Hello, guys! Glad to share CX-S806 TV BOX latest firmware. As we know, there are 3 versions for this model, each distinguished by its build number: 201504101650; 201503110901;201503111146. Therefore, please check out the Build Number of your device before downloading the corresponding firmware:

Download link:

Firmware for 201504101650 version

Firmware for 201503110901 version

Firmware for 201503111146 version

Flash tool:  USB_Burning_Tool_v2.0.1_x86

Flash method:

1, Open the “USB Burning Tool.exe”
2, Select “File”-”Import image” to load burning image package
3, Select burning configuration, then click “Start”
4, Before close the tool, you need to pull out devices the click “Stop”