Incorrect firmware can cause Wi-Fi to stop working if it doesn't match your specific Wi-Fi chip (e.g., ESP8089 or SV6051P).
4x USB 2.0, HDMI (up to 4K), Ethernet, and Wi-Fi. Why Update to Android 7.1.2? firmware tv box mx9 4k android 712 hot
with H.265/HEVC decoding. Users report that standard 4K video samples play smoothly, but streaming 4K content via apps can sometimes be limited by the hardware's processing power. : Running on Android 7.1.2 Nougat Incorrect firmware can cause Wi-Fi to stop working