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Misunderstanding about ubuntu touch on Nexus 7

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    • L Offline
      Lakotaubp @taffymike
      last edited by 29 Dec 2018, 10:01

      @taffymike In your original post you said your model was 2012 hence my response. Only the one very specific wifi version works. If that is yours please have a go mine works very well.

      T 1 Reply Last reply 29 Dec 2018, 13:29 Reply Quote 0
      • ? Offline
        A Former User @taffymike
        last edited by A Former User 29 Dec 2018, 10:02

        @taffymike All Android devices are given a nickname for easier identification. The Nexus4 is Mako, my Nexus5 is Hammerhead, for example. Flo is the name of one of the Nexus7s.

        1 Reply Last reply Reply Quote 0
        • T Offline
          taffymike @Lakotaubp
          last edited by taffymike 29 Dec 2018, 13:29

          @lakotaubp Thank you. You have pointed out my silly mistake. My Nexus 7 is indeed the 2012 model and I should have observed the physical differences when watching the video. So if I want to brick my N7 I'll go ahead and try to install ununtu touch. Errm, not a good idea. Pity, as I'm hugely appreciative of Ubuntu since starting to use it as my day to day OS on my PCs.

          L 1 Reply Last reply 29 Dec 2018, 18:05 Reply Quote 0
          • L Offline
            Lakotaubp @taffymike
            last edited by 29 Dec 2018, 18:05

            @taffymike Hi on a slight tangent. I would now like to close the flagged item you posted as everything has now been covered today in your new posts.

            1 Reply Last reply Reply Quote 0
            • K Offline
              kugiigi
              last edited by 30 Dec 2018, 08:15

              Nexus 7 2012 WAS supported years ago but NOT anymore.
              Nexus 7 2013 Wifi-only (flo) is the one that's still supported until now in UBports.
              Nexus 7 2013 cellular (deb) is I think also supported but I'm not exactly sure.

              D 1 Reply Last reply 30 Dec 2018, 16:21 Reply Quote 0
              • D Offline
                doniks @kugiigi
                last edited by 30 Dec 2018, 16:21

                @kugiigi said in Misunderstanding about ubuntu touch on Nexus 7:

                Nexus 7 2013 cellular (deb) is I think also supported but I'm not exactly sure.

                Mostly yes, minus installer support

                1 Reply Last reply Reply Quote 1
                • Z Offline
                  zlamalp
                  last edited by 12 Jan 2019, 18:53

                  Dear @doniks,

                  I'm considering buying "Nexus 7 2013 cellular (deb)" and as you pointed out in many threads i found, there are problems with installation. But I'm not sure, what informations are current and how to install it on the device.

                  Would you be please so kind to share some sum up of "what works and what doesn't" and "how to install Utouch manually" on the device ? You seem to know about the issue a lot. Thank you.

                  Pavel

                  L D 2 Replies Last reply 12 Jan 2019, 21:00 Reply Quote 0
                  • L Offline
                    Lakotaubp @zlamalp
                    last edited by 12 Jan 2019, 21:00

                    @zlamalp I might be wrong but I believe it is still only the Nexus 7, 2013 WiFi version that is supported. OTA-7 has a fix for that model that shipped with android 5.1 https://ubports.com/blog/1/post/192

                    Z 1 Reply Last reply 13 Jan 2019, 06:36 Reply Quote 0
                    • Z Offline
                      zlamalp @Lakotaubp
                      last edited by 13 Jan 2019, 06:36

                      Hi @lakotaubp,

                      but I noticed there is a "Nexus 7 2013 (LTE)" item in ubports-installer (when you choose to select device manually). From various discussions I put together, that it should work if it's installed using some tricks. Older versions of nexus 7 are no longer supported by ubports (just old canonical image of 15.04 works).

                      I'd like to buy version with LTE and I can help with debugging if necessary to make it work. But if there isn't any plan to support this version, then I will rather go with WiFi only version of the tablet.

