Apple A1466 820-00165 A

Discussion in 'BIOS/UEFI' started by 01ifix, Aug 7, 2016.

Apple A1466 820-00165 A 5 5 2votes
5/5, 2 votes

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  1. dam1inc

    dam1inc New Member

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    Hello Sir, I need help i have A1465 EMC 2924 i received, BAD EFI FLASH, No Original Dump, i try use many .bin for 820-00164-A but device always stuck on Apple Logo with white progress bar. What is this problem and how to solve sir.
    Thank you
     

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    #61 dam1inc, Aug 26, 2017
  2. 01ifix

    01ifix Well-Known Member

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    maybe need clear me
     
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    #62 01ifix, Aug 26, 2017
  3. dam1inc

    dam1inc New Member

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    Hey thanks for the response, I was thinking that was a possibility but wasn't sure because ive never had to do that so I guess I'll give that a shot and post results
    Thank you [emoji106]

    Sent from my SM-G955U using Tapatalk
     
    #63 dam1inc, Aug 27, 2017
  4. dam1inc

    dam1inc New Member

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    This worked for me @B4RDOCK thanks

    Sent from my SM-G955U using Tapatalk
     
    #64 dam1inc, Sep 2, 2017
  5. 01ifix

    01ifix Well-Known Member

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    good,
     
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    #65 01ifix, Sep 2, 2017
  6. nymphetamine52

    nymphetamine52 New Member

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    Hello friends! Greetings from Slovakia!
    I need help with unlock this dump. Can somebody help?
    I`ve tried many dumps which works but extreme slow. Maybe ME problem.
    Thank you
     

    Attached Files:

    #66 nymphetamine52, Oct 25, 2017
  7. technical

    technical Moderator Staff Member

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    #67 technical, Oct 25, 2017
  8. hgzy ahmd

    hgzy ahmd Well-Known Member

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    please how to remove password from attached bios
     

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    #68 hgzy ahmd, Nov 6, 2017
  9. technical

    technical Moderator Staff Member

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    #69 technical, Nov 6, 2017
  10. 03ifix

    03ifix Moderator

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    TRY THIS AND REPLY.
     

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    • Like Like x 1
    #70 03ifix, Nov 6, 2017
  11. hgzy ahmd

    hgzy ahmd Well-Known Member

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    thanks very much password removed and bios good working
     

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    #71 hgzy ahmd, Nov 6, 2017
  12. SDRAM1V1

    SDRAM1V1 New Member

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    how can you write a fil of 8M TO AN EEPROM 25P32 OF 4MB SO SAD
     
    #72 SDRAM1V1, Dec 22, 2017
  13. 01ifix

    01ifix Well-Known Member

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    what programmer you have ? i use RT809H
     
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    #73 01ifix, Dec 22, 2017
  14. SDRAM1V1

    SDRAM1V1 New Member

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    ITS NOT A PROBLEME TOOLS RT809 AND TL866 CAN EASY READ AND REWRIT
    THE REAL PROBLEM IS THAT SOM CHIP OR SOME EEPROM IC ARE PROTECTED FROM REWRITING WISH MEAN THAT YOU HAVE TO CHANGE YOUR EEPROM IC WITH ANOTHER ONE
     
    #74 SDRAM1V1, Dec 22, 2017
  15. 01ifix

    01ifix Well-Known Member

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    well in my case still not arrive any mobo with thic eeprom, protected ,
     
    #75 01ifix, Dec 22, 2017
  16. SDRAM1V1

    SDRAM1V1 New Member

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    HAVE YOU FORGET YOUR LAST POST WISH EXPLAINE CLEAR THAT YOU HAVE BEEN ENABLE TO REWRITE YOUR DUMP GN
     
    #76 SDRAM1V1, Dec 22, 2017
  17. 21ifix

    21ifix Moderator

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    because your method is wrong
    you need to have the method right to unlock
     
    #77 21ifix, Dec 22, 2017
  18. 21ifix

    21ifix Moderator

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    unprotect , i still can unlock it perfect
     
    #78 21ifix, Dec 22, 2017
  19. SDRAM1V1

    SDRAM1V1 New Member

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    i know your are an engineer man good luk
     
    #79 SDRAM1V1, Dec 22, 2017
  20. 01ifix

    01ifix Well-Known Member

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    hi in the error i have was about my old programmer dont detect correctly the chip eepro, now with RT809H i have no problem with any eeprom , if are protected for write but can read back up dump ,and use same bios dump
    if you are talking about efi password i can unlock it also
    try use 1.8 volt adapter for can read and write good
     
    #80 01ifix, Dec 22, 2017
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