I decided recently to do the OTA update to 2.3.5, and since then, I've been getting terrible battery drain. Overnight, I lose a few % per hour. I have to charge the phone everyday even if I don't use it. It says Android OS is draining most of my battery. I haven't noticed any significant improvements from 2.3.5, but I've noticed a few annoyances, like when I press back out of an application, it doesn't close it. I have to use my task manager.
Anyone know a fix to this without putting on another ROM/Kernel? I haven't done that since my Captivate, and I doubt I'm adept enough to do it at the moment.
CalvinL said:
I decided recently to do the OTA update to 2.3.5, and since then, I've been getting terrible battery drain. Overnight, I lose a few % per hour. I have to charge the phone everyday even if I don't use it. It says Android OS is draining most of my battery. I haven't noticed any significant improvements from 2.3.5, but I've noticed a few annoyances, like when I press back out of an application, it doesn't close it. I have to use my task manager.
Anyone know a fix to this without putting on another ROM/Kernel? I haven't done that since my Captivate, and I doubt I'm adept enough to do it at the moment.
Click to expand...
Click to collapse
Post in the proper forums for your phone? These are the forums for the AT&T SGH-I777, whick never had an official 2.3.5 release. Just UCKH7 (2.3.4) and UCKK6 (2.3.6)
Entropy512 said:
Post in the proper forums for your phone? These are the forums for the AT&T SGH-I777, whick never had an official 2.3.5 release. Just UCKH7 (2.3.4) and UCKK6 (2.3.6)
Click to expand...
Click to collapse
Calm down. I meant 2.3.6.
CalvinL said:
I decided recently to do the OTA update to 2.3.5, and since then, I've been getting terrible battery drain. Overnight, I lose a few % per hour. I have to charge the phone everyday even if I don't use it. It says Android OS is draining most of my battery. I haven't noticed any significant improvements from 2.3.5, but I've noticed a few annoyances, like when I press back out of an application, it doesn't close it. I have to use my task manager.
Anyone know a fix to this without putting on another ROM/Kernel? I haven't done that since my Captivate, and I doubt I'm adept enough to do it at the moment.
Click to expand...
Click to collapse
No.
The battery drain is a fairly common complaint with the 2.3.6 OTA update. As far as the back button, I havn't seen that mentioned, and I did not notice the behavior during the short time I experimented with the OTA update.
Your options are, 1) flash Entropy512's latest (12/21) daily driver kernel to see if this will stop the battery drain, 2) go back to stock UCKH7 and aviod the update, 3) flash a custom rom.
Flashing a custom rom is the best option in my opinion. There are guides to help you step by step.
CalvinL said:
Calm down. I meant 2.3.6.
Click to expand...
Click to collapse
In that case, why post your own thread instead of on one of the MANY threads discussing UCKK6 battery issues?
Entropy512 said:
In that case, why post your own thread instead of on one of the MANY threads discussing UCKK6 battery issues?
Click to expand...
Click to collapse
Which is why this one will be closed... NOW.
Related
Ok, I installed 2.3.6 from AT&T and my bettery life has tanked.
Batter Usage shows the Android OS at 93%!!!
Not using my phone, it is dead in about 7 hours.
Kernel Version
2.6.35.7
Build Number
GINGERBREAD.UCKK6
I am not rooted and dont want to root.
HELP!
Tymong said:
Ok, I installed 2.3.6 from AT&T and my bettery life has tanked.
Batter Usage shows the Android OS at 93%!!!
Not using my phone, it is dead in about 7 hours.
Kernel Version
2.6.35.7
Build Number
GINGERBREAD.UCKK6
I am not rooted and dont want to root.
HELP!
Click to expand...
Click to collapse
You have an app that is driving data to your phone, causing the wifi chip to wake the phone all the time. Apparently a system app - a lot of people have been having this issue with KK6.
Beyond this - sorry, but if you are not rooted you will have to live with it. Identifying what is triggering the wifi interrupts requires obtaining a Wireshark capture, this is not possible without root. Even if a common root cause is found for what's going on with KK6, it's most likely in /system itself so can't be fixed without a custom ROM or at least rooting.
If you're not willing to root, why are you on a firmware developer forum? Have AT&T help you instead if you're on 100% bone stock unrooted.
Well if it's an APP causing it, then many many people must be running the same app cause all of the various forums out there are a lot of people with the battery drain after updating to 2.3.6. Even a lot of my customers have mentioned it also.
I doubt it is an APP doing it. I'd bet it is just some bad coding on Samsung's part. They are probably getting a lot of complaints and are most likely already looking into it.
