: Check the sticker on the bottom of the DVR for the full model name, such as AFX HVR 0801 .

: Ensure your search for the "16MB" version matches your hardware, as these DVRs often use generic boards (like those from Dahua or XMeye ) that come in different flash sizes. Step 2: Download the Firmware

To download and install the firmware for the , you must first identify the exact hardware revision of your DVR, as applying the wrong firmware can permanently damage the device. Step 1: Identify Your Hardware

Generic DVR brands like AFX often use shared firmware portals.

Before downloading any files, verify that your DVR is specifically the 16MB flash memory variant.