The is a generic 8-channel hybrid HD digital video recorder (DVR) often used for AHD, TVI, CVI, and IP camera systems. Updating the firmware on this device is essential for patching security vulnerabilities, fixing software bugs, and adding support for newer high-resolution cameras. How to Perform a DVR-G608L-N Firmware Update
If supported, some devices allow a "Cloud Update" directly from the or System menu when connected to the internet. dvr-g608l-n firmware update