Use a toothpick to located inside the AV port .
Rockchip or Allwinner USB drivers must be installed on your PC first. 🚀 Step-by-Step Flashing Guide firmware tv box mxq pro 4k 5g placa h3q44v30 better
Optimize the stability and speed of your device with the official stock firmware for the MXQ Pro 4K 5G featuring the H3Q44V30 mainboard . This firmware is specifically engineered for the H3Q44V30 architecture, ensuring full hardware compatibility and resolving common system errors. It restores your TV Box to optimal working condition, improving app performance and connectivity. Use a toothpick to located inside the AV port