From the spend Portfolio nav click on airtime
Click on any of the network providers of your choice
Enter the recipient's number or choose a contact from your device, and then click continue
Select the preferred asset e.g BTC
Input the amount to be purchased in NGN and you will see the equivalent in any of the selected assets, click on the continue button
Enter your 4-digit passcode for security reasons
Click on the confirm purchase button
Once payment is confirmed you will see a pop-up message that shows “ Your MTN purchase was successfully completed”.