As far as the why he is here if he doesn't root. Well I don't root as well and have no desire to being as stock works just great. (other than the battery drain)
This is a great place to hang out and keep up on other people using various phones. He posted in the General section, not the Developer's section for this phone. So I think his/her question was valid.
If he was asking the question in the Developers section I would understand your concern. But I don't feel you have to be into cooked ROMS to value this forum.
That's like saying to the people who like the "Fast and the Furious" moves to stop watching them because they have a Chevy and not a pimped up Civic.
Tymong said:
Ok, I installed 2.3.6 from AT&T and my bettery life has tanked.
Batter Usage shows the Android OS at 93%!!!
Not using my phone, it is dead in about 7 hours.
Kernel Version
2.6.35.7
Build Number
GINGERBREAD.UCKK6
I am not rooted and dont want to root.
HELP!
Click to expand...
Click to collapse
I'm not rooted with wifi on all the time just got the phone 3 days ago and I'm getting 14-15hrs with no issue down to about 15-20% battery life left before I have to stick back on charger. Could be a bad battery or device, I'm coming over from Sprint after using rooted evo3d and rooted photon.
Sent from my SAMSUNG-SGH-I777 using xda premium
The forum is called xda-DEVELOPERS.com
If you don't want to root, you're probably better off in the AT&T support forums, because honestly, it isn't worth our time to try and help someone who doesn't want to root fix a problem that is almost sure to require root access to fix, or in this case, even diagnose.
I do believe many are having this issue after upgrading to kk6 (with same apps installed). I had the issue as well.
May be a system app, or something in /system causing an app to become unhappy.
Either way, it's not going to get fixed without Shark for Root captures from those encountering problems.
Sent from my GT-P7510 using Tapatalk
browncarpet said:
I do believe many are having this issue after upgrading to kk6 (with same apps installed). I had the issue as well.
Click to expand...
Click to collapse
I don't think it anything to do with KK6. As Entropy said its an app causing a wake lock. I'm run Ingram KK6 without any issues with battery.
Sent from my sgh-i777 using xda premium
Having this issue as well. Phone is stock. Ive been here since the captivate but I hang around with the sgs2. Never needed to root this phone as it works perfectly for me. But I did the update this morning at 100% charge and 9 hours later with no use it's down to 9%. I could go all day with moderate use and be at 30-40% by the time I go to bed.
I read on a rather long on a google forum that many had this issue after upgrading via ota but who knows. I found that wiping dalvik and flashing unnamed update again I have much better batter life. I did read in update that he reverted to an earlier kernel signature to fix the battery drain.
Im going back to 2.3.4 via this method.
http://galaxys2root.com/att-galaxy-s2/how-to-unroot-att-galaxy-s2-sgh-i777/
Losing 10% of my battery at idle /hour is ridiculous lol. Android os was at 87+% within 3 hours of restart.
Edit:
Okay so I did this method. Took about 5 mins after I got everything downloaded. I did not do the factory reset since it's not needed. Phones back to 2.3.4 and nothing was reset. Have all my sms's contacts, aps, wallpapers etc. Battery seems to be back to normal.
I recommend everyone who did that 2.3.6 update to revert back. To many problems with it.
I never entered download mode on this phone before. Just a tip: Keep holding all the buttons till the phone seems like it shuts off and keep holding them till you get into download mode. Do not let go or else it just powers off.
For the purposes of attempting to fix the problem, I really would like some people to take some Shark for Root captures as described in my Known Battery Drainers thread.
With that data, the root cause of the problem might be identifiable.
So far I've only seen one capture, I really need more unless I can reproduce the problem myself.
Entropy512 said:
For the purposes of attempting to fix the problem, I really would like some people to take some Shark for Root captures as described in my Known Battery Drainers thread.
With that data, the root cause of the problem might be identifiable.
So far I've only seen one capture, I really need more unless I can reproduce the problem myself.
Click to expand...
Click to collapse
I'm also having battery issues but would like to try to fix it before giving up.
I've searched a bunch but can't find that thread. Not at home to try it on my PC so if you'll link it here, I'll do what I can to get some captures for you.
Sent from my SAMSUNG-SGH-I777 using Tapatalk
[REF] Known identified battery drainers
n7slc said:
I've searched a bunch but can't find that thread. Not at home to try it on my PC so if you'll link it here, I'll do what I can to get some captures for you.
Click to expand...
Click to collapse
[REF] Known identified battery drainers
I read a possible solution on another forum and tried it with my SGS2 today and am amazed at the difference today in my battery life.
