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.
Related
Snce I have updated my GS2 to ICS my battery drains insanely fast. I don't even do anything with it. I go to the battery consumption table and it seems like the screen is overusing the battery. The rest are fairly normal percentage.
Like I mentioned in the beginning I only have this problem when i'm using ICS. Right now I have the stock ROM that I downloaded from SamMobile. When I'm using custom ROMs it gets worse. What could this be?
And yes I did try to search for similar problems, because it seems like a lot of people have problem with the battery but no one had the exact same problem as me.
I can just add that since I last charged my phone my screen has been on the lowest brightness and the phone had just been lying on my desk. I haven't even touched it. still 7% has been drained and the screen seems to do the job.
Does anybody know how to fix this?
Same to me....Plzzz guys...Help US.
Battery drain is the hotest topic on ICS these days. I believe the high RAM consumption of ICS is causing battery drain. Almost every ICS rom is having this issue. You are not alone. Relax and wait, you will see improvements.
-
In the mean while, you can install "betterbatterystats" to find out what is draining your battery. Good luck.
Hogir said:
Snce I have updated my GS2 to ICS my battery drains insanely fast. I don't even do anything with it. I go to the battery consumption table and it seems like the screen is overusing the battery. The rest are fairly normal percentage.
Like I mentioned in the beginning I only have this problem when i'm using ICS. Right now I have the stock ROM that I downloaded from SamMobile. When I'm using custom ROMs it gets worse. What could this be?
And yes I did try to search for similar problems, because it seems like a lot of people have problem with the battery but no one had the exact same problem as me.
I can just add that since I last charged my phone my screen has been on the lowest brightness and the phone had just been lying on my desk. I haven't even touched it. still 7% has been drained and the screen seems to do the job.
Does anybody know how to fix this?
Click to expand...
Click to collapse
Percentage means nothing. What is your screen on time? (Click on display to show these details)
ctomgee said:
Percentage means nothing. What is your screen on time? (Click on display to show these details)
Click to expand...
Click to collapse
Well now the screen has been on for one hour it says and my battery is on 77%. This is messed up...
Hogir said:
Well now the screen has been on for one hour it says and my battery is on 77%. This is messed up...
Click to expand...
Click to collapse
So when you clicked on display, it showed that screen on time is 1 hour, and your battery is currently at 77%? That isn't terrible, actually. That means you're on track for a little over 4 hours of screen on time before your battery will reach 0%. Average screen on time for full battery discharge is usually around 4-5 hours.
If you are using the phone, and the screen is on, the battery WILL drain.
ctomgee said:
So when you clicked on display, it showed that screen on time is 1 hour, and your battery is currently at 77%? That isn't terrible, actually. That means you're on track for a little over 4 hours of screen on time before your battery will reach 0%. Average screen on time for full battery discharge is usually around 4-5 hours.
If you are using the phone, and the screen is on, the battery WILL drain.
Click to expand...
Click to collapse
No believe me this is not good battery time at all. I have screen on lowest brightness and barely use it. Even when it's just lying there with screen off it drains a lot. I mean I have had this phone since last summer so I have had it or a while and he battery was pretty good before. But since I updated to ICS the battery drains a lot faster than before.
Hogir said:
No believe me this is not good battery time at all. I have screen on lowest brightness and barely use it. Even when it's just lying there with screen off it drains a lot. I mean I have had this phone since last summer so I have had it or a while and he battery was pretty good before. But since I updated to ICS the battery drains a lot faster than before.
Click to expand...
Click to collapse
You just said the screen said it was on for an hour, and the battery was at 77% in your post above. So was that not accurate?
If it is draining more since you upgraded to ICS, and you want it to get better, then you have three choices:
1 - Install BetterBatteryStats and other monitoring apps to figure out what is keeping wakelocks and other processes running on your phone that is draining battery...
2 - Do a factory reset/full wipe and see if it was an errant app you installed that could be draining the battery, then slowly start adding your apps back one by one... or
3 - Flash back to a Gingerbread firmware.
ctomgee said:
You just said the screen said it was on for an hour, and the battery was at 77% in your post above. So was that not accurate?
If it is draining more since you upgraded to ICS, and you want it to get better, then you have three choices:
1 - Install BetterBatteryStats and other monitoring apps to figure out what is keeping wakelocks and other processes running on your phone that is draining battery...
2 - Do a factory reset/full wipe and see if it was an errant app you installed that could be draining the battery, then slowly start adding your apps back one by one... or
3 - Flash back to a Gingerbread firmware.
