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    How to install UBports 16.04 on BQ E4.5 with limited storage?

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    • advocatuxA
      advocatux
      last edited by

      @marc_aurel you need to run fastboot erase cache before starting the installation.

      See https://github.com/ubports/ubports-installer/issues/6

      1 Reply Last reply Reply Quote 1
      • M
        marc_aurel
        last edited by

        Thanks for your help. The last suggestion did help to run the installation script without the storage space error. UBports installer shows a successful installation:

        installer screenshot

        Unfortunately the device remains stuck in recovery mode. I could validate this with adb get-state.

        device photo

        If I reboot with adb reboot, the old system 14.10 is booting. Some ideas?

        advocatuxA 1 Reply Last reply Reply Quote 0
        • advocatuxA
          advocatux @marc_aurel
          last edited by

          @marc_aurel if you get stuck in the recovery screen more time than the "normal", you can unplug and plug the phone (it seems that sometimes adb and fastboot keep fighting for the usb port control)

          M 1 Reply Last reply Reply Quote 0
          • M
            marc_aurel @advocatux
            last edited by

            @advocatux Thanks for your response. I tried the installation again:

            The UBport installer shows the „success“ message, but the device keeps in the recovery mode. I can access the device with adb.

            I seems, that the files are copied to the device, but the installation process hasn’t started.

            advocatuxA 1 Reply Last reply Reply Quote 0
            • advocatuxA
              advocatux @marc_aurel
              last edited by

              @marc_aurel how long is it stuck in the recovery screen? If it's too long, say more than 3 or 4 minutes, you can try to reboot the phone pressing and holding the power button until it reboots.

              I used that method successfully with my Nexus 5 a couple of times already 🙂

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              • M
                marc_aurel
                last edited by

                I have waited for half an hour, then I tried to reboot. The device doesn’T respond to the power button. I have to use adb reboot. But then the old system starts.

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                • M
                  marc_aurel
                  last edited by

                  Some more suggestions? The UBports Installer completes with a success message, but the new UBports version isn’t installed. Is there a different approach for installation, maybe with fastboot within terminal?

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                  • M
                    marc_aurel
                    last edited by

                    Finally I could manage to update the phone.

                    The update failed with macOS Mojave and my Windows 10 VM. Both systems seem to have driver problem although I'm able to flash phones with macOS Terminal commands. The update with my Linux VM failed either as I reported. Howsoever after I managed to clean the cache in the recovery mode on my phone, the process with Linux was successful. A assume, there is also driver or USB controller issue with MacBook Pro.

                    Thanks for your support. Sometimes one need to try it again and again and aigain.

                    advocatuxA 1 Reply Last reply Reply Quote 0
                    • advocatuxA
                      advocatux @marc_aurel
                      last edited by

                      @marc_aurel you're welcome. The usual issue with MacOS & the installer is that the necessary tools (adb & fastboot) are not in the user's $PATH and the user needs to fix that 🙂

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                      • M
                        marc_aurel
                        last edited by

                        @advocatux Thanks. I’ve installed the full Android SDK on my MacBook for App development. Is this a conflict?

                        advocatuxA 1 Reply Last reply Reply Quote 0
                        • advocatuxA
                          advocatux @marc_aurel
                          last edited by

                          @marc_aurel maybe the whole Android SDK is a little bit over the top but it shouldn't be a problem.

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