Firmware 1509-dvbt2-512m

The firmware is designed for hardware with the following typical profile: Sunplus 1509c or 1509m. Memory: 512Mb DDR RAM.

If video works but audio is silent on certain channels (like Mediaset or La7), try changing the digital audio output setting from HDMI PCM to HDMI RAW in the audio menu. firmware 1509-dvbt2-512m