Click to expand...
Click to collapse
Yeah I guess you're right, but at the same time the battery is very very bad compared to before so I'm confused. Maybe I was just enjoying a really good battery time back on Gingerbread?
1. First of all that BetterBatteryStats is too complicated for me. I tried to use it before I didn't get it. What am I supposed to do when I find something that is draining my battery. Should I freeze it? Uninstall it?
2. I have tried this a lot of times, no change.
3. If I use Gingerbread for some reason the APN settings with at&t doesn't work properly. I lose connection very often. So I'll rather have worse battery time for now. Is there a solution to the internet connection?
Thanks man I appreciate you taking your time!
Hogir said:
Yeah I guess you're right, but at the same time the battery is very very bad compared to before so I'm confused. Maybe I was just enjoying a really good battery time back on Gingerbread?
1. First of all that BetterBatteryStats is too complicated for me. I tried to use it before I didn't get it. What am I supposed to do when I find something that is draining my battery. Should I freeze it? Uninstall it?
Click to expand...
Click to collapse
Depends... if it's a system app, I would freeze it. If it's an app you installed, then uninstall it.
Hogir said:
2. I have tried this a lot of times, no change.
Click to expand...
Click to collapse
A factory reset? Then maybe a clean re-flash of the newest ICS could be worth a try then.
Hogir said:
3. If I use Gingerbread for some reason the APN settings with at&t doesn't work properly. I lose connection very often. So I'll rather have worse battery time for now. Is there a solution to the internet connection?
Click to expand...
Click to collapse
What modem/baseband are you using with Gingerbread, that could make a difference with mobile data dropping.
Also, what APN settings for AT&T are you using? There are a few different APNs. The two major ones are "wap.cingular", and "phone". The one you should actually use will depend on what kind of data plan you are signed up on.
ctomgee said:
Depends... if it's a system app, I would freeze it. If it's an app you installed, then uninstall it.
Click to expand...
Click to collapse
Sounds good. I'll see what I can do. Ill try it later tonight maybe.
ctomgee said:
A factory reset? Then maybe a clean re-flash of the newest ICS could be worth a try then.
Click to expand...
Click to collapse
I have done resets I have re-flashed the phone several times. But as I said it only happens when I'm using ICS.
ctomgee said:
What modem/baseband are you using with Gingerbread, that could make a difference with mobile data dropping.
Also, what APN settings for AT&T are you using? There are a few different APNs. The two major ones are "wap.cingular", and "phone". The one you should actually use will depend on what kind of data plan you are signed up on.
Click to expand...
Click to collapse
When I'm on GB I use KL1. Is that what you're asking? I had no idea there were two different APNs... I use "wap.cingular"
Do you have the APNs for "phone?" It would be awesome to have that. Then I could just go back to GB until they fix it.
BTW I checked my battery stats again, 24% left. It says screen 56% and Time on: 1h 54min... So it's is pretty bad, right? . It dropped really fast.
Android OS is second with 15%.
Hogir said:
Sounds good. I'll see what I can do. Ill try it later tonight maybe.
I have done resets I have re-flashed the phone several times. But as I said it only happens when I'm using ICS.
When I'm on GB I use KL1. Is that what you're asking? I had no idea there were two different APNs... I use "wap.cingular"
Do you have the APNs for "phone?" It would be awesome to have that. Then I could just go back to GB until they fix it.
Click to expand...
Click to collapse
APN for "phone" doesn't work unless you have a specific data plan - namely any 4G plan. So if I recall from some of your past posts, (I remember you now) you're on the non-smartphone data plan, right? Then the "phone" APN won't work for you if you are.
Hogir said:
BTW I checked my battery stats again, 24% left. It says screen 56% and Time on: 1h 54min... So it's is pretty bad, right? . It dropped really fast.
Android OS is second with 15%.
Click to expand...
Click to collapse
So you're running a clean flash? No downloaded apps installed yet? Yeah, that's terrible. Sorry to hear. I would go back to Gingerbread.
Reading stories like yours makes me glad I'm still ON Gingerbread.
The problem is that I'm not really using the screen that much. today I have just listened to music, not even used the screen that much. Just text a little bit an nothing else.
