Recent revisions of the DVRG608LN (Rev D and later) support remote firmware updates via Ethernet or cellular gateway. If your unit is older, consider replacing it with a newer version that allows over the air (OTA). The ROI comes from reduced technician travel costs and faster security patching.
A new firmware version (v2.1.4) is ready. dvrg608ln firmware update
Never attempt an update during a thunderstorm or if your local grid is unstable. If the power cuts during the flash process, you may "brick" the device. Recent revisions of the DVRG608LN (Rev D and
Rushing a can brick the controller. Follow this rigorous checklist. dvrg608ln firmware update