The most reliable method involves using the software on a Windows PC. 1. Enable "Advanced Settings" in EZVIZ Studio
| Symptom | Likely cause | Fix | |--------|-------------|-----| | No response after power-on | Wrong firmware file | Recover via TFTP (Method C) | | “Upgrade failed” in Batch Tool | Firmware version not older (same or newer) | Find an earlier build | | Flashing orange LED forever | SD card not FAT32 or wrong filename | Reformatted as FAT32, use exact naming | | Camera offline after downgrade | Network settings reset | Reconfigure WiFi via app (hold reset to enable AP mode) | ezviz downgrade firmware
Downgrading firmware carries inherent risks. Because manufacturers design devices to move forward in software versions, forcing an older version can cause serious issues if done incorrectly. 1. The Risk of "Bricking" Your Device The most reliable method involves using the software
Open the application and log in with your EZVIZ account. Enable Advanced Settings: Click on the gear icon (Settings) in the top right corner. Because manufacturers design devices to move forward in
Official EZVIZ policy for security reasons once an update is installed . However, technical communities and security researchers have documented unofficial methods, primarily to restore features like RTSP that were disabled in newer versions. Core Downgrade Method (Unofficial)
Open the tool to scan your network. Your Ezviz camera should appear in the device list. Take note of its local IP address (e.g., 192.168.1.50 ). Step 3: Upload the Firmware Open the Batch Configuration Tool and log into your camera.