Before diving into the firmware, we must address the hardware. If you own an MXQ Pro 4K 5G, you likely bought it expecting dual-band Wi-Fi. In 90% of budget MXQ units, the "5G" in the title is misleading marketing. These boxes usually run on older Allwinner H313 or low-end Rockchip RK3228A/RK3318 processors.

If it’s #2, I cannot provide direct download links to copyrighted firmware without permission from the manufacturer, nor can I promote “gratis fix” versions that bypass legitimate licensing.

If you cannot find the exact firmware, your box is likely a generic clone. In that case, search for “Ugoos AM7” or “TX3 Mini” firmware for the same chipset—but only as a last resort.

YouTube videos with short links (bit.ly, adf.ly) that ask for surveys. These are scams.

After flashing, you might need a USB mouse to navigate until you can remap the remote.