MacBook Pro 13″ Touch Bar 2018 820-00850-A

Discussion in 'BIOS/UEFI' started by technical, Mar 30, 2019.

MacBook Pro 13″ Touch Bar 2018 820-00850-A 5 5 1votes
5/5, 1 vote

  1. technical

    technical Moderator Staff Member

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    MacBook Pro 13″ Touch Bar 2018 820-00850-A
    x941 MLB 051-02166
    820-00850 X941_LO.pdf
    820-00850-A.brd
    Schematics and Boardview, BIOS
     

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  3. drdyn

    drdyn New Member

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    How did you get it?
     
  4. technical

    technical Moderator Staff Member

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    yes, buy one VIP here
    Account Upgrades
     
  5. drdyn

    drdyn New Member

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    I'm more than happy to buy it, but that's not what I asked.

    I asked how you managed to get it.
    And most important where is that bios stored on the board (which IC)?
    How does it relate to the T2 chip?
     
  6. chipmunk

    chipmunk Well-Known Member

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    This is the Firmware for the T2 chip, not the BIOS for the Mac.
     
  7. jawaljawad37

    jawaljawad37 Well-Known Member

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    macbook air 2018 bios dump orginal
    staff member you can comfire that
     

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  8. technical

    technical Moderator Staff Member

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    motherboard code ?
     
  9. jawaljawad37

    jawaljawad37 Well-Known Member

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  10. technical

    technical Moderator Staff Member

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  11. jawaljawad37

    jawaljawad37 Well-Known Member

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    open dump and serche bios for version bios id mba8.1
     
  12. chipmunk

    chipmunk Well-Known Member

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    Looks authentic to me.
    How did you get it?
     
  13. technical

    technical Moderator Staff Member

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    Give me 1 picture of this bios chip position ?
     
  14. chipmunk

    chipmunk Well-Known Member

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    Apple ROM Version
    BIOS ID: MBA81.88Z.F000.B00.1905142221
    Model: MBA81
    EFI Version: 220.260.171.0.0
    Built by: [email protected]
    Date: Tue May 14 22:21:29 2019
     
  15. jawaljawad37

    jawaljawad37 Well-Known Member

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    i have not finiche work soulition in progresse
     
  16. technical

    technical Moderator Staff Member

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    i can help what more ?
     
  17. chipmunk

    chipmunk Well-Known Member

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    Are you reading by software or straight from the hardware?
     
  18. jawaljawad37

    jawaljawad37 Well-Known Member

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    no this dump is from ipsw
     
  19. 01ifix

    01ifix Well-Known Member

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    HOW READ
    how read bios ?
     
  20. jawaljawad37

    jawaljawad37 Well-Known Member

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    yes now we are sur apple have not change bios dump she just change protocol for R/W DUMP CHIP
     
  21. guzq

    guzq New Member

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