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