In recent developments, users of Google’s Chromecast (2nd generation) and Chromecast Audio devices have encountered an “Untrusted device” error, rendering them unable to cast content. This issue has raised concerns about the continued functionality and support for these older devices.
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Emergence of the ‘Untrusted Device’ Error

Source: Reddit user matthijspc
Beginning on March 9, 2025, reports surfaced indicating that Chromecast (2nd gen) and Chromecast Audio users were receiving an error message stating, “Untrusted device: [name] couldn’t be verified. This could be caused by outdated device firmware.”
This notification appears when attempting to cast from applications such as YouTube, preventing users from streaming content through these devices. Notably, newer Chromecast models, including the 3rd generation and Ultra, have not been affected by this issue.
Google’s Response and Troubleshooting Guidance

Google promptly acknowledged the problem, stating they are “aware of an issue with Chromecast v2 and Chromecast Audio devices” and are actively working on a resolution.
Users experiencing this error are advised against performing a factory reset, as this action may lead to additional complications, including difficulties in reconfiguring the device. Google has assured users that they have identified the root cause and are diligently working to implement a fix.
Implications for Affected Users
The sudden emergence of the “Untrusted device” error has disrupted the media consumption routines of users relying on these older Chromecast models.
While Google has not officially declared these devices obsolete, the current issue underscores the challenges associated with maintaining functionality in aging hardware. Users are encouraged to await further updates from Google regarding the resolution of this problem.
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FAQ – Frequently Asked Questions
What is the ‘Untrusted device’ error on Chromecast (2nd gen) and Chromecast Audio?
Users are encountering an error message indicating that the device couldn’t be verified, possibly due to outdated firmware, which prevents casting functionality.
Are newer Chromecast models affected by this issue?
No, the issue appears to be isolated to the Chromecast (2nd gen) and Chromecast Audio models; newer versions like the 3rd gen and Ultra are functioning normally.
Should I perform a factory reset to fix the error?
No, Google advises against performing a factory reset, as it may lead to further complications, including difficulties in reconfiguring the device.
Has Google provided a timeline for the fix?
Google has acknowledged the issue and stated that they are working on a fix but has not provided a specific timeline for resolution.
Are there any temporary workarounds available?
Currently, no effective workarounds have been identified. Users are advised to await official updates from Google.