Then came Firmware version 5.2.6.
Go to and find your camera in the list. It must show as "Online". Navigate to System > System Maintenance . ezviz downgrade firmware
Technical Overview: Downgrading EZVIZ Device Firmware Downgrading EZVIZ firmware is generally not supported through official channels like the EZVIZ app. However, it remains a critical procedure for users encountering bugs in new updates, needing to restore compatibility with third-party software (like Blue Iris or Home Assistant), or recovering from a "soft-brick." 1. The Necessity of Downgrading Then came Firmware version 5