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Root Enable JIT / Disable JIT

Discussion in 'Android Devices' started by IzelTokatl, Jul 30, 2010.

  1. IzelTokatl

    IzelTokatl Well-Known Member
    Thread Starter
    78

    Dec 11, 2009
    580
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    78
    a lifehacker
    Southern California
    For those of you looking to either Enable JIT or Disable JIT on a ROM that has JIT built in (or you've manually flashed it) and decided you wanted to remove it. I had a little trouble searching so I figured i'd post it with a simple logical subject line for future searching.


    In the /System Directory you need to fine the file called:
    build.prop

    then edit the line:
    dalvik.vm.execution-mode=int:jit

    to say:
    dalvik.vm.execution-mode=int:fast

    and revsere it to enable it back (fast to jit)



    You can do this a few ways.

    1. use a file explorer on your phone (such as ES File Explorer) or Root Explorer find the direcotry /system make sure the drive is R/W (read/write).

    Open the file, build.prop, then scroll down to the bottom of the file and it should be within the bottom 5 lines and do as stated above.

    2. use adb commands, connect phone via USB.
    adb remount
    abd pull /system/build.prop build.prop

    on your PC find this in your c:\"androidsdkdirecotryhere"\tools\ and edit with your favorite text editor.

    then save the file, and go back to your cmd window and type
    adb remount
    abd pull /system/build.prop build.prop


    ***Credit goes to****
    tenzomonk
     

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  2. andrizoid

    andrizoid Well-Known Member
    163

    Mar 25, 2010
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    if the lib files arent there though this wont do anything. itd be better to use the patches, i have jit on.off patches for ww and ss, they may/may not work with other roms, and zachxtra has on/off patches for his too.
     
  3. rerwin

    rerwin Member
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    Jun 25, 2010
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    15
    How do you make your phone R/W? It won't let me open the build.prop file.
     
  4. IzelTokatl

    IzelTokatl Well-Known Member
    Thread Starter
    78

    Dec 11, 2009
    580
    90
    78
    a lifehacker
    Southern California
  5. rerwin

    rerwin Member
    15

    Jun 25, 2010
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    15
    I'm using Nonsensikal v16.1 and read that if I disable JIT it would run smoother. Is that not the case and is it not worth messing with?
     
  6. metlcat

    metlcat Well-Known Member
    93

    Oct 24, 2010
    547
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    Law School Student
    Nonsensikal is a cm6 ROM, so from the home screen try doing the following:
    menu>settings>cyanogen settings>performance>uncheck the box for JIT.
     
    rerwin likes this.
  7. rerwin

    rerwin Member
    15

    Jun 25, 2010
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    Should I update to GingerBread 2.3.3??
     
  8. metlcat

    metlcat Well-Known Member
    93

    Oct 24, 2010
    547
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    93
    Law School Student
    It's all preference. I like Gingerbread, but others don't. I'd suggest reading the GSB thread on this forum to see what people have said about it.
     
  9. IzelTokatl

    IzelTokatl Well-Known Member
    Thread Starter
    78

    Dec 11, 2009
    580
    90
    78
    a lifehacker
    Southern California
    should you or shouldn't you. Thats up to you. But, it doesn't hurt to try. Just do a nandbackup of your current setup.


    after that jump in the pool and see if you like it, if you dont, just wipe, and nandrestore and you only lost about an hour of your time.
     
  10. tproctor

    tproctor Well-Known Member
    43

    Feb 18, 2010
    179
    29
    43
    R&D Technician
    Pampa, Tx
    I came from Nonsensikal to GSB and it seems smoother to me.
     
  11. Praetorian

    Praetorian Well-Known Member
    38

    May 11, 2010
    180
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    IT Manager
    Las Vegas, NV
    Yes, yes you should. Its pure awesomness.
     

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