Look for the upgrade/maintenance option that allows you to browse for a local file. Select the .dav file you downloaded in Step 1.
Create a folder in the root directory of the card named exactly what your specific camera model requires (usually just placing the file in the root directory works, but some models require a folder named hik_update ).
Download and install the official or the SADP Tool from the official Hikvision website. These tools are completely free to use. Step 3: Locate the Camera IP
Older firmware lacks recent security patches, potentially exposing your camera feed to local or remote network exploits. ezviz downgrade firmware free
Note: The default username is usually admin . The default password is the printed on the physical sticker of your camera (found near the QR code). Click Upgrade to send the file across the network.
This method is widely recommended and has been successfully used, for instance, to restore RTSP functionality to the EZVIZ DB1 doorbell.
You'll need a Windows PC connected to the same local network (LAN) as your EZVIZ camera. A stable network connection is essential during the firmware update process. Look for the upgrade/maintenance option that allows you
Remember: Only downgrade one version step (e.g., 5.2.9 → 5.2.8). Jumping from 5.3.0 back to 4.0.0 will almost certainly brick your device.
Some users succeed using (more technical):
(for Windows) rather than the mobile app. This is often done to make newer cameras compatible with Hikvision or HiLook DVRs. Requirements A Windows PC with EZVIZ Studio installed. The specific firmware file (.dav or similar) Download and install the official or the SADP
Right-click the drive, select , choose FAT32 , and click start.
Newer firmware versions often restrict local MicroSD card playback or disable local RTSP streams to nudge users toward paid EZVIZ CloudPlay subscriptions.