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MTP not working on Pixel 3a XL after OTA-25 update

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    • Z Offline
      zlamalp @Craig
      last edited by 22 Apr 2023, 16:03

      Hi @Craig,

      I can confirm your report. Phone is visible to PC when in recovery. It's strange, that device is using two different IDs/Names:

      When in fastboot menu (power + vol. down)

      Bus 006 Device 003: ID 18d1:4ee0 Google Inc. Nexus/Pixel Device (fastboot)
      

      When in UBports Recovery

      Bus 006 Device 004: ID 18d1:d001 Google Inc. Nexus 4 (fastboot)
      

      I could see various USB related messages in recovery logs, but can't really tell what they mean.

      I wonder if there is any way how to install older OTA and test this since Phone is not visible to ubports-installer.

      C 1 Reply Last reply 23 Apr 2023, 07:44 Reply Quote 1
      • C Offline
        Craig @zlamalp
        last edited by Craig 23 Apr 2023, 07:44

        @zlamalp This is not a solution for MTP, but a work around on the adb issue. I got this from some UT community members on Telegram.

        Shut down the phone, then press volume down and power to get into recovery mode. From there, adb still works. Do

        adb shell
        mount /data
        

        You will find your data inside the data directory and can push and pull, run backups, etc.

        1 Reply Last reply Reply Quote 0
        • D Offline
          dln949
          last edited by 10 Jun 2023, 00:56

          After updating to 20.04 I now am seeing this same problem on pixel 3.

          Two questions:

          1. How can I tell if this problem is being addressed by those people with the skills to address this? (I ask this in a positive way simply to know what the status is; my knowledge of such tech stuff is about 0.0.)

          2. I also noticed that on the device I can activate "Developer Mode", but if I then leave that screen and then go back into that same screen right away, developer mode has been turned off for some reason. Is this a problem, and is it related to the mtp problem?

          1 Reply Last reply Reply Quote 0
          • M Offline
            MrT10001
            last edited by MrT10001 6 Nov 2023, 08:48 10 Jun 2023, 06:21

            I have MTP working on my Pixel 3a(s) on Xenial and Focal.

            Set a Passcode, I always use a 4 digit code for my convenience.

            Enabled developer mode.

            Rebooted device and Developer Mode is still enabled.

            I do have Android Studio installed on my Windows 11 PC which gives me the latest Fastboot and ADB drivers.

            screenshot20230610_071053949.png screenshot20230610_071116849.png

            Above are two screenshots from my Pixel3a of my "custom" image on home and lock screen. Transferred by MTP along with a custom ringtone.

            I also use a decent quality USB-C cable for transfers.

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

            A 1 Reply Last reply 11 Jun 2023, 08:46 Reply Quote 0
            • A Offline
              arubislander @MrT10001
              last edited by 11 Jun 2023, 08:46

              @MrT10001 MTP shouldn't be dependent on ADB and fastboot drivers though, should it?

              πŸ‡¦πŸ‡Ό πŸ‡³πŸ‡± πŸ‡ΊπŸ‡Έ πŸ‡ͺπŸ‡Έ
              Happily running Ubuntu Touch
              Google Pixel 3a (20.04 DEV)
              JingPad (24.04 preview)
              Meizu Pro 5 (16.04 DEV)

              M 1 Reply Last reply 11 Jun 2023, 08:53 Reply Quote 0
              • M Offline
                MrT10001 @arubislander
                last edited by 11 Jun 2023, 08:53

                @arubislander It shouldn't, but I got rid of some excess drivers on my PC (Motorola was one) and my devices stopped getting picked up in explorer (convenience). I Updated Android Studio and they all worked again. So I must assume ADB drivers on a PC will affect transfer of media at the higher level.

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

                1 Reply Last reply Reply Quote 0
                • E Offline
                  etdoughe
                  last edited by 11 Jun 2023, 11:06

                  Same exact problem.. Was running OTA-23 on Pixel 3aXL, plugged my phone into PC (ubuntu 16.04), and Pixel 3a icon immediately popped up on applications bar. I clicked on this icon to backup all files from my phone. No problems. Upgraded to OTA-25, and when I plug phone back into computer (same cable same day), no icon pops up, and phone is not seen by lsusb or adb. Same issue whether developer mode on phone is enabled or not. I was hoping to experiment a bit with linphone but can't till computer recognizes phone again. Any help is greatly appreciated.

                  M 1 Reply Last reply 11 Jun 2023, 13:17 Reply Quote 0
                  • M Offline
                    MrT10001 @etdoughe
                    last edited by 11 Jun 2023, 13:17

                    @etdoughe Try installing Android Studio and see if that works.

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

                    E 1 Reply Last reply 11 Jun 2023, 17:22 Reply Quote 0
                    • E Offline
                      etdoughe @MrT10001
                      last edited by 11 Jun 2023, 17:22

                      @MrT10001. Thank you for the suggestion. Unfortunately it didn't work. Any other suggestions are greatly appreciated.

                      M 1 Reply Last reply 11 Jun 2023, 17:58 Reply Quote 0
                      • M Offline
                        MrT10001 @etdoughe
                        last edited by 11 Jun 2023, 17:58

                        @etdoughe I had it working through a windows 11 PC:

                        Pixel3AScreenshot.jpg

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

                        1 Reply Last reply Reply Quote 0
                        • M Offline
                          marlboro50 @zlamalp
                          last edited by marlboro50 6 Dec 2023, 15:28 12 Jun 2023, 15:26

                          @zlamalp I have exactly the same problem on my Pixel 3a. I reported it a few weeks ago. USB not working. No matter what I do. It works perfectly well with my older Aqaris E5Hd. Same OTA 25, same cables. It makes no difference if I use my Desktop or Laptop with Ubuntu 20.04.

                          1 Reply Last reply Reply Quote 0
                          • Z Offline
                            zlamalp
                            last edited by 12 Jan 2024, 15:52

                            Hi,

                            just to let you know this problem has been solved for me by upgrading to 20.04 base (OTA-3). I had to re-enable developer mode after the upgrade.

                            For some reason device is weirdly named by lsusb, but transfering files works again, adb shell too.

                            Bus 004 Device 002: ID 1209:0003 Generic pid.codes Test PID
                            
                            1 Reply Last reply Reply Quote 1
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