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    VOXL2 bricked and not entering forced Fastboot

    VOXL 2
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    • T
      TPSetati @TPSetati
      last edited by

      @TPSetati I am just realizing that the VOXL2 board was already in QDL mode before I switched SW2 to the ON position. Even if I switch it back to off, it remains in QDL mode. Is there another switch that could be causing this?

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      • tomT
        tom admin
        last edited by

        @TPSetati What does your hardware setup look like? Do you have anything else connected to your VOXL2?

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        • T
          TPSetati
          last edited by

          Our setup is similar to that on https://docs.modalai.com/voxl2-d0006/. All of this is on a Sentinel drone.

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          • tomT
            tom admin
            last edited by

            @TPSetati Depending on the sentinel kit it may have an add-on board attached to VOXL2 that has a SW2 switch as well.

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            • T
              TPSetati
              last edited by

              The add-on board we have connected is the WiFi board with its Fastboot button. The only SW2 I have spotted is the one depicted on https://docs.modalai.com/voxl2-qdl/.

              Before the system image got corrupted, everything worked fine and no buttons or switches were engaged. I am finding it weird that it seems that the board went into EDL mode upon corruption with no changes made to the hardware.

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              • tomT
                tom admin
                last edited by

                @TPSetati Interesting, do you know what happened that caused it to brick?

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                • T
                  TPSetati
                  last edited by

                  We flew the drone and had a semi-hard landing (I say semi-hard because we've had harder landings but the drone got back to flying easily). When we went in to check the drone, nothing was physically damaged. We just noticed that the WiFi was off.

                  We thought cycling the power would work, as it usually did, but this was not the case now. When trying to connect via ADB and noticed it didn't work, that's when we knew something was wrong.

                  We tried fastbooting the board, and that also was not working. So we realized that this problem is deeper than just a bricked board.

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                  • tomT
                    tom admin
                    last edited by

                    @TPSetati Yeah it definitely seems like there is some sort of hardware issue. It's possible something has become disconnected or unseated, I would double check all cable connections, camera connections, board to board connections, etc. A semi-connected or incorrectly connected cable / camera / board can cause inconsistent boot or power issues which may be what you're seeing.

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                    • T
                      TPSetati
                      last edited by

                      We'll have to take a look on our side then. Could we receive the schematics of the board and perhaps the source code for the qualcomm so we can test?

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                      • tomT
                        tom admin
                        last edited by

                        @TPSetati I'd recommend sending it in to us for an RMA so that we can do an inspection: https://www.modalai.com/pages/rma

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