When you receive your Superbox S3 Pro, there are a few steps that you can program your remote control and pair with your TV.
Step 1: Press the "OK" and "synchronously for 8 seconds until LED flashes to enter pairing state.
Tip: The remote control should be paired as the above two steps, and the pairing process takes about 15s. If pairing is failed:
1. please check if the remote control is too far away from the TV box;
2. or check if there is a problem with the battery or the remote control itself;
3. or please go to the "Bluetooth" of the System Settings to select RC-100 for pairing.
Step 2: Press the "OK" key.
For more detail Please check this video: