My old Galaxy TabS3 will no longer chromecast via a Generation 2 dongle to my TV. But my Galaxy S21 Ultra phone will. (As will my iPhone.)
This problem just cropped up about two weeks ago,
I've gone through all the suggested troubleshooting: factory resets of the dongle, deleting and re-installing the Google Home app, restarting devices, etc,
The fact that it works with my Galaxy phone and not my tablet indicates the tablet's at fault. I suspect it's because the tablet has an old operating system. It's Android 9, but the system was last updated in 2020, and when now trying to update the system, I get a "system is "up to date" message.
When I try to cast, I get the "circle screen". (See the attached screenshot.) It shows the circle at 100%, but it's for volume. It also says "casting ended". When I hit the cast button again, the same error occurs; it loops.
Any help on this would be greatly appreciated.
