yashsingh1/xdaforums huggingface dataset:
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Ok guys, everybody on AOSP 4.4 and TWGE 4.4 check your OTA. It has dynamic fsync removed (for all you guys having troubles with data corruption) and also Linux 3.4.78 :D
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
Thank you SO much. Next update should include turbo pursuit mode and a coffee maker. Thanks ;)

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[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Your welcome, my flight got canceled due to weather today for work so I got today to mess around.
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
Damn :/. Where are you heading? What I wanted to ask... Can we force the gpu to run at 128 mhz when idle? It's always on 320 mhz when idle..

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[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Newark new jersey. And no, not without rewriting the GPU governors and then it will probably just slow down the phone.
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
Still the best kernel for S4 ;)

Hope you get home soon.

Do you think 545 mhz is smoother for ui rendering or is it not noticeable?

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[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Thanks man. I dont see a difference on my phone.
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
I really hope that we get Linux kernel 3.10 for the next major Android update.

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[Galaxy S 4 i9505 Original Android Development] Formhault:
I thought Linux 3.7 is the future :eek:. Or was it 3.8... :confused:

---------- Post added at 09:31 PM ---------- Previous post was at 09:29 PM ----------

So that's why I never had any issues... because I was on AOSP4.3! :silly:

---------- Post added at 09:32 PM ---------- Previous post was at 09:31 PM ----------

So... the GPU behaves that way on TouchWiz ROMs only...? Please say yes...
[Galaxy S 4 i9505 Original Android Development] andyjg247:
Just tested pre-update ramping the CPU up to force a crash. Before causes corruption. After kernel doesn't. Thanks!
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
You around to test, I made some adjustments to Simple Governor and want to see how it goes on your phone (mine really stays at 128 alot now and does bounce around with load). Also modified 2 tunables to be configurable for the governor to adjust how it reacts:

2 tunables are:

/sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/simple_laziness

/sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/simple_ramp_threshold

Laziness is a counter to delay reaction to a new load

Ramp threshold is a value used to determine when it scales up and down.

Play with them and see how it goes. :good:
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
I'm around ;)

Oh and btw which values do you use? Don't want a worse performance ;)

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[Galaxy S 4 i9505 Original Android Development] ktoonsez:
laziness = 5

ramp_threshold = 6000

and they are default.

Kernel is up, just redownload using OTA and let me know what you are seeing :D
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
Will try in a sec. Thanks!

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---------- Post added at 09:31 PM ---------- Previous post was at 09:18 PM ----------

@ktoonsez

Still 320 mhz. Perhaps I flashed the same kernel...? The new kernel is compiled 12.56 right?

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[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Yes, 12:56 pm. Did u get too excited and forget to switch to "Simple" governor? If you did all that, start messing with the 2 tunables. I would start with ramp threshold. Subtract by 1000 each tiime to see what happens, if subtract doesnt work, try adding.

Also it would be a good idea to check this file to make sure you do have simple selected:

/sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/governor
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
I have simple gov. How to change the tuneables?

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[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Root explorer or ES File Explorer using the file names I gave u.
[Galaxy S 4 i9505 Original Android Development] :
I also want to test this New tunables. But im on 4.3 TW Rom. What about a test kernel?

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[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
Will try it :)

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[Galaxy S 4 i9505 Original Android Development] __NBH__:
Do we need to reboot for the variables to change? I'm editing values but not seeing any changes in GPU freq?
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
No reboot and it doesnt change frequencies, it changes how fast it reacts to change and how fast it ramps up. Also, I would set "touch_gpu_boost" to 0 to fully test if you are using ktoonservativeq.
[Galaxy S 4 i9505 Original Android Development] Lither:
I'm using AOSP KK 4.4 01.05.2014 version of the kernel with ktoonservativeq governor but most of the time when screen is off and I get a notification, it doesn't vibrate
[Galaxy S 4 i9505 Original Android Development] vagaBond07:
[MENTION=4325945]ktoonsez[/MENTION], I've been searching the site looking for a possible knock2 feature for S4. Some said that its a settings that needs to be done on the kernel. Is it possible that you implement it on your next update? :D
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
CM ROM has it built in.
[Galaxy S 4 i9505 Original Android Development] Jsilver73:
I'd really like to try the test kernel but can't seem to find it and I'm going bonkers looking! :( please can someone show me where it is??
[Galaxy S 4 i9505 Original Android Development] kantjer:
OTA
[Galaxy S 4 i9505 Original Android Development] Formhault:
Hmm? :eek: :eek: :eek:

