If you are running an open-source OS distribution like CoreELEC on your device, you can alter the identifier string permanently at the operating system level by updating the Device Tree image binary ( dtb.img ).
The player was simply reporting its raw hardware ID because the manufacturer hadn't bothered to give it a user-friendly name in the internal Kernel/Device Tree code.
Short for "Reference," indicating the default hardware identifier or "Vendor Data Struct" assigned during the manufacturing or firmware development process. Why Does it Appear on Your TV? mbox meson ref
fdtput -t s /flash/dtb.img /amhdmitx/vend_data product_desc "YourCustomName" Use code with caution. Verify the change was successfully written: fdtget -t s /flash/dtb.img /amhdmitx/vend_data product_desc Use code with caution.
While it looks like a cryptic developer error, It surfaces on your TV or receiver through a communication protocol called HDMI-CEC (Consumer Electronics Control). If you are running an open-source OS distribution
Reboot your device to broadcast the updated HDMI identifier string: reboot Use code with caution. Technical Context: The Amlogic Driver Tree Change the HDMI "label" - CoreELEC Forums
The text is a generic hardware identifier that often appears on a TV or Audio/Video Receiver (AVR) when it detects a media box or streaming device via HDMI. It identifies the hardware's internal chipset and reference design rather than the brand name. Breakdown of the Label Mbox : Short for "Media Box" or "Android Box". Why Does it Appear on Your TV
Modify src/meson.build :