How do I check my mobile data bundle balance?

Want a faster way to check your data balance? Here goes;

MyMTN App

1. Download MyMTN App
2. Launch MyMTN app
3. Select Data on homepage 

Click here to download the MyMTN App

USSD

1. Dial *138#
2. Select 1 Proceed to buy bundle (No 4G bonus)
3. Select 99 for 'More'
4. Select 7 for 'More'
5. Select option 3 Check Bundle Balance