For Cognition S2 v1.07 question ? - Galaxy S II Q&A, Help & Troubleshooting

helo! anybody know why display use my battery on 40~ 60%??
i have to reflash again & again but is the same ,,i see other people is the android os is use more than display is my problem???

Its normal..
But try and lower the brightness a little bit
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but i already set it the low ......boz it make my phone's battery use so quick ! thxq

Because your using your phone. Display is display..........
/thread
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The screen uses the most energy. Pretty logical for it to be on the top. If you're not using your phone for a day, of course the android os process will be at the top.
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Related

Any customer rom can solve battery problem caused by OS?

Any customer rom can solve battery problem caused by OS? The problem can been seen from the pictures attached(the brightness is at lowest level and Os use cpu for 1h14m), it seems that still do not have a clear solution for this problem. So could I through flashing a customer rom to solve the os problem?
BTW, I am using ke7 now.
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try updaring to the newest firmware or set your display brightness low.
mine is at 27% but the battery holds long for me (6h music, web browsing, facebook 24/7, and 10 mimutes playing asphalt 5 HD) if thats your problem...
btw... i'm on lite'ning rom
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yeah, I am using lastest rom, but it can not solve the Os problem....dont u face Os problem?
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littlepig877 said:
Any customer rom can solve battery problem caused by OS? The problem can been seen from the pictures attached, it seems that still do not have a clear solution for this problem. So could I through flashing a customer rom to solve the os problem?
BTW, I am using ke7 now.
Sent from my GT-I9100 using XDA Premium App
Click to expand...
Click to collapse
The "Android System" usage can be reduced by using Titanium Backup and Freezing stock Samsung apps that you don't use / need (ie. Social Hub, una service for Samsung apps, etc).
The Android OS usage issue I don't think there's much we can do about until either Samsung release a 2.3.4 android rom or someone manages to get AOSP CM7 ROM released because apparently it's a known Android bug for dual core phones....
many thx
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your usage actually looks pretty normal to me. 13 hours unplugged with 4 hours screen-on time, 22% battery left. not bad at all. i didnt notice what the android OS CPU time was though to make any assessment of that.
I adding some detail u mentioned in the original post, does that help?
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Ok well your CPU usage is low which is good and means you font have the issue that some others have. I wouldn't worry too much.
thanks
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[Q] Why is it our sgs2 doesn't have the true CRT screen off effect?

Title says it all really. I know we can have the screen of effect working but it flashes pure white rather than flinging the colours on the screen at the time. I would just like clarification as to why, i'm not moaning, just asking.
Thanks in advance.
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Bump.........
Good question...
Because Samsung has decided not to use this effect.
The effect is written in c and is located in the surfaceflinger libraries. It uses gl and is hardware depended.
So why should Samsung implement a fix for an effect they don't even use.
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[Q] StockLite V6 after install

Hi.
I just installed StockLite V6 on my galaxy ace. Do i have to do anything else to improve battery or the OS will do it for me?
Stock lites batt is quite good.. But if you want more you can use juice defender or somthing like that..
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Another question... can i make themes on uot kitchen and use them without problems??
LibiSC said:
Another question... can i make themes on uot kitchen and use them without problems??
Click to expand...
Click to collapse
Yes ! You can do it.
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you were right but for some reason the battery icon didn't change to the skull... cool enough. thanks
LibiSC said:
you were right but for some reason the battery icon didn't change to the skull... cool enough. thanks
Click to expand...
Click to collapse
Mount /system before flashing the zip
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worked. thanks man
If you want more battery,
Disable all animations, keep brightness at its minimum level, disable auto-sync, disable haptic feedback, disable 'touch sounds' etc.
I am making StockLite v7 now. It'll have even more battery and it'll be faster than v6.
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tj_droid said:
If you want more battery,
Disable all animations, keep brightness at its minimum level, disable auto-sync, disable haptic feedback, disable 'touch sounds' etc.
I am making StockLite v7 now. It'll have even more battery and it'll be faster than v6.
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Click to expand...
Click to collapse
I hope that my battery wont get hot
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Farooq95 said:
I hope that my battery wont get hot
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Click to expand...
Click to collapse
Get your battery fixed. No one else is encountering this problem.
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tj_droid said:
Get your battery fixed. No one else is encountering this problem.
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Click to expand...
Click to collapse
I have 3 batteries for ace but i encounter the same problem!
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Farooq95 said:
I have 3 batteries for ace but i encounter the same problem!
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Click to expand...
Click to collapse
No one else is encountering this problem dude, stop spamming. Send your ace to a service centre and get it fixed.
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tj_droid said:
No one else is encountering this problem dude, stop spamming. Send your ace to a service centre and get it fixed.
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Click to expand...
Click to collapse
I have even changed the PBA recently .....and thing thing happens only on 3g........on other networks its normal.....
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I have it sometimes and at that time my battery goes down insanely quick. Has nothing to do with a particular rom i think, but thats how it is..
acceleratus said:
I have it sometimes and at that time my battery goes down insanely quick. Has nothing to do with a particular rom i think, but thats how it is..
Click to expand...
Click to collapse
Im not talking about battery life i talking about the phone getting hot....
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tj_droid said:
If you want more battery,
Disable all animations, keep brightness at its minimum level, disable auto-sync, disable haptic feedback, disable 'touch sounds' etc.
I am making StockLite v7 now. It'll have even more battery and it'll be faster than v6.
Sent from my GT-S5830 using Tapatalk
Click to expand...
Click to collapse
I've already done that except for the auto-sync xD. I calibrated the battert yesterday and i'm waiting for it to discharge. My stock rom at the beginning consumed more battery and then a little lower so i supposed must be something similar with custom roms.
And it's not hot.
LibiSC said:
I've already done that except for the auto-sync xD. I calibrated the battert yesterday and i'm waiting for it to discharge. My stock rom at the beginning consumed more battery and then a little lower so i supposed must be something similar with custom roms.
And it's not hot.
Click to expand...
Click to collapse
I disabled 3G, haptic and sound, the brightness is on automatic.
Other than that I didn't touch anything and the battery is very good, the ROM runs very smoothly.
Don't have any problem with that 'hot bug' either.
StockLite is awesome
And apparently tj will post a ICS theme in the near future so that's pretty cool.
I am making StockLite v7 now. It'll have even more battery and it'll be faster than v6.
Click to expand...
Click to collapse
Just WOW Keep up the good work, man.
EDIT : I just have a question. Since I've installed StockLite there's a steering wheel icon appearing in the status bar.
Apparently that's the car dock icon,but it appears randomly. So my question is, how do I get rid of that ? Since I can't send email or sms when it's on, it's kinda annoying.
battery
my battery also get hot very hot when using 3g and sometimes when i wake up in morning its super hot. without using it.
NostromoBishop said:
I disabled 3G, haptic and sound, the brightness is on automatic.
Other than that I didn't touch anything and the battery is very good, the ROM runs very smoothly.
Don't have any problem with that 'hot bug' either.
StockLite is awesome
And apparently tj will post a ICS theme in the near future so that's pretty cool.
Just WOW Keep up the good work, man.
EDIT : I just have a question. Since I've installed StockLite there's a steering wheel icon appearing in the status bar.
Apparently that's the car dock icon,but it appears randomly. So my question is, how do I get rid of that ? Since I can't send email or sms when it's on, it's kinda annoying.
Click to expand...
Click to collapse
Report bugs on the ROM's thread, please. Its very difficult for me to collect bug information from everywhere.
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tj_droid said:
Report bugs on the ROM's thread, please. Its very difficult for me to collect bug information from everywhere.
Click to expand...
Click to collapse
Can't post in the dev section for now, and don't want to post randomly just to have 10 posts...

