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    Upgrade Nexus 4 from UT 15.04 OTA 14 to latest 16.04

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      • V Offline
        vmotion
        last edited by

        Hi,

        I have a Nexus 4 that I flashed in 2016 to UT 15.04 OTA 14.
        When Canonical dropped the project I put the phone away in a drawer.
        Now that thanks to UBports the project is picking speed again, I'd like to update to latest version.

        Unfortunately, the "update" buttons in my 15.04 versions says I have the latest version. Impossible to upgrade.
        From what I've read, the UBports installer works to install UT from an Android phone, not from a previous UT release, and might render my phone useless.

        Anyone knows how I can safely upgrade this phone?

        Thanks,
        Regards,
        M.

        advocatuxA 1 Reply Last reply Reply Quote 0
        • V Offline
          vmotion
          last edited by

          I may add that running "system-image-cli -vvvv" on the command line returns several FileNotFound python Exception, about the following file:

          https://system-image.ubuntu.com/gpg/image-master.tar.xz.asc

          Any idea if this is related (I guess so) and how I can solve this issue?

          Much appreciated.
          M.

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          • advocatuxA Offline
            advocatux @vmotion
            last edited by

            @vmotion hi, the recommended way to upgrade your UT phone is using the UBports installer. That's the safe way 🙂

            As you said, Canonical dropped the ball so that Ubuntu system-image you linked won't work. UBports one is at http://system-image.ubports.com/

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            • V Offline
              vmotion
              last edited by vmotion

              Hi,

              Will it work? Doesn't UBports installer require an Android OS (on the phone)?

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

                @vmotion no, the installer works great on a UT phone 🙂

                Edit: of course you can adb to your phone (remember: developer mode on) or open the Terminal in your phone, and run sudo system-image-cli -vvvv --switch 16.04/stable too.

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                • U Offline
                  UniSuperBox
                  last edited by

                  It looks like your phone is still pointing at the Canonical system-image server. You will not be able to upgrade or switch channels until you use the UBports Installer to move to a build of Ubuntu Touch from UBports.

                  1 Reply Last reply Reply Quote 0

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