Как установить ubuntu-device-flash в Ubuntu 14.04?

Я пытаюсь установить ubuntu-device-flash в Ubuntu 14.04 (64 бита). Я следую инструкциям здесь : Подготовьте свой рабочий стол Ubuntu

Я делаю:

sudo add-apt-repository ppa:ubuntu-sdk-team/ppa  
sudo add-apt-repository ppa:phablet-team/tools  
sudo apt-get update  
sudo apt-get upgrade  
sudo apt-get dist-upgrade  

... и наконец sudo apt-get install ubuntu-device-flash

дает

Reading state information... Done  
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.  
The following information may help to resolve the situation:

The following packages have unmet dependencies:  
 ubuntu-device-flash : Depends: click-ubuntu-policy but it is not installable  
                       Depends: ubuntu-snappy-cli but it is not installable
E: Unable to correct problems, you have held broken packages.

Что нужно сделать для успешной установки?