Before attempting a downgrade, keep the following risks in mind:
For now, the downgrade path remains open – barely – for older hardware. Follow this guide precisely, accept the risks, and you may just restore your Ezviz camera to its former glory. ezviz downgrade firmware
For some consumer models (C6N, C1C), the official (Windows/Mac) allows firmware rollback if the option appears under Device Settings > Maintenance . If “Rollback” is greyed out, Ezviz has blocked it. Before attempting a downgrade, keep the following risks
By default, the option to manually flash firmware is hidden. To reveal it: Download and install EZVIZ Studio on your PC. Before attempting a downgrade
Since EZVIZ does not offer an official rollback, users have documented a "brute force" method using :