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Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

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    #21
    Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

    Originally posted by dadayal82 View Post
    Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file is attached
    Its Admin Password locked, Please Help
    Bios Dump is Attached, Thanks in advance
    Its Admin Password locked, Please Help
    Bios Dump is Attached, Thanks in advance

    Dell Latitude 5521
    Service Tag: 4RT8JL3
    Express Service Code: 10388823591
    213254-1
    Broadmoor 15 TGL-H 12L

    Bios Dump from WINBOND
    W25Q80EW [1.8V] 8 Mbits, 1 Mbytes
    Attached Files
    Last edited by dadayal82; 10-15-2023, 08:00 PM. Reason: Forgot to Attach File

    Comment

      #22
      Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

      Originally posted by dadayal82 View Post
      Its Admin Password locked, Please Help
      Bios Dump is Attached, Thanks in advance

      Dell Latitude 5521
      Service Tag: 4RT8JL3
      Express Service Code: 10388823591
      213254-1
      Broadmoor 15 TGL-H 12L

      Bios Dump from WINBOND
      W25Q80EW [1.8V] 8 Mbits, 1 Mbytes
      posted bios is 1MB only
      it should be 32MB

      Comment

        #23
        Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

        Originally posted by qayyum786 View Post
        posted bios is 1MB only
        it should be 32MB

        This is what i got from winbond chip on my dell motherboard using ch341a usb programmer with Neoprogrammer after reading the chip.

        Comment

          #24
          Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

          send bios chip image

          Comment

            #25
            Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

            Originally posted by qayyum786 View Post
            send bios chip image
            Attached
            Attached Files

            Comment

              #26
              Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

              Originally posted by dadayal82 View Post
              Attached
              You must choose chips with code for example 25Q256...
              ----------------------------------------------------------------------------------------------------------------------------------------------------------
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              Become a Badcaps supporter
              >>>>> click on this link to donate <<<<<
              Thanks to all supporters.
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              Comment

                #27
                Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

                Originally posted by hoaca388 View Post
                You must choose chips with code for example 25Q256...
                Yes just found one more winbond chip on other side of motherboard. But it is really closely soldered with board and hard to read with sop8 test cable.
                Attached Files

                Comment

                  #28
                  Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

                  Originally posted by dadayal82 View Post
                  yes just found one more winbond chip on other side of motherboard. But it is really closely soldered with board and hard to read with sop8 test cable.
                  ccc
                  Attached Files
                  ----------------------------------------------------------------------------------------------------------------------------------------------------------
                  All donations to Badcaps are welcome.
                  Become a Badcaps supporter
                  >>>>> click on this link to donate <<<<<
                  Thanks to all supporters.
                  ----------------------------------------------------------------------------------------------------------------------------------------------------------​

                  Comment

                    #29
                    Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

                    Originally posted by hoaca388 View Post
                    ccc
                    Already ordered this cable, waiting for the delivery.

                    Comment

                      #30
                      Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

                      Originally posted by hoaca388 View Post
                      ccc
                      Received the cable & already got the bios from the chip.
                      Please help what to do next, file was around 32mb now.
                      please patch it or teach me how to edit it to remove the password.
                      Thanks in advance to all the heroes.
                      Attached Files

                      Comment

                        #31
                        Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file

                        Originally posted by dadayal82 View Post
                        Received the cable & already got the bios from the chip.
                        Please help what to do next, file was around 32mb now.
                        please patch it or teach me how to edit it to remove the password.
                        Thanks in advance to all the heroes.
                        Hello try this file i hope it helps ....

                        I wrote a Linux shell script and use egrep to search for FCAA and FDAA in the locked file.
                        The whole thing is written into a Markdown file to compare where FCAA and FDAA appear, then use the wonderful program HxD Editor to change the values from AA to 00.
                        That should be it, I'm not a professional and I can make mistakes.
                        You can compare the result in the picture.
                        Attached Files

                        Comment

                          #32
                          Hello, I hope I am not hijacking any threads.
                          I need help unlocking the BIOS for the below laptop if anyone can kindly assist.

                          Dell Latitude 5521 i7-11850H@2.50Ghz 11th Gen Bios vs 1.23
                          Service Tag: GNXDHG3-8FC8
                          Express Service: 36275295891

                          UPDATE: BIOS dump now attached

                          Thanks
                          Attached Files
                          Last edited by fabjodo; 12-04-2023, 06:15 AM.

