Mtn New Special Offer
Mtn Nigeria introduce a new tarrif XtraPro which allows you to call all networks at the rate of 11k/s which is also #6.6 per minutes
It involves the access fee of 5 naira daily, which means 5 naira will be deducted from you account daily. see screenshot below.
How to migrate to Mtn XtraPro
Dial *401# to migrate.