Hi u need to change the date and time manually to the date before it
stopped working for all of us like January 1 and then try connecting to
the device.. then the chromecast will download it's updates..one it does
turn back the day and time to automa...
I fixed mine after factory reset .. I manually changed the date and time
on my phone to a day before this update like march 1 and set it up ..
wait till the chromecast download it's update and then change the day
back to current date and time ....it ...