If any feature fails, you likely used firmware with a mismatched Wi-Fi or IR driver. Immediately flash a different variant.
Do not use generic file-sharing sites. Verified sources include: firmware tv box mx9 4k android 712 verified
A "bricked" (non-functional) device can often be recovered, but it requires the exact, correct stock firmware for your PCB model. The process generally involves using the "Mask ROM Mode" in the Rockchip tool by shorting pins on the NAND memory chip. If any feature fails, you likely used firmware
: Ensures your Windows PC recognizes the TV box in flashing mode. If any feature fails
: Change the USB port on your PC (use USB 2.0 instead of USB 3.0). Ensure you are holding down the recovery button firmly while inserting the cable. Try using a shorter USB male-to-male cable.