Worth a shot as it does not require anything more than charging your phone and pulling the battery.
Charge your phone to 100% with the phone off (hold the power button for 3 seconds or so until the menu comes up and select power off). When you reach 100%, unplug the charger and remove your battery (some said keep the battery removed for 90 seconds while others said 3-5 minutes). I left my battery out for 5 minutes or so. Put the battery back in and power on.
That was it. My Android OS went back to normal and the battery life today has been great if not better then with 2.3.6 than before I updated.
Screen grab of my current battery use after trying this method this morning is attached.
radeon962 said:
I read a possible solution on another forum and tried it with my SGS2 today and am amazed at the difference today in my battery life.
Worth a shot as it does not require anything more than charging your phone and pulling the battery.
Charge your phone to 100% with the phone off (hold the power button for 3 seconds or so until the menu comes up and select power off). When you reach 100%, unplug the charger and remove your battery (some said keep the battery removed for 90 seconds while others said 3-5 minutes). I left my battery out for 5 minutes or so. Put the battery back in and power on.
That was it. My Android OS went back to normal and the battery life today has been great if not better then with 2.3.6 than before I updated.
Screen grab of my current battery use after trying this method this morning is attached.
Click to expand...
Click to collapse
Placebo effect - did nothing a plain old reboot would not have done.
Entropy512 said:
Placebo effect - did nothing a plain old reboot would not have done.
Click to expand...
Click to collapse
Quite possible, but still running on the same charge from this morning and am at 28% battery after 14+ hours of normal use which is all I expect (calls, texts and light web browsing during the day over data) and then couple hours of web use at night over Wi-Fi when at home.
The last few days I was charging the phone when I got home from the office if I wanted to use it at night. Android OS was way up in the 60+ range after I first updated OTA and today it has been under 20% and more near 15%, so I'll take it.
---------- Post added at 11:09 PM ---------- Previous post was at 10:59 PM ----------
Come to think, I probably did not do a reboot after the update and could have been all that was needed.
radeon962 said:
I read a possible solution on another forum and tried it with my SGS2 today and am amazed at the difference today in my battery life.
Worth a shot as it does not require anything more than charging your phone and pulling the battery.
Charge your phone to 100% with the phone off (hold the power button for 3 seconds or so until the menu comes up and select power off). When you reach 100%, unplug the charger and remove your battery (some said keep the battery removed for 90 seconds while others said 3-5 minutes). I left my battery out for 5 minutes or so. Put the battery back in and power on.
That was it. My Android OS went back to normal and the battery life today has been great if not better then with 2.3.6 than before I updated.
Screen grab of my current battery use after trying this method this morning is attached.
Click to expand...
Click to collapse
I did this and saw absolutely no change. 2.3.6 is draining my battery far faster than 2.3.4 ever did. The culprit is the Android OS running at 90%.
I read that it might be an issue with the wifi so I have turned that off and will report back if that seems to fix it.
I read on another forum that att and Samsung are trying to blame it on bad batteries and shipping out new batteries.
What a bunch of crap. People everywhere wouldn't suddenly all have bad batteries at the same time. Sounds like usual BS.
I personally think its just some bad coding that Samsung needs to figure out.
On a different note, I played with the Verizon Droid Razr yesterday. Man that is a really nice phone. I'm tempted to get it, but I work for att and get free cell service, so it wouldn't make sense to pay for Verizon service, even though I think their network is better.
Sent from my SAMSUNG-SGH-I777 using XDA App
chocodough said:
I read on another forum that att and Samsung are trying to blame it on bad batteries and shipping out new batteries.
What a bunch of crap. People everywhere wouldn't suddenly all have bad batteries at the same time. Sounds like usual BS.
I personally think its just some bad coding that Samsung needs to figure out.
On a different note, I played with the Verizon Droid Razr yesterday. Man that is a really nice phone. I'm tempted to get it, but I work for att and get free cell service, so it wouldn't make sense to pay for Verizon service, even though I think their network is better.
Sent from my SAMSUNG-SGH-I777 using XDA App
Click to expand...
Click to collapse
Android OS is definately eating up the battery now. I think it does have to do with wifi, because it seems to be much improved with it off. I'll take a free battery as long as I don't need to exchange the old one.
I've had the SGS2 since it launched on the AT&T network. I've never noticed the battery life to be really horrible but over the last three days it's been draining rather quick. I'm still on 2.3.4 with Baseband version KH7 having rolled back from the update with Odin one-click a week after update due to horrible wifi problems.
