Svi is a Samsung Video file format for mobile mp3 player devices. It may be opened by Samsung Media Studio.
The Samsung device that you use probably provides a Cd that includes convenient player. It can be converted to avi file with proper software. If you have a Samsung Mp4 player (like Samsung T9), in this case you might have to convert your movies to a svi file.
You can find different converter softwares on internet.
What to use SVI
Samsung Media Studio
which page related to SVI file
SVI Related Searches
You can check related links about SVI fileextension.