As an MTN Pre-paid or contract customers; you can convert your MTN airtime to data if you need data to surf the internet to avoid high rate of charge on browse as you go. If you know how much data bundle you need, and the amount you want spend then you are good to go. To convert your MTN airtime to data, do the following on your mobile device.
Dial *131# on your phone and follow the prompts.
Select Buy data plans (option 1) – this is the data option.
Select daily, weekly, monthly, 2 months or 3 months plan (options 1, 2, 3, 4, or 5) – depending on data amount you wish to purchase.
Enter 1 (to confirm or proceed) – this confirms your data purchase.
MTN data plans with subscription or activation with new rates effective as from October 7, 2017.