Let me know your and WiFi chip if you need a direct firmware link.
If the box does not connect to your PC:
To install firmware on an MXQ Pro 4K 5G TV box, you first need to identify its internal chipset—usually (e.g., S905W) or instalar firmware tv box mxq pro 4k 5g top
Best for: Updating the system without a computer or if the device is stuck in a boot loop but you can access recovery. Let me know your and WiFi chip if