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Re: Soft-bricked Nexus 7 with Ubuntu Phone

 

Hi András, 

Thanks for the guide. I'll check it out this weekend and report how it went.

Such troubleshooting information should be included in the Ubuntu Touch wiki somewhere. 

"András Mamenyák" <mamenyaka@xxxxxxxxx>이 씀:
>Follow this guide <http://developer.android.com/tools/device.html>
>(from
>step 3) to make your device detection work.
>You should just copy over the two .zip files, then flash .zip from
>sdcard
>in recovery.
>
>
>On Thu, Jul 25, 2013 at 7:15 PM, John Kim <johnkim.ubuntu@xxxxxxxxx>
>wrote:
>
>>  On 07/25/2013 10:09 AM, Daniel wrote:
>>
>> Am 25.07.2013 19:03, schrieb John Kim:
>>
>> On 07/25/2013 09:45 AM, András Mamenyák wrote:
>>
>>  Hi!
>> You should use fastboot in fastboot mode, not adb.
>> And you should simply reboot into recovery and flash the ubuntu files
>(you
>> have adb there too)
>>
>>
>> On Thu, Jul 25, 2013 at 6:32 PM, John Kim
><johnkim.ubuntu@xxxxxxxxx>wrote:
>>
>>>  Hello all,
>>>
>>> My name is John Kim, a newcomer to the Ubuntu Phone community, and I
>>> contribute to Ubuntu Docs and Quality team.  For the Quality team, I
>intend
>>> to start writing automated testcases for core apps.  My first task
>will be
>>> the music-app.
>>>
>>> My development environment is complete.  I installed the Ubuntu SDK
>and
>>> Qt Creator on my 13.10 laptop, and I successfully installed Ubuntu
>Phone
>>> into my Nexus 7 as well as SSH to it.  I personally prefer to ssh
>over USB
>>> than over IP because it's just faster.
>>>
>>> Normally, after minutes of inactivity, my Nexus 7 will power off on
>its
>>> own.  I can power again after holding the power button for a moment.
> But
>>> as soon as I ran the music-app testcases with my Nexus 7 plugged in
>>> (QtCreator recognized it and set the device as development), which
>failed,
>>> my Nexus 7 was missing a music and video app icon.  *When it powered
>>> down, my Nexus 7 would get stuck perpetually in the Google screen
>with the
>>> unlocked lock image at the bottom. * The only way I could turn it
>off
>>> was hold the power and the volume down button, and go to "Power
>Off";
>>> otherwise, my Nexus 7 will reboot back to the boot screen over and
>over
>>> again.
>>>
>>> I would like to know how I can restore my device with a fresh Ubuntu
>>> Phone build.  I haven't tried yet, but I'm quite sure that 'adb
>devices'
>>> won't recognize my Nexus 7 on neither the fastboot mode nor the
>Google
>>> screen.
>>>
>>> Thanks!
>>>
>>> --
>>> John Kim
>>> Ubuntu QA & Doc Contributorjohnkim.ubuntu@xxxxxxxxx
>>>
>>>
>>> --
>>> Mailing list: https://launchpad.net/~ubuntu-phone
>>> Post to     : ubuntu-phone@xxxxxxxxxxxxxxxxxxx
>>> Unsubscribe : https://launchpad.net/~ubuntu-phone
>>> More help   : https://help.launchpad.net/ListHelp
>>>
>>>
>>  Hi!
>>
>> I entered fastboot mode, but running 'fastboot devices' shows
>nothing.
>> On recovery mode, 'sudo adb kill-server; sudo adb start-server; adb
>> devices' shows no devices as well, even when I start sideload.
>>
>> How exactly do I flash ubuntu files?
>>
>> --
>> John Kim
>> Ubuntu QA & Doc Contributorjohnkim.ubuntu@xxxxxxxxx
>>
>>
>>
>>  what is the output of
>> lsusb
>> or
>> dmesg | tail
>>
>>
>>  Hi Daniel,
>>
>> The outputs of lsusb and dmesg are...
>>
>> *john@kotux:~$ lsusb*
>> Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching
>Hub
>> Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching
>Hub
>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> Bus 001 Device 003: ID 04f2:b217 Chicony Electronics Co., Ltd Lenovo
>> Integrated Camera (0.3MP)
>> Bus 002 Device 017: ID 18d1:4e40 Google Inc.
>> *john@kotux:~$ dmesg | tail*
>> [51516.226040] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz),
>(300
>> mBi, 3000 mBm)
>> [54988.705131] kvm: disabled by bios
>> [54988.713699] kvm: disabled by bios
>> [55663.698675] systemd-hostnamed[4006]: Warning: nss-myhostname is
>not
>> installed. Changing the local hostname might make it unresolveable.
>Please
>> install nss-myhostname!
>> [56352.199773] usb 2-1.2: new high-speed USB device number 17 using
>> ehci-pci
>> [56352.293273] usb 2-1.2: New USB device found, idVendor=18d1,
>> idProduct=4e40
>> [56352.293285] usb 2-1.2: New USB device strings: Mfr=1, Product=2,
>> SerialNumber=3
>> [56352.293290] usb 2-1.2: Product: Android
>> [56352.293295] usb 2-1.2: Manufacturer: Google, Inc
>> [56352.293300] usb 2-1.2: SerialNumber: 015d2****
>>
>> From the warning, should I install nss-myhostname?
>>
>> --
>> John Kim
>> Ubuntu QA & Doc Contributorjohnkim.ubuntu@xxxxxxxxx
>>
>>
>> --
>> Mailing list: https://launchpad.net/~ubuntu-phone
>> Post to     : ubuntu-phone@xxxxxxxxxxxxxxxxxxx
>> Unsubscribe : https://launchpad.net/~ubuntu-phone
>> More help   : https://help.launchpad.net/ListHelp
>>
>>

-- 
Sent from my Android phone with K-9 Mail. Please excuse my brevity.

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