You cannot guess your hardware configuration. Open your TV box casing by unscrewing the base pads or checking under the device to identify the processor (SoC) printed directly on the green circuit board.
Once Android 7.1.2 boots:
: Select "apply update from EXT" if prompted. The device will automatically restart once the process is complete. i--- Mxq Pro 4k Firmware 7.1 2 Download Sd Card