The video quality on the computer/web or mobile device is up to 1080p, while on TV it is 4K if you have a premium subscription and your TV supports 4K.
To adjust the video quality settings, you will have to go to settings > playback settings and choose between the below options:
Mobile/Webplayer
- Data saver - Up to 540p
- Standard - Up to 720p
- Best - Up to 1080p (Premium plan)
Tv
- Data saver - Up to 540p
- Standard - Up to 1080p
- Best - Up to 4K (Premium plan)