You're looking for a guide on downgrading the firmware of your EZVIZ device to a previous version, and you're interested in free solutions. I'll provide you with a helpful guide, but please note that downgrading firmware can have potential risks and limitations.
To downgrade EZVIZ firmware for free, you must use the desktop software and enable its hidden Advanced Mode . This process allows you to manually "upgrade" the camera with an older firmware version ( .dav file). Prerequisites ezviz downgrade firmware free
Some newer EZVIZ cameras allow you to toggle certain features on or off without needing a full firmware downgrade. If this option is available, it is much safer than flashing old software. You're looking for a guide on downgrading the
Download the Batch Config Tool or SADP Tool . Since EZVIZ is a sub-brand of Hikvision, these professional utilities often work for both. After flashing, confirm device boots, streams video, retains
Downgrading is by EZVIZ, but it is possible for many models — completely free — using a simple SD card method.
Downgrading EZVIZ firmware for free is a popular community-driven workaround used to regain features—like or ONVIF support—that are often disabled in newer official updates . While EZVIZ officially states that no downgrade methods are provided for security reasons, users have successfully used EZVIZ Studio and external firmware files to revert their devices. 🛠️ The Downgrade Process: How It Works