: Visit the manufacturer's support page to find the specific firmware for the DEXP 9879P

: Download the compressed file (e.g., DEXP_9879P_firmware.rar ). Use a utility like WinRAR or 7-Zip to extract the .bin or .img firmware file.

Select and choose the firmware file on your drive.

To download and update firmware for a DEXP set-top box (STB) like the DEXP 9879P

: Ensure the firmware version exactly matches your hardware revision; using the wrong file can "brick" the device.