I check my battery usage this morning and noticed that the Android OS was u sing 22% of battery. Is this a normal percentage or is it high? I haven't downloaded anything new but did shutdown my phone twice this morning seeing if it would maybe fix the battery problem.
Any feedback would be greatly appreciated. Thank you for your time.
AJ
asjdwf said:
I've had the SGS2 since it launched on the AT&T network. I've never noticed the battery life to be really horrible but over the last three days it's been draining rather quick. I'm still on 2.3.4 with Baseband version KH7 having rolled back from the update with Odin one-click a week after update due to horrible wifi problems.
I check my battery usage this morning and noticed that the Android OS was u sing 22% of battery. Is this a normal percentage or is it high? I haven't downloaded anything new but did shutdown my phone twice this morning seeing if it would maybe fix the battery problem.
Any feedback would be greatly appreciated. Thank you for your time.
AJ
Click to expand...
Click to collapse
Please search for the answer. This has been asked 100 times (this is 101) and there are multiple threads on this same topic.
okay I did and nothing really answers my question. I get things that talk about 50% and above but there's nothing about lower than that. Mine used to be at 12% and lower. I don't know what would cause it to just jump up for no reason. No reason to just tell someone to search not knowing if they did or not. Thank you.
AJ
Well you obviously searched and just answered your own question. But you post gives us almost 0 details. Have you downloaded any new apps? Do you use your phone a lot, this would affect how high it will be. All this has been answered multiple times before
asjdwf said:
okay I did and nothing really answers my question. I get things that talk about 50% and above but there's nothing about lower than that. Mine used to be at 12% and lower. I don't know what would cause it to just jump up for no reason. No reason to just tell someone to search not knowing if they did or not. Thank you.
AJ
Click to expand...
Click to collapse
Start here: http://forum.xda-developers.com/showthread.php?t=1308030
First step is to install BBS and CPU Spy to figure out what is draining your battery.
Ignore percentages unless you see noticeable changes in drain. If something else's percentage goes down, AOS will go up even if it's draining the exact same amount per hour.
Sent from my GT-P7510 using Tapatalk
Ok thank you. I just wanted to make sure that something wasn't wrong with my phone. I would hate to have to get a different one because I've grown attatched to this one LOL. I did download the 2.3.6 update when it came out but quickly used the Odin oneclick and went back to 2.3.4. Could this have messed it up somehow?
Thank you again,
Aaron
now when i had my xperia x10 it was a clear difference between
the stock rom and the custom roms. without the custom roms xperia x10 is garbage before and after gingerbread.
now i got this s2 4 days ago. this phone is crazy fast, never like ever really lags for any reason. and my battery will get me thru a full day easy, as of now.
so i would like to know any real significant differences in speed or any real benefits besides customizing the look of the phone by rooting and enhancing?
i know the general reasons to root android, but this phone in particular i would like to know what i can significantly get from this as i dont see how it could get too much faster lol....
please and thank you?
mrljlamon said:
now when i had my xperia x10 it was a clear difference between
the stock rom and the custom roms. without the custom roms xperia x10 is garbage before and after gingerbread.
now i got this s2 4 days ago. this phone is crazy fast, never like ever really lags for any reason. and my battery will get me thru a full day easy, as of now.
so i would like to know any real significant differences in speed or any real benefits besides customizing the look of the phone by rooting and enhancing?
i know the general reasons to root android, but this phone in particular i would like to know what i can significantly get from this as i dont see how it could get too much faster lol....
please and thank you?
Click to expand...
Click to collapse
Features. Custom roms will add features that won't be available in the stock rom. Some of them are themed, and have themes available. Debloating may also offer improved battery life.
If you decide the stock rom is fine, obtaining root access adds to the functionality (gives you more power to mod, as well as certain useful apps that require root access).
You could also get on the deodexed, stock rom. This makes it easier to theme and modify system apks.
Well, on UCKH7 - if you don't want data overages you need to root in order to nuke the AP Mobile widget.
You can improve battery life a bit by debloating other stuff like SNS after that.
The stock UCKH7 ROM is pretty decent, not "garbage" - but there are obvious fixes available.
I may have never rooted my SGSII if I had not received the OTA upgrade to UCKK6 (2.3.6) which caused terrible battery life. So I rooted to return to stock UCKH7 (2.3.4) which improved the battery life.
After reading many threads on this forum, I wanted to tweak the battery a little more so I flashed UnNamed 1.3.2 which removed the AT&T bloat and improved the battery a little more.
tneil said:
I may have never rooted my SGSII if I had not received the OTA upgrade to UCKK6 (2.3.6) which caused terrible battery life. So I rooted to return to stock UCKH7 (2.3.4) which improved the battery life.
