No. Your DVR likely has updated firmware. Proceed to Method 1 (hardware reset).
Since the AHB-8204 HNN is a specific model, the most guaranteed method is to contact the supplier. Because there isn't a direct consumer-facing website for this specific model number (as it is likely an OEM code), you should look for the distributor's label on the top or bottom of the metal casing. dvr model ahb-8204 hnn super password
: The first place to look would be the official website or support pages of the DVR's manufacturer. They often provide documentation, including user manuals and FAQs that might cover password recovery and security features. dvr model ahb-8204 hnn super password