But still it shows up as if I have used the screen more then the other apps running in the background. Remember my screen is on LOWEST brightness level and I barely use it.
ctomgee said:
APN for "phone" doesn't work unless you have a specific data plan - namely any 4G plan. So if I recall from some of your past posts, (I remember you now) you're on the non-smartphone data plan, right? Then the "phone" APN won't work for you if you are.
Click to expand...
Click to collapse
Yeah I have the nonsmartphone plan, it works perfectly with ICS but not on GB. So it's weird
ctomgee said:
So you're running a clean flash? No downloaded apps installed yet? Yeah, that's terrible. Sorry to hear. I would go back to Gingerbread.
Reading stories like yours makes me glad I'm still ON Gingerbread.
Click to expand...
Click to collapse
You're still on GB, What ROM?
Hogir said:
Yeah I have the nonsmartphone plan, it works perfectly with ICS but not on GB. So it's weird
You're still on GB, What ROM?
Click to expand...
Click to collapse
Stock XXKI3, (2.3.5) I have several mods though.
If all else failed, try shutting down your phone, take the battery out and clean the battery contact points. Dirty contact points might be the culprit.
Cheers.
Sent from my GT-I9100
I flashed CM9 on my GSII on Friday and ever since it's had 5-6 hours on usage. I've tried doing the battery calibration stuff, seemed to be better Monday and today it had 50% after a few hours of gaming so that seemed normal but then i reset it and it dropped down to 10%. I tried calibrating again and still 5 hours.
I've been using that Battery Calibration app and it game me 40% charge at ~3500mV. I'm not sure whether that is the battery volume but seeing as 100% was 4200mV something seems wrong.
Anyone have any ideas?
paste
Ten million exact same posts .
Read thye battery FAQS .
Start with Better Battery Stats threa d and wakelocks .
jje
Is a ICS problem. Drains much battery.-
Now i have a slim ICS + n.e.a.k. kernel, and have great perfomance.-
link:
Rom:
http://forum.xda-developers.com/showthread.php?t=1536783
Kernel:
http://forum.xda-developers.com/showthread.php?t=1576355
thefern2008 said:
Is a ICS problem. Drains much battery.-
Now i have a slim ICS + n.e.a.k. kernel, and have great perfomance.-
link:
Rom:
http://forum.xda-developers.com/showthread.php?t=1536783
Kernel:
http://forum.xda-developers.com/showthread.php?t=1576355
Click to expand...
Click to collapse
It isn't ICS, i flashed it on a friends GSII at the same time and his last 1-2 days like usual.
i´m test ics roms, and have much differences between them.-
maybe the kernel makes the difference.-
But is a fact that GB has better battery management, that ICS
thefern2008 said:
i´m test ics roms, and have much differences between them.-
maybe the kernel makes the difference.-
But is a fact that GB has better battery management, that ICS
Click to expand...
Click to collapse
I have an LG GT540 as well with ICS on it and that would get 8 hours regular usage with it. My GS2 get's less then that without me using it.
Ok you compare with other device, i Spoken to Galaxy s2, Ics have bad battery management, in sleep mode.-
But I´m still test the slim rom with neal kernel and have 53% battery after 30hs. with a general purpose.-
try it this rom an kernel,.-
As was already pointed out, bad battery life is almost always a rogue app keeping the phone awake, install Better Battery Stats and CPU Spy to monitor wake locks and deep sleep, if you find a problem with an app keeping your phone awake, uninstall it and your problem will likely go away. Personally, I've been running CM9 and other variants of ICS for months and I get less than 1% per hour of drain while the screen is off and the phone is asleep, this is better than Gingerbread was.
thracemerin said:
As was already pointed out, bad battery life is almost always a rogue app keeping the phone awake, install Better Battery Stats and CPU Spy to monitor wake locks and deep sleep, if you find a problem with an app keeping your phone awake, uninstall it and your problem will likely go away. Personally, I've been running CM9 and other variants of ICS for months and I get less than 1% per hour of drain while the screen is off and the phone is asleep, this is better than Gingerbread was.
Click to expand...
Click to collapse
I am curious - is this during the day with full sync going and data always on as well?
ctomgee said:
I am curious - is this during the day with full sync going and data always on as well?
Click to expand...
Click to collapse
Yes, gmail, facebook, etc... Remember that I said screen off, obviously screen on drain is considerably higher.
thracemerin said:
Yes, gmail, facebook, etc... Remember that I said screen off, obviously screen on drain is considerably higher.
Click to expand...
Click to collapse
Right, but background sync can still hit the battery, even with screen off. I was just curious.
