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    install ubuntu touch some question

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      • CzZC Offline
        CzZ
        last edited by

        Use UBports install to install Ubuntu touch, has been stuck in adb is scanning for devices, my data cable is original, the device is Redmi note9, Android version 10

        AppLeeA CzZC 2 Replies Last reply Reply Quote 0
        • AppLeeA Offline
          AppLee @CzZ
          last edited by

          HI @CzZ

          The usual trick is to change USB Cable and change USB port on the host computer.
          The original cable is sometime not a good one or not reliable for data communication.

          For example I have a nice braided cable that I mainly use for charging. When I tried data transfer it worked, but not great so I wouldn't trust it for flashing my device.

          As for the USB port, USB2 is recommended, my guess is that a slower communication is better to avoid communication issues 🤷

          CzZC 2 Replies Last reply Reply Quote 0
          • CzZC Offline
            CzZ @AppLee
            last edited by

            @AppLee ok,Let me try

            1 Reply Last reply Reply Quote 0
            • CzZC Offline
              CzZ @AppLee
              last edited by

              @AppLee My USB cable is 3.0, maybe that's why

              AppLeeA 1 Reply Last reply Reply Quote 0
              • AppLeeA Offline
                AppLee @CzZ
                last edited by

                @CzZ
                The port should be V2.
                A cable compatible with 3.0 should be fine, just need to have a good data connection.
                I tend to use cables I got for a SSD.

                CzZC 2 Replies Last reply Reply Quote 0
                • CzZC Offline
                  CzZ @AppLee
                  last edited by

                  @AppLee My computer's USB port is 3.20, the USB line is 3.0

                  1 Reply Last reply Reply Quote 0
                  • CzZC Offline
                    CzZ @AppLee
                    last edited by

                    @AppLee Ports and USB data cables can be scanned, and MIUI version can be degraded and upgraded, but they cannot be scanned in Ubuntu touch, presenting adb is Scanning for device and scanning for device. I think it may not be related to the hardware, but there is no problem in data transmission.

                    1 Reply Last reply Reply Quote 0
                    • MrT10001M Online
                      MrT10001
                      last edited by

                      Just to check your device is Redmi Note 9 (codname is merlin)? The devices boot loader is unlocked?

                      You are rebooting to the bootloader as per instructions?

                      Xiaomi Redmi Note 7.... And more...
                      I have too many devices...

                      CzZC 1 Reply Last reply Reply Quote 0
                      • CzZC Offline
                        CzZ @MrT10001
                        last edited by

                        @MrT10001 merlin BL Unlock,yes

                        MrT10001M 1 Reply Last reply Reply Quote 0
                        • MrT10001M Online
                          MrT10001 @CzZ
                          last edited by

                          @CzZ Are you installing through Windows or Linux or Mac?

                          Xiaomi Redmi Note 7.... And more...
                          I have too many devices...

                          CzZC 1 Reply Last reply Reply Quote 0
                          • CzZC Offline
                            CzZ @MrT10001
                            last edited by

                            @MrT10001 windows

                            1 Reply Last reply Reply Quote 0
                            • CzZC Offline
                              CzZ @CzZ
                              last edited by

                              @CzZ said in install ubuntu touch some question:

                              Use UBports install to install Ubuntu touch, has been stuck in adb is scanning for devices, my data cable is original, the device is Redmi note9, Android version 10

                              I was still troubled by this problem, I changed several ports and data cables, but still failed to solve the problem. After entering reborting, the phone would restart to Fastboot, and then entering adb Scanning for Devices. It took a long time to wait.

                              CzZC 1 Reply Last reply Reply Quote 0
                              • CzZC Offline
                                CzZ @CzZ
                                last edited by

                                @CzZ And the phone entered fastboot mode, how can adb scan the device, is it really not the program script execution problem?

                                CzZC 1 Reply Last reply Reply Quote 0
                                • CzZC Offline
                                  CzZ @CzZ
                                  last edited by

                                  @CzZ said in install ubuntu touch some question:

                                  @CzZ And the phone entered fastboot mode, how can adb scan the device, is it really not the program script execution problem?

                                  The method you provide is nothing more than changing the device and the USB port, which wasted me a whole day, why is it must be a hardware problem, how can ADB scan the phone in fastboot mode be scanned?

                                  1 Reply Last reply Reply Quote 0
                                  • MrT10001M Online
                                    MrT10001
                                    last edited by

                                    If things don't go to plan, you have to take a step back and check that you have followed the required steps:

                                    Bootloader unlocked - checked
                                    Correct version of Android - checked
                                    USB port changed - checked
                                    USB cable changed - checked
                                    Installer is 0.10.0 - checked
                                    Device functioned correctly under android - checked
                                    Device is merlin - checked

                                    Is the latest version of ADB and Fastboot installed on your PC (I use Android Studio as it has the latest versions and this solve a whole lot of issues)?

                                    If you haven't install them and in the Platform-Tools folder open a terminal and with the device in fastboot mode see if it picked up in fastboot.

                                    Xiaomi Redmi Note 7.... And more...
                                    I have too many devices...

                                    CzZC 2 Replies Last reply Reply Quote 0
                                    • CzZC Offline
                                      CzZ @MrT10001
                                      last edited by

                                      @MrT10001 BL Unlock
                                      Android 10.0
                                      installer 0.10.0
                                      adb 35.0.1
                                      OEM unlock
                                      USB port changed,
                                      USB cable changes
                                      adb yes
                                      fastboot yes
                                      mg.png
                                      android studio Latest edition

                                      1 Reply Last reply Reply Quote 0
                                      • CzZC Offline
                                        CzZ @MrT10001
                                        last edited by

                                        @MrT10001 The phone will reboot in the middle and the installer will go into adb scanning mode and stay stuck where

                                        MrT10001M 1 Reply Last reply Reply Quote 0
                                        • MrT10001M Online
                                          MrT10001 @CzZ
                                          last edited by

                                          @CzZ Install or boot TWRP (recovery) and ensure the Data partition is EXT4. Reboot to the bootloader connect to the PC and run the installer, but manually select the device from the drop down list.

                                          Xiaomi Redmi Note 7.... And more...
                                          I have too many devices...

                                          CzZC 1 Reply Last reply Reply Quote 0
                                          • CzZC Offline
                                            CzZ @MrT10001
                                            last edited by

                                            @MrT10001 After Rebort System, the phone will restart and then enter the fastboot interface. adb is Scanning for devices will appear in the downloader. If the phone is restarted, it will remain stuck in the fastboot interface until the system is reloaded

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