The Mtn 4g LTE network was initially made available to only Visafone users who have migrated their Visafone sim to the Mtn network. But now the service is now available for all which means that both the Visafone and Mtn users can now enjoy the Mtn 4g LTE service.

But before you can enjoy this service you need a compatible sim card and also a 4g enabled sim card. The good thing is that Mtn has made it very easy for its customers to check if their smartphone is compatible or not.

How To Check If Your Smartphone Is Compatible With The Mtn 4G LTE Network
=> Insert your Mtn sim card into the smartphone and text 4g to 131.
=> If your smartphone is compatible you will receive the message

Yello! Your device is 4G ready but you need to upgrade your SIM to enjoy MTN 4G LTE. Please visit the nearest MTN store or partner retailer for a sim swap now.

=> But if you smartphone is not compatible, you will receive the message

Yello! You need to upgrade your SIM card and device to enjoy MTN 4G LTE. Please visit the nearest MTN store or partner retailer to upgrade now.

=> If your smartphone is compatible, then visit any nearest Mtn service center to swap your old sim with a 4g enabled sim card.

How To Subscribe
To subscribe, dial *131# and select from the list of available data plans or red more by clicking on this LINK.

Source: http://www.yomitech.com/2016/10/how-to-activate-mtn-4g-lte-and-also.html