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    进入UMS不对

    Pi 4B
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    • J
      jugg last edited by

      53105e36-6632-4b98-8ce7-5c0f446cff5b-image.png
      刷不了uboot 系统也进不去 怎么办？

      G 1 Reply Last reply Reply Quote 0
      • J
        jugg last edited by

        aa350a9d-f535-4977-833e-187022bd93aa-image.png

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        • G
          george @jugg last edited by

          @jugg 升级uboot需要进入loader模式或者maskrom模式，不是UMS

          J 1 Reply Last reply Reply Quote 0
          • J
            jugg @george last edited by

            @george
            短接了这个9407aed7-b31f-41b9-bcd8-250d1f687a09-image.png
            但是进不去maskrom模式 识别到了Found One MSC Device 也没法刷
            f66e217e-f34a-4504-b5b8-bd6a8456e96f-image.png
            按照这个接的上面的U

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            • J
              jack_admin @jugg last edited by

              @jugg 保持短接，断电再重新上电（usb线先拔掉）

              J 1 Reply Last reply Reply Quote 0
              • J
                jugg @jack_admin last edited by

                @jack_admin
                反复试了几次都不行
                最后换了个emmc 才行

                J 1 Reply Last reply Reply Quote 0
                • J
                  jack_admin @jugg last edited by

                  @jugg 短接maskrom不需要额外按压powerkey按键

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                  • J
                    jugg @jack_admin last edited by

                    @jack_admin 哦

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