Navigate to Settings > System Info (or About Device ). Look for the "MCU Version" string. For PX3 units, you might see "MTCE" followed by a manufacturer code (e.g., GS, XRC, HA) and a version number.
The Rockchip PX3 is a dual-core Cortex-A7 SoC with an integrated MCU‑like real‑time core (typically an ARM Cortex‑M0 or M3 inside the same package, depending on the variant). Updates can apply to: rkpx3 mcu update
One of the strongest aspects of the Rockchip update ecosystem is the . Navigate to Settings > System Info (or About Device )