Rkpx3 Mcu Update Online

A failed update can brick your MCU. Avoid that by gathering the right tools and information.

Connect to the MCU via serial terminal (115200 baud, 8N1) and send the command VER or AT+VER. The response will look like:
RKPX3_FW_v2.1.4-20240315 rkpx3 mcu update

Write this down. Then check the release notes for the latest available version. A failed update can brick your MCU

Implement code in U-Boot to check bootcount and pick the non-failed slot automatically.