My secondary nine set-top box is the receiver of Samsung digital network 668B. How can I upgrade? We can accept 5 sets now. Kaifeng, Henan.

Upgrade and replace PID and two sets of transponders. First of all, if you unscrew the plastic cover of the tuner in the opposite pot, you will find a V-shaped plastic inside, and pull it out. 2. Open the machine to enter the menu → System Settings → Password nine thousand nine hundred and ninety-nine → Automatic Search, and you will receive 16 or 12 units. 3. If it is not received, rotate the V-shaped plastic (polarizer) by 90 degrees before inserting it, and repeat (2). 4. If it cannot be received again, rotate the V-shaped plastic (polarizer) by 80 degrees before inserting, and repeat (2). If you haven't recovered after using the above, you have to buy a dual-polarization tuner with two needles in it. If you want to watch Channel 46, I can't teach you how to brush the computer, because there are many wives, you have to learn how to watch the chip and how to brush the computer. Need to learn to brush the machine, I tell you the forum and QQ group!