Google begs owners of crippled Chromecasts not to hit factory reset

Google’s 2nd‑generation Chromecast and Chromecast Audio experienced a widespread outage after a Google-owned intermediate certificate authority expired on March 9, 2025, triggering “untrusted device” errors and breaking casting in official apps. Google advised against factory resets, acknowledged the issue, and began a phased fix rollout; unofficial apps that ignore certificate expiry may still function, and a temporary date-change workaround exists but is unreliable.