Installed Sub-Device APK on the Sub Device (the second/third device). 2. Bind Sub-Device to Master Device(the first device) by inputting subscription code(xxxxxxxxxxc) whichever been used on Master Device. 3. Fill in Sub-Device Code(exxxxxxxxxxuc) to the 2nd/3rd/4th Devices, after Sub-Device code has been recharged, can watch Live Channels & VOD directly.