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    Unbrick Voxl2

    Ask your questions right here!
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    • tomT
      tom admin @CJ
      last edited by

      @CJ That may be okay, I would try forcing the voxl2 into fastboot using the SW2 button as seen here: https://www.youtube.com/watch?v=IM3PnW7cipQ

      then flashing the latest SDK release

      C 1 Reply Last reply Reply Quote 0
      • C
        CJ @tom
        last edited by CJ

        @tom Hi, I've completed the flashing of latest SDK release. But I'm not able to adb shell into the drone.

        Screenshot from 2023-10-31 09-49-47.png

        The condition remains the same even after I did a power cycle, adb kill-server and adb start-server. Pls help.

        tomT 1 Reply Last reply Reply Quote 0
        • tomT
          tom admin @CJ
          last edited by

          @CJ What operating system are you running? Are you using a virtual machine? I haven't seen this error before myself

          C 1 Reply Last reply Reply Quote 0
          • C
            CJ @tom
            last edited by

            @tom Hi Tom,
            The OS is ubuntu 22.04 and not on virtual machine.
            It seems like it cannot come out of fastboot mode and waiting for adb connection.

            tomT 1 Reply Last reply Reply Quote 0
            • tomT
              tom admin @CJ
              last edited by

              @CJ After rebooting, what do you see with lsusb?

              C 1 Reply Last reply Reply Quote 0
              • C
                CJ @tom
                last edited by CJ

                @tom Pls see the image below. The Google Inc.... (fastboot) is the drone usb.

                Screenshot from 2023-11-04 09-57-19.png

                tomT 1 Reply Last reply Reply Quote 0
                • tomT
                  tom admin @CJ
                  last edited by

                  @CJ If another QDL flash doesn't solve it, this might require an RMA for us to investigate: https://www.modalai.com/pages/rma

                  C 1 Reply Last reply Reply Quote 0
                  • C
                    CJ @tom
                    last edited by

                    @tom What will be the likely cause for the drone not getting out of fastboot mode?

                    tomT 1 Reply Last reply Reply Quote 0
                    • tomT
                      tom admin @CJ
                      last edited by

                      @CJ Unkown. Were you ever able to QDL successfully?

                      C 1 Reply Last reply Reply Quote 0
                      • C
                        CJ @tom
                        last edited by CJ

                        @tom Yes, the QDL is successful.

                        Screenshot from 2023-11-07 10-41-41.png

                        And installing the SDK is also successful but it just wait for adb interface to be up, which the usb is still in fastboot mode after power cycle.
                        Screenshot from 2023-11-07 10-48-51.png

                        Screenshot from 2023-11-07 10-49-23.png

                        tomT 1 Reply Last reply Reply Quote 0
                        • tomT
                          tom admin @CJ
                          last edited by

                          @CJ This is definitely abnormal which makes me think something hardware / power wise is causing the voxl2 to boot directly to fastboot. Your easiest resolution may be to submit an RMA so that you don't risk damaging your board further taking apart the drone

                          C 1 Reply Last reply Reply Quote 0
                          • C
                            ck @tom
                            last edited by

                            @tom , may I know what is the likely component that might need to replace to resolve this issues as the RMA cost of sending the drone may outweigh the replacement.

                            tomT 1 Reply Last reply Reply Quote 0
                            • tomT
                              tom admin @ck
                              last edited by

                              @ck Can't give you an answer as it would require an inspection from our team

                              1 Reply Last reply Reply Quote 0
                              • E
                                ErezI
                                last edited by

                                Hi,

                                I had the same problem.

                                You can try to transfer to the normal operation (& ADB)
                                by:
                                fastboot continue

                                and disconnect-connect the USB cable in order to enable
                                the USB change to ADB.

                                Erez

                                1 Reply Last reply Reply Quote 0
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