How to unsubscribe your CMT (Caller Ring Tone)

I subscribed the CMT several months before and found out, it's eating up my credit especially when I need them (my credit) the most. Here I would like to share how to unsubscribe your CMT. It is super easy.

1.  Dial *118#. 
2. A Menu will be displayed. Choose Answer/OK to reply. 
3. Type '2. ChannelX' and send.
4. Type '4. CMT' and send.
5. Type '7. Unsubscribe' and send.
6. You need to confirm by sending '1. Yes'.

You will receive an acknowledgement sms saying that you have successfully unsubscribe your CMT service.