This is a valuable resource for EZVIZ and Hikvision camera users. Many threads discuss downgrading, firmware archives, and troubleshooting steps.
: By default, EZVIZ Studio hides advanced options. To enable them: Go to the EZVIZ Studio installation folder (usually under C:\Program Files (x86)\Ezviz Studio folder and edit the AppConfig.ini [AdvSettings] section and save the file. Access Advanced Menu : Restart EZVIZ Studio. You should now see an button under your online devices. for the specific camera and enter the Verification Code Select Firmware Navigate to Maintenance Look for the Remote Upgrade section and click the three dots ( ) or the file icon to browse your computer. Select your downloaded older firmware file and click Execute Downgrade : Click the (or Downgrade) button to begin the process. Do not power off the camera during this time. Factory Reset
Official policy from EZVIZ Support states that firmware downgrades are not supported
There are a few common situations that drive users to seek a downgrade. Understanding these will help you determine if this path is right for you. ezviz downgrade firmware free
Newer firmware often blocks the ability to use cameras with third-party software like Home Assistant, Blue Iris, or standard DVRs.
I can provide tailored steps to get your device working again.
Navigate to the installation directory (usually C:\Program Files (x86)\Ezviz Studio ). This is a valuable resource for EZVIZ and
Unplug your internet router for 60 seconds, then plug it back in.
A Windows PC connected to the same local network as the camera.
The firmware file name usually contains the version number (e.g., V5.2.0 ). Ensure the version you are installing is older than the one currently running on the device. To enable them: Go to the EZVIZ Studio
: Restart EZVIZ Studio. You should now see an Advanced button under your devices. 3. Sourcing the Firmware File (.dav)
This is the most common manual method for older models like the EZVIZ C6N, C3W, or Mini O. It forces the camera's bootloader to read a specific firmware file directly upon startup. What You Need:
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