So, if you are wondering how to buy WhatsApp monthly bundle, the answer is to follow the same steps and then choose the monthly option. The amount will be deducted from your credit depending on the option you have chosen and the schedule. READ ALSO: Best MTN contracts 2019. How to unsubscribe from the MTN WhatsApp data subscription How do I subscribe to MTN Data bundles?You can subscribe to any MTN data bundles via the following channels: USSD: Dialling *131*1# or *904# and selecting your preferred data plan; SMS: Sending the bundle plan keyword to 131. (See table below for keywords). On Data Reset Page upon exhaustion of data bundle Now MTN offers internet bundle* at an affordable price of AFN 15 per hour. Get connects with your friends, family, and business with MTN internet everywhere you go. How it works? Getting connected is easy, simply subscribe to our hourly data bundles and get unrestricted data for one hour at AFN 15 only, valid for one hour.