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SetCPU on SGS2

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  1. slippyjim

    slippyjim Member


    Im trying to set up some profiles in SetCPU on my SGS2 (root CF-Root-SGS2_DX_SIN_LP9-v5.4-CWM5) but not getting very far.......

    setCPU v3.0.7

    Screen Off
    CPU 200-1000
    governor - ondemand

    If I set the max CPU any lower 800, 500 or 200 then when the screen goes off I can not get the it back on without pulling the battery out the phone
    Also after the profile has been activated it seems to mess up my Wifi as well, so I have to turn that off and back on.

    Any ideas??

  2. ironass

    ironass Well-Known Member

    That's God's way of telling you that you have reached the limits on that kernel... which is basically a stock, Samsung kernel that has been modified for rooting.

    If you want to play around a bit more then you need a custom kernel, such as, Siyah.

    Personally, I don't bother playing around with the kernel settings too much as there is very little to gain. Instead, I prefer to go for a good kernel and developer and rely on their experience and use their settings.

    Rule of thumb for me... "If the kernel and the developer are good enough, use their settings!"
    slippyjim likes this.
  3. slippyjim

    slippyjim Member

    Arrrhhhh Ive read about Siyah, not sure if I can be bothered with another kernel ATM, maybe another day!! :)
  4. dynomot

    dynomot Well-Known Member

    If your rooted and have Clockwork Mod (CWM) installed (you should have when you rooted) then flashing a new kernel is straightforward. Backup your current set up in CWM and download the Siyah kernel .zip. Now go to clockwork mod and select "Flash an update .zip" (not flash a kernel for some reason) navigate using the volume buttons to the Siyah .zip (it'll be in downloads) and select to flash. Phone will reboot normally and your good to go.

    Always, always do a "Nandroid" backup before flashing anything as a minimum. Personally I've never had any trouble, but there are plenty that do, and this will get you out of jail.
  5. slippyjim

    slippyjim Member

    I probably will do it, temptation is just too great haha
    Sounds fairly simple anyway
  6. setcpu is not working on ics with cf-root kernel
  7. slippyjim

    slippyjim Member

    I couldnt resist so now Ive got Siyah 4.15 flashed, and also got 4.14 downloaded as i read that some people had better battery life with that kernel.

    Ive just looked at ExTweaks and got no idea where to start....... another day
  8. ooberandy

    ooberandy Well-Known Member

    The only thin I use ex tweaks for is to change the profile. Which is very simple...

    Top right hand corner says default > tap this & select battery. Simples :)

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