S2 always running in background

Hi all, do you know why my S2 always running in background ? Its show 38C or above , -20%/hr, -300mA/hr , and I feel it so hot !! Even switch to flight mode , still happening .
Checked no abnormal app running .
Screen 28%
Google service 27%
LINE 15%
OS 11%
Lightning rom 4.0.3
Anyone have suggestion?
I don't understand
Peace
Hit Thanks & It will Disappear
Sent from S II Running Fully Modified Official ICS 4.0.4
Next Device: Upcoming Nexus
Boot into recovery and wipe cache and dalvik cache and fix permissions. If that doesn't help, download BetterBatteryStats and see if apps are causing kernel wakelocks (not letting your phone go into deep sleep) meaning keeping it awake and using CPU.
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Here is my history . You can see it dropped so fast, but no special app is running ....
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keung18 said:
Here is my history . You can see it dropped so fast, but no special app is running ....
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Click to expand...
Click to collapse
Without any other information this history information is absolutely useless. If there is any problem at all you can solve it by doing what themadba suggested in post #3.
keung18 said:
Hi all, do you know why my S2 always running in background ? Its show 38C or above , -20%/hr, -300mA/hr , and I feel it so hot !! Even switch to flight mode , still happening .
Checked no abnormal app running .
Screen 28%
Google service 27%
LINE 15%
OS 11%
Lightning rom 4.0.3
Anyone have suggestion?
Click to expand...
Click to collapse
The battery history you posted is plain useless.
However, if you have autosync enabled, then disable it
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S3 (i9300) and Kernels

Hello, I do hope this hasn't been answered elsewhere and if it has, please point me in the right direction, that would be much appreciated, I have a samsung galaxy s3 i9300, I have ran various different roms, cm10, pacman, and now ultima rom 12.1 with Persues and Siyah kernel, anyway the issue is. I have tried with both these kernels that I would change the default profile with an app to change the settings. The settings have been changed and set on boot. But the battery change wouldn't change, or it would but after a reboot it would drain just as fast as if settings weren't applied. Or it comes and goes. Any help would be greatly appreciated. (I once got 2 days with Siyah) but never again. I don't sync.. Or have high brightness.
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What "battery change"?
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Sorry I meant the battery usage*
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you only got 2 days of battery with siyah kernel!?
-------------------------------------
please let me know if i'm wrong and CLICK thanks if i help
SRIRAM
sent from my GT-I9300 running CM10.1 RC5.2 by Temasek
Yep, it doesn't work like it should and I don't know how to fix it :/
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Anyone for an actual response to my enquiry, with what the issue might be? Or any help to the right direction.
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LiL_Assassin said:
Anyone for an actual response to my enquiry, with what the issue might be? Or any help to the right direction.
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Click to expand...
Click to collapse
did you try to use BetterBatteryStats to identify where the battery consumption is coming from?
Yes I did. But it's nothing changed. When applying the settings. Even BBS doesn't change or show adormal things
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We dont really know if what you're getting is abnormal. We'd need screenshots.
Here are the recommended screenshots:
When Battery is nearly empty....
Android Battery Stats Page
Android Battery Stats GRAPH page
Android Battery Stats Screen-on Page
BetterBatteryStats Kernel Wakelock page
BetterBatteryStats Partial Wakelock page
(Set BBS to report from "Charged")
It is abnormal when battery drainage changes when I'm not doing or after a reboot. And battery is high or normal as if no settings are applied. However I'll get the following screenshots and report back tomorrow
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LiL_Assassin said:
However I'll get the following screenshots and report back tomorrow
Click to expand...
Click to collapse
Thanks,

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