There is no recycle bin so you are talking about a data recovery specialist with specialist equipment to attempt recovery with no guarantee of success.
Oh well then, as long as it hasnt been overwritten, you have a good chance of recovering file using file recovery utilities. The one I used before is I think called recuva. Google file recovery and you should find a choice.
If you have not writen any data into you nokia mobile phone ,you can use some mobile phone data recovery software to get your data back!