Step by Step guide: How to convert flv to 3GP with this super flv to 3GP converter
Step 1: Free download FLV to 3GP Converter and launch it.
(Note: This software is infact cucusoft youtube mate, for better explaination, I renamed it to FLV to 3GP converter)
Step 2: Launch the FLV to 3GP Converter and the interface is as follows:

Step 3: Click
button to input FLV file(s), Click to add FLV file(s) to the program from folder.You can also open the import file dialog box by double-clicking the blank field of the file list, you may face a dialog box to select a folder, and then FLV files will show up on the file list. Select a file on the file list to preview the file and decide the files to be converted. Then check the files you want to convert and click "OK" button.
Step 4: under Profile option, Choose: "3GPP- 3rd Generation Partnership Project (.3gp) " you want to convert to...
Then click the folder button, select the destination folder you want the converted 3GP to store.

Step 5: Click
button.
Then the Converting FLV to 3GP process shall be looked like this

After successful converting FLV to 3GP, the file shall be stored on the folder you have previously selected.
With this powerful FLV to 3GP converter, not only converting FLV to 3GP/3GPP . you can also convert FLV to almost all popular video formats. Just Free download and enjoy it.