If the box boots cleanly but cannot find wireless networks, your specific H3Q44-V3.0 board may feature a alternate Wi-Fi chip revision. You will need to find a compatible variation of the firmware containing the proper Wi-Fi drivers.
Disclaimer: Flashing firmware carries inherent risk. The author assumes no liability for bricked devices, lost data, or damaged hardware. Proceed at your own risk. firmware tv box mxq pro 4k 5g placa h3q44-v3.0