Mobox is a free 3rd party application for Nokia S60 3rd Edition devices like Nokia E61 and N70 as well as Blackberry Pearl 8100 that provides mobile access to the Box.net online storage service.

In addition to downloading and uploading files, Mobox can backup and restore your ringtones, pictures, contacts, events, todos and more. On select devices, Mobox can even play music and videos over http.

Download the Symbian Signed version for Nokia S60 3rd Edition here
The Blackberry version can be downloaded here