Ezviz Downgrade Firmware

Ezviz does not officially support downgrading. In fact, most modern Ezviz firmware versions include a security lock that prevents rollbacks. Attempting to force a downgrade carries the following risks:

Proceed with caution. If your camera is working acceptably, do not downgrade for minor annoyances.

Note: This works for most Ezviz cameras that use Hikvision's underlying protocol.

Step 1: Download the Old Firmware

Step 2: Install SADP Tool

Step 3: Put Camera in Maintenance Mode

Step 4: Flash via SADP

Step 5: Verify

If you have an identical camera running the older firmware, you may be able to extract the firmware file using inspection tools (advanced users only).