Galaxy S 2 battery - Galaxy S II Q&A, Help & Troubleshooting

Hi guys,
I got the ICS update from Samsung a month back in India. I am not too happy with it. It is not as smooth and it takes up a lout of ram. Of late I have been getting very little battery backup. It gives me only 3/4 of a day with light use. What could be the reason? Are there apps that I need to delete or remove our make some changes? Please help.
Sent from my GT-I9100 using xda app-developers app

So I guess you are using a stock ROM. Can you tell me which version?
One of the problems (or not) is that when you update via Kies all the user data/apps remain the same. That's why I would prefer doing a wipe before upgrading so that my device will not be clogged with lots of processes.
How much screen time do you get? If you can, post a screenshot of the battery consumption.

What's your modem/baseband?

Yes you are right. I am on stock rom. Haven't had the guys to root and instal custom rom on such an expensive phone. As you say I didn't do a wipe out before I upgraded on Kies. I am on 4.0.3 and base band I9100DDLPA.
Sent from my GT-I9100 using xda app-developers app

I am having the same concern now, not like the stockics very much, it is slower( scroll list in system settings..), hot after a while. Maybe we can consider to choose cm9 or other custom roms.
Sent from my mfld_pr3 using XDA

Related

Ics official update in India

Did any indian user get official ics update for gt-i9100g if so how to get the update.
Pls help me out..
Sent from my GT-I9100G using XDA
Not yet available but recent purchasers have ics out of the box!! May be within 2 weeks you will get the update
Sent from my LT26i using xda premium
Its already out buddy... Check sammobile.com
Its not showing in OTA, so should i check in kies?
Will the update delete everything?
Sent from my GT-I9100G using XDA
kks_007 said:
Its not showing in OTA, so should i check in kies?
Will the update delete everything?
Sent from my GT-I9100G using XDA
Click to expand...
Click to collapse
For your model i.e GT-I9100G the update is not yet available but may be around two three days you may get it.I own a xperia s not SGS2 but my friend has it.
I help him in updating via kies which is recommended as it backups all your data
You will get the notification for update
Sent from my LT26i using xda premium
lal pradeep said:
For your model i.e GT-I9100G the update is not yet available but may be around two three days you may get it.I own a xperia s not SGS2 but my friend has it.
I help him in updating via kies which is recommended as it backups all your data
You will get the notification for update
Sent from my LT26i using xda premium
Click to expand...
Click to collapse
ICS is availble for I9100G, for several regions now, and has been for about a week or two. It's uploaded on various sites (Samfirmware.com is one) if you want to download it and install via Odin.
I got the update
Got it on my phone. OTA does not show any update though. IT was quite a hassle though what with Kies failing to download the update over over and over gain. It really took a long time (17 retries) for success. Worst of all it was downloading at pathetic speed.
Here's a short observation.
1. Data remained intact. This includes apps game saves etc.
2. Battery life is a little lower but it might be better after recalibrating.
3. The colour banding has been greatly reduced. Its still there, but you really have to look hard.
4. Overall coming from Gingerbread 2.3.6 it IS a lot more stable.
I'm testing other features now
At last i updated using kies but when i ran antutu benchmark its seems that the 3d graphics came down from 768 from 1120 in android 2.3.6, i dont know whether this is for everyone. Rest everything seems to stable and smooth. Pls update any new bugs or anything.
Sent from my GT-I9100G using XDA
Did anyone run the antutu benchmark in unrooted? If done can u pls send the score.
Sent from my GT-I9100G using XDA

