Recover Sms On Nokia N70 How Can I Recover Deleted Sms From Nokia N70 & N73?

How can i recover deleted sms from Nokia N70 & N73? - recover sms on nokia n70

I deleted my important sms N70 and N73 accident. I have to go at any price. Please help me. Here are the facts .....
1 - SMS messages are in memory of the phone.
2 - I have almost all the file browser, but it showed that the SMS was only available in the inbox. Not even a text message only in the electronic file is deleted.
3 - I order a File Explorer and copy the data on drives C and D of the memory card.
4 - Use Windows Explorer still can not see deleted message folder in the e-mail.
Please help me in this case. Thanks in advance