Surface 4 Pro BIOS locked

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  • olegzum
    Member
    • Apr 2018
    • 10
    • Ukraine

    #341
    Originally posted by shiyab

    hi try
    Good day, friend. Thank you very much. My Surface is unlocked. I have looked through and compared many locked and unlocked firmwares for these Surfaces, I have seen that 3F is changed to 3C, but in all firmwares this change is at different addresses. I still do not understand the pattern, there must be a change. Maybe you can tell me how to find the addresses that need to be changed?

    Comment

    • Sakihouse
      Member
      • Dec 2022
      • 36
      • Côte d'Ivoire

      #342
      HELLO
      I have Surface Pro 4 1724
      There is a password set on BIOS.
      Can anyone help me remove it, please.
      SN 041334670253
      Attached Files

      Comment

      • ERRA
        Member
        • Sep 2025
        • 44
        • Morocco

        #343
        Originally posted by Sakihouse
        HELLO
        I have Surface Pro 4 1724
        There is a password set on BIOS.
        Can anyone help me remove it, please.
        SN 041334670253
        TRY
        Attached Files

        Comment

        • Sakihouse
          Member
          • Dec 2022
          • 36
          • Côte d'Ivoire

          #344
          not unlocked
          my sory

          Comment

          • shiyab
            Badcaps Legend
            • Sep 2023
            • 1603
            • india

            #345
            Originally posted by Sakihouse
            not unlocked
            my sory
            hi try 2 file
            Attached Files

            Comment

            • Maxpower3
              Bad Veteran
              • Feb 2018
              • 1332
              • France

              #346
              Originally posted by Sakihouse
              not unlocked
              my sory
              try
              Attached Files

              Comment

              • Sakihouse
                Member
                • Dec 2022
                • 36
                • Côte d'Ivoire

                #347
                it's ok now
                thk a lot

                Comment

                • Maxpower3
                  Bad Veteran
                  • Feb 2018
                  • 1332
                  • France

                  #348
                  Originally posted by Sakihouse
                  it's ok now
                  thk a lot
                  which file did you use

                  ERRA
                  Click image for larger version

Name:	image.png
Views:	122
Size:	7.9 KB
ID:	3736151
                  This is the second time I've been behind you, I don't understand your files

                  shiyab

                  half is missing and why always have so many modifications for nothing



                  Last edited by Maxpower3; 09-30-2025, 08:24 AM.

                  Comment

                  • seesea1393
                    Member
                    • Mar 2025
                    • 13
                    • 中国

                    #349
                    please help me to clean my bios password?
                    Thanks and Advance!
                    Serial 036990154153
                    Attached Files

                    Comment

                    • peste
                      Super Moderator
                      • Dec 2016
                      • 13562
                      • ROMANIA

                      #350
                      Originally posted by seesea1393
                      please help me to clean my bios password?
                      Thanks and Advance!
                      Serial 036990154153
                      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

                      • seesea1393
                        Member
                        • Mar 2025
                        • 13
                        • 中国

                        #351
                        Originally posted by peste

                        try..
                        thanks

                        Comment

                        • Clarify4082
                          Senior Member
                          • Oct 2022
                          • 67
                          • USA

                          #352
                          Hi, I have a Surface Pro 4 - 256GB i5 8GB with no power issue. All voltages are available. I´ll like to check if it is a bios issue before I replace the Power-Ic.
                          The original bios is attached.
                          Serial: 038574160553
                          Attached Files

                          Comment

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