Updating firmware on these devices is high-risk; using the wrong file can "brick" the device (render it permanently unusable).
The is a legacy firmware version released around 2011 for Linux-based digital video recorders (DVRs). It is often found on older, budget-friendly security devices using Hisilicon SoC hardware. Key Features and Compatibility H.264 Dvr Firmware V2.62.r07 Download UPD