                      Pavel

                      L S 2 Replies Last reply 13 Jan 2019, 09:58 Reply Quote 0
                      • L Offline
                        Lakotaubp @zlamalp
                        last edited by 13 Jan 2019, 09:58

                        @zlamalp I'm really not sure then but until a definitive answer arrives here try asking in our welcome and install telegram group https://t.me/WelcomePlus

                        1 Reply Last reply Reply Quote 0
                        • S Offline
                          Stefano @zlamalp
                          last edited by 13 Jan 2019, 13:43

                          @zlamalp deb is on Ubports server, so I assume it should work. link text

                          Z 1 Reply Last reply 13 Jan 2019, 14:02 Reply Quote 0
                          • Z Offline
                            zlamalp @Stefano
                            last edited by 13 Jan 2019, 14:02

                            Hi @stefano,

                            I know its there, but there is also github issue related to this, that installation doesn't work an install different image (for wifi only version - flo), which fails to start or something like that.

                            https://github.com/ubports/ubuntu-touch/issues/643

                            Since @doniks participated in this discussions I kindly asked him for instructions. I don't feel like installing some twrp recovery or something like this, since I don't understand this much and I definatelly don't want to brick just bought device (even if second-hand).

                            And also from this github issue I'm nut sure, wheter "deb" is going to be kept between supported devices. Would be nice, if somebody from ubports could clarify it.

                            Thanks.

                            S 1 Reply Last reply 13 Jan 2019, 14:14 Reply Quote 0
                            • S Offline
                              Stefano @zlamalp
                              last edited by 13 Jan 2019, 14:14

                              @zlamalp Yeah, that would be good if someone clarify that. I just bought Flo, 32 Gb, was tempted to get Deb, but it was more expensive, so I went for Flo. I had issues in the past to install UT on Flo, now it should be fixed, so I'm gonna try again.

                              1 Reply Last reply Reply Quote 0
                              • L Offline
                                Lakotaubp
                                last edited by 13 Jan 2019, 15:39

                                Have a read of this it may help https://forums.ubports.com/topic/44/installing-ubuntu-on-nexus-7-2013-deb-lte Also use the forum search function to find other articles that may help

                                1 Reply Last reply Reply Quote 0
                                • Z Offline
                                  zlamalp
                                  last edited by 13 Jan 2019, 18:29

                                  Hi, @Lakotaubp, I'v read that. But it dates to 2016 and requires downloading some files from someones gdrive or knowledge of building own boot image etc. In the github issue linked by me is mentioned another approach (at least from my point of view). So I search for current status and installation guide. Also I want to know, if there is a goal to support LTE version.

                                  L 1 Reply Last reply 13 Jan 2019, 19:11 Reply Quote 0
                                  • L Offline
                                    Lakotaubp @zlamalp
                                    last edited by 13 Jan 2019, 19:11

                                    @zlamalp asked the question in the Telegram group so let's wait and see.

                                    1 Reply Last reply Reply Quote 0
                                    • D Offline
                                      doniks @zlamalp
                                      last edited by 15 Jan 2019, 06:06

                                      @zlamalp said in Misunderstanding about ubuntu touch on Nexus 7:

                                      Dear @doniks,

                                      I'm considering buying "Nexus 7 2013 cellular (deb)" and as you pointed out in many threads i found, there are problems with installation. But I'm not sure, what informations are current and how to install it on the device.

                                      Would you be please so kind to share some sum up of "what works and what doesn't" and "how to install Utouch manually" on the device ? You seem to know about the issue a lot. Thank you.

                                      Pavel

                                      Hey @zlamalp , I haven't tried again lately, but I'm pretty sure the "deb situation" is still the same.

                                      That means, the files necessary to install are on the server, however the installer somehow doesn't put them correctly onto the device. This means for installation you do need to break out the commandline and mess around. I don't think that there is a risk to permanently damage your device. At some point in between, yes you might run into a situation that it doesn't start anymore, but that is fixable.

                                      With respect to what's not working

                                      • installer as mentioned, and I think this includes OTA updates. So, you might have to do some commandline dance anytime you want an uptodate version.
                                      • bluetooth doesn't work. I assume that this is fixable, but probably needs a recompiled kernel

                                      Now, for actual cellular functionality ... I just cannot remember ... it's been so long that I haven't had a sim card for this thing. I actually assume that it works, because I think I would remember if it was broken ... but, again it's been years that I had a sim card inside. I actually wanted to reflash and try it, but I'm just not getting around to do it. I'm 95% sure it works. @zubozrout do you know?

