Ezviz Downgrade Firmware [upd]

A poorly optimized firmware update can cause cameras to constantly disconnect from the Wi-Fi network, fail to load the live view, or lag significantly.

: Obtaining older .dav files is difficult, as EZVIZ does not host a public archive. Users often find direct download links through specialized forums like IP Cam Talk .

Go to and find your camera in the list. It must show as "Online". Navigate to System > System Maintenance .

Downgrading firmware is not a standard user operation and carries significant risks. EZVIZ does not officially support rolling back firmware via their mobile app, meaning you must use manual workarounds. ezviz downgrade firmware

What is the exact and hardware version of your EZVIZ camera?

Cutting power during a flash or using the wrong file will break the camera.

Most users update their camera firmware to get the latest security patches and features. However, official updates can occasionally introduce bugs or remove functionalities that users rely on. Here are the most common reasons homeowners choose to downgrade their EZVIZ firmware: A poorly optimized firmware update can cause cameras

The camera will typically flash a specific color pattern (often solid red or alternating blue/red) indicating it is reading the file and flashing the storage.

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Rename your downloaded firmware file exactly to digicap.dav (if it isn't named that already). Go to and find your camera in the list

Insert your MicroSD card into a computer. Format it to FAT32 . Ensure it is completely empty.

You will need a high-quality MicroSD card (16GB to 32GB is ideal). Format it to the FAT32 file system on your computer before copying any firmware files to it.

you need to downgrade (e.g., NVR compatibility or ONVIF issues) Downgrading an EZViz CS-CV216-A0-31EFR IP Camera -