A1708 820-00840-a efi lock

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  • mantza
    Member
    • Sep 2020
    • 36
    • GREECE

    #61
    Re: A1708 820-00840-a efi lock

    Originally posted by peste
    try..
    ok, this worked, can you tell me what was different, did you clean me region? thanks anyway

    Comment

    • saarmas
      New Member
      • Mar 2020
      • 2
      • usa

      #62
      Re: A1708 820-00840-a efi lock

      i keep trying upon trying using rt809H programmer to reflash spi bios mx25l6405@soic16 and get nothing but write failure.

      Can anyone help?

      Slowly going crazy

      Comment

      • peste
        Super Moderator
        • Dec 2016
        • 12378
        • ROMANIA

        #63
        Re: A1708 820-00840-a efi lock

        Originally posted by saarmas
        i keep trying upon trying using rt809H programmer to reflash spi bios mx25l6405@soic16 and get nothing but write failure.

        Can anyone help?

        Slowly going crazy
        remove the bios chip from the motherboard before writing or reading, if you still use the clip, make sure it makes firm contact with the chips ...
        Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

        >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

        Every donation made will go towards server fees and maintenance costs.

        Comment

        • saarmas
          New Member
          • Mar 2020
          • 2
          • usa

          #64
          Re: A1708 820-00840-a efi lock

          Error: Detected CSE Extension 0x03 with wrong Partition Hash at FTPR > FTPR.man!

          motherboard 820-00239. A1706 emc 3071 sip flash

          It doesn't gave a problem reading just when I try to write it back
          Last edited by saarmas; 03-08-2021, 01:49 AM.

          Comment

          • calebmrivas
            New Member
            • Oct 2018
            • 2
            • United States

            #65
            Re: A1708 820-00840-a efi lock

            hello can any one help my to unlock my bin file is a a1708 820-00840-a
            thanks
            Last edited by SMDFlea; 04-07-2023, 02:01 PM.

            Comment

            • peste
              Super Moderator
              • Dec 2016
              • 12378
              • ROMANIA

              #66
              Re: A1708 820-00840-a efi lock

              Originally posted by calebmrivas
              hello can any one help my to unlock my bin file is a a1708 820-00840-a
              thanks
              try..
              Last edited by SMDFlea; 04-07-2023, 02:01 PM.
              Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

              >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

              Every donation made will go towards server fees and maintenance costs.

              Comment

              • jatoi
                Senior Member
                • Jan 2015
                • 82
                • pakistan

                #67
                Re: A1708 820-00840-a efi lock

                plese remove bios password
                Last edited by SMDFlea; 04-07-2023, 02:01 PM.

                Comment

                • peste
                  Super Moderator
                  • Dec 2016
                  • 12378
                  • ROMANIA

                  #68
                  Re: A1708 820-00840-a efi lock

                  Originally posted by jatoi
                  plese remove bios password
                  try
                  Last edited by SMDFlea; 04-07-2023, 02:01 PM.
                  Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

                  >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

                  Every donation made will go towards server fees and maintenance costs.

                  Comment

                  • calebmrivas
                    New Member
                    • Oct 2018
                    • 2
                    • United States

                    #69
                    Re: A1708 820-00840-a efi lock

                    Hello can anyone help me to clear my serial number or tell me how can i do it
                    thanks

                    Comment

                    • sunny0390
                      New Member
                      • Jan 2021
                      • 2
                      • Ekaterinburg

                      #70
                      Re: A1708 820-00840-a efi lock

                      hello! please help me remove the password from 820-00840-A

                      Comment

                      • peste
                        Super Moderator
                        • Dec 2016
                        • 12378
                        • ROMANIA

                        #71
                        Re: A1708 820-00840-a efi lock

                        Originally posted by sunny0390
                        hello! please help me remove the password from 820-00840-A
                        post the backup of the bios
                        Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

                        >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

                        Every donation made will go towards server fees and maintenance costs.

                        Comment

                        • porsche11
                          New Member
                          • May 2021
                          • 2
                          • kazahstan

                          #72
                          Re: A1708 820-00840-a efi lock

                          help remove the password of the account and bootloader and clean the ME region

                          Comment

                          • porsche11
                            New Member
                            • May 2021
                            • 2
                            • kazahstan

                            #73
                            Re: A1708 820-00840-a efi lock

                            Hello everyone, help to remove the password for the account and bootloader and clear the ME region

                            Comment

                            • peste
                              Super Moderator
                              • Dec 2016
                              • 12378
                              • ROMANIA

                              #74
                              Re: A1708 820-00840-a efi lock

                              Originally posted by porsche11
                              Hello everyone, help to remove the password for the account and bootloader and clear the ME region
                              post the backup of the bios
                              Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

                              >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

                              Every donation made will go towards server fees and maintenance costs.

                              Comment

                              • avnn
                                New Member
                                • Jul 2021
                                • 6
                                • india

                                #75
                                Anyone can help me with A1708 820-00840-a efi lock?

                                Anyone can help me with A1708 820-00840-a efi lock? Need to remove the efi lock. I have attached my bios file.


                                Thank you,
                                Last edited by SMDFlea; 04-07-2023, 02:01 PM.

                                Comment

                                • peste
                                  Super Moderator
                                  • Dec 2016
                                  • 12378
                                  • ROMANIA

                                  #76
                                  Re: Anyone can help me with A1708 820-00840-a efi lock?

                                  Originally posted by avnn
                                  Anyone can help me with A1708 820-00840-a efi lock? Need to remove the efi lock. I have attached my bios file.


                                  Thank you,
                                  try..
                                  Attached Files
                                  Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

                                  >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

                                  Every donation made will go towards server fees and maintenance costs.

                                  Comment

                                  • avnn
                                    New Member
                                    • Jul 2021
                                    • 6
                                    • india

                                    #77
                                    Re: Anyone can help me with A1708 820-00840-a efi lock?

                                    Originally posted by avnn
                                    Anyone can help me with A1708 820-00840-a efi lock? Need to remove the efi lock. I have attached my bios file.


                                    Thank you,
                                    Thank you its working

                                    Comment

                                    • joutrade
                                      Member
                                      • May 2015
                                      • 24
                                      • united kingdom

                                      #78
                                      Re: A1708 820-00840-a efi lock

                                      hello everyone , wish someone can help me . I got an A1708 2017 MaBook with burned bios chip. i try to read the chip but it is completely gone. I replace the chip with another chip from a faulty liquid damage board after rewrite the serial number. the board is working now but only in safe mode. any help please ? I keep try to read the original chip but no luck.

                                      Comment

                                      • piernov
                                        Super Moderator
                                        • Jan 2016
                                        • 4435
                                        • France

                                        #79
                                        Re: A1708 820-00840-a efi lock

                                        Of course you cleaned ME region right?
                                        OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

                                        Comment

                                        • chipmegatel
                                          New Member
                                          • Apr 2020
                                          • 3
                                          • Ukraine

                                          #80
                                          Re: A1708 820-00840-a efi lock

                                          Ok. But only tomorrow

                                          Comment

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