Battery draining faster with ICS update

I just upgraded my SGS2 to ICS, since that the battery of my phone draining hell lot quicker than earlier. Earlier it use to go down by 1-2 % in the night (when m sleeping) but after update it go down by 11-12%
actually the battery performance should be better, right?
Sent from my GT-I9100 using Tapatalk
Hi,
I have same feeling. After a week on Slim Ics I can say that with GB my battery life was better. By 10pm everyday I was having left about 40-45% with GB , but with ICS the best I can get is :confuse 30% , mostly about 25% left and I'm having same kind of usage. It's true that with ICS it seems smoother and more responsive .
momyc said:
.... It's true that with ICS it seems smoother and more responsive .
Click to expand...
Click to collapse
A fair price to pay.
There are a lot of threads on thus subject if you have a search of the forums.
I had the same issue on upgrading from GB but after following advice and doing some investigation and troubleshooting of rogue apps I now have much better battery life on ics than I ever got on GB.
Read the forums and follow the advice, track down the culprits and you too will reap the benefits
gottagetalife said:
There are a lot of threads on thus subject if you have a search of the forums.
I had the same issue on upgrading from GB but after following advice and doing some investigation and troubleshooting of rogue apps I now have much better battery life on ics than I ever got on GB.
Read the forums and follow the advice, track down the culprits and you too will reap the benefits
Click to expand...
Click to collapse
Throw us a friggin bone here...
gottagetalife said:
There are a lot of threads on thus subject if you have a search of the forums.
I had the same issue on upgrading from GB but after following advice and doing some investigation and troubleshooting of rogue apps I now have much better battery life on ics than I ever got on GB.
Read the forums and follow the advice, track down the culprits and you too will reap the benefits
Click to expand...
Click to collapse
Can u plz post a link here of that thread?
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shantanuparadkar said:
Can u plz post a link here of that thread?
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
There are LOTS of threads on the subject. Use the search box at the top of the page to look for "battery ics sgs2" or similar and you will turn up pages of information.
The sad thing is the best piece of advice I found was that no two people will have exactly the same solution. You need to identify what is eating your battery using a tool like "Better Battery Stats" or "Go Power Manager". You then need to decide how important the culprits are and remove them or look for updates.
Titanium Backup is useful as it allows you to freeze apps so you can see if they make a difference. It helps if you are rooted as I found several stock apps at the core of my issues. You can't freeze them unless you are rooted.
Siyah Kernel is also very useful, it seems to manage power better than stock. I also found that a factory reset, clearing user data and clearing all of my caches (including Dalvik) helped enormously. It is time consuming to re-install all of your apps from scratch but it does seem to make a huge difference. It looks like some apps retain data from GB that caused issues in ICS.
I found that exchange services were using a huge amount of juice before I cleared all data and caches. That seems to stop completely after the big clear out!
The main thing is no two people seem to have exactly the same problem. It is important therefore that you take a problem solving approach, change one thing at a time and wait long enough to see if it works.
There's your bone, go chew!
gottagetalife said:
There are LOTS of threads on the subject. Use the search box at the top of the page to look for "battery ics sgs2" or similar and you will turn up pages of information.
...
Click to expand...
Click to collapse
Same old, same old.... These are the same tricks that work with EVERY ROM upgrade.... If u get a better battery life outta ICS than u did with GB, u really screwed up installing GB...
shantanuparadkar said:
I just upgraded my SGS2 to ICS, since that the battery of my phone draining hell lot quicker than earlier. Earlier it use to go down by 1-2 % in the night (when m sleeping) but after update it go down by 11-12%
actually the battery performance should be better, right?
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
i usually get 2 days of battery life on ics 4.0.3....
First of all, you need to be clear whether you upgraded from stock GB to Stock ICS, or a Custom GB ROM to a Custom ICS ROM, since the Custom ROMs do offer better battery life over the stock version.
People here are giving great advice regarding the use of Titanium to freeze any apps that you are not using, e.g. Google+, Samsung bloatware, etc... - this will save the average RAM, hence the battery life. Also, do use Task Manager often (especially before going to sleep) to kill all the background apps.
I installed many Custom ROMs and now running Resurrection v2.1 and very happy with battery life. You must be realistic with expectations - read this http://blog.gsmarena.com/our-samsun...e-test-is-complete-check-out-how-it-did-test/
Overall, if you will do a clean install (format everything - internal/external/MMC and clear cache/Dalvik/battery stats) of Resurrection ICS v2.1 or Litening v3.2, then you should see even an increase in battery life!
Hope it helps and happy flashing ;]]
gottagetalife said:
There are LOTS of threads on the subject. Use the search box at the top of the page to look for "battery ics sgs2" or similar and you will turn up pages of information.
The sad thing is the best piece of advice I found was that no two people will have exactly the same solution. You need to identify what is eating your battery using a tool like "Better Battery Stats" or "Go Power Manager". You then need to decide how important the culprits are and remove them or look for updates.
Titanium Backup is useful as it allows you to freeze apps so you can see if they make a difference. It helps if you are rooted as I found several stock apps at the core of my issues. You can't freeze them unless you are rooted.
Siyah Kernel is also very useful, it seems to manage power better than stock. I also found that a factory reset, clearing user data and clearing all of my caches (including Dalvik) helped enormously. It is time consuming to re-install all of your apps from scratch but it does seem to make a huge difference. It looks like some apps retain data from GB that caused issues in ICS.
I found that exchange services were using a huge amount of juice before I cleared all data and caches. That seems to stop completely after the big clear out!
The main thing is no two people seem to have exactly the same problem. It is important therefore that you take a problem solving approach, change one thing at a time and wait long enough to see if it works.
There's your bone, go chew!
Click to expand...
Click to collapse
I have better battery stats but I don't know how to use it, and my phone is not rooted, so some of the things I won't b able to do. Now tell me what's should I do? Which software is useful for unrooted phone
Sent from my GT-I9100 using Tapatalk
shantanuparadkar said:
I have better battery stats but I don't know how to use it, and my phone is not rooted, so some of the things I won't b able to do. Now tell me what's should I do? Which software is useful for unrooted phone
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
Why don't you root your device?
Sent from my GT-P7510 using xda premium
Originally Posted by shantanuparadkar
I have better battery stats but I don't know how to use it, and my phone is not rooted, so some of the things I won't b able to do. Now tell me what's should I do? Which software is useful for unrooted phone
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
Why don't you root your device?
Sent from my GT-P7510 using xda premium
Click to expand...
Click to collapse
I don't want to, Coz it will void my guarantee. May b I'll do it after July after the guarantee period finishes
But till then suggest me something
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shantanuparadkar said:
I don't want to, Coz it will void my guarantee. May b I'll do it after July after the guarantee period finishes
But till then suggest me something
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
All you would have to do is flash a stock firmware through odin and it's factory reset.
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kilometers4 said:
All you would have to do is flash a stock firmware through odin and it's factory reset.
Sent from my GT-P7510 using xda premium
Click to expand...
Click to collapse
Sorry my knowledge about these things are zero. I am not getting what u want to say
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shantanuparadkar said:
Sorry my knowledge about these things are zero. I am not getting what u want to say
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
All you would have to do to put your phone back to factory settings is to download a stock firmware from www.sammobile.com and flash it through odin. I believe the site has flash steps. There's many guides on how to use odin on Google.
Hope it helps
Sent from my GT-P7510 using xda premium
But will it make my guarantee void?
Sent from my GT-I9100 using Tapatalk
shantanuparadkar said:
But will it make my guarantee void?
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
Your warranty would still be good
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kilometers4 said:
Your warranty would still be good
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Click to expand...
Click to collapse
Ok thanks. I'll do that
Sent from my GT-I9100 using Tapatalk
Had a prob with phone, service centre done the hard formatting and reinstalling of the software, now the battery performance is way to better
Sent from my GT-I9100 using xda app-developers app

