Mbox Meson Ref [upd] -

Users running custom software like CoreELEC can change this value by modifying the device tree (dtb.img) using specific commands (e.g., fdtput ) to override the product_desc field.

The message often pops up alongside resolution info (e.g., Mbox meson ref - 3840x2160@50Hz ) whenever the box changes its output resolution or refreshes its signal. mbox meson ref

The name given to the kernel and device tree structure for Amlogic's multimedia processors. Users running custom software like CoreELEC can change

In some cases, poor-quality HDMI cables can cause the TV to "lose" and "refind" the box repeatedly, causing the label to pop up constantly. Replacing the cable can stabilize the connection. Summary Table Mbox Generic term for a digital media/streaming box. Meson The processor architecture family from Amlogic. Ref Default hardware reference used in the device firmware. Change the HDMI "label" - CoreELEC Forums In some cases, poor-quality HDMI cables can cause

Your TV is attempting to identify the connected device. Because many generic Android boxes use "Mbox Meson Ref" as their default product description in the firmware, the TV simply displays that internal label.