1. Download the file, and save to U-disk
2. Insert U-disk to the box
3. Power off, then boot and press the left button on the front of box till it is entering the updrading image
4. Don’t power off during upgrading
1. Download the file, and save to U-disk
2. Insert U-disk to the box
3. Power off, then boot and press the left button on the front of box till it is entering the updrading image
4. Don’t power off during upgrading