Will TurkbeyRom work with AT&T version of GS3?

I really like what I see from this rom: rootgalaxys3iii.com/turkbeyrom-v3/
But everywhere I've read about it, it references the international version of the phone.. this will be my first root and Rom flash so I am really nervous about bricking my phone if it isnt meant for att version.
Thanks for helping
If it is made for the international version then do not flash it on the us version. Since you are new I would suggest you flash roms that are for your carrier, ie the ones listed in whatever carrier development forum you use for your service. Be advised though to please do plenty of research on whatever questions you may have in the future as it will save you major headaches
Sent from my SAMSUNG-SGH-I747 using xda premium
Unfortunately no it wont work. I9300 roms cannot be flashed due to different internals. You'll be lucky to get a boot screen if you flash but could probably still recover. Definitely wont work though until someone ports it over for your model.
Sent from my SGH-I747M using xda app-developers app
Thanks for the heads up guys, Def will stay away! I'm just liking to maximize my battery life anyway since I'm having a terrible time making it through a day even with power saving steps taken.performance boost is good too haha but battery far more important
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I wish it was out for us. Turkbey rocked on the GS2
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most terrible stock upgrade 4.1.1

Yesterday , Samsung auto push this 4.1.1 firmware upgrade to my phone, after completing this upgrade, restarted.
The most slower S3 firmware ever been use.
The most terrible rom......
This really discouraging me to move away from this phone.
Compare with day 1 owning this S3 back in May 2012, I really want to go back to the oldest version of rom.
James
Sent from my GT-I9300 using xda app-developers app
keijames said:
Yesterday , Samsung auto push this 4.1.1 firmware upgrade to my phone, after completing this upgrade, restarted.
The most slower S3 firmware ever been use.
The most terrible rom......
This really discouraging me to move away from this phone.
Compare with day 1 owning this S3 back in May 2012, I really want to go back to the oldest version of rom.
James
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
Then go back for xxx sake and stop being a cry baby!!!!
Download the ROM you like, start Odin and flash it!
(Backup your data before!!)
You are a Senior Member with 368 Posts. Don't tell me this is news to you.
I use that also and no problem here!
Sent from my GT-N7100 using xda premium
hhhhhhhhhhhhhhhhh u got ur self in wrong place baby
Sent from my GT-I9300 using xda app-developers app
Yesterday i flashed back to ale8 because i screwed something up by accident and then went through every OTA and tried them for interface speed and honestly, the difference between 4.0.4 and 4.1.1 are neglidgeable so you must have had a bad flash or something. Try redoing it or wiping and starting from scratch.
Sent from my GT-I9300 using xda premium
keijames said:
Yesterday , Samsung auto push this 4.1.1 firmware upgrade to my phone, after completing this upgrade, restarted.
The most slower S3 firmware ever been use.
The most terrible rom......
This really discouraging me to move away from this phone.
Compare with day 1 owning this S3 back in May 2012, I really want to go back to the oldest version of rom.
James
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
I have the same fw and its like butter, smooth and fast.
You should reflash your phone with odin.
Enviado desde mi GT-I9300 usando Tapatalk 2
harise100 said:
Then go back for xxx sake and stop being a cry baby!!!!
Download the ROM you like, start Odin and flash it!
(Backup your data before!!)
You are a Senior Member with 368 Posts. Don't tell me this is news to you.
Click to expand...
Click to collapse
Thread closed since the OP already got his answer.

