You can setup a Linux Android host to upgrade or recover a device.
Only a 64-bit Ubuntu 15.04 distribution is currently being tested. Other distributions are unknown at this time, but can be tried.
Android tools use fastboot to replace the kernel and root filesystem on devices.
Download Android SDK tools from here.
Extract the file and add the directory containing the fastboot command to your path.
By default, fastboot on Ubuntu can't communicate with a USB-connected device because of the default permissions. Create udev rules to overcome this. In the file /etc/udev/rules.d/51-android.rules insert the following two lines and save:
Then reboot your PC.
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