Install and launch the 3GP Repair Tool. Then click on the “recover photo, audio & video”option.
Select the lost file which is to be recovered
Select the specific file format from the advanced setting and then click on the “scan now” option.
you can even select specific region i.e. starting and ending sector
The 3GP Repair Tool will detect all the media files which can be easily seen during the scanning process.
All the detected files will get display on the screen
The view of the files can also be change so that it is clearly visible.
At last, click on the Recover option after selecting the files.