No. eufy C210 Smart Lock should not be bricked if a firmware update fails due to either the WiFi network connection being disconnected during the firmware update or an unstable WiFi network connection.
 

When a new firmware update fails, the Smart Lock will simply revert back to its current firmware version and it will automatically attempt to update the firmware again at a later time.
 

If you have any further questions regarding eufy C210 Smart Lock, please contact <a href="https://support.eufylife.com/s/contact-us" style="text-decoration: none;" target="_blank">us</a> for assistance.

Will eufy C210 Smart Lock be bricked if firmware fails to update via OTA?

Ankersolix US

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