Why does my Chromecast only stream in 480p when my internet is much faster? - Super User
Google updates latest Chromecast with more HDR controls and improved Wi-Fi performance - The Verge
Chromecast video quality
Chromecast Ambient Mode quality lowered to save data - 9to5Google
Cellcom - Stream up to 4K Ultra HD & HDR picture quality over your WiFi network with Chromecast Ultra, a streaming device that plugs into your TV's HDMI port. Chromecast Ultra provides
How to change Chromecast resolution settings - GChromecast Hub
Top 5 Best Alternatives For Google Chromecast [High-Quality]
Google unveils the 2nd generation Chromecast w/ better WiFi, Feeds, Fast Play, more - 9to5Google