Ive had days with horrible drain but it was almost always an app doing something dumb and keeping the phone awake, bad cell reception or a noisy wifi router. The trick being to identify wake locks that seem suspicious and track them down.
Sent from my GT-I9100 using xda premium
any free apps to watch for wake locks? Don't really want to spend 3.00 for better battery stats..
Ravi Shanghavi said:
any free apps to watch for wake locks? Don't really want to spend 3.00 for better battery stats..
Click to expand...
Click to collapse
There is a free version of better battery stats on xda in the android section, just look for it. But, do consider supporting the dev, BBS is a great app.
Ravi Shanghavi said:
any free apps to watch for wake locks? Don't really want to spend 3.00 for better battery stats..
Click to expand...
Click to collapse
You don't have to. Since you're an XDA member you can download it from here. Just search for it.
ctomgee said:
You don't have to. Since you're an XDA member you can download it from here. Just search for it.
Click to expand...
Click to collapse
It's always better for everybody to support the developer by purchasing it on the Play Store, I did it.
It's a thing of principles, if you support developers they will keep improving apps and making our lives more enjoyable with our beloved SG2.
Regards.
Socotroco said:
It's always better for everybody to support the developer by purchasing it on the Play Store, I did it.
It's a thing of principles, if you support developers they will keep improving apps and making our lives more enjoyable with our beloved SG2.
Regards.
Click to expand...
Click to collapse
I agree with you, I was just trying to help the guy out who was asking for it.
I have been struggling with trying to figure out if the battery life I am seeing is what my Atrix is really capable of. I am occasionally a heavy user, but on weekends I am a very light user. I'll start at 8am with 100% and be almost dead at 6-8pm. I have searched around and seen other Atrix users with 24 hours of battery life and even if I tried my hardest to not use my phone I wouldn't get those kind of numbers. I feel fairly confident in saying i scoured search results and tried everything i could find to extend battery life.
Am I doing something wrong?
Is there something I can do to help?
I know it's been asked before, but I am hoping to get some current answers for this question: what kind of battery life numbers are you getting on your Atrix? Which rom are you using?
Atrix 4G running CM7 RC3. If the answer is "keep it charged as often as possible", it is what it is. It would be great to find an answer to why battery life is so much shorter than others though! Many thanks in advance.
Just noticed CM7.2 stable was released, upgrading to that now to see if battery life improves. Might try a full wipe to see if battery life is better without email, syncs, etc. etc. if the upgrade doesn't help.
i would recommend getting cpu spy and also download and install as a zip 'blue sleep fix' (blue sleep zip can be found in the CM7 thread). This has greatly improved my battery life.
rjbanker said:
Just noticed CM7.2 stable was released, upgrading to that now to see if battery life improves. Might try a full wipe to see if battery life is better without email, syncs, etc. etc. if the upgrade doesn't help.
Click to expand...
Click to collapse
Which kernel? Flash Faux 1.0GHz and undervolt across the board by -50mv. Instant battery life!
Also, use ROM Manager or equivalent to stop all non essential apps from starting on boot.
Sent from my MB860 using xda premium
barry_ said:
i would recommend getting cpu spy and also download and install as a zip 'blue sleep fix' (blue sleep zip can be found in the CM7 thread). This has greatly improved my battery life.
Click to expand...
Click to collapse
There are 2 cpu spy apps on the market, can you let me know which one to use? Bluesleep fix found and downloading now.
CaelanT said:
Which kernel? Flash Faux 1.0GHz and undervolt across the board by -50mv. Instant battery life!
Also, use ROM Manager or equivalent to stop all non essential apps from starting on boot.
Sent from my MB860 using xda premium
Click to expand...
Click to collapse
Flashed Faux 1.0 no problem. I do not know how to undervolt so I will search around and see if i can find something on it. Ill try stopping some startup apps too. Thanks for the suggestions all! Keep them coming!
rjbanker said:
There are 2 cpu spy apps on the market, can you let me know which one to use? Bluesleep fix found and downloading now.
Click to expand...
Click to collapse
the one by 'STORM717' :good:
Hopefully did the under volt right! Should I set it to take effect at boot?
Sent from my MB860 using XDA
rjbanker said:
Hopefully did the under volt right! Should I set it to take effect at boot?
Sent from my MB860 using XDA
Click to expand...
Click to collapse
Test your settings for a few days. If the phone stays stable THEN you set at boot.
