If you plan on buying an mtn sim mainly for internet purpose, you might want to learn how to check your data balance now or if you’re already an mtn subscriber, you’re also not exempted. how to check your mtn data balance. there are 3 methods for checking your data balance on your mtn sim, which are: direct ussd code; via sms; 131 ussd menu. How to check mtn bis expiry date. text status to ‘’ 21600 ’’ to check expiry date of mtn blackberry
