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Root Downgrade LG Optimus M from 2.2.2 to 2.2.1

Discussion in 'Android Devices' started by Eatyourowntaco, Sep 17, 2011.

  1. Eatyourowntaco

    Eatyourowntaco Newbie
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    Is there any successful way to downgrade from 2.2.2 to 2.2.1?? I updated my phone to 2.2.2 and lost root. Now im trying to get back to 2.2.1. any help please? :(
    Thank You
     

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    #1 Eatyourowntaco, Sep 17, 2011
  2. new optimus

    new optimus Android Expert
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    Jax Fl
    #2 new optimus, Sep 17, 2011
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  3. Eatyourowntaco

    Eatyourowntaco Newbie
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    #3 Eatyourowntaco, Sep 18, 2011
  4. new optimus

    new optimus Android Expert
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    check your antivirus, it may be hindering you.
    Also you need admin rights, turn off UAC.
     
    #4 new optimus, Sep 19, 2011
  5. Eatyourowntaco

    Eatyourowntaco Newbie
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    Thanks for the tip, but i had already figured everything out already, lol i am now back to 2.2.1 :D

    it was something on my laptop that was keeping it from working, that was probly it but i just switched over to my desktop and everything worked perfectly :)

    Thanks though :p
     
    #5 Eatyourowntaco, Sep 19, 2011
  6. Staticturbo

    Staticturbo Newbie
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    Where GPS says I live.
    I wish I can downgrade back to 2.2.1. Everytime I try this method, The part with the bin says (This file path is empty) Even though I have it placed in the slot. Any Ideas?
     
    #6 Staticturbo, Sep 22, 2011
  7. Eatyourowntaco

    Eatyourowntaco Newbie
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    The MS690 bin file may be corrupted or incomplete, maybe try to re download it again? or find another source to download it from?

    OPTIMUS M STOCK ROM.7z

    Try this.^
     
    #7 Eatyourowntaco, Sep 23, 2011
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  8. Staticturbo

    Staticturbo Newbie
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    Should I download 7zip or can I use winrar?
     
    #8 Staticturbo, Sep 24, 2011
  9. tripdoc79

    tripdoc79 Android Enthusiast
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    winrar will handle 7z files.. but if it doesnt work with you.. theres nothing wrong with installing something for more support
     
    #9 tripdoc79, Sep 24, 2011
  10. undacova

    undacova Android Enthusiast
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    Your just supposed to point lgnpst to that file, no unzip
     
    #10 undacova, Sep 24, 2011
  11. Staticturbo

    Staticturbo Newbie
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    Where GPS says I live.
    If I point Lgnst to it it wont take it unless its unzipped to have .bin at the end though.
     
    #11 Staticturbo, Sep 24, 2011
  12. pmb116

    pmb116 Android Enthusiast
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    No you have to unzip it. I'm thinking user error or his download is corrupt and he needs to redownload.
     
    #12 pmb116, Sep 24, 2011
  13. tripdoc79

    tripdoc79 Android Enthusiast
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    EDIT posted a link.. but its dead
     
    #13 tripdoc79, Sep 24, 2011
  14. Staticturbo

    Staticturbo Newbie
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    Where GPS says I live.
    Quick Update: The link that was posted by eatyourowntaco still gives me the error of This file path is empty.
     
    #14 Staticturbo, Sep 24, 2011
  15. RoccoSocco

    RoccoSocco Newbie
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    I am a total noob, but good at following directions. I tried the LGNPST method, but the "bin" area is greyed out and when I try to load the dll with file>load dll, the resulting popup window is empty.

    Any ideas on what I need to do?
     
    #15 RoccoSocco, Oct 5, 2011
  16. EdAndInn

    EdAndInn Well-Known Member
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    #16 EdAndInn, Oct 22, 2011
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