Develop Bugs

2nd core (tegrak)

can i install this kernel ( Lulz Kernel Build 15,Siyah Kernel v2.2 (i9100)) to samsung galaxy s2 t989 to work 2nd core apk on t989 pleas can any body of dev. to confirm this because a like to use 1 core for battery live

gazmendf said:
can i install this kernel ( Lulz Kernel Build 15,Siyah Kernel v2.2 (i9100)) to samsung galaxy s2 t989 to work 2nd core apk on t989 pleas can any body of dev. to confirm this because a like to use 1 core for battery live
Click to expand...
Click to collapse
Don't flash this! This kernel is NOT for the SGH-T989!
Flash a kernel from the development section of the SGH-T989 only.
Sent from my Samsung SGH-T989D using xda premium

Lolwat
Sent from my SAMSUNG-SGH-I727 using xda premium

can any body make this apk to work on t989 pls a really don't care for speed

gazmendf said:
can any body make this apk to work on t989 pls a really don't care for speed
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Click to collapse
What apk are you talking about?
Sent from my Samsung SGH-T989D using xda premium

skadude66 said:
What apk are you talking about?
Sent from my Samsung SGH-T989D using xda premium
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Click to collapse
2nd core apk
https://play.google.com/store/apps/...1bGwsMSwxLDEsImNvbS50ZWdyYWsuc2Vjb25kY29yZSJd

gazmendf said:
2nd core apk
https://play.google.com/store/apps/...1bGwsMSwxLDEsImNvbS50ZWdyYWsuc2Vjb25kY29yZSJd
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Click to collapse
Best bet would be to contact the developer for support.
Sent from my Samsung SGH-T989D using xda premium

If rooted, use System Tuner from the play store.

AaronPauley said:
If rooted, use System Tuner from the play store.
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its good apps but with 2nd core you can disable second processor for better battery life ( system tuner not support this feature if a am not wrog) sorry for bad english can any dev. make this apk to work pls

gazmendf said:
its good apps but with 2nd core you can disable second processor for better battery life ( system tuner not support this feature if a am not wrog) sorry for bad english can any dev. make this apk to work pls
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Qualcomm chips do this automatically. When not needed one core is off. When enough stress or more power is needed the second core will activate.
Sent from my SGH-T989 using xda premium

Killbynature said:
Qualcomm chips do this automatically. When not needed one core is off. When enough stress or more power is needed the second core will activate.
Sent from my SGH-T989 using xda premium
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do not think so if you look in some apk (system tuner etc) you'll see that the processors work both

gazmendf said:
do not think so if you look in some apk (system tuner etc) you'll see that the processors work both
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Click to collapse
CPU 1 is off for me. The stock kernel might not do this try flashing custom kernel. Tegrak is only for humming birds processors this phone will not be compatible.
Sent from my SGH-T989 using xda premium

Killbynature said:
CPU 1 is off for me. The stock kernel might not do this try flashing custom kernel. Tegrak is only for humming birds processors this phone will not be compatible.
Sent from my SGH-T989 using xda premium
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Click to collapse
which kernel you use pls and thax

Best battery life is warfare
Sent from my SGH-T989 using xda premium

gazmendf said:
which kernel you use pls and thax
Click to expand...
Click to collapse
In system tuner under boot tweaks choose force all CPUs online then upon boot completion (this way if init.d tweak script causes issues you override it as this is done after init.d)
Or manually
Start Android terminal
Type
su
Then tap enter
Type
stop mpdecision
Tap enter again
Exit terminal
(could put line in a text file save to SD use script manger to load as su and set as widget too)
(need to do this after every boot or anytime you want to force CPU 1 online when it is not (uses more battery if it doesn't deep sleep as it should when it us not needed)).
Also, DO NOT set CPU minimum speed to 192 mhz use at least 384. Setting to 192 will usually cause CPU to not come back online it is just the increment in mhz not really meant to be used as lowest speed.
This is for any version of Android be it ginger or ICS doesn't matter.
Sent from my SGH-T989 using Xparent Green Tapatalk 2

Enable undervolting.

So I have finally got round to taking control of my Play. Unlocked my bootloader, rooted, applied DooMKernel v14 and now have Gin2JelllyBean rom.
I've already managed to squeeze a day more battery life thanks for SetCPU down clocking while the screen is off. Now id like to look at undervolting.
From what I read, there should be an undervolting option active in SetCPU but it's not there. I thought DooMKernel supported this, so firstly I just wanted to ask if there is anything I need to do to activate it or if might have gone wrong somewhere?
Thanks in advance.
Sent from my R800i using xda app-developers app.

