MyMTN app from MTN is offering FREE 500MB data to all customers, both old and new for chatting with friends, streaming videos, making video calls and even downloading all kinds of stuff you can imagine. This is an official data promo from MTN. Therefore, you don't need to have airtime on your account before you can get it done and it doesn't require IMEI tweaking. All you need is to download MyMTNApp.
The new Free Data Promo from MTN works on all MTN SIMs; the main thing that may prevent you from receiving the bonus is that if you have an active subscription, so for you to be eligible use the MTN Sim that doesn't have an active subscription.
The app that dug out the free megabytes (MyMTNApp) is just 15MB in size, so you still have up to 485MB to do petty things on the web.

How to Know Your Eligibility for this

Read more @
http://www.hoodexblog.com.ng/2018/08/get-500mb-mtn-free-data-via-mymtn-app.html?m=1