Recharge your MTN SIM card with ₦500 airtime.
After installing the MyMTN app from Google PlayStore, launch it.
Look at the bottom of your device and tap Bundle > Data Bundles > Daily > 2.5GB 2-Day Plan (₦500).
How to activate 2.5GB for ₦500 on MTN.
If you have the ₦500 airtime on your MTN SIM card, you should activate the data by simply following the steps provided above.
The data is valid for only 2-days. To check your data balance, simply dial ∗131∗4#.
NOTE: Its selective, but try first. No bad in trying.