You must enable the hidden "Advanced Settings" menu. Here's how:
: You must match the model number (e.g., CS-C6N) and the hardware version exactly. Using the wrong file will brick the device.
New firmware can sometimes cause frequent disconnections, failure to pair with 2.4GHz/5GHz Wi-Fi networks, or lag in the live stream.
A: This is the hardest part. You cannot find them on the official EZVIZ website. Your main source will be user forums like IP Cam Talk or Reddit. Sometimes, users or third-party sites provide archives of firmware files. You can also try contacting EZVIZ technical support and requesting the specific version you need. ezviz downgrade firmware
Understanding why downgrading is sometimes necessary will help you determine if this risky procedure is the right path for you.
Use a high-quality, high-endurance MicroSD card (16GB or 32GB is ideal). It must be formatted to the FAT32 file system.
Open your PC’s network adapter settings and assign a static IP address to your computer: 192.168.1.128 Subnet Mask: 255.255.255.0 Gateway: Leave blank or use 192.168.1.1 Step 2: Run the TFTP Server You must enable the hidden "Advanced Settings" menu
If the light stays solid red and the camera does not move or respond, the firmware flash likely failed or corrupted. Try formatting the SD card, re-downloading the file, and performing the MicroSD hard-reset method again.
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.
Because EZVIZ does not host an archive of older software versions on their mainstream site, you have to look into trusted alternative sources: Your main source will be user forums like
Modifying device firmware using unofficial or manual methods typically voids your manufacturer warranty.
BatchConfigTool is a more powerful utility (often used with Hikvision devices) that is popular in community forums for downgrading EZVIZ cameras. It is particularly known for being effective on doorbell models like the EZVIZ DB1, where the manufacturer has intentionally disabled advanced network features.
Download the official from a reputable surveillance forum or archive. Extract the tool into a folder on your PC.