After reading many threads on this forum, I wanted to tweak the battery a little more so I flashed UnNamed 1.3.2 which removed the AT&T bloat and improved the battery a little more.
Click to expand...
Click to collapse
yea ive seen the complaints about 2.3.6 but its clear that it isnt everyone. a few others, including myself, have not had bad battery issues with it. just earlier today my phone was on 100% for 2 and a half hours. and then after about 5 hours of use i still had 76% . not the greatest battery but it's fine.
i read somewhere that reverting back to 2.3.4 breaks wifi ? is that true ?
i wanted to go back just to see what battery life was like.
mrljlamon said:
yea ive seen the complaints about 2.3.6 but its clear that it isnt everyone. a few others, including myself, have not had bad battery issues with it. just earlier today my phone was on 100% for 2 and a half hours. and then after about 5 hours of use i still had 76% . not the greatest battery but it's fine.
i read somewhere that reverting back to 2.3.4 breaks wifi ? is that true ?
i wanted to go back just to see what battery life was like.
Click to expand...
Click to collapse
The UCKK6 update has several bugs that UCKH7 does not. You're right, the wifi battery drain bug doesn't get everyone in a big way, but those it does really suffer. It gets others in a small way though. Also, bluetooth hid is completely broken on 2.3.6.
Reverting to UCKH7 without doing a wipe data/factory reset will break wifi, so if you revert, you must wipe. But you should always wipe when switching from one version to another anyway, except the ota update of course does not require a wipe, but they do that incrementally.
Quick question about debloating, i used root explorer and went to data/apps and found all the at&t crap, got rid of it, but after a factory reset, they are back.
i looked into the System/apps folder and they were not there so i don't know where else to look.
thanks
Snakehn said:
Quick question about debloating, i used root explorer and went to data/apps and found all the at&t crap, got rid of it, but after a factory reset, they are back.
i looked into the System/apps folder and they were not there so i don't know where else to look.
thanks
Click to expand...
Click to collapse
You can try using Titanium Backup to freeze or delete the at&t bloat.
---------- Post added at 01:35 AM ---------- Previous post was at 01:04 AM ----------
mrljlamon said:
yea ive seen the complaints about 2.3.6 but its clear that it isnt everyone. a few others, including myself, have not had bad battery issues with it. just earlier today my phone was on 100% for 2 and a half hours. and then after about 5 hours of use i still had 76% . not the greatest battery but it's fine.
i read somewhere that reverting back to 2.3.4 breaks wifi ? is that true ?
i wanted to go back just to see what battery life was like.
Click to expand...
Click to collapse
The problem I had with the UCKK6 bug was that it was intermittent. Some days I had good battery life and then out of nowhere the battery would just start to drain and of course it would happen when charging wasn't available.
If you decide to go back to UCKH7, I would strongly recommend you read the step by step guide by creepyncrawly in the General forum. It will guide you so you don't Increment the Flash Counter.
tneil said:
You can try using Titanium Backup to freeze or delete the at&t bloat.
---------- Post added at 01:35 AM ---------- Previous post was at 01:04 AM ----------
The problem I had with the UCKK6 bug was that it was intermittent. Some days I had good battery life and then out of nowhere the battery would just start to drain and of course it would happen when charging wasn't available.
If you decide to go back to UCKH7, I would strongly recommend you read the step by step guide by creepyncrawly in the General forum. It will guide you so you don't Increment the Flash Counter.
Click to expand...
Click to collapse
yea i saw that guide. gonna go with that if i decide to thanks.
but i mean i had wifi on last night while i was asleep for 5 hours and i only lost 3% so somehow i think i was not really effected by the problems with 2.3.6. from charging my phone to 100 yesterday around 6 using it till i fell asleep around 130. this morning at 930 i still had 63% . hmm
Hello
I updated my Galaxy S2 via Odin(PC) from Stock 4.0.4 to Stock 4.1.2. All went fine, phone works smooth and fast. But there was a massive battery drain. Therefore i wiped data/cache, did a factory reset, everything is new an fresh. Phone still works smooth and fast but battery drain doesn't change. Take a look at the screenshot. Is there something i can check and change?
Thanx in advance.
Greetings
Nicolas
Chill let the rom settle for a while, the battery is usually weird after a flash use it for a few cycles and then it should be alright
stand edgoryn
1Chef said:
Chill let the rom settle for a while, the battery is usually weird after a flash use it for a few cycles and then it should be alright
Click to expand...