Big thanks to everyone! Battery life has improved a ton (see picts)! It was hard finding the blue sleep fix, here it is for others to easily find: http://forum.xda-developers.com/showpost.php?p=25437046&postcount=436
rjbanker said:
Big thanks to everyone! Battery life has improved a ton (see picts)! It was hard finding the blue sleep fix, here it is for others to easily find: http://forum.xda-developers.com/showpost.php?p=25437046&postcount=436
Click to expand...
Click to collapse
Err, that is not good battery life at all bro. I can tell you barely used the phone. Atrix should be able to provide up to 2 days standby time...
I wouldn't undervolt either, I read on these forums that the battery gained from undervolting barely makes a difference
MB860, CM7.2.0, Faux 026b1 1Ghz
rjbanker said:
Big thanks to everyone! Battery life has improved a ton (see picts)! It was hard finding the blue sleep fix, here it is for others to easily find: http://forum.xda-developers.com/showpost.php?p=25437046&postcount=436
Click to expand...
Click to collapse
You should turn wifi off when not in use, that will save battery life.
Badass battery will let you know how you spend your battery by % and let you know which app takes the most battery. (Lets you get a really readable easily understandable battery read out.)
I can help you get even better battery if you use this app and give me some numbers (it has a share via gmail/etc)
mayhemrules said:
You should turn wifi off when not in use, that will save battery life.
Click to expand...
Click to collapse
Or simply set wifi sleep to screen off
MB860, CM7.2.0, Faux 026b1 1Ghz
Ciloteille said:
Badass battery will let you know how you spend your battery by % and let you know which app takes the most battery. (Lets you get a really readable easily understandable battery read out.)
I can help you get even better battery if you use this app and give me some numbers (it has a share via gmail/etc)
Click to expand...
Click to collapse
turning off wifi is not going to help him that much. I leave my wifi on all the time no problems, make 2 days light usage no problem.
More likely he's got some apps running around in the background. I suggest he pick through what he's got installed and start turning off the things that like to sync all the time in the background.
I think step number 1 would be to install a non-stock ROM and startover fresh.
Blur-based ROMs (Nottachtrix was really good) then the faux123 kernel then slowly start installing the apps he likes to use and monitor battery life. It might take a month but he's definitely got an offender here or there causing these problems.
also install Juice Defender. My mom's Galaxy S2 was having tons of problems with battery life even though she wasn't using it at all, 60% battery life at 3pm without using it at all, installed that and immediately helped her a lot, like 80% by 3pm WITH use.
Also, clear your dalvik cache. After installing lots of stuff and not using it, it just fills up with sometimes poorly written code. Clearing it always makes phone faster in my experience.
Ciloteille said:
Badass battery will let you know how you spend your battery by % and let you know which app takes the most battery. (Lets you get a really readable easily understandable battery read out.)
I can help you get even better battery if you use this app and give me some numbers (it has a share via gmail/etc)
Click to expand...
Click to collapse
I will give that a shot, thanks!
Soldier-2Point0 said:
Or simply set wifi sleep to screen off
MB860, CM7.2.0, Faux 026b1 1Ghz
Click to expand...
Click to collapse
Strangely, I keep setting wifi to turn off when the screen is off...but it keeps resetting itself. I wonder if I found a bug?
rancur3p1c said:
turning off wifi is not going to help him that much. I leave my wifi on all the time no problems, make 2 days light usage no problem.
More likely he's got some apps running around in the background. I suggest he pick through what he's got installed and start turning off the things that like to sync all the time in the background.
I think step number 1 would be to install a non-stock ROM and startover fresh.
Blur-based ROMs (Nottachtrix was really good) then the faux123 kernel then slowly start installing the apps he likes to use and monitor battery life. It might take a month but he's definitely got an offender here or there causing these problems.
also install Juice Defender. My mom's Galaxy S2 was having tons of problems with battery life even though she wasn't using it at all, 60% battery life at 3pm without using it at all, installed that and immediately helped her a lot, like 80% by 3pm WITH use.
Also, clear your dalvik cache. After installing lots of stuff and not using it, it just fills up with sometimes poorly written code. Clearing it always makes phone faster in my experience.
Click to expand...
Click to collapse
I think this is what I will do today! I'll do a nandroid backup, and try Nottachtrix with no extra stuff installed or setup. I will report back! I appreciate all the help to get my phone performing where it should be.
Just wanted to report in. I tried a clean ROM as stated in my previous post with no luck. I just couldn't get past the battery life I was getting with cyanogenmod WITH all of the apps and syncs enabled. Should I try another ROM maybe?
