Why do I need an MP3 Mobile accessory? To use your device as a universal remote control you need an MP3 Mobile accessory that will communicate with your Tata Sky set-top box and other devices like your TV/ DVD and amplifier. I have an Apple and Android device, where do I get the MP3 Mobile accessory from? The MP3 Mobile accessories can be purchased for Rs 350 (inclusive of courier charges). Just SMS 'MOB' to 56633 from your Registered Mobile No. (RMN), and the MP3 Mobile accessory will be couriered to your registered address. The money will be charged to your Tata Sky account. You will need a minimum of Rs 350 in your Tata Sky account for the order to be processed. If you do not have a minimum balance of Rs 350 when placing the order, you will be requested to top up your account and re-send the order request. Once your Tata Sky account has been charged with Rs 350, Tata Sky will call you to verify your purchase. We will also verify where you have purchased the product as well as your shipping address. You will receive the device within 30 days. For detailed terms and conditions, click here. How do I use the MP3 Mobile Accessory? Buy the MP3 Mobile Accessory from Tata Sky. Plug the accessory into the audio jack of your phone (the audio jack is the socket in which the hands-free is attached). Ensure that the LED light is facing the ground when the device is plugged in. Hold the device at a 30-45 degree angle when using the accessory.