Galaxy s2 GT i9100 jelly bean screen battery drain

I got my phone Samsung Galaxy s2 GT i9100 updated to jelly bean 4.1.2 through Kies when it popped me for it. But now my battery is draining like hell. I glanced on my battery stats and its just my screen that is eating up the larger chunk. When my phone is kept idle its battery drain is just 1% in an hour (I kept it idle overnight to monitor it). But the moment am on my phone like am doing right now (posting or browsing or on facebook) I can literally see my battery draining 1% every one or two minutes.
I am using just the same settings for display which I had been using for a couple of years on my gingerbread 2.3.5 but never faced such a juice drain there.
I am not rooted and thus not done the battery callibration stuff as I really dont see how deleting batterystats.bin would prevent my screen from eating up my battery. Yet am doing the other type of calibration (physical) just to satisfy myself.
The tragedy above all is that I had bought my phone from UAE but now shifted & residing in India. So samsung has totally disowned me here in India. I really need help guys. Please help me out.
Note: started posting this with 65% battery but now left with just 55% of it. Just imagine my condition with this drain.
Clear Dalvik cache, clear everything (format memory) and start from startup wizard.. it will help.. For doing that do complete backup.. to restart everything go to recovery menu..
Sent from my GT-I9100 using xda app-developers app
It can be seen that your modem is really not working good with your network i would like to recommend that you flash LP8 modem which will be way to much better for good reception and better battery life
Here is the link -http://www.veyka.co.uk/sgs2/radios/I9100_radio_DDLP8_CWM.zip
redzion said:
Clear Dalvik cache, clear everything (format memory) and start from startup wizard.. it will help.. For doing that do complete backup.. to restart everything go to recovery menu..
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
Thank you for the reply. But can you guide me with that "clear Dalvik cache" you mentioned.
How much screentime do you get on a full cycle? Don't know what your brightness settings are, but if the screen is very bright, then it's normal it eats battery.
Also JB seems -at least for me, other people think the opposite way- to be less battery friendly than GB or ICS.
Edit: this should be in the Q&A-section, not in the General one. Please report your thread (orange triangle on the right top of your post) to ask if a moderator could move it to the right section.
I have kept it in auto brightness
Sent from my GT-I9100 using xda app-developers app
Before this kies update...I did an odin flashing of two kernels XXLSJ & XWLSD from sammobile. All are having the same issue.
What am not able to understand is why the hell is my screen eating so much of battery when it did not do so on gingerbread.
Sent from my GT-I9100 using xda app-developers app
I downloaded the LP8 modem provided by you. Can you help me with the procedure of flashing it? Its just a 4MB file, isnt it?
Sent from my GT-I9100
Anybody with any other solution for this is more than welcome to share. Please!
Sent from my GT-I9100
arun_response said:
Anybody with any other solution for this is more than welcome to share. Please!
Sent from my GT-I9100
Click to expand...
Click to collapse
How about installing BetterBatteryStats (BBS) app?!
Then record an idle dump of about 4 hours and post it as attachment to BBS thread.
There are some "experts" willing to analyze your stats and giving you advises what to optimize.
Good luck !
Ok I have the app. 4 hr idle dump means? And should I set it on current, unplugged or other? Please guide me so that I can get you the correct screen shot!
Sent from my GT-I9100
Just do a factory reset from the recovery. Also, some jellybean roms are known to have poorer battery life compared to their ics counterparts. So perhaps you could consider flashing a jb rom that has better battery life.
Dude...the rom I am presently on is not at all known for poor battery life (check the screen shots of my firmware) yet my case is making an exception.
Could you please let me know a proper firmware for my phone ( purchased from dubai but now residing in India)
Sent from my GT-I9100
Many people are reporting good battery and screen time with latest neat rom lite. I was scared to root and flash but now glad I did! Previous jb attempt (official leak) was pathetic lol
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LSD
Sent from the little guy
What was all that?
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what was what?
Sent from the little guy
Your reply bro...am sorry but I didn't get you!
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weren't you guys talking abou battery life?
That's an stock LSD screen time screenshot.
Sent from the little guy
I got that budyy. Bt I was luking for a solution for my thng...:~P
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