Maybe your battery is just a bit old? After ~2 years, you can expect that battery life drops dramatically. if you are a heavy user this might happen earlier. Maybe check with the battery of a friend of yours whether it's a software or a hardware issue
Nvmd
You could be right, the battery might be dying.
I was on vacation the past few days so I got the opportunity to not use my phone most of the day (job requires me to use the phone a lot). The battery lasted about 12 hours and looked like it had about 4 hours left. So maybe I am expecting too much, but I'm not trolling...no.
If you aren't going to be helpful, go somewhere else. You could have said "Your phone screen was on for probably longer periods than the average user and that's why you can't hit longer hours". Based on your previous comments, I shouldn't expect much from you though.
Many thanks to all who are helping me. You're all awesome.
:thumbup:
Sent from my MB860 using xda app-developers app
11-12 hours.
I also have 11-12 hours with 1 charge. And it is not enough for me. I use only Whatsapp ( a lot usage ), a little bit browsing, 20-30 minutes phone calls. These are all. And 11-12 hours is sooo bad for them i guess.
I have an "suspend linux process" drainage issue. Maybe because of it, I'm getting this result.
How can I extend my battery life. PLEASE Help!
Somehow, it seems over time battery life on ICS has consistently diminished. May try some things but this is stock rom, and really not a lot of apps widgets. Is everyone having this?
Example, Sunday I unplug it at noon, and by 7 its at 4%, made a few calls, say 3 under 5 min. Used navigation some, texted some, and a bit of fantasy football app. But that seems below reasonable expectations.
Widgets: 1 weather, Tim Hutt ICS calendar, SiMi Clock, battery & Weather(lockscreen), Widget Locker, Google Music. Launcher: Apex pro.
Did a bit of surfing and didn't see much around stock ICS (could have missed it)
Mez-Jr said:
Somehow, it seems over time battery life on ICS has consistently diminished. May try some things but this is stock rom, and really not a lot of apps widgets. Is everyone having this?
Example, Sunday I unplug it at noon, and by 7 its at 4%, made a few calls, say 3 under 5 min. Used navigation some, texted some, and a bit of fantasy football app. But that seems below reasonable expectations.
Widgets: 1 weather, Tim Hutt ICS calendar, SiMi Clock, battery & Weather(lockscreen), Widget Locker, Google Music. Launcher: Apex pro.
Did a bit of surfing and didn't see much around stock ICS (could have missed it)
Click to expand...
Click to collapse
I have the same problem too. The battery life is so horrible :crying:
I need to charge 2 - 3 times per day. I am thinking of downgrading to ginger bread if this continues.
did you tried the Canadian base?
mimmus said:
did you tried the Canadian base?
Click to expand...
Click to collapse
I'm on the US AT&T stock ICS. Have not tried any roms.
If you upgraded via kies or OTA...the chance of a corrupted flash is high.
I'm not saying that it is, but we have had several reports of failed OTA or kies upgrades to ICS...
The only good fix is a re-install of the build...
I would go to samfirmware.com, and push the rom to the device again, and then test the battery life.
this would not be the first bad rom image we have seen from the upgrade.....g
And remember, it takes 3-5 days of normal usage after a fresh install, for the dalvik cache to build, and for the device to "settle" before any accuracy can be measured...g
gregsarg said:
If you upgraded via kies or OTA...the chance of a corrupted flash is high.
I'm not saying that it is, but we have had several reports of failed OTA or kies upgrades to ICS...
The only good fix is a re-install of the build...
I would go to samfirmware.com, and push the rom to the device again, and then test the battery life.
this would not be the first bad rom image we have seen from the upgrade.....g
And remember, it takes 3-5 days of normal usage after a fresh install, for the dalvik cache to build, and for the device to "settle" before any accuracy can be measured...g
Click to expand...
Click to collapse
If this is the case, should I try something like a factory reset then reinstall? I initially updated via Keis.
What is typical battery life on ICS? I recall I got the note right before going to SXSW and it would run from 8am to 11pm with solid use and maybe a 10-20% top off somewhere in the day. This has given me serious cell phone "range anxiety", even bought a external battery to address it.
Mez-Jr said:
If this is the case, should I try something like a factory reset then reinstall? I initially updated via Keis.
