BlackBerry is a line of mobile e-mail and smartphone devices developed by Canadian company BlackBerry Limited, formerly known as Research In Motion (RIM). Whilst including typical smartphone applications such as an address book, calendar and to-do lists, the BlackBerry is primarily known for its ability to send and receive Internet e-mail wherever it can access a mobile network of certain cellular phone carriers. The service is available in North America and in most European countries.
Install AUR. Barry is an application that provides backup and sync support for BlackBerry devices. As of 0.18.5, only devices older than the BlackBerry Z10 are supported. Synchronization support is provided via the OpenSync library. The Barry sources for versions 0.18.5 and below are available on sourceforge. Git based repositories for Barry also exist. 
Install either AUR or AUR. Sachesi is a tool for BlackBerry 10 devices allows one to install different versions of BB10 OS, make backups and restore from backups. Please see the forum thread on Crackberry for more information.