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Can't install UT on OnePlus 3T

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    • P Offline
      Pschit
      last edited by 7 May 2020, 11:09

      Hi,

      After checking the different options on this forum to solve my issue, I finally come to ask for help to find what I've missed...

      Pb1: with TWRP (https://twrp.me/oneplus/oneplusthree.html)
      After downloading image file with 'TWRP flash' function on my phone using TWRP official, the app can't find the file location when trying to 'backup existing recovery'

      Pb2: Using UBports, every time I try to install Ubuntu touch, the software says: Device connection lost and the screen is blocked on: "Preparing System Image"
      And the smartphone displays: the 'Android Recovery' page

      I followed below procedures:
      https://forums.ubports.com/topic/3636/oneplus-3t-installation-with-ubports-installer-0-4-14-beta
      https://forums.ubports.com/topic/3985/problems-installing-ut-on-oneplus-3t/2

      Thank you for your help !

      1 Reply Last reply Reply Quote 0
      • K Offline
        Keneda
        last edited by 7 May 2020, 12:10

        What is your PC os, windows, gnu/linux?

        2015-2023 : Meizu MX4 ☠️⚰️✝️
        2023-2024 : Nexus 5 ☠️⚰️✝️
        2024-***** : FPOS Fairphone 5 waiting UT for freedom 😉
        🇲🇫🇬🇧

        1 Reply Last reply Reply Quote 0
        • P Offline
          Pschit
          last edited by 7 May 2020, 12:20

          I have dual boot on my laptop but tried on both OS: Ubuntu20 and Win10

          1 Reply Last reply Reply Quote 0
          • N Offline
            NoelFlantier
            last edited by 7 May 2020, 13:20

            Have you rooted your phone with superSU?
            I had some trouble installing UT on my oneplus3t too at first, then I followed these instructions and it worked for me :
            https://forum.xda-developers.com/oneplus-3/oneplus-3--3t-cross-device-development/recovery-official-twrp-oneplus-3-3t-t3543391

            P 2 Replies Last reply 7 May 2020, 14:31 Reply Quote 0
            • L Offline
              Lakotaubp
              last edited by 7 May 2020, 13:52

              The main reason for your error is that all the partitions and cache need to be cleared and formated with TWRP as in this thread https://forums.ubports.com/topic/3253/oneplus-3-3t/420

              P 1 Reply Last reply 7 May 2020, 14:44 Reply Quote 0
              • P Offline
                Pschit @NoelFlantier
                last edited by 7 May 2020, 14:31

                @NoelFlantier , Thank you, but I'm stuck at stage 7.

                Terminal tells me: error: cannot load 'twrp.img': No such file or directory
                I've name my file twrp.img but don't know where to put it so the system will find it...
                Any clue ?

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                • P Offline
                  Pschit @Lakotaubp
                  last edited by 7 May 2020, 14:44

                  @Lakotaubp
                  Thanks for helping, however I'm new to this and I'm not sure to understand all the meaning of this thread.

                  I'm using TWRP App (see screen shot) and it looks quite different from what I've seen online
                  WHen I open it, it says: "device not rooted"
                  Then I still have the same screen as described before (see screenshot 2)

                  Screenshot_20200507-103858.jpg Screenshot_20200507-103840.jpg

                  L 1 Reply Last reply 7 May 2020, 14:52 Reply Quote 0
                  • L Offline
                    Lakotaubp @Pschit
                    last edited by 7 May 2020, 14:52

                    @Pschit No not that one you need to download the twrp recovery for your device use fastboot to install it then clear cache format partitions. I know that sounds complicated.
                    What I would do is read through that thread. You will see where join in and the full explanation is. Take your time, read, then try. I have only done this once and it does appear more complicated than it is. All the links to twrp recovery are in the thread. I'm on mobile so bit awkward to find them just now. Give it a try and just pop back with any questions.

                    P 1 Reply Last reply 9 May 2020, 13:58 Reply Quote 0
                    • P Offline
                      Pschit @NoelFlantier
                      last edited by 9 May 2020, 13:54

                      Hi @NoelFlantier

                      I've manage to go through all steps.
                      What am I supposed to do after that ?
                      Root the phone ? Not sure what/how to do that

                      Thx

                      1 Reply Last reply Reply Quote 0
                      • P Offline
                        Pschit @Lakotaubp
                        last edited by 9 May 2020, 13:58

                        Hi @Lakotaubp ,

                        I managed to install TWRP recovery but don't understand the next step about clearing cache format partition to ext4...
                        I'm stuck there for now, digging,
                        any clue is welcome

                        L 1 Reply Last reply 9 May 2020, 14:51 Reply Quote 0
                        • L Offline
                          Lakotaubp @Pschit
                          last edited by 9 May 2020, 14:51

                          @Pschit Reboot to the now TWRP recovery (vol down and power buttons held together). Use the twrp menu options there to fix system and data and cache. Data and cache should be ext4. Not sure exactly where to find them as only done this once. Then rerun the installer.
                          The other option was to boot to fastboot then when connected to a pc with fastboot type

                          fastboot format :ext4 cache && fastboot format :ext4 data
                          But don't think that worked for me but twrp did. All this is about 6/7 Nov in the OP3/3T thread.

                          P 1 Reply Last reply 9 May 2020, 15:40 Reply Quote 0
                          • P Offline
                            Pschit @Lakotaubp
                            last edited by 9 May 2020, 15:40

                            Success !! Thanks @Lakotaubp and @NoelFlantier

                            Here is a short summary of the actions I made:

                            • On PC: - Install "UBPorts" and "Minimal ADB and Fastboot"
                              - Download TWRP recovery image and put it in "ADB and fastboot" folder (in program files for Windows)

                            • On phone: - Change to developer settings, activate debugging USB and OEM unlock
                              - Download SuperSU zip file from chainfire

                            • On PC: in a terminal enter:

                            fastboot flash recovery twrp.img
                            

                            Then

                            fastboot boot twrp.img
                            
                            • On phone: When on bootloader plug your phone to PC's USB so TWRP Recovery will start
                              Click on Install
                              Look for superSU.zip file on your phone
                              Slide the arrow to the right
                              Phone will reboot at least 2 times

                            • On PC ; use again the fastboot boot twrp.img to restart TWRP
                              *On Phone: Click wipe
                              Then Repair and change format to ext4 for "System" "data" and "cache" folders
                              Then back to wipe menu select the 3 folders and slide the arrow to the right

                            • On PC: Launch UBPorts and install Ubuntu Touch

                            • On Phone: When you reach the Android recovery screen, go to Android data> android actions > Full factory reset

                            • On PC: launch installation again if needed

                            Then your done !

                            Helpful pages with download links:
                            https://forum.xda-developers.com/oneplus-3/oneplus-3--3t-cross-device-development/recovery-official-twrp-oneplus-3-3t-t3543391
                            https://forums.ubports.com/topic/3253/oneplus-3-3t/391

                            N L 2 Replies Last reply 9 May 2020, 15:55 Reply Quote 1
                            • N Offline
                              NoelFlantier @Pschit
                              last edited by 9 May 2020, 15:55

                              @Pschit congratulations! enjoy UT on your onePlus 3t 🙂

                              1 Reply Last reply Reply Quote 0
                              • L Offline
                                Lakotaubp @Pschit
                                last edited by 9 May 2020, 16:00

                                @Pschit Great☺welldone done now enjoy.

                                1 Reply Last reply Reply Quote 0
                                • C Offline
                                  CAnoop
                                  last edited by 7 Jun 2020, 09:38

                                  @Pschit Congrats on getting this to work. I have been breaking my head on this for sometime . I tried all your steps . After the Android actions-> Full Factory Reset -> Wipe data , it is loads one plus screen and loads to fastboot mode.
                                  Also i did small change in your steps i sideloaded supersu.zip through adb and twrp installed directly. Any advice will be helpful.

                                  P 1 Reply Last reply 7 Jun 2020, 18:47 Reply Quote 0
                                  • P Offline
                                    Pschit @CAnoop
                                    last edited by 7 Jun 2020, 18:47

                                    Hi @CAnoop,

                                    The only thing I think about regarding your question is that one of your folder has not been properly converted in ext4
                                    Make sure you try them 1 by 1 using "Repair" or "Change" functions
                                    If you have an error message saying you can't convert, then try using other functions of TWRP, you should be able to convert them all 3.

                                    Also, According to what I read in this forum, the "Android actions-> Full Factory Reset -> Wipe data" action is not always necessary.

                                    Good luck !

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