shoman94 dev'd it.
...and stay away from that web site u mentioned.
Stick to XDA. Period!
Sent from my SAMSUNG-SGH-I747 using xda premium
Yes. I'm running shostock3 with the included kernel and get good battery life.
Sent from my SGH-I777 using xda premium
Getting great battery life on Shostock3 V3.0. Flashed the AJK 1.52s kernel. Checkout Better battery stats...see if you have wakelocks killing your battery. And..I agree that website is no good..stick to XDA.
Sent from my SGH-I777 using xda premium
gainstatom said:
Okay. So I am currently running shostock3 on my sgs2 with siyah kernal. I read the article from zedomax on galaxys2root.com that it has very good battery life and very stable but when i am running it, I have terrible battery life and i am currently underclocked or whatever the word is. Is there anyway to fix this?
Click to expand...
Click to collapse
which siyah kernel u r using. as far as i know theres no siyah kernel to run with shostock 3 except for ajk's (ktoonsez stopped working on siyah kernel for jb i777 after release of 4.3.3).
EQ2192012 said:
Getting great battery life on Shostock3 V3.0. Flashed the AJK 1.52s kernel. Checkout Better battery stats...see if you have wakelocks killing your battery. And..I agree that website is no good..stick to XDA.
Click to expand...
Click to collapse
Most people get really good battery life on SHOstock3. Just search the SHOstock3 thread for the word battery to see what I mean. If you're not getting good battery life, you need to find out what in your configuration is causing the problem, and fix it. There is a thread in the general section started by Entropy512 that you should study to help you identify where the problem is.
I was on GB ShoStock for a long time thinking ICS and JB would never leave me satisfied on battery life.
http://forum.xda-developers.com/showthread.php?t=1353513
Finally came to my senses and tried out ShoStock 3 and have never looked back. To make it short the best Rom Ive ever flashed for any device I have had in the present and past.
You definitely have a rogue app killing your battery, find out which one it is and uninstall.
gainstatom said:
Okay. So I am currently running shostock3 on my sgs2 with siyah kernal. I read the article from zedomax on galaxys2root.com that it has very good battery life and very stable but when i am running it, I have terrible battery life and i am currently underclocked or whatever the word is. Is there anyway to fix this?
Click to expand...
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Sorry you have battery life problems.
I have been running Shostock3 since it came out (it's version 3.02 today!), but I also been on and off at least five (wow can it be that many?) JB roms on my SGH-i777 (won't even mention the # GB roms here!). After trying many, I must agree with the other posters who state that this rom delivers very good battery life when compared to stock and when compared with other custom roms.
Lately, it has delivered the best battery life I have ever had on this phone using any rom (although SlimBean JB provided very very good battery life for me recently as well! Also UnNamed was great for battery life in the old GB days )
I followed the recommendations made by creepyncrawly to read Entropy's (& others) battery notes/faqs. They provide some really good background, some with that typical "XDA flavor" (read technical!. That material, plus some more plain old simple user adjustments to how and what I use on the phone have improved my phone's battery time; and it might help you as well.
It really boils down to the fact that each phone user loads different apps and our usage patterns vary.
Assume that you've flashed it and let it settle for a few days and several recharge cycles. After doing this you can see what YOUR "norms" are. They may be good or bad, but that's the baseline for you with this rom and with the apps and usage pattern you have.
(You can tweak voltage and speed (well, not speed on SS3!), but my experience has been that the more noticeable changes will be by adjusting your pattern of use, or doing the "hunt for the app" (or apps) that are burning down your run times when not in use.
Not many here seem to like or do this, but I would also try one of those "help-you-with-battery-use" apps --like juice defender (Ok, I get that many here seem to think it a waste, but it really did help me --a little-- when I used it); or get DS Battery saver (a bit more aggressive and noticeable, but you also notice the lag while you wait for things to turn on when you want them).
Actually, these may not be precision solutions, and don't focus on your specific phone app use, but they do work in a macro way to slow battery use and simply working with them for a few days or weeks will provide you with a better a sense of what the heck is going on under the plastic; they will cause you to look at what you have/run and when.
Oh, this includes using Better Battery Stats, which is fine for reporting out exactly which the apps behave --or don't-- and by how much and when. I'm not slow (well, that slow but it frankly, it took me quite a while to figure out what I was reading in the BBS readouts and what they meant! (Now, after a year+ or so of using it, I don't even have it loaded, since I've done the fiddling I need --and BBS, plus those other battery apps, helped me to figure out what apps worked well, what apps I was willing to sacrifice battery on and what apps were useless and should be tossed.)
Finally, some roms just don't work for people! So it's not worth the frustration chasing something you may not be able to achieve with this or another rom. (You probably read how individuals have problems that you don't -yet, you run the same rom and the same phone! That is our world. So, too, you will read about some who make amazing claims on how long they continue on one charge. Some are pretty amazing, and some may even be real
My final five cents would be:
#1 run the rom a couple of days, get a baseline. Then switch from Jeboo kernel to AJK's latest for TW (I think it is 1.25ss, but I really also had great results from 1.48s) and run it a few more days. They were pretty much even for me, but others find one or the other kernel makes a real difference!). Compare after doing the same activities through a charge or two.
#2 If your battery life remains "poor," note what poor really is (ex. how much screen time? and how much total run time prior to getting to zero or 10-15%? ...something like that).
#3. Then get BBS and one of the "automatic" battery-saver programs and work with it for about 4-5 days and that many recharge cycles. See what your norms are but do it for the same type of usage!!! If better while using the battery fixers, then you can work at picking off the app or apps that are sucking your battery more than you want. Not as tedious as it sounds. Of course, staying with a rom for three weeks might be a challenge :laugh:, but this is a nice rom to work with.
#4. I don't think you will need to under-volt to get good BL. I wonder if your phone is stable in doing that? Or, does it induce additional lag? That might be a high price to pay for more run time. (You could compare the UV results with your "norm" as well!)
#5. Finally, we are on Galaxy S2 Sgh-i777 -and can change batteries all day long for not so much per battery! It is not elegant, but it works. (Done it myself several times -even with good battery life).
Good Luck!
Best ROM, Good battery life... been with Shoman's ROM since shostock2 never have a problem with the battery life...
Sent from my SGH-I777 using xda premium