If anyone knows about this, please help. I am using my phone's WiFi hotspot to connect my chromecast. I have never had a problem like this in the past. My old phone was a t-mobile LG Stylo 2 plus. My "new" phone is a T-Mobile LG Stylo 4. Whenever I connect my phone to the chromecast, the app I'm using closes after a few minutes and the notification in the shader is removed, but the chromecast keeps streaming. This happens regardless of the app I'm using. (Hulu, Netflix, YouTube, YouTube TV) They all either close or if I close them myself and after a few minutes the notification is gone. Again the chromecast itself keeps streaming. Now with the Google Home app, that will close and the chromecast loses it's connection and streaming is stopped. All this happens within 3-10 minutes.
If anyone has a cure please help.