[TWEAK][Siyah Kernel 4.1.1+][Extweaks] Get up to 7 hours of screen usage

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Slipurson

Senior Member
Feb 25, 2011
136
55
Fagersta
Just tried these settings and will test it some at work tomorrow, i have extended battery, so ill be able to tell how much time i got out of my screen with these settings. :)

I am running CM10, Siyah 4.1.4, KG5 Modem.

Only problem for me, testing these settings, is that i have really varying batterytime from day to day, but i guess i should see a change atleast, time will tell :p
 

KubaCZ912

Member
Jul 10, 2012
13
1
I'm running CM10 with this configuration, except max cpu freq is 700mhz - yep, enough for normal work. I'm overclocking it when playing videos using SW decoder/playing 3d games. I can get about 2 days with normal usage and wifi all the time except nights. Also I have great results with LPX modem.
 

rakeshishere

Senior Member
Feb 15, 2011
2,633
1,016
All this achieved on stock battery using these settings :)

Here is Day 1 stats

>ROM - Wanamlite 12.4
>KERNEL - SIYAH 4.1.4
>USAGE PATTERN - Tapatalk, Browsing, Calls, Emails,Gaming
>Settings - Auto brightness, Both Data and Auto sync ON all time, WIFI for 12hours

Screen time - 2h 18m
Standby - 1d 11h 6m

Sent from my GT-I9100 using Tapatalk 2
 

kahar91

Senior Member
Aug 2, 2011
75
6
Try running your phone for 24 hours and see if you get 7 hours screen time, because you won't! Max 3-4 hours, even with your settings. Don't mean to troll.

Sent from my GT-I9100 using xda premium
 

rakeshishere

Senior Member
Feb 15, 2011
2,633
1,016
Try running your phone for 24 hours and see if you get 7 hours screen time, because you won't! Max 3-4 hours, even with your settings. Don't mean to troll.

Sent from my GT-I9100 using xda premium

This is 1st cycle after changing the settings based on this thread. I'll surely monitor and keep you updated.

Sent from my GT-I9100 using Tapatalk 2
 

Psyloid

Senior Member
May 26, 2011
971
237
Works good on my phone. Def more juice now :)

Sent from my GT-I9100 using xda premium
 

alexandru.j91

Senior Member
Apr 11, 2011
92
1
Iasi
i really dont get it.. everywone that i see on this forum gets 5-6 h of on screen time..last night i installed the modem that you have..i made the same settings in extweaks and my batt is like this :
i REALLY DON'T GET IT.. I have low screen on time ..and still my batery is killing me..

i have siyah kernel installed 4.1.4+
 

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gb.yolo

Senior Member
Aug 31, 2012
194
138
Rome
github.com
i really dont get it.. everywone that i see on this forum gets 5-6 h of on screen time..last night i installed the modem that you have..i made the same settings in extweaks and my batt is like this :
i REALLY DON'T GET IT.. I have low screen on time ..and still my batery is killing me..

i have siyah kernel installed 4.1.4+

It depends on lots of factors. My modem may work well for me, but not for you, so you have to find the perfect one for your phone. Then the ROM, and so on :)

Can you post your configuration? I'll try to help you :)
 

alexandru.j91

Senior Member
Apr 11, 2011
92
1
Iasi
It depends on lots of factors. My modem may work well for me, but not for you, so you have to find the perfect one for your phone. Then the ROM, and so on :)

Can you post your configuration? I'll try to help you :)

well now i run cyanogen 9.1 with siyah kernel 4.1.4+ i have installed xxkh3 modem and i use extweaks settings from this post
i live in romania and here there is no fast dormancy on orange network
 

yokuyuki

Senior Member
Sep 9, 2012
607
136
New York
i really dont get it.. everywone that i see on this forum gets 5-6 h of on screen time..last night i installed the modem that you have..i made the same settings in extweaks and my batt is like this :
i REALLY DON'T GET IT.. I have low screen on time ..and still my batery is killing me..

i have siyah kernel installed 4.1.4+

You're still doing better than mine. Am I just using my phone a lot more than others?
 

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alexandru.j91

Senior Member
Apr 11, 2011
92
1
Iasi
Yeah but in my screen shots you can see that i only had the scrren on for 41m but usualy after 4h of usage i have 40%battery..and i use agresive settings in extweaks ..

This is very strange ..now i have installed cm9.1 and siyah kernel with agresive settings to se how it manages..and in 2h with 21 m screen usage i have 82%bat.. damn

Sent from my GT-I9100 using Tapatalk 2
 

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TheQuarterMile

Senior Member
Apr 29, 2011
1,676
331
Samsung Galaxy S22 Ultra
Yeah but in my screen shots you can see that i only had the scrren on for 41m but usualy after 4h of usage i have 40%battery..and i use agresive settings in extweaks ..

This is very strange ..now i have installed cm9.1 and siyah kernel with agresive settings to se how it manages..and in 2h with 21 m screen usage i have 82%bat.. damn

Sent from my GT-I9100 using Tapatalk 2

Do you get constant full network in ur area?

If the network quality is not consistent then it can mess up ur battery!
 

yokuyuki

Senior Member
Sep 9, 2012
607
136
New York
Yeah but in my screen shots you can see that i only had the scrren on for 41m but usualy after 4h of usage i have 40%battery..and i use agresive settings in extweaks ..

