When I am sending a mail though android with an audio attachment, the downloaded file has the name “noname” and it is not played by any media player.
When the extension of the file is changed to .3gp, then the file works with gom player, vlc etc. Why is this so? And what is the remedy?
Sounds like the same issue as this:
http://productforums.google.com/forum/#!topic/gmail/L0rwZfE1exc
Best answer in that thread from Retailmessiah:
Might want to look closer at the encoding on the file attachment?