What is typical battery life on ICS? I recall I got the note right before going to SXSW and it would run from 8am to 11pm with solid use and maybe a 10-20% top off somewhere in the day. This has given me serious cell phone "range anxiety", even bought a external battery to address it.
Click to expand...
Click to collapse
Best screen on times I've seen are ranging from 3-4 hours, and overall battery times are going 18-24 hours...
Now mileage varies greatly between users, and i'm running ICS as well, and since 6 a.m. today, I've used 14% battery in 7 hours...
I've made 2 phone calls, sent 3 texts, and messed around with settings for about 30 minutes...
It does sound like you may have gotten a dirty flash image...but it's so hard to tell, unless you get random freezes, boot loops etc.
But the stock ICS battery life was horrible for me........g
gregsarg said:
Best screen on times I've seen are ranging from 3-4 hours, and overall battery times are going 18-24 hours...
Now mileage varies greatly between users, and i'm running ICS as well, and since 6 a.m. today, I've used 14% battery in 7 hours...
I've made 2 phone calls, sent 3 texts, and messed around with settings for about 30 minutes...
It does sound like you may have gotten a dirty flash image...but it's so hard to tell, unless you get random freezes, boot loops etc.
But the stock ICS battery life was horrible for me........g
Click to expand...
Click to collapse
It boots and actually runs fine. Occasionally cell standby chews the battery out of nowhere, andriod os and phone idle too.
I pulled it off the charger today at 9am and as of 2:00 I was at 68%. Checked email, messed on flipboard while making coffee, updated a few apps. Checked traffic. Mostly just sat on my desk.
Mez-Jr said:
It boots and actually runs fine. Occasionally cell standby chews the battery out of nowhere, andriod os and phone idle too.
I pulled it off the charger today at 9am and as of 2:00 I was at 68%. Checked email, messed on flipboard while making coffee, updated a few apps. Checked traffic. Mostly just sat on my desk.
Click to expand...
Click to collapse
Yeh...thats nearly double the battery drain i'm seeing.....
I really think you should either re-flash the stock build using samfirmware.com, or flash up a custom rom you can adjust to get this battery issue under control...g
gregsarg said:
Yeh...thats nearly double the battery drain i'm seeing.....
I really think you should either re-flash the stock build using samfirmware.com, or flash up a custom rom you can adjust to get this battery issue under control...g
Click to expand...
Click to collapse
Agh, yeah I'll have to give that a shot... Been looking at CM10 or something, I had a jailbroken iPhone4 previously so I'm not ADVERSE to doing this... was hoping to stay stock a little bit longer... I know the samfirmware thing is the stock firmware but still, playing with the OS DOES cause a bit of anxiety...
Mez-Jr said:
Agh, yeah I'll have to give that a shot... Been looking at CM10 or something, I had a jailbroken iPhone4 previously so I'm not ADVERSE to doing this... was hoping to stay stock a little bit longer... I know the samfirmware thing is the stock firmware but still, playing with the OS DOES cause a bit of anxiety...
Click to expand...
Click to collapse
Though, would a factory reset take it back to GB and allow me to do the upgrade again?
Mez-Jr said:
Though, would a factory reset take it back to GB and allow me to do the upgrade again?
Click to expand...
Click to collapse
Possibly .....
But you can push the factory roms to the device any time you wish ....it's endless really ....g
---------- Post added at 05:17 PM ---------- Previous post was at 05:13 PM ----------
Mez-Jr said:
Agh, yeah I'll have to give that a shot... Been looking at CM10 or something, I had a jailbroken iPhone4 previously so I'm not ADVERSE to doing this... was hoping to stay stock a little bit longer... I know the samfirmware thing is the stock firmware but still, playing with the OS DOES cause a bit of anxiety...
Click to expand...
Click to collapse
Understood ...
Fortunately, the note is painless to use on custom roms ...
With the ATT version, you simply push a custom recovery to the device via Odin, then download and flash the rom.
No root needed. And if you don't like it, you restore the stock nandroid backup and presto...no more rom.
Root is very nice though, as it allows sooo much more control ....g
Extra Batteries, their cheap and totally worth it just make sure you get a wall charger too
I've pretty much given up on eking out more battery life since it seems universally bad.
A bit more than 4 hours screen-on time seems to be the limit without setting the screen to ultra dim.
Standby seems entire dependent on my signal strength and whether I have LTE enabled or not. If it's strong, 24+ hours isn't unreasonable.
ChronoReverse said:
I've pretty much given up on eking out more battery life since it seems universally bad.
