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  1. #1
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    Join Date
    Apr 2012
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    568

     
    if you have a problem Along with the trackpad try this solution:

    1: replace trackpad

    2: sometimes touch screen creates a problem so replace LCD

    3: reflow or replace keypad connector

    if still not work



    4: Turn on the phone Along with an attached keypad and make a short circuit between the ground and the L1904 for 1 second (I am using tweezer) * the phone will turns off* remowe the battery and put it back to turn on the phone.

    This solution it work for me on 100%

  2. #2
    Member
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    Apr 2012
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    1,918

     
    Well done sir*i you show me L1904 diagram on the board 9900 sir

  3. #3
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    Nov 2011
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    6,934

     
    Well done sir*sir can show me L1904 diagram on the board 9900 sir

  4. #4
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    Apr 2012
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    /

  5. #5
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    Nov 2011
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    7,093

     
    thanks a lot may *** bless you and your family * may you walk in the ligthe of *** not in darknees thank you sir.

  6. #6
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    Nov 2011
    Posts
    7,135

     
    sir* good morning i want solution to curve 3 charging point diagram thank you sir

  7. #7
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  8. #8
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    Join Date
    Nov 2011
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    7,135

     
    pls sir bold 9930 trackpad and touchpad not working even after replace.

    any to be helped


 
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