Drop the brand name and the firmware version you used in the comments to help others!
Use this method if the device is not connected to the internet [DahuaWiki]. xvr1b04hi firmware
(Note: I can’t fetch firmware files directly, but I can help locate vendor support pages.) Drop the brand name and the firmware version
The is a 4-channel penta-brid digital video recorder from the Cooper-I series, known for featuring SMD Plus (Smart Motion Detection) and AI Coding to improve storage efficiency. Firmware Download Sources xvr1b04hi firmware