                                      Everything else, I'd say "just works"

                                      With respect to continued support from ubports, that's always a tough question. Remember it's largely a volunteer run project. Resources are limited. That said, I don't see any reason why the support for deb should get worse.

                                      Hth, doniks

                                      Z 1 Reply Last reply 15 Jan 2019, 06:48 Reply Quote 0
                                      • Z Offline
                                        zubozrout @doniks
                                        last edited by zubozrout 15 Jan 2019, 06:48

                                        @doniks Yeah, LTE and everything else did work for me back when I was using http://system-image.tasemnice.eu/ubuntu-touch (currently dead) repository - which was based on the original Canonical images.

                                        The last time I had my "deb" in my hands (before I gave it away) I was trying to install Ubports on it after that original repo died and I can see that I was not able to make bluetooth and camera to work but I was hacking things on top of what was available so I guess that was the issue: https://forums.ubports.com/topic/44/installing-ubuntu-on-nexus-7-2013-deb-lte 🙂

                                        But ... even with these workarounds LTE did work for me 🙂 ... it was just a matter of having a correct "boot.img" flashed AFAIK.

                                        Btw, it seems pretty much everything worked for you at some point as well, including Bluetooth:
                                        https://forums.ubports.com/topic/44/installing-ubuntu-on-nexus-7-2013-deb-lte/23

                                        D 1 Reply Last reply 15 Jan 2019, 06:57 Reply Quote 0
                                        • D Offline
                                          doniks @zubozrout
                                          last edited by 15 Jan 2019, 06:57

                                          @zubozrout said in Misunderstanding about ubuntu touch on Nexus 7:

                                          @doniks Yeah, LTE and everything else did work for me back when I was using http://system-image.tasemnice.eu/ubuntu-touch (currently dead) repository - which was based on the original Canonical images.

                                          The last time I had my "deb" in my hands (before I gave it away) I was trying to install Ubports on it after that original repo died and I can see that I was not able to make bluetooth and camera to work but I was hacking things on top of what was available so I guess that was the issue: https://forums.ubports.com/topic/44/installing-ubuntu-on-nexus-7-2013-deb-lte 🙂

                                          But ... even with these workarounds LTE did work for me 🙂 ... it was just a matter of having a correct "boot.img" flashed AFAIK.

                                          Not sure if you can confirm camera working as well (?).

                                          Great! Thanks @zubozrout for the quick response and confirmation that LTE worked.

                                          I'm 95% sure that the boot.img (kernel) on the ubports system image server is that very file that originated from tasemnice, so all that knowledge is still relevant.

                                          Camera - good point. Another thing I barely use ... come to think of it, I might have actually not ever tried taking a picture with UT on deb. So, can't say.

                                          Ok, let me try turning around and listing some things that I CAN remember worked: touchscreen, sound, wifi, rotation, gps, usb file transfer, libertine, desktop mode and generally everything to do with system UI and apps, app updates.

                                          1 Reply Last reply Reply Quote 0
                                          • Z Offline
                                            zlamalp
                                            last edited by 15 Jan 2019, 12:36

                                            Hi @zubozrout and @doniks,

                                            so to put it together I should:

                                            • Get Ubuntu 16.04
                                            • Install required packages so following commands are available
                                            • Run following commands
                                            ubuntu-device-flash touch --channel=ubuntu-touch/stable/ubuntu --device=flo --bootstrap
                                            # Reboot into bootloader
                                            fastboot flash -w boot boot.img
                                            fastboot flash -w recovery recovery.img
                                            # Boot into recovery
                                            ubuntu-device-flash --server http://system-image.ubports.com touch --channel ubuntu-touch/rc-proposed
                                            

                                            But I'm not sure which channels etc. to use. I believe something like this would be more appropriate:

                                            ubuntu-device-flash --server http://system-image.ubports.com touch --channel ubuntu-touch/stable --device=deb
                                            fastboot flash -w boot boot.img
                                            fastboot flash -w recovery recovery.img
                                            

                                            NOTE: boot.img and recovery.img should be taken from the @zubozrout G-Drive: https://drive.google.com/file/d/0B_T_rjYvwUdgQ3RJMHhSLWVvY0E/view?usp=sharing

                                            D 2 Replies Last reply 15 Jan 2019, 19:48 Reply Quote 0
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