I have SetCPU too and it doesn't let me change the voltages. I am using IncrediControl for changing them, and it works

OC/UV Beater2 v1.7, allows setting voltages in an init.d script, so there aren't any unnecessary services running on boot

Thanks for the suggestions guys I will check them out.
Still confused why I can't use SetCPU though.
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Be careful u dervolting, can actually decrease battery life. Never set undervolts to run at boot.
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Masters2150 said:
Be careful u dervolting, can actually decrease battery life. Never set undervolts to run at boot.
Sent from my R800i using xda app-developers app
Click to expand...
Click to collapse
Now how do you figure that

i am using System Tuner Pro
all in one apps for CPU modding
but try SetExperia, its lightweight

[Q][solved]any scripts or Rom for battery performance?

I've tried many roms but my battery drains heavy on usage but it is better on standby but any suggestions for Rom or scripts to increase my battery performance? All suggestions are welcome
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velan1 said:
I've tried many roms but my battery drains heavy on usage but it is better on standby but any suggestions for Rom or scripts to increase my battery performance? All suggestions are welcome
Sent from my R800i using xda app-developers app
Click to expand...
Click to collapse
Try doomkernel and dixperia 3 rom.calibrate your battery and report..if its still drains really fast its your battery dying
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masteril said:
Try doomkernel and dixperia 3 rom.calibrate your battery and report..if its still drains really fast its your battery dying
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Click to collapse
Thanks will try and post the result...
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battery dying
still no improvement in the battery so it concludes my battery is dying... :crying:
Soon to replace new battery.... thanks for the suggestion...

Try a gb Rom with lupus 12.5 and set the max freq to 1.2 GHz and min to 180 MHz and govenor to lulzactive, these setting r the best for performance and battery,
Sent from my R800i using xda app-developers app

Pizza_Dox said:
Try a gb Rom with lupus 12.5 and set the max freq to 1.2 GHz and min to 180 MHz and govenor to lulzactive, these setting r the best for performance and battery,
Sent from my R800i using xda app-developers app
Click to expand...
Click to collapse
Thanks , will try and post the result, I wanna try you BOS-amazing edition and hope it helps
Sent from my R800i using xda app-developers app

Pizza_Dox said:
Try a gb Rom with lupus 12.5 and set the max freq to 1.2 GHz and min to 180 MHz and govenor to lulzactive, these setting r the best for performance and battery,
Sent from my R800i using xda app-developers app
Click to expand...
Click to collapse
still the same anyway thanks for the suggestion,
gonna buy a new one next week....

velan1 said:
still the same anyway thanks for the suggestion,
gonna buy a new one next week....
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Click to collapse
then i guess its a hardware problem dude, , But also u can try to go to Settings > Wifi > (PRESS MENU BUTTON) > Advance > Wifi Sleep Policy > When Screen Off, Now u can leave wifi on always but when the screen is off, wifi turns off!, thats how my battery lasts so long,

Pizza_Dox said:
then i guess its a hardware problem dude, , But also u can try to go to Settings > Wifi > (PRESS MENU BUTTON) > Advance > Wifi Sleep Policy > When Screen Off, Now u can leave wifi on always but when the screen is off, wifi turns off!, thats how my battery lasts so long,
Click to expand...
Click to collapse
Thanks for giving lot of advice, will report the change after changing battery, your tips will help in saving battery.
Sent from my R800i using xda app-developers app

[Q] Android System, using insane amount of power

Seems like my phone does not go to deep sleep at all?
Anyone who has an idea of what is causing this?

Install cpuspy app frm PlayStore nd check whether yu r getting deep sleep mode also chk nfc is working for yu..??
Sent from my LG-E975 powering Stock 4.1.2

And install BetterBatteryStats to find out what's causing drain.
Sent from my LG-E975 using xda app-developers app

hasan4791 said:
Install cpuspy app frm PlayStore nd check whether yu r getting deep sleep mode also chk nfc is working for yu..??
Sent from my LG-E975 powering Stock 4.1.2
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removed the last couple of app i had installed, now the problem is not system, but googleapps eating alot ~ 41 %

Google apps using alot of battery
See attached pics, cant figure out whats causing it? Never had this problem before.
Sent from my LG-E975 using xda app-developers app[/QUOTE]

Try to take google sync off from settings and google apps.
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TheGripper said:
Try to take google sync off from settings and google apps.
Sent from my LG-E975 using xda app-developers app
Click to expand...
Click to collapse
Okay i will try that, and see if it help

benjih said:
removed the last couple of app i had installed, now the problem is not system, but googleapps eating alot ~ 41 %
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Click to collapse
seems ur not getting deepsleep mode...restart mobile and and chk whether it enters deepsleep coz sometimes it wrks,,,also is ur nfc working..??

