You can download the update directly on your Nokia Lumia device through the Windows Phone Store or by using the link which follows:
Press the Search button on your Lumia phone, tap Vision and then scan the following barcode by pointing your device camera toward it
The Nokia TV update has the following new features and improvements:
Features:
- Browse listings of locally available TV services in one place
- Search across all available services in one go
- Select to start playing immediately
- Easier search experience with search suggestions
- Enhanced listing of featured episodes
- Reduced power consumption
- Follow shows by adding them to your favorites
- See notifications of new episodes of your favorite shows
- Keep track of what you have watched
You can browse listing of locally available TV services in one place while searching across available services in one go.
Currently it seems like the Nokia TV service is only available to users in Finland.