Cutting power or using the wrong model file during a flash can permanently disable the camera hardware.
Format this card to FAT32 file system. Larger cards (64GB+) formatted to exFAT will not work for bootloader flashing. ezviz downgrade firmware free
If the camera is stuck in a boot loop and cannot be reached by EZVIZ Studio, you may need to use a TFTP (Trivial File Transfer Protocol) server. This tool "forces" the firmware onto the camera during the initial seconds of its boot-up sequence. You place the firmware file in the TFTP root folder, set your PC's IP address to a specific static range (usually 192.0.0.128), and power on the camera. The camera will automatically look for the server and pull the firmware. Final Considerations Cutting power or using the wrong model file
Newer firmware often blocks the ability to use cameras with third-party software like Home Assistant, Blue Iris, or standard DVRs. If the camera is stuck in a boot