So... It's not much of a kernel feature as it is a ROM feature
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Can be done with both. Depends on the approach.
[Galaxy S 4 i9505 Original Android Development] HaGii:
What do u mean with Knock2 feature? :o Like LG G2?
[Galaxy S 4 i9505 Original Android Development] Lither:
@ktoonsez Can you help me with the question below please,

I'm using AOSP KK 4.4 01.05.2014 version of the kernel with ktoonservativeq governor but most of the time when screen is off and I get a notification, it doesn't vibrate
[Galaxy S 4 i9505 Original Android Development] HaGii:
And what's with the Swipe 2 Wake feature in KTweaker App? Are u going to implement it in your Kernel? Maybe with Swipe 2 Sleep also?

Thanks for reply.
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Same answer as always, still no time to get it working for such a huge battery drainer.
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
If your phone doesnt want to cooperate, you will probably have to switch governors. Only option is to start raising minimum Mhz and getting rid of all the screen off goodies if you want to keep my governor.
[Galaxy S 4 i9505 Original Android Development] Lither:
Currently my Screen Off Profile Sched is noop and Screen Off Profile MHz is 486MHz
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
For sure set the Screen Off Profile MHz to "Selected Scaling Max" for your first try. Then next set screen off scheduler to "Same as selected Sched".
[Galaxy S 4 i9505 Original Android Development] Formhault:
Can you do it in kernel side? Unless it is the same as with s2w...
[Galaxy S 4 i9505 Original Android Development] PiggySmalls:
The knock 2 wake and swipe to wake features are cool, and I love them on my tablet, where battery isn't a huge concern for me. But as [MENTION=4325945]ktoonsez[/MENTION] said, they are HUGE battery leeches, pretty much never letting the device sleep.
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Same as s2w.
[Galaxy S 4 i9505 Original Android Development] Formhault:
Didn't know k2w is the same as s2w in terms of battery. Bummer :(

Oh well, at least we got the home button, so we don't necessarily reach to the top of the phone to wake the device like HTC One users, for example :silly:.

[MENTION=4325945]ktoonsez[/MENTION] How's that GPU throttle binding in KThermal going? :D
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Finished that last week and is in latest release from 1/31.
[Galaxy S 4 i9505 Original Android Development] Formhault:
Oh... Okay.

Guess that's what the "A bunch of GPU re-writes to make games perform better/more consistent" line in the changelog meant then :p.
[Galaxy S 4 i9505 Original Android Development] vagaBond07:
Thanks bro. Well if its a battery hungry feature, well better have longer battery. Thanks again. :thumbup:
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
[MENTION=3117242]iamnotkurtcobain[/MENTION]

You around to test again????
[Galaxy S 4 i9505 Original Android Development] s3icc0:
I can test
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Only if you are on AOSP 4.4 and always see GPU stay at 320 like curt does?
[Galaxy S 4 i9505 Original Android Development] s3icc0:
Aosp 4.4

Gpu always 320 ( got touchboost to 200 and it it works - think it is the same thing you fixed for cpu recently)
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Cooooooool, building it up right now.
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Ok, its up on the server, download using the OTA to get it. First thing you will do is go to:

/sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/default_lvl

file and write a 3 to it. Then monitor GPU speed using KTweaker or whatever u want and u will see it stay at 128 almost constantly (I hope) :D :good:

Putting a 1 back in it will make it hover at 320 more often. Crossing my fingers.
[Galaxy S 4 i9505 Original Android Development] s3icc0:
/sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/simple_laziness

/sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/simple_ramp_threshold

And these two? Or this new setting apply also for ondemand and performance gpu govs?
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Leave the other 2 files alone. It works for ondemand and simple. Nothing effects performance governor since it just lock GPU at max.
[Galaxy S 4 i9505 Original Android Development] __NBH__:
Just tried the new setting and it works great, GPU sitting at 128 on idle :thumbup:
[Galaxy S 4 i9505 Original Android Development] kantjer:
Where is the GPU monitoring hidden in KTweaker, I can't find it :confused:
[Galaxy S 4 i9505 Original Android Development] __NBH__:
Its under general, it says CPU freq then a dash then GPU freq.
[Galaxy S 4 i9505 Original Android Development] kantjer:
Ah thanks, never new what the number after the dash represented :o

In that case it works, GPU for me is now at an almost constant 128 (simple gov)
[Galaxy S 4 i9505 Original Android Development] s3icc0:
Not sure .... It is keeping the freq to 128 for me (simple) but:

Before: freq was 320, but it scales down for 200 boost

After: freq is 128 but on touch it jumps up to 450 ... 320 .... 200 and when holdong my finger on the screen it stays on 450 and 320

(I have 450 max freq and 200 touchboost)
[Galaxy S 4 i9505 Original Android Development] kantjer:
I'm using your srv v2 settings and for me GPU boosts to 200 while holding screen. I don't see it go any higher.
[Galaxy S 4 i9505 Original Android Development] s3icc0:
I am anyway putting the default_lvl back to 1 and setting my gpu touchboost to 320 until any new info
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Thats to be expected since you are interacting with it and no animation is on the screen. The key is that it stays at 128 when screen is not touched, no animation and no CPU spikes :good:
[Galaxy S 4 i9505 Original Android Development] s3icc0:
Then two questions ...

1) for default_lvl=1 it makes no sence to set gpu touchboost lower than 320 as 320 is standard freq

2) for default_lvl=3 it is better to deactivate gpu touchboost right?
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
1) You are correct, makes no sense boosting to a slower GPU Mhz

2) Not necessarily, personally I use a touch boost of 504 since 504 is my max. You can disable it and see if you suffer from any slow downs.

Personally I am gonna use:

default_lvl=3

touch_boost_gpu = 504

Just so everybody understands the numbering, here is the table (Idiotic the way Samsung did it all ass backwards):

0 = Selected GPU Max Mhz

1 = 320

2 = 200

3 = 128
[Galaxy S 4 i9505 Original Android Development] s3icc0:
I changes back to 1 but it still holds the 128MHz ... I reboot check the file but still 128MHz with the 1 setting
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Yes it does scale to 128 but hangs out at 320 more often with a 1. My guess would be that you are plugged into a charger or PC if you see alot of 128 with a 1.
[Galaxy S 4 i9505 Original Android Development] s3icc0:
You see through walls ... I disconnect charger and it is fine now :)
[Galaxy S 4 i9505 Original Android Development] mattiadj:
Where is default lvl parameter?? I'm blind?

From universe with my gs4 snapdragon powered!
[Galaxy S 4 i9505 Original Android Development] terminator1983:
I have philz recovery i don't see fix permission option in the recovery can i flash the kernel without fixing permissions.
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Yes, you are fine.
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
/sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/default_lvl
[Galaxy S 4 i9505 Original Android Development] s3icc0:
/sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/default_lvl

Disabled gpu touch boost with default_lvl 1 and it works the same like having touchboost to max scaling :)
[Galaxy S 4 i9505 Original Android Development] Milamber:
Hey ktoonsez

Would you mind sharing your current settings? I know you have a thread from years back but I guess you have changed your choices since then. I'm keen to know what you use for 4.3 TouchWhiz ROM :)
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
WAKE UP [MENTION=3117242]iamnotkurtcobain[/MENTION]!!!!!!!!!!!!!!!! Come get your 128 Mhz :D
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
My current settings are in the KTShop (ktoonsifiedv4) plus the stuff you just quoted. :good:
[Galaxy S 4 i9505 Original Android Development] Milamber:
Woahh! I never knew you had a KTShop :)

Do you have a link, I cant see anything in your sig.
[Galaxy S 4 i9505 Original Android Development] terminator1983:
Thanks i will try it out
[Galaxy S 4 i9505 Original Android Development] HaGii:
It's inside KTweaker App :P
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
There is a link in the OP to the thread and its built right into KTweaker under "Profiles & Scripts".
[Galaxy S 4 i9505 Original Android Development] terminator1983:
My phone wifi was not working after flashing stock firmware now after flashing this kernel its started working again.