A bit more than 4 hours screen-on time seems to be the limit without setting the screen to ultra dim.
Standby seems entire dependent on my signal strength and whether I have LTE enabled or not. If it's strong, 24+ hours isn't unreasonable.
Click to expand...
Click to collapse
Well, yeah screen destroys the battery. After ICS it seems as though they cranked up the brightness and contrast. Or is that just me?
Don't want to add to Omega ROM's 2000+ page thread.
I've been running the last few Omega JB ROMs and they're very decent speed-wise, however my battery life has basically gone to hell compared to the ICS ROMs. Are all JB ROMs like this? Can you suggest a different JB ROM?
And before anyone makes suggestions, thank you, but I have already done all the usual checking to make sure it's not my apps causing the problem.
Are you sure you haven't got the media scanner problem?
slaphead20 said:
Are you sure you haven't got the media scanner problem?
Click to expand...
Click to collapse
The media scanner problem? Please enlighten me
setspeed said:
The media scanner problem? Please enlighten me
Click to expand...
Click to collapse
Media scanner goes crazy keeping the device busy, like... at full 1,4GHz speed for long periods of time, some people reported about an hour of this behavior.
The easy way around is disabling it with Rescan Media Root
You can identify this issue using BBS, look for partial wakelocks.
VulguM said:
Media scanner goes crazy keeping the device busy, like... at full 1,4GHz speed for long periods of time, some people reported about an hour of this behavior.
The easy way around is disabling it with Rescan Media Root
You can identify this issue using BBS, look for partial wakelocks.
Click to expand...
Click to collapse
Don't think I'm suffering from that. Since boot 10h 41m ago my biggest partial wakelock is Google Maps NetworkLocationLocator 25m 50s, 4% of my battery. Thanks for suggestion, hadn't heard of that issue.
setspeed said:
Don't think I'm suffering from that. Since boot 10h 41m ago my biggest partial wakelock is Google Maps NetworkLocationLocator 25m 50s, 4% of my battery. Thanks for suggestion, hadn't heard of that issue.
Click to expand...
Click to collapse
The Google maps thing is related to Google now I'm pretty sure, it adds a bit of drain but imho worth it for the usefulness of it, downloading bus timetables is a thing of the past now
Are all JB ROMs like this?
Click to expand...
Click to collapse
No JB rom, be it AOSP-based like Cyanogenmod or Samsung-created, are out of dev-preview/beta so give it some time to mature and get better.
ICS battery life has greatly improved from the first ROM, you cannot expect Jelly bean to be at that point just yet.
d4fseeker said:
No JB rom, be it AOSP-based like Cyanogenmod or Samsung-created, are out of dev-preview/beta so give it some time to mature and get better.
ICS battery life has greatly improved from the first ROM, you cannot expect Jelly bean to be at that point just yet.
Click to expand...
Click to collapse
So basically they're all pretty bad on battery life then? That's fine, all I needed to know - I'll not waste my time flashing loads of different ROMs, and just stick with Omega for now
just had 18+ hours up and 7+ hours screen on time of the jb I'm running...I'm ok with that
slaphead20 said:
just had 18+ hours up and 7+ hours screen on time of the jb I'm running...I'm ok with that
Click to expand...
Click to collapse
I'm getting less than 4hrs screen-on time, and limp to about 14hrs between charges, compared with almost 6hrs/20+hrs on ICS on the exact same usage.
setspeed said:
I'm getting less than 4hrs screen-on time, and limp to about 14hrs between charges, compared with almost 6hrs/20+hrs on ICS on the exact same usage.
Click to expand...
Click to collapse
Fyi....I'm running siyah on rgui,, all Samsung cr*p frozen, JD running, auto synch on, location services on for Google now
Omega was horrible for my battery, then I switched to wanamlite.
In the meanwhile i cleared my user data and performed a heavy cleaning of the rom by means of ROMCleaner and removing even more stuff than mentioned in the ROMCleaner thread.
Therefore I cannot guarantee whether it is a problem in omega's rom or in my data.
After a night the results were satisfactory, as shown in the screenshot. Soon I will start a thread to explain my approach.
Maybe I'll give Wanamlite a try then...
Hi Guys,
You might wana use the Better Battery Stats XDA version. you will see what's eating your battery.
http://forum.xda-developers.com/showthread.php?t=1179809
On my phone battery life went down from 20+ hours on stdby to 8 hours on stdby with JB update!
I'll go back to ICS.
-J-