Disabled sync, now the phone goes in to deepsleep

benjih said:
Disabled sync, now the phone goes in to deepsleep
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Click to collapse
I've had problems with my phone not sleeping, and disabling sync helped me too.

Same here. Thanks a lot!

I've enabled sync all the time and I get deep sleep too....!!

Try to disable the automamatic backup of Google and the synch of Google photo app

[Q] [Battery Drain] Android OS sucking a lot of battery

Hello,
From the last 2-3 days my phone's battery life reduced by 4-5 hours. Upon checking I found that Android OS is taking a lot of battery (Image attached). I have just a couple of sync settings on. Its also keeps the CPU awake. Please suggest any way to stop this.
Thanks

When did this happen? What did you do anyway that made your Android OS blow up the roof?
Sent from my C1904 using XDA Premium 4 mobile app

89228452
elmkzgirxp said:
When did this happen? What did you do anyway that made your Android OS blow up the roof?
Sent from my C1904 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I can't pinpoint the problem, thats why I posted here.

thedroidmaster said:
I can't pinpoint the problem, thats why I posted here.
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Click to collapse
because u r using 3g[wcdma]...it will take battery ...change it to 2g only[gsm]

Battery draining in 2g also
ansebovi said:
because u r using 3g[wcdma]...it will take battery ...change it to 2g only[gsm]
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Click to collapse
I changed it to 2g. Still Android OS is sucking battery, even for minimal use. Check the image.

thedroidmaster said:
I changed it to 2g. Still Android OS is sucking battery, even for minimal use. Check the image.
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Click to collapse
for 6hrs 30% is good with screen on and games...dont wry on android os..[but if u want try battery calibrator from playstore]
but i think u r in cm11[if yes there maybe a leak...so try app]

ansebovi said:
for 6hrs 30% is good with screen on and games...dont wry on android os..[but if u want try battery calibrator from playstore]
but i think u r in cm11[if yes there maybe a leak...so try app]
Click to expand...
Click to collapse
Thanks for the reply, I ain't on CM11. Just the stock rom with gravity Box Mods.

44% is too much. Which FW you are using? And are you rooted?
If yes set lower CPU when screen off, that saves battery a lot, n did you turn stamina mod on?
Look at mine
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giridhargp said:
44% is too much. Which FW you are using? And are you rooted?
If yes set lower CPU when screen off, that saves battery a lot, n did you turn stamina mod on?
Look at mine
Sent from my C1904 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Thanks for the reply. I am using Stock 4.1.2 Build 15.1.C.2.8 (Fully Rooted with busy Box). How to set lower CPU? Also, I don't use Stamina mode as I get a lot of Emails and I need push notification to work for that. Any other solution that you can suggest?

You can use Stamina mode with push notifications, just whitelist the apps you need working with screen off...

thedroidmaster said:
Thanks for the reply. I am using Stock 4.1.2 Build 15.1.C.2.8 (Fully Rooted with busy Box). How to set lower CPU? Also, I don't use Stamina mode as I get a lot of Emails and I need push notification to work for that. Any other solution that you can suggest?
Click to expand...
Click to collapse
Dont say thanks,Hit thanks ,
Go to stamina mod and add apps you want,like gmail,whatsapp,etc,and then turn on stamina mod
Am using du battery saver pro there you get option to lower CPU frequency when screen is off,
And also I recommend install greenify and put apps which you use rarely,
Sent from my C1904 using XDA Premium 4 mobile app

giridhargp said:
Dont say thanks,Hit thanks ,
Go to stamina mod and add apps you want,like gmail,whatsapp,etc,and then turn on stamina mod
Am using du battery saver pro there you get option to lower CPU frequency when screen is off,
And also I recommend install greenify and put apps which you use rarely,
Sent from my C1904 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Using Stamina Mode now and Experiencing a difference already.
I have apps greenified, and will install DU battery Saver too.

thedroidmaster said:
Using Stamina Mode now and Experiencing a difference already.
I have apps greenified, and will install DU battery Saver too.
Click to expand...
Click to collapse
Glad its working
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