Chromecast Gen 1 Cannot Broadcast nor Cannot be Re-added to Home
Everything was working yesterday. Then, when I try to cast a YouTube video to the Chromecast, it goes black, the app on my phone says that it is "Connecting", but after a while, the mobile app returns to normal and the chromecast goes back to showing the picture background. Nothing is played, and it goes back to as if I did nothing at all.
I tried rebooting. Didn't fix the issue. I tried factory resetting, and I manage to set up a connection to Wi-Fi for the Chromecast, but my iPhone cannot find the device to add it to Google Home even though the YouTube app can see it as a Chromecast device, and I used the iPhone to connect the Chromecast to my Wi-Fi.
How do I fix my issue?