                          Comment

                          • fabjodo
                            #32.1
                            fabjodo commented
                            12-08-2023, 03:00 PM
                            Editing a comment
                            Anyone able to advise please?
                          • volinakis
                            #32.2
                            volinakis commented
                            12-08-2023, 04:09 PM
                            Editing a comment
                            your bios dump is ... strange. what programmer did you use to make the dump? It should have 33.554.432 bytes and it has 22.806.412 bytes and has no volumes. and .rcv extension is for a bios recovery image, did you get it from bios update? It has no use, you have to dump the bios chipset from your motherboard.
                          • fabjodo
                            #32.3
                            fabjodo commented
                            12-10-2023, 10:08 AM
                            Editing a comment
                            thanks for your reply volinakis. Is it necessary to use a programmer to dump the Bios? Sorry for the stupid question. This laptop's USB ports are blocked. I can still log in into Windows with my fingerprint but the OS keeps hanging for some reason. I managed to connect it to another laptop on the home LAN and created that BIOS dump with some DOS command I cannot remember now. Is there any other way to generate it?
                          #33
                          Originally posted by Markus1741 View Post
                          Re: Dell Latitude 5521 - broadmoor 15 TGL-H BIOS file



                          Hello try this file i hope it helps ....

                          I wrote a Linux shell script and use egrep to search for FCAA and FDAA in the locked file.
                          The whole thing is written into a Markdown file to compare where FCAA and FDAA appear, then use the wonderful program HxD Editor to change the values from AA to 00.
                          That should be it, I'm not a professional and I can make mistakes.
                          You can compare the result in the picture.
                          still don't get it after 6 months, huh? strings you have to search for are xx00FCAA and xx00FDAA. And why write "Linux shell script and use egrep to search for FCAA and FDAA" when HxD has the function to search for hex or text? Just to show off or your capacity to think is reduced?
                          Attached Files
                          ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
                          https://www.badcaps.net/donate/
                          ----------------------------------------------------------------------------------------------------------------------------------------------------------------------

                          Comment

                            #34
                            Originally posted by volinakis View Post

                            still don't get it after 6 months, huh? strings you have to search for are xx00FCAA and xx00FDAA. And why write "Linux shell script and use egrep to search for FCAA and FDAA" when HxD has the function to search for hex or text? Just to show off or your capacity to think is reduced?
                            He`s smarter than me,i can`t code at all.I looked at one of Markuses shell scripts and it just looks like this to me

                            Click image for larger version Name: cca2412d0d8357b3f2f539ce9669c18e.png Views: 489 Size: 570.4 KB ID: 3157314
                            All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                            Comment

                            • volinakis
                              #34.1
                              volinakis commented
                              12-04-2023, 09:44 AM
                              Editing a comment
                              yep, he thinks he discovered warm water and walking.
                            #35
                            @fabjodo - yes, you have to use a programmer, read BIOS guides from this forum.
                            https://www.badcaps.net/forum/troubl...t=phoenix+bios
                            ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
                            https://www.badcaps.net/donate/
                            ----------------------------------------------------------------------------------------------------------------------------------------------------------------------

                            Comment

                              #36
                              hey
                              need help im looking bios from my dell latitude 5521
                              BROADMOOR 15 TGL-H UMA
                              203040-1
                              N4KYK$CA

                              Comment

                              • SMDFlea
                                #36.1
                                SMDFlea commented
                                02-12-2024, 09:18 AM
                                Editing a comment
                                RULES UPDATE for BIOS requests/offers AVOID BANNING, READ BEFORE POSTING
                                https://www.badcaps.net/forum/troubl...before-posting

                                You MUST:
                                • Provide the full machine model number, serial number (or Service tag, SNID) and the board model number (see https://www.badcaps.net/forum/showthread.php?t=88758 ) ,The serial number, make, full model number, motherboard model and revision (except QR codes) must be written/typed at your request as per the rules. Not as a picture, part of the file name and so on.
                                • Provide a BIOS/EC dump if possible
                                • Attach files directly to your post instead of linking to external websites
                                • Post what the problem is, be specific, - black screen, no boot, running slow, password.Do NOT post "clean me", "clear bios", "clean bios", "bios need" or other such terms
                              #37
                              Hello, Dell Latitude 5521 bios password locked,

                              Board : 203005-1 BROADMOOR 15 TGL-H 12L , i7 + discrete video
                              Service Tag : 29M1SG3
                              Express Service code : 4934795331

                              Tried to unlock it myself without succes.
                              I've attached original bios dump.

                              Thanks for your support!!

                              Attached Files

                              Comment

                                #38
                                Originally posted by cristiannec View Post
                                Hello, Dell Latitude 5521 bios password locked,

                                Board : 203005-1 BROADMOOR 15 TGL-H 12L , i7 + discrete video
                                Service Tag : 29M1SG3
                                Express Service code : 4934795331

                                Tried to unlock it myself without succes.
                                I've attached original bios dump.

                                Thanks for your support!!
                                Send to you, try
                                Attached Files

                                Comment

                                  #39
                                  Originally posted by minhdigital View Post

                                  Send to you, try
                                  Hello, thanks , but it's not working.
                                  Power led blink and restarts.No image

                                  Comment

                                    #40
                                    Originally posted by cristiannec View Post

                                    Hello, thanks , but it's not working.
                                    Power led blink and restarts.No image
                                    try. on first boot be patient. reset security setting to defaults.
                                    Attached Files

                                    Comment

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