BlackBerry Curve 9320
BlackBerry Curve 9320 smart phone.
Has desktop software for Windows that wil back it up or synchronise with it. Dropbox notices when it is connected and offers to back up its pictures.
Download the desired .MP3 files to some location on your PC.
Connect the 'phone to your PC and use the 'sync media' or 'USB' option, either will do.
Navigate to /BlackBerry/ringtones on the 'phone and copy the ringtones there.
The files will be included amongst the pre-loaded ringtones. Their names will not be the filenames but the embedded name within the .MP3.
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Unknown Album - Track 5 - full track stick your job
Setup, Options, Device, Device and Status Information, type in 'test' (nothing is displayed).