Thanks for great work.
[Galaxy S 4 i9505 Original Android Development] -sandro-:
quick question is the scrolling/graphic controlled in the kernel? I noticed that tapatalk scrolling is silky smooth on GE ROMs while it noticeability lags and hangs sometimes before scrolling on AOSP and CM roms!!
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
Its the optimized proprietary file that are in the ROM. Samsung ROMs will always win out on that stuff. But you can search around for the optimized cache/dalvik zip file being passed around that makes CM a whole lot better :highfive:
[Galaxy S 4 i9505 Original Android Development] Solace50:
is it possible to have the ktshop not re-download the store every time? also under KTgaming profile you listed up_threshold twice under view adjustments. once with the value 80 and another with 57. the 80 is not valid according to the profile itself.
[Galaxy S 4 i9505 Original Android Development] ktoonsez:
It has to download the list to include all the features. I removed the extra up_threshold.
[Galaxy S 4 i9505 Original Android Development] Solace50:
are these settings 4.4 only, the files appear to not exist on 4.3 kernels. the only one to exist is the governor one.
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
I am! Just saw the new 4.2 OTA. Will try immediately.

Edit: still 320 mhz gpu when idle :/

I choose simple gpu governor.

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[Galaxy S 4 i9505 Original Android Development] s3icc0:
did you change the /sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/default_lvl to 1?

for me it works perfectly (i am on simple gov, but should work for ondemand as well)
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
Will try that. Did you use es file explorer for that?

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[Galaxy S 4 i9505 Original Android Development] s3icc0:
i am using root explorer (it's the best of the best) ... but any explorer with root permissions should be able to do that ...

or

echo "1" >/sys/devices .......

here the values u can use:

0 = Selected GPU Max Mhz

1 = 320

2 = 200

3 = 128
[Galaxy S 4 i9505 Original Android Development] angeloumbao:
can i help locating this? or what im missing? im on the /trustzone folder with a .txt file named governor and inside it written "simple" any idea?
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
Finally 128 when idle! But I put a 3 inside as 1 was already there..

Thanks buddy!

Hope it doesn't decrease performance.

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[Galaxy S 4 i9505 Original Android Development] s3icc0:
u must be on AOSP 4.4 ROM and the corresponding kernel version ;) it is only test version yet
[Galaxy S 4 i9505 Original Android Development] angeloumbao:
sorry my bad, did download though the test version through OTA but no avail by the way im on 4.4 GE will it come to other versions too when official comes? or jus AOSP?
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
It's already an OTA kernel ;)

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[Galaxy S 4 i9505 Original Android Development] s3icc0:
I would say it will come later, but the only person who really knows is the mighty dev ...
[Galaxy S 4 i9505 Original Android Development] angeloumbao:
ok thanks man! big help there. :) :good:
[Galaxy S 4 i9505 Original Android Development] s3icc0:
yes, but only for aosp 4.4 .. so I think this is the way ktoonz is distributing test version ... normal user will not notice a difference, but when you know what to change then you can release hidden power :)
[Galaxy S 4 i9505 Original Android Development] angeloumbao:
so 1 more question, i just remembered im on this rom ( [ROM]KOT49H【4.4.2】AOSP official Google Edition 【AOSP Features or Stock Edition】【Optimized】02-01-2014 ) still not an AOSP? Or just AOSP no google edition AOSP? :confused:
[Galaxy S 4 i9505 Original Android Development] s3icc0:
Per the description it seems to be GE Rom ... I can check but you should know :))
[Galaxy S 4 i9505 Original Android Development] angeloumbao:
Well, it's GE but just with aosp features. Got messed up with the title. XD
[Galaxy S 4 i9505 Original Android Development] s3icc0:
right .. i only messed up the numbers :D that's why I searched for the table from ktoonz ... :)
[Galaxy S 4 i9505 Original Android Development] Formhault:
Me neither, lol. At some point, I thought X-Y represents min-max CPU frequency. Now I realise how retarded that sounded. :eek:

My GPU appears to stay at 320. Sh*t...

Oh well, didn't modify any files, so... Hey, that's probably why I never reached more than 3 hours on-screen time :). I'm pretty sure though that the guys with 6+ hours of on-screen time use huge Mugen batteries or something like that. :crying:
[Galaxy S 4 i9505 Original Android Development] kantjer:
Well I'm ruining KK with stock battery and I'm getting 5~6 hour screen time.
[Galaxy S 4 i9505 Original Android Development] Formhault:
Oddly enough, the default_lvl was already set to 1 for me.

I am on the latest OTA for AOSP4.4... with GPU set to Ondemand. Just set it Simple and it's still the same (320 MHz). :eek:
[Galaxy S 4 i9505 Original Android Development] kantjer:
you need to set it to 3
[Galaxy S 4 i9505 Original Android Development] Formhault:
---------- Post added at 10:05 AM ---------- Previous post was at 10:01 AM ----------

Oh, right. Just did that and now the GPU stays at 128 (rarely spiking to 200). :victory:

---------- Post added at 10:06 AM ---------- Previous post was at 10:05 AM ----------

Now... will it stick after reboot?

EDIT: The answer is no... after a reboot, default_lvl is back to 1. :eek:
[Galaxy S 4 i9505 Original Android Development] s3icc0:
0 = Selected Scaling Max

1 = 320MHz

2 = 200MHz

3 = 128MHz

... I wrote it wrong first ...

but there is another thing I was thinking about (@ktoonsez) we have 3 voltage settings fo GPU - LOW / NOMINAL / HIGH which frequency is this dedicated to? as I thought it is the 200 / 320 / max steps ... so then I am thinking if now some of us have 128 idle, what voltage 128 step has? (thinking having lower voltage on higher scaling probably ... - that should also have some impact on consumption)
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
I think ktoonsez has to include it ktweaker to stick @3

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[Galaxy S 4 i9505 Original Android Development] kantjer:
For now just ad this to your script file.

echo "3" /sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/default_lvl

And don't forget to remove it once the function is integrated in KTweaker.
[Galaxy S 4 i9505 Original Android Development] Formhault:
I just realised (again)... it is low, nominal and high, not 200, 320 and 504 MHz (which wouldn't make sense, since we have more steps actually). :laugh:

Interesting thing... Hmm, [MENTION=4325945]ktoonsez[/MENTION], do you mind explaining what this thing is all about? The low/normal/nominal voltages... I am most curious :D.

---------- Post added at 10:12 AM ---------- Previous post was at 10:12 AM ----------

I just did that :D.
[Galaxy S 4 i9505 Original Android Development] s3icc0:
here also back to 1 after reboot ... thanks for notice (have no more free thanks today ... )

adding into script will help for sure
[Galaxy S 4 i9505 Original Android Development] yogg:
So does this "GPU MUST IDLE 128mhz!!" madness work for Touchjizz ROM?

Could I, like you guys set the default value to 3.
[Galaxy S 4 i9505 Original Android Development] vagaBond07:
Ehheem i dont know if im doing it correctly but im not getting /sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/default_lvl

I only have this:

/sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/governor

Im i doing something wrong? And also the permission is -rw, do I need to change it? Can someone teach me how? Oh by the way, im using es file explorer
[Galaxy S 4 i9505 Original Android Development] kantjer:
This isn't working for your GE ROM ATM, there is only a test version for pure AOSP.
[Galaxy S 4 i9505 Original Android Development] s3icc0:
Only for AOSP 4.4 roms yet ... and the setting is hidden as it is testing version .... be patient and w8 for ktoonz resolution ...
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
Can someone make a script for that til ktoonsez integrates it in ktweaker? Thanks.

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[Galaxy S 4 i9505 Original Android Development] kantjer:
Just pick any script, remove everything if you don't want to use it and paste the line posted earlier in it.
[Galaxy S 4 i9505 Original Android Development] s3icc0:
are you already using any script?
[Galaxy S 4 i9505 Original Android Development] iamnotkurtcobain:
No.

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[Galaxy S 4 i9505 Original Android Development] s3icc0:
here you are ... unzip, place it into /KTweaker/script folder and enable it in KTweaker