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Here is my problem: Lately I had a problem with my BQ Aquaris E4.5 Ubuntu Edition that had me reinitialize it to factory settings. Now it works aproperly but I can't use adb.

I have Ubuntu 16.04 LTS in the computer, I have done the latest OTA updates on my phone, developer mode is enabled and code protected, I have installed all phablet-tools and parametered ~/.android/adb_usb.ini and /etc/udev/rules.d/51-android.rules according to what I found on the internet (I can post it if you want) but still when I run adb kill-server && adb devices, I keep getting:

* daemon not running. starting it now on port 5037 *
* daemon started successfully *
List of devices attached 
JU025119    unauthorized

Can anybody help?

bsl
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1 Answers1

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When doing a factory reset adb will be turn off by default. You can change this by using the --developer-mode argument with the ubuntu-device-flash command. You will also need to provide a password and wipe the device like so:

ubuntu-device-flash --channel ubuntu-touch/stable/bq-aquaris.en --wipe --developer-mode --password=password123

If you have already factory reset without enabling developer mode you can enable it from the settings app if you go to "About" > "Developer mode" and tap the "Developer Mode" switch. You will need to add a password or pin before you can enable developer mode.

Brian Douglass
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  • I hadn't seen your answer when writing mine, thank you for your help :) – bsl Mar 15 '17 at 07:50
  • Actually, I just flashed it back and it didn't solve the problem, I still get "unauthorized" and no authorization asked by the phone where I have enabled dev mode and where my screen is unlocked and on the main menu. – bsl Mar 15 '17 at 08:34
  • @bsl sometimes I find that I'll need to reconnect the usb cable connecting my laptop & phone. If that doesn't solve it then maybe try restarting adb and/or the phone. – Brian Douglass Mar 15 '17 at 13:45