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    Can I install UT over Lineage 16 (based on Android 9)?

    Scheduled Pinned Locked Moved Solved Oneplus 5/5T
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      • W Offline
        wally
        last edited by

        Hi all,
        I was having trouble getting stock Android 9 installed on a Onepllus 5, but did successfully install an older Lineage version,16, that's based on Android 9.
        Is this sufficient to install UT over, or do I need to figure out how to get regular, stock Android 9 on there first.
        Thanks for the help, and thanks to all who put so much work into UT!

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        • MrT10001M Offline
          MrT10001
          last edited by MrT10001

          You need the specific version of Android which is the custom one for Oneplus - OxygenOS 10.0.1. I have tried it on different ROMs and UT would not install.

          Download the ROM as a ZIP file. Download TWRP for "Cheesburger" from here.

          As you have installed Lineage, you must have the bootloader unlocked.

          Reboot to the bootloader and attach the device to your PC.

          Make sure it shows up using the fastboot command

          fastboot devices
          

          Once it is there install TWRP.

          fastboot flash recovery <path to TWRP>
          

          Reboot into recovery and using the advanced button, format the data partition and system partition to EXT4.

          Reboot to TWRP and do the wipe again as I have found it sometimes screws up first time.

          When you have done that, go to TWRP home and choose the advance option and choose ADB sideload.

          Then on the PC, make sure the device is present:

          adb devices
          

          Once it is then use the command

          adb sideload <path to your zipped Oxygen OS ROM 10.0.1>
          

          This should send the ROM to your device, once complete, reboot and it should boot to the OS.

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

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          • W Offline
            wally
            last edited by

            Thanks a lot for walking me through that! I hadn't realized that TWRP was different than the default recovery mode menu. Had been getting an error that my android zip file was unsigned.

            It all worked smoothly when I followed your instructions, and after a bit of fussing with the UBports installer, I've now got UBports on my OP5! Hope it works as smoothly as it did on my poor ol' OP1.

            In case of any other novices finding this post in the future, my minor issues when using the UBports installer were that I clicked a box to install Oxygen 9.0.11 firmware (or something like that. it said [Recommended]), and the installer would look for that forever then time out despite a functional internet connection. Not clicking that box, everything worked fine.
            Also, when starting the installer, it said I needed to be updated to the "newest" Oneplus OS, Oxygen 10.something. I'd heard 9 was necessary, and just decided to bypass that.

            MrT, thanks again!!

            LakotaubpL MrT10001M 2 Replies Last reply Reply Quote 0
            • LakotaubpL Offline
              Lakotaubp @wally
              last edited by

              @wally Please mark as solved as this will help others https://forums.ubports.com/topic/6311/how-to-ask-a-question-and-then-mark-it-as-solved

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              • MrT10001M Offline
                MrT10001 @wally
                last edited by

                @wally Sorry I forgot to mention to uncheck the Oxygen 9.011 firmware. Glad it all worked .

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

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