Stop Airtel Bangladesh Promotional SMS
Many of you are victim of airtel Bangladesh's promotional sms! 3-5 per day, it's really disgusting and annoying! Here is the simple solution.
Just Dial *121*9# which will open a service menu.
Then answer the first one that means 1
You are done! On the returning sms will get confirmation that "Your bulk SMS suspend service will be effective within next 7days. You will not receive any promotional or services related SMS"