This is very strange ..now i have installed cm9.1 and siyah kernel with agresive settings to se how it manages..and in 2h with 21 m screen usage i have 82%bat.. damn

Sent from my GT-I9100 using Tapatalk 2

What change did you make? I'm down to 24% now after 2h of screen usage.
 

alexandru.j91

Senior Member
Apr 11, 2011
92
1
Iasi
I have 1% batery now i played and listened to music in the same time i managed to make my friend play with my phone to see how much it lasts and here are the samples

Sent from my GT-I9100 using Tapatalk 2
 

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  • 57
    WARNING: Use this settings at your own risk. I am not responsible for what will happen to your phone.

    So, Siyah Kernel 4.1.4 has been released, and since 4.1.1 and its new features I have struggled for obtaining maximum battery life without loosing smoothness.
    I tested these settings on 5 phones (Galaxy S2 GT-I9100): mine and my friends' ones, and we all got the same (more or less) results: it's awesome!
    Screen usage can get up to 7 hours. I did these tests with mobile data on for all phone usage, and not in deep sleep. When I was at home I switched to Wi-fi.
    My ROM is AOKP M6 (ICS 4.0.4), other tests were made on Resurrection remix JB, stock XWLPF (ics), CM9 stable (screen usage: about 6 hours, no more), and AOKP JB (latest).

    Extweaks settings:

    CPU:
    GENTLE FAIR SLEEPERS: ON
    CPU HOTPLUG: (default)
    CFS TWEAKS: Linux kernel defaults
    CPU IDLE MODE: AFTR+LPA
    SMOOTH SCALING LEVEL: 800 mHz
    MAX CPU LOCK: Dual core mode
    CPU UNDERVOLTING: - 50mV (if you get freezes, set -25mV)
    CPU STEP COUNT: 16 (all available)
    GOVERNOR: pegasusq
    MAX FREQ: 1200 MHz
    MIN FREQ: 200 MHz

    GPU:
    MALI TOUCH BOOST LEVEL: Step 2/Step 3
    GPU STEP 1: 44 MHz
    GPU STEP 2: 66 MHz
    GPU STEP 3: 100 MHz
    GPU STEP 4: 200 MHz
    GPU VOLTAGE LEVEL 1, 2 AND 3: 800 mV
    GPU VOLTAGE LEVEL 4: 950 mV

    THRESHOLDS: default values

    AUDIO:
    HEADPHONE AMPLIFIER: 0 (set this value as you want and as you ears can stand it, it doesn't affect battery life unless you listen to music)

    SCREEN:
    TOUCHMOVE SENSITIVITY: 3 pixel
    ALL OTHER SETTINGS: default values
    mDNIe negative toggle: off

    BLN:
    BLN: off
    NOTIFICATION TIMEOUT: never timeout
    BLN EFFECT: set what you want, cause BLN is disabled
    LED TIMEOUT: use ROM defaults
    LED FADEOUT: on
    LEDS ON WITH TOUCH: off
    LED VOLTAGE LEVEL: 2700 mV (2750/2800 mV if led lights are dim)

    MISC:
    ANDROID LOGGER: off
    DEFAULT I/O SCHEDULER: cfq/noop
    ALL OTHER SETTINGS: default values

    I think they are not too aggressive values, but if you get freezes, I recommend you reset your extweaks settings via CWM recovery and then use less aggressive ones.

    In the attached screenshots, battery stats analysis starts from 91% since I had to restart my phone, and when it was at 10% I plugged the USB cable in to transfer a .zip file in my SD card, but I don't think that this 15-second charge affected my test :) (I'm sure it didn't!).
    Phone usage was high today, I used Tapatalk, created a new UCCW skin, did some long phone calls, Facebook, messaging, e-mail checking, and other stuff I don't remember since the battery stats don't even report them (lol).

    Notice that this is an extreme test. 7 hours of screen usage is not a myth, reality instead, but you cannot get them with the so called 'everyday usage'.

    Screenshots of test made on my usual phone usage will come soon :)

    THANKS:
    gokhanmoral : the men who created THE kernel, the Siyah kernel.
    geko95gek : author of MagicConfig. He found out the perfect balance between GPU frequencies and voltages.
    4
    I have Siyah 4.1.5 and cm10 as ROM and everything is fine :)
    If you have some doubts about using these settings, try with less aggressive values first. If you can't see improvements in battery life without lags or lack of smoothness, use more aggressive ones. When you understand something is wrong with your phone (frequent lags, sods, freezes), then it's time to go back to the previous settings :)

    Hope it helps :)


    EDIT: when I say "without lags or lack of smoothness" I'm not talking about games, but everyday usage.
    With extweaks plus you can switch among three different profiles so that when you want to play games such as Asphalt, GTA and so on you can apply settings for getting the best performance while gaming :)
    3
    Is cm9/aokp better for battery life or the samsung based roms?

    As droidstarxx told you, it depends on how you use it. He said samsung based, and I agree with him, but aokp based roms still can give you a good battery life experience :)
    3
    This seems largely similar to my MagicConfig thread. :D


    Sent from my HTC One X
    3
    I saw u're using XXKH3 modem as it's also my favourite... can u please share with me XXKH3 RIL ? It was what I've been looking for & nobody could provide it w/ links or a drop box.. thanks..

    Sent from my GT-I9100 using xda app-developers app

    My modem's XXKH3, and i downloaded it here: http://www.ziddu.com/download/19200730/Modem-XXKH3-CWM-DragoN3252.zip.html
    ;)
    hope this helps
    cheers!