Click to collapse
Thanx for your reply. But i cannot confirm that. Never had such a behavior. Flashed a few ICS 4.0.3 and 4.0.4 Roms and either thery're draining or not unless i'm able to change or fix somthing. It never improves on its own. Maybe it's my bad luck only.
Do we really need another "battery drain/problem" thread?
The answers you get here are going to be no different to the other topics that already cover this so please use search in future and get your answers quicker instead of duplicating topics that add to dilution of forum.
TheATHEiST said:
Do we really need another "battery drain/problem" thread?
The answers you get here are going to be no different to the other topics that already cover this so please use search in future and get your answers quicker instead of duplicating topics that add to dilution of forum.
Click to expand...
Click to collapse
Yes, you are right. But i read a lot about battery drain problem in the dev thread and also tried a few, ok not all, things to fix it. Until nothing works for me i wanted to upload my battery stats but wasn't allowed to because i'm a noob. Therefore i opened up a new threat to upload my screenshot and hope someone has the right advice for me or just simply says "bad luck my friend. This Roms seems not to work for you".
And sorry again if i don't behave the right way.
Greeting
Nicolas
nico_las said:
Yes, you are right. But i read a lot about battery drain problem in the dev thread and also tried a few, ok not all, things to fix it. Until nothing works for me i wanted to upload my battery stats but wasn't allowed to because i'm a noob. Therefore i opened up a new threat to upload my screenshot and hope someone has the right advice for me or just simply says "bad luck my friend. This Roms seems not to work for you".
And sorry again if i don't behave the right way.
Greeting
Nicolas
Click to expand...
Click to collapse
I;m not talking about the specific rom thread I'm speaking in general. We have plenty of Q&A/general topics about battery drains etc have a good search and read.
TheATHEiST said:
I;m not talking about the specific rom thread I'm speaking in general. We have plenty of Q&A/general topics about battery drains etc have a good search and read.
Click to expand...
Click to collapse
Yes i will.
But, generally, flashing different Roms causes different issues. Reading solutions based on different ROMs, Custom ROMs, etc. isn't very helpful. There may be general solutions for this damn battery draining problem. But until now nothing fits to me.
In the end i hope to find a solution or i will go back to ics.
Have a nice day
Nicolas
nico_las said:
Yes i will.
But, generally, flashing different Roms causes different issues. Reading solutions based on different ROMs, Custom ROMs, etc. isn't very helpful. There may be general solutions for this damn battery draining problem. But until now nothing fits to me.
In the end i hope to find a solution or i will go back to ics.
Have a nice day
Nicolas
Click to expand...
Click to collapse
Your absolutly right, i read many problems, but with those stats are weird.
1) Just try to re-flash the ROM and after go to recovery and clear everything(dalvik, data etc).
2) Use the option to reboot.
3) Turn off phone -> remove the battery -> Try to turn the phone ON without battery one or 2 times -> wait 2-5minutes more without doing nothing -> Battery back in.
4) Charge up to 100% (when the icon appears).
5) Wait for 1-3 cycles and check if its ok.
6) If you have media draining check my signature link.
Issue solved, probably
I probably solved my battery drain issue while doing what CrisR82 suggested in his post here:
http://forum.xda-developers.com/showpost.php?p=37227296&postcount=10017
" Battery drain is caused by a permanent wake-lock (I had that issue).
For everyone with that problem, here's what I did and got rid of it:
1 - fully drain your battery (0%, to the point where it won't power-on at all)
2 - recharge your battery without turning on the phone
3 - go to recovery mode and wipe both data and cache
NOTE: backup all your contacts, messages, whatever...this will delete everything!
(I formatted my USB storage aswell before step 1, but I think that's not necessary)
No wake-lock for me, 17 hours use, 12% battery down (only checking the clock every once in a while)."
As it seems it worked for me also. Did it yesterday evening and keep in mind i did a factory reset therefore i had to reinstall everything. Battery is behaving normally again.
Maybe this helps the one or the other.
Greetings
Nicolas
Now, right solution
Ok, my mistake!
At first it seems that there is an improvment in battery life like i said in the above post. There is ... but slightly. Not enough, not acceptable at all.
To make it short.
I did a clean install. That's it. Wiped everthing, pumped the battery up to 100% and flashed Samsung Stock jb 4.1.2 again. And it works now.
Thanks all for your advice.
Greetings
Nicolas
nico_las said:
Ok, my mistake!
At first it seems that there is an improvment in battery life like i said in the above post. There is ... but slightly. Not enough, not acceptable at all.
To make it short.
I did a clean install. That's it. Wiped everthing, pumped the battery up to 100% and flashed Samsung Stock jb 4.1.2 again. And it works now.
Thanks all for your advice.
Greetings
Nicolas
Click to expand...
Click to collapse
I can confirm this.. I also did full data wipe on ICS 4.0.4 then flash to 4.1.2 JB and again full data wipe after first boot on 4.1.2 JB..
My first battery cycle went up to 2d 11h 34m 12s.. now im on my second cycle.. so far is 61% 1d 2h 39m 24s..
I hope this will help.. :fingers-crossed:
z89x23 said:
I can confirm this.. I also did full data wipe on ICS 4.0.4 then flash to 4.1.2 JB and again full data wipe after first boot on 4.1.2 JB..
My first battery cycle went up to 2d 11h 34m 12s.. now im on my second cycle.. so far is 61% 1d 2h 39m 24s..
I hope this will help.. :fingers-crossed:
Click to expand...
Click to collapse
Me again.
My battery drained in 21 hours even after reinstalled everything after a full wipe. Couldn't find out what process caused the drain. Used bbs and its stats say android os, screen and Android in sleepmode is using most of the battery.
I'm back on 4.0.4 now. Waiting for next jb version.
Greetings
Nicolas
nico_las said:
Me again.
My battery drained in 21 hours even after reinstalled everything after a full wipe. Couldn't find out what process caused the drain. Used bbs and its stats say android os, screen and Android in sleepmode is using most of the battery.
I'm back on 4.0.4 now. Waiting for next jb version.
Greetings
Nicolas
Click to expand...
Click to collapse
How's your battery on ICS?
changekernal
dude best thing to do is root your phone, flash different kernal , siyah perhaps or dorimanx, im on siyah beta for jellybean, battery life is awsome
gastonw said:
How's your battery on ICS?
Click to expand...
Click to collapse
Thought I should share that I tried the same and face the same issue. Before JB, on completely stock 4.0.4 (no root), I would charge after three full days (72 hrs). Moderate/normal use - no heavy gaming. Under JB it drained in less than 24 hrs with very moderate use - mostly idle. Back on ICS i now get the same battery time as before.
I should add that my phone came new with ICS 4.0.4 installed. Two friends of mine have upgraded theirs all the way from GB -> ICS -> JB and they exeperience significant battery improvement. Being a noob, I don't understand whether this makes any difference. Simply coincidence?
All the best.
sten_amund said:
Thought I should share that I tried the same and face the same issue. Before JB, on completely stock 4.0.4 (no root), I would charge after three full days (72 hrs). Moderate/normal use - no heavy gaming. Under JB it drained in less than 24 hrs with very moderate use - mostly idle. Back on ICS i now get the same battery time as before.
I should add that my phone came new with ICS 4.0.4 installed. Two friends of mine have upgraded theirs all the way from GB -> ICS -> JB and they exeperience significant battery improvement. Being a noob, I don't understand whether this makes any difference. Simply coincidence?
All the best.
Click to expand...
Click to collapse
New ROMs are always smoother than previous ones, once you flash em you get in cant-put-it-down mode. You need at least 1 week to judge battery life on any ROM. A couple of days to set it up and a few days to see how it behaves.
Once you get things going you never go back, that's a fact.
Be careful on 4.0.4.
Sent from the little guy
Hello,
I'm running 2.3.6 now and I wonder if I switch to 2.3.4 will I have less battery drain? Are there any functional lacks on 2.3.4 comparing to 2.3.6? However, I use GO Launcher on rooted phone.
blackfire74 said:
<snip>
Click to expand...
Click to collapse
Well next time please do post questiona in the general sub forum Anyway I think it is better to just update to 4.1.2 since you are rooted anyway. I get better battery life and signal on 4.1.2 compared to 2.3. My choice of a rooted stocked based rom would be NeatROM Lite by Sale :good:
I agree. Generally, upgrading rather than downgrading will increase performance so I would just go wit a higher version. Also, if you feel you have an unnatural battery drain, there are other options except switching versions to handle that. Maybe it is one of your apps that causes the battery drain. Other possibilites are sync cycles or kernel. If you switch to another kernel that might help your problems better than switching ROMs (although switching ROMs is always recommended, just for the fun of it )
gulypi which
I don't know if I am doing something wrong, but I just flashed NeatRom 5.0 and the battery life is terrible.
From my point of view, 2.3.4 stock with speedmod kernel was the best with my s2. I had battery life for 2 days. With latest roms I have battery life for max. 24h. I always did a clean install with factory reset. Don´t know why the battery life is so bad with my phone.
But now I ll give it another try. I will format the whole phone and try sentinel rom again which i liked most
NeatRom 5.0 killed my battery also. Trying 4.9 for now as I jumped from 4.6. If it's buggy I will switch back to 4.6
Sent from my GT-I9100 using XDA Premium 4 mobile app
Media scanner fix for battery problem on neat ROM should fix this. Also Apollo kernel is great mix with any stick Sammy ROM.
I don't know why flash modded kernels (at least if you are about to have better battery life, not other mods)? I have plain stock GB 2.3.6 XWKL1 (DDKL1) and just use Go Power Master, Set Cpu and calibrated battery.
At first when I went back from ICS to GB battery lasted for 14hrs. I charged battery fully on and battery "learned" new system and went up to 23hrs. Then I calibrated battery: fully discharge till phone went off, again started, playing till off again and again till it won't on. Then without turning it on I charged battery fully, unplugged charger, waited till battery went to 99% and plug in charger again till 100%, and again. I was using WiFi over half time of usage, flight mode at nights, play wit phone settings, installing apps, browse internet a little, use as phone as usual, listen a music a little, browse photos, etc, and battery lasted for 39hrs on stock battery which previous owner using for last two years and he didn't care about healthy battery usage. I got Samsung Extension Pack with 2000mAh Battery and flat back panel but it waits for new S2 I bought yesterday. I will put new battery after ROM flash and get all restored to state I have now, then I calibrate that bigger battery for new phone.
But anyway, question was if someone was playing with 2.3.4 and 2.3.6 stock ROM's in order to achieve better battery performance? I read somewhere that guy had over 4 days on stock battery and 2.3.4 GB. So I wonder if I switch to 2.3.4, which may be probably less demanding system than 2.3.6, will I get more time on one charging? I don't care about how it may or not look like cause I use GO Launcher anyways, but does it have same stuff and functionality as 2.3.6?
The problem with comparing your phones battery life is that it's depending on too many variables. You can't just say 'My phone lasted 30 hours with this and that usage', because everybody is using it differently. If you really want to test it, flash both versions yourself and try.
andrewwright said:
Media scanner fix for battery problem on neat ROM should fix this. Also Apollo kernel is great mix with any stick Sammy ROM.
Click to expand...
Click to collapse
Can't find "media scanner fix" in the market. Any chance of a link.
Sent from my GT-I9100 using XDA Premium 4 mobile app
In addition to Donnie's very good point, you're asking about 2yr+ old firmware. Do you realise how few people on a site like this are actually running firmware that old ? You'd probably find a fair number of 'ordinary phone users' out there who are still running GB because they may not be technologically au fait enough to do an OTA update.
At the end of the day, changing firmware to squeeze every last drop of battery life becomes a game of diminishing returns in that you can spend a lot of time to get that last tenth of a % of use out of every charge. You have to ask yourself is it really worth it, or is it worth simply enjoying your phone & chucking it on charge every night (or if you really chew through battery, getting a spare).
MistahBungle said:
In addition to Donnie's very good point, you're asking about 2yr+ old firmware. Do you realise how few people on a site like this are actually running firmware that old ? You'd probably find a fair number of 'ordinary phone users' out there who are still running GB because they may not be technologically au fait enough to do an OTA update.
Click to expand...
Click to collapse
Well, the thing is I don't understand why people update their phones and then complain about battery life if 2.3.6 works fine from what I observe here and there.?
As per Donnie's post, there's too many variables involved to say 'This Android version will definitely give you better battery life than that version'. Personally, I get better battery life out of JB roms than I ever did out of GB or ICS roms, not that I got poor battery life out of either of those though. And the reason for that is I worked at it.
There's no magic simple A-B-C to better battery life, regardless of what rom/kernel/Android version you're running, you have to experiment & try stuff out to find out what works with the way you use the phone/have it setup.
People who complain about battery life & attempt to pin it on the particular Android version they're running tend to have a really poor understanding of 'how it all works', because it isn't that simple as I've said.
blackfire74 said:
Well, the thing is I don't understand why people update their phones and then complain about battery life if 2.3.6 works fine from what I observe here and there.?
Click to expand...
Click to collapse
People can also update their phones because of other reasons than battery life. ICS was the best for me with battery usage, but after JB downgrading isn't an option for me as I would miss to many new features and other additional functions.
The choice is yours to make. If you are satisfied now, I would stick to 2.3.6 if I where you. If you are curious about other versions -newer or older- try those