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    Breeze to install

    Scheduled Pinned Locked Moved Oneplus 6/6T
    15 Posts 6 Posters 1.7k Views 1 Watching
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      • MrT10001M Offline
        MrT10001 @Moem
        last edited by

        @moem Thank you. Got hold of another one and it is just so easy to install to.

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

        1 Reply Last reply Reply Quote 0
        • M Offline
          mw4jet
          last edited by

          So, what about cell service? 4G, provider etc.?

          I had a OnePlusOne that worked good, just couldn't use it because of the cell bands it needed were discontinued. I now have a Pixel 3a but it's 3G and that's a dud!

          I am looking to use the phone on a GSM network in the US

          MrT10001M 1 Reply Last reply Reply Quote 0
          • MrT10001M Offline
            MrT10001 @mw4jet
            last edited by

            @mw4jet Works fine for me on 4G. I am not in the US who seem hellbent on removing 3g and 4g bands, forgetting that Government agencies still use those bands and they are tried and tested technology. I remember when 3g arrived, so many issues, took a long time to iron the coverage out.

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

            1 Reply Last reply Reply Quote 0
            • M Offline
              mw4jet
              last edited by

              Thanks for the quick reply!! I would think 4G will be around for a while, so I may try and find a 6T.

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              • D Offline
                Dunbrokin
                last edited by Moem

                @mrt10001 said in Breeze to install:

                set it file transfer and copy the OB25 file to the root of the device (i.e. not in a folder)

                .....could somebody flesh out the details of this sentence please. Perhaps named file in the zip to transfer...and how one finds the root of the device! Help much appreciated!

                MrT10001M 1 Reply Last reply Reply Quote 0
                • MrT10001M Offline
                  MrT10001 @Dunbrokin
                  last edited by

                  @dunbrokin Attach the device to your PC and make sure the USB mode is set to file transfer. The device should then show up in the File manager ( I used windows 11). On the device icon open it up and you should see the usual Android folders etc. Copy the OB25 zip file to the device so it sits next to the folders and is not in a folder, this is important and is basically the root of the device. Then go to system update, check local update and select the OB25 zip file and follow the instructions.

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

                  S D 2 Replies Last reply Reply Quote 1
                  • S Offline
                    sven @MrT10001
                    last edited by sven

                    In the xda-developers page, there are two files labelled OB25.

                    VollaPhone22 (dual-boot of VollaOS and UT 20.04 OTA-5), Pocophone F1 (pmOS, edge)

                    MrT10001M 1 Reply Last reply Reply Quote 0
                    • MrT10001M Offline
                      MrT10001 @sven
                      last edited by

                      @sven There was only one labelled OB25 under the rollback ROMs to bring the OPO 6 back to Android 9. I will post the full title when I get a chance as I am not on my PC.

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

                      S 1 Reply Last reply Reply Quote 1
                      • S Offline
                        sven @MrT10001
                        last edited by

                        @mrt10001 That description is unambiguous. Thanks.

                        VollaPhone22 (dual-boot of VollaOS and UT 20.04 OTA-5), Pocophone F1 (pmOS, edge)

                        MrT10001M 1 Reply Last reply Reply Quote 0
                        • MrT10001M Offline
                          MrT10001 @sven
                          last edited by

                          @sven OB25 Rollback build:

                          OnePlus6Oxygen_22_OTA_054_all_1908302047_fulldowngrade_f019784c78234a67.zip

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

                          1 Reply Last reply Reply Quote 1
                          • D Offline
                            Dunbrokin @MrT10001
                            last edited by

                            @mrt10001 Thank you so much for taking the time to explain all this. Much appreciated.

                            D 1 Reply Last reply Reply Quote 0
                            • D Offline
                              Dunbrokin @Dunbrokin
                              last edited by

                              @dunbrokin
                              $ fastboot oem device-info
                              (bootloader) Verity mode: true
                              (bootloader) Device unlocked: true
                              (bootloader) Device critical unlocked: false
                              (bootloader) Charger screen enabled: true
                              (bootloader) enable_dm_verity: true
                              (bootloader) have_console: false
                              (bootloader) selinux_type: SELINUX_TYPE_INVALID
                              (bootloader) boot_mode: NORMAL_MODE
                              (bootloader) kmemleak_detect: false
                              (bootloader) force_training: 0
                              (bootloader) mount_tempfs: 0
                              (bootloader) op_abl_version: 0x0
                              (bootloader) cal_rebootcount: 0x31
                              OKAY [ 0.001s]
                              Finished. Total time: 0.001s

                              I cannot get adb to work....or give me any attached devices. Can only boot to recovery. No boot to stock or to twrp.

                              $ fastboot flash boot /home/monicap/ISOetc/lineage-20.0-20230124-recovery-enchilada.img
                              Sending 'boot_a' (65536 KB) OKAY [ 2.761s]
                              Writing 'boot_a' OKAY [ 0.522s]
                              Finished. Total time: 3.291s

                              But does not boot up on restart...only "the bootloader is unlocked....."screen.....Hmm! I think I must be bricked!!

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                              • Espionage724E Offline
                                Espionage724 @MrT10001
                                last edited by

                                @MrT10001 Thanks for the instructions! I was afraid I needed to mess with Msm from Windows or something but I wasn't aware of the flashable zips in that thread. I was running LineageOS 20 with F2FS unencrypted data and needed something to really work to revert all that fun to stock 😛

                                I rebooted to bootloader, fastboot booted TWRP, formatted data and everything except vendor partition, rebooted back to bootloader and fastbooted TWRP again, adb pushed OnePlus6Oxygen_22_OTA_054_all_1908302047_fulldowngrade_f019784c78234a67.zip to /sdcard, flashed it from TWRP, rebooted to System, and was greeted with the stock boot animation and OxygenOS 9.

                                My host OS is Ubuntu 23.04 so I got the UBports .deb and installed it with apt, opened it up from the launcher, and chose 20.04/devel. Some stuff downloaded, I followed the UBports prompt to go to Recovery, and eventually Ubuntu Touch booted up!

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