If the box still boots, go to Settings > About and note the Build Number and Kernel Version .
: You need a USB cable with two "male" ends to connect the TV box directly to your computer. mxq pro 4k firmware update via usb
You need three things:
Open the box by removing the four screws on the bottom. Look for a code printed on the green motherboard (e.g., R329Q_V